Imagine you are the advisor to the Secretary General of OPEC. You are Essay

Imagine you are the advisor to the Secretary General of OPEC. You are asked to assess the ability of OPEC to manage the price of - Essay Example These members supply around 40% of the world’s oil (USA Congressional Record, 2007). Law of Supply and Demand (Mankiw, 2008) OPEC’s economic goal is to control production in order to raise the price of oil and eventually increase the generation of its members’ substantial profit. In a free market, the supply and demand tend to push the price at the level in which quantity supplied and quantity demanded are equal (Baumol and Blinder, 2008). Based on this law, it can be pictured out that when the supply of a normal good is low but its demand is higher, it substantially results to price increase. Thus, OPEC is on the right track of controlling production in order to maximise the oil resources of its members. In fact, it has a significant power to control the entire market considering that 70% of world oil reserve belongs to the cartel. Furthermore, OPEC targets to supply only 40% of the world’s oil consumption. This means that it has created influence on the world’s oil supply provided that the demand is higher and even reaching to an upward spiral due to rising economies. Oil is the lifeblood of the modern economy (Navarro, 2008). This means that every economy, developing or even highly developed will tend to maximise resources and even operations, but this cannot be addressed efficiently without relying heavily on oil supply. For instance, oil has become the very reason for every business to operate. From production, down to transportation and inside every household, oil is gaining a wide range of importance, function and economic role. Thus, oil is considered as a normal good and becomes the basic commodity in the world. Oil therefore has created a specific level of demand depending on a certain economy’s requirements in order to sustain and enhance its development and growth. However, from 1972 to 2008, it is noted that OPEC has been ineffective at maintaining cooperation among its members due to issues concerning rest riction of production (Mankiw, 2008). Mankiw explained that members were tempted to cheat their productions just to gain more profit advantage. As a result to this, the increase of oil price was never been successful on restricting production, but because of the increase in demand of worldwide consumption. As shown in Table 1, the price of oil per barrel increases over time. However, this increase was pointed out as barely influenced by OPEC’s success in restricting its production, but due to increase in market demand for the said commodity (Mankiw, 2008). In the mid-1980s OPEC members were having misunderstanding regarding on the regulatory issues of production. As a result, the production increased beyond the controllable limit as specified by OPEC. As the production of oil in the world market increased, there was more supply available leading to the decrease in price. Such decrease in price was clearly due to availability of supply, but what seems to be obvious was the des ire of some OPEC members to gain productive output from their oil resource. In 2007 to 2008, the price of oil substantially was higher. However, it was due to the increase of demand in the world oil market as there was an increasing number of emerging economies such as China (Mankiw, 2008). Table 1. History of oil price as influenced by OPEC regulation of production (Mankiw, 2008) Year Price per barrel 1972 $3 1974 $11 1981 $35 1986 $13 Income and substitution effect The positive income effect states that when the price of normal good decreases it leads to

Spring 2012 WOU Dance Concert Essay Example for Free

Spring 2012 WOU Dance Concert Essay Attending the Spring Dance concert was a fun learning experience. I am glad that this was a required assignment for this dance class because if it was not required I am sure I would not have attended . The variety of dances have taught me different things, and one of them is that you do not have to do complex moves in order to dance. The dance I have decided to write about is Voicing Acceptance choreographed my Nancy Sorensen. There are many reasons why I have chosen to do my paper on this specific dance. I will discuss how the sound or movement, lighting,movement and females/males contribute to the overall success of the dance piece. First, I will discuss the message of the dance piece and how the sound/music contribute to the achievement of dance piece . The dance was about students expressing their feelings towards dance. Each of them did a recording of them speaking and that recording was played at the While the recording was playing the student was dancing. I like the sound and music because it supported the dance. The dance just as the music and sound was soft and emotional. The students were really good at expressing the music and what they feel with facial expressions. For example some of them were smiling and some were serious. The dance piece supports the title because hey are voicing their personal opinion on why they are attracted to dance.As the sound was playindg there was a pattern I saw which was that every student would dance as their recording was playing. The lighting on stage made this dance piece be even better. The lighting during the dance was great. When everyone was dancing the light was constant. But, when a particular student was dancing they would use a spot light on him or her. I really liked the idea of putting a spot light on each student when their recording was playing, because we as the could identify the student. While the student was dancing the lights were pointed towards him/her. Their dancing was both imaginative and communicative. I think that it was imaginative because you hadhave to imagine what each movement was about, while at the same time was communicative, because they were telling the audience what they felt and they were also communicating through body language. For example, when a student was dancing he used his arms and it went well with the sound and music. The movement of their hands was soft and it was slow just like the music. The idea of incorporating females and males into the dance helped this dance piece be great. In the recording a student said that many people stereotype dance. They said that dance is only for females, but Voicing Acceptance proved that this is wrong, anyone can dance. Having females and males gave the dancers the opportunity to have a partner and together they were able to express what they felt. In conclusion, definitively my favorite dance was voicing acceptance by Nancy Sorensen. throughtout my paper I have explained why I think how the sound or movement, lighting,movement and females/males contribute to the overall success of the dance piece. Overall the dance concert was great. I got the opportunity to enjoy different types of dances. This dance made me really emotional. I loved the way each student expressed themselves; I was almost going to cry. I believe that one of the purposes of this dance was to get in the audiences heart and it really did.

The Monkey’s Paw by W. W. Jacobs, The Clubfooted Grocer by Sir Arthur E

The Monkey’s Paw by W. W. Jacobs, The Clubfooted Grocer by Sir Arthur Canon Doyle, The Red Room by H. G. Wells and The Signalman by Charles Dickens Analyse how the writers successfully use aspects of the supernatural to create dramatic tension in the short stories you have read. The nineteenth century was an era of general belief in ghosts and spirituality. This is what made gothic stories even more appealing and successful during this era – the fact that they would be seen as being realistic. One major reason for the rise in spirituality during this era was the fact that many people had started to lose their Christian faith (mainly because the Church was unable to give an explanation as to why ghosts existed) and so they started to search for a new way of understanding and accepting death. I think that the Victorian’s enjoyed reading horror stories because they offer a challenge – to see whether the reader can figure out who the â€Å"ghost† or spectre represents and what they are doing. By involving the reader, the writers were able to keep them interested throughout the story. During the Victorian era, the short story became a very popular genre and ghost stories were well-liked with the readers. It was therefore very important for the authors to build tension and suspense to keep their readers interested. I will be studying: â€Å"The Monkey’s Paw† by W. W. Jacobs, â€Å"The Clubfooted Grocer† by Sir Arthur Canon Doyle, â€Å"The Red Room† by H. G. Wells and â€Å"The Signalman† by Charles Dickens. In this essay, I will be exploring the ways in which the writers use the supernatural to create dramatic tension in the above stories. â€Å"The Monkey’s Paw† is a short story by W. W. Jacobs, written in 1902. The title of a sto... ...cause there is a lot of mystery present throughout the story. The strangest thing is the fact that the Signalman himself is an educated man, yet he sees strange, unexplainable Apparitions which eventually lead to his death. Overall, I believe that these short stories are effective in entertaining the reader and keeping them interested throughout the story. The writers use many different techniques such as personification, metaphors, similes and imagery to create vivid images throughout the stories. The best technique used is when there are many questions which are left unanswered at the end of the story. This makes the readers create their own conclusions about the reasons as to why certain events occurred. Also, the use of the first person narrative is effective in ghost stories because they give a clear view of what happens and how the narrator feels.

The Ethylene Propylene Diene Terpolymers Engineering Essay

INTRODUCTION AND OBJECTIVESEthylene-propylene-diene terpolymers ( EPDM ) have been widely used in industrial applications because of their first-class opposition against heat, ozone and weathering, every bit good as their unusual handiness of accepting high burden of fillers [ 1-3 ] . Support in the public presentations of gum elastic compounds, such as tensile strength, resiliency, wear opposition and flex opposition, can be achieved by lading the compounds with particulate fillers. Different classs of C black are the well-known conventional fillers used in EPDM gum elastics compounds [ 4 ] . Increasingly, mineral fillers like silicon oxide and clay have attracted more attending as they cost less and give less wellness jeopardies [ 4 ] . But due to the hapless silica-rubber bonding, the support by silicon oxide has non been to the full exploited [ 4, 5 ] . The handiness of silanised silicon oxide, which is normally obtained by pre-treating silicon oxide with Bi ( 3-triethoxysilylpro pyl ) tetrasulphane ( TESPT ) , a yoke agent, adheres silicon oxide to the gum elastic [ 6 ] . Furthermore, it is attractive that the sulphur-bearing bifunctional organosilane can besides assist to bring forth crosslinks between gum elastic ironss with the presence of gas pedals and activators at elevated temperatures, i.e. 140-240A °C [ 5-12 ] . The presence of TESPT improves the remedy procedure in silanised silica-filled EPDM gum elastics with other common vulcanizing systems. Though many research workers have made attempts to look into different remedy systems for EPDM gum elastics [ 3, 4, 13-17 ] , the inquiry on the efficiency of remedy systems for commercial production remains unfastened. That gives the aim of this undertaking which is as following: Using different remedy systems to crosslink silanised silica-filled EPDM gum elastic ; Assess efficiency of the remedy systems ; Choose the most efficient one for bring arounding the gum elastic. This literature reappraisal foremost introduces the basic background of EPDM gum elastic, including composing, chemical construction and corresponding belongingss and industrial applications in Section 2. Then a brief overview of the preparation of silanised silica-filled EPDM gum elastic compounds is given in Section 3, followed by the elaborate debut of recent plants on fillers and remedy systems for silanised silica-filled EPDM gum elastic in Sections 4, 5 and 6. Finally, the undertaking program will be discussed.BASIC BACKGROUND OF EPDM RUBBERTerpolymerisation of ethene, propene and a non-conjugated diene gives EPDM gum elastic with a concentrated ethylene-propylene anchor and unsaturation site in the side group, introduced by diene monomers [ 17 ] . Generally, ethene and propene monomers are the major constituents in an EPDM, supplying inherently first-class opposition against debasement by heat, visible radiation, O, and, in peculiar, ozone [ 18 ] . The little sum of non-conjug ated diene monomers place the reactive unsaturation sites available for sulphur vulcanization or polymer alteration chemical science, as the dienes are so structured that merely one of the dual bonds will polymerize [ 19 ] . Figure 1 EPDM ternonomers The three co-monomers used in industry are present in Figure 1. Each diene monomer incorporates with a different ability of triping long concatenation ramification or polymer side ironss, hence affect the processing and vulcanization procedure [ 20 ] . The most normally used termononer is ethylidene norborne ( ENB ) as it can integrate easier and has greater responsiveness with sulphur vulcanization [ 19 ] . The chemical construction of EPDM with ENB termonomer is illustrated as follows: Figure 2 Chemical construction of EPDM A general sum-up of belongingss of EPDM gum elastic is listed in Table 1 below. Table 1 Properties of EPDM gum elastics Polymer Properties Mooney Viscosity, ML ( 1+4, 125A °C ) 5 to 200 Ethylene Content ( wt. % ) 45 to 80 Diene Content ( wt. % ) 0 to 15 Specific Gravity ( gm/ml ) 0.855 to 0.88Vulcanisate PropertiesHardness ( Shore A Durometer ) 30 to 95 Tensile Strength ( MPa ) 7 to 21 Compaction Set B, ( % ) 20 to 60 Elongation ( % ) 100 to 600 Useful Temperature Range ( A °C ) -50 to +160 Tear Resistance Fair to Good Abrasion Resistance Good to Excellent Resilience Fair to Good Electrical Properties Excellent EPDM is the fastest turning man-made gum elastic having to its superior ozone and thermic opposition over other diene gum elastics and its burden of fillers and plasticizers to an highly high degree [ 18 ] . EPDM has found widespread applications in [ 18 ] : Automotive applications, such as seals, hosieries and profiles ; Construction applications, such as roof sheeting, profiles, and seals ; Electrical overseas telegrams and jacketing ; Moulded contraption parts ; besides is Blended with other gum elastics and thermoplastics.EPDM RUBBER FORMULATIONFillers for EPDM RubberDue to the non-crystallising nature of EPDM gum elastic, support is required for EPDM gum elastic, since the mechanical belongingss of the unfilled gum elastic are rather hapless. Carbon black is the most widely used filler for reenforcing EPDM gum elastics, but silicon oxide, clay, talc and some other mineral fillers are besides used [ 19 ] . Increasingly, more attending is being paid to silica [ 1, 2, 4, 15, 16, 21-25 ] . To accomplish full development of support by reenforcing fillers in EPDM gum elastics, C black and other fillers must be good dispersed. Good support can give EPDM gum elastics with high tensile strength, good tear opposition and improved scratch opposition. Furthermore, a well-mixed batch besides improves the processability for bulge, calendaring and modeling [ 19 ] . The reenforcing fillers and their effects on EPDM gum elastics will be discussed in item in Sections 4 and 5.Remedy Systems for EPDM RubberAs mentioned before, the incorporation of unsaturation sites allows the sulfur vulcanising of EPDM rubber. Sulphur remedy is the most widely used method, busying about 80 % of EPDM applications [ 17 ] . EPDM gum elastic can besides be vulcanised in a peroxide remedy system. Rubber vulcanised by sulfur remedy system can suit more emphasis and exhibit higher elongation at interruption, while the advantage of peroxide remedy over sulphur remedy is the formation of thermo-stable carbon-carbon bonds alternatively of thermo-labile sulphur-sulphur bonds, as the dissociation temperature and energy of sulphur-sulphur bonds is lower than that of carbon-carbon bonds [ 17, 26 ] . Hence higher effectivity of heat opposition of EPDM gum elastic can be obtained by peroxide remedy systems. The treatment of remedy systems for EPDM gum elastics will be unwrapped in Section 6.Other AdditivesOther normally used additives in EPDM rubber compounds are plasticizers, s ofteners and treating AIDSs. Naphthenic oils have been the most widely used plasticizers as they have the best compatibility with EPDM gum elastic and lowest cost. Paraffinic oils are normally used for elevated-temperature applications or in colored compounds due to the lower volatility and higher UV stableness. Stearic acid, Zn stearic and other internal lubricators are frequently used as processing AIDSs in EPDM rubber compounds. The presence of tackifier or non is dependent on if there is a demand for presenting tack as EPDM gum elastic compounds are inherently non tacky [ 19 ] . Different preparations of EPDM rubber compounds consequence in a assortment of applications. A typical formula for C black-filled EPDM gum elastic for sheeting application is shown in Table 2 below. Tiwari and colleagues [ 27 ] studied consequence of different interventions of silicon oxide on silica-filled EPDM gum elastic belongingss and the basic preparation for silanised silica-filled gum elastic is given in Table 3. Table 2 Typical formula for C black-filled EPDM sheeting [ 19 ] Components Amount ( phr ) EPDM A 100 N – 347 black 120 Talc 30 PARAFFINIC oil type 103B 95 Zinc oxide 5 Stearic acid 1 MBTS 2.2 TMTD 0.65 TETD 0.65 Sulfur 0.75 Table 3 Basic preparation for silanised silica-filled individual EPDM gum elastic Components Amount ( phr ) EPDM 100 Silica 50 ZnO 5 Stearic acid 2.0 Silane ( TESPT ) 4 Sulfur 1.04 N-cyclohexylbenzothiazole-2- sulphonamide ( CBS ) 1.5 Tetramethylthiuram disulphide ( TMTD ) 0.8 Zinc dibenzyldithiocarbamate ( ZBEC ) 1.5Fillers USED IN EPDM RUBBERCarbon Black: A Conventional FillerCarbon inkinesss are the most widely used reenforcing fillers in gum elastic industry since the find of their effectivity of bettering the physical and mechanical belongingss of natural elastomers in 1904 [ 12 ] . Different classs of C black have been used in EPDM gum elastics for industrial applications, such as roof sheeting and automotive profiles and many research workers have studied about the mechanical behavior of C black reinforced EPDM gum elastics. Ghosh and Chakrabarti [ 28 ] reported effects of different sums of C inkinesss on the physical and mechanical belongingss, ageing behavior and conduction of EPDM rubber compounds and the rheological behavior of EPDM gum elastic in bulge processing. Osanaiye [ 29 ] used sinusoidal shear flows to analyze the effects of C black, temperature and shear frequence on dynamic mechanical belongingss of EPDM rubber compounds. The effects of different sums of carry oning C black filler on thaw rheology and relaxation behavior of healing free EPDM gum elastic by cone home base viscosimeter was reported by Ghosh and Chakrabarti [ 30 ] . Abd-El Salam and colleagues [ 31 ] used inactive and dynamic analysis to analyze consequence of different vulcanizing systems on the mechanical belongingss of butyl rubber/ EPDM general furnace black. Cavdar, S. et al [ 3 ] reported a comparative survey on mechanical, thermic, viscoelastic and rheological belongingss of cured C black filled EPDM gum elastic. There are many more illustrations of research on other facets of C black reinforced EPDM gum elastics. For illustration, conductive gum elastics have been made by adding conductive C inkinesss into EPDM and its blends by Das, N. C. et Al [ 32 ] . The electrical and mechanical belongingss have been studied.Silica: A Novel FillerRecently, man-made silicon oxide is going more popular as reenforcing filler in EPDM gum elastics because they have proved to be every bit effectual as C inkinesss [ 12 ] . Furthermore, silica offers several advantages over C black: in tyre paces, a higher wear opposition and better wet-grip with a lower turn overing opposition can be obtained by utilizing silicon oxide instead than carbon black [ 1 ] . Besides, silica-filled compounds are really suited for light coloring material applications.Problem and TreatmentsThe support of silicon oxide in EPDM gum elastic has non reached the coveted degree because of the hapless silica-EPDM bonding. The surfaces of sili con oxides have siloxane and silanol groups, which make the filler acidic and polar [ 7 ] while EPDM gum elastic is non-polar. When the polar silicon oxide is assorted with non-polar and olefinic hydrocarbon gum elastics, e.g. EPDM, hydrogen-bond interactions between polar siloxane or silanol groups in agglomerates are more likely to happen than the interactions between silicon oxide and rubber [ 1 ] , ensuing in hapless compatibility of hydrocarbon gum elastics with silicon oxide. Furthermore, the acidic silanol groups interact with the basic gas pedals, spread outing the remedy times to an unacceptable degree and take downing the crosslinking denseness [ 5 ] . The polar surface of silicon oxide will besides be given to absorb wet and this influences remedy and belongingss of the cured gum elastic [ 5 ] . Additionally, the viscousness increases with increasing sum of silicon oxide filler and if the viscousness is excessively high, the processability will be reduced and inordinate w ear and tear of the processing machine will take topographic point [ 5 ] . However, the handiness of specific matching agents makes the usage of silicon oxide in EPDM rubber compounds possible. Bifunctional organosilanes are normally used to better the compatibility between silicon oxide and hydrocarbon gum elastics by modifying the surfaces of silicon oxide [ 1 ] .Silanes and Silanised SilicaBifunctional silanes can be used to chemically associate an organic stuff to an inorganic substrate. The rule purpose of utilizing silanes to respond with silica involves cut downing ablating hydrophilicity of silicon oxide and presenting a new organo – functional groups onto the silicon oxide surfaces [ 1 ] . In the instance of sulphur-cured compounds, sulphur-functional silanes perform best and for peroxide-cured compounds, unsaturated silanes such as vinylsilanes are recommended. In footings of sulphur-cure systems, the usage of Bi ( 3-triethoxysilylpropyl- ) tetrasulphane ( TESPT ) ( Figure 3 ) as a yoke agent is good established, since foremost introduced in 1991 in a practical application in green tyres by Rauline [ 33 ] .. Figure 3 Chemical construction of TESPT TESPT possesses ethoxy groups and tetrasulphane groups. The ethoxy groups react with silanol groups on the silicon oxide surfaces via hydrolysis mechanism [ 33 ] , taking to the strong covalent silica-filler bonding. The tetrasulphane groups are no-good reactive and therefore stable rubber-silica bonding can be achieved via sulfur crosslinking. Bis ( 3-triethoxysilylpropyl ) -disulphane ( TESPD ) was subsequently introduced chiefly to get the better of the pro-scorching job of TESPT, as the sulphur-sulphur dissociation energy of TESPD was lower than that of TESPT [ 33 ] . The silanisation of silicon oxides are normally obtained by two attacks. Silica and silanes are assorted preliminarily at an optimal temperature and reaction clip, or, instead, they can be mixed in situ during the commixture procedure [ 5 ] . The latter is the more normally used method [ 34 ] . A good silanisation is required as it yields best support and reduces compound indurating during storage. A certain sum of H2O can speed up the silanisation. The optimum wet content is suggested to be around 3-6 % [ 34 ] . The chief influences on the in situ silanisation of silica-silane filled compounds are summarised in Figure 4. Furthermore, if silicon oxide is used in a blend with, e.g. , C black, relatively more silane is required as silane is less likely to make the silica surface quantitatively in a given commixture clip [ 34 ] . In these instances, silanised silicon oxide obtained by the pre-treatment is advisable. Optimum silanisation And Short commixture times Release of ethyl alcohol T a† Ã¢â‚¬Ëœand T a† Ã¢â‚¬Ëœ Release of ethyl alcohol Ta† Ã¢â‚¬Ëœand ta† Ã¢â‚¬Ëœ Good silicon oxide scattering I ·a† Ã¢â‚¬Ëœas Ta† Ã¢â‚¬Å" Complete matching reaction Ta† Ã¢â‚¬Ëœ and T a† Ã¢â‚¬Ëœ Avoid pre-crosslinking T a† Ã¢â‚¬Å" and T a† Ã¢â‚¬Å" Fast transit procedures I ·a† Ã¢â‚¬Å"as T a† Ã¢â‚¬Ëœ High mobility of the silane ; little size Best rotor and blending chamber geometry Figure 4 chief influences on the silanisation reaction [ 34 ] Apart from sulphur vulcanization, the add-on of vinylsilanes is normally applied to better the mechanical belongingss of peroxide-cured compounds. The general construction of vinylsilanes is shown in Figure 5. Figure 5 generalized construction of vinylsilanes In contrast to the reasonably high dose of sulphur-functional silanes in merchandises necessitating high mechanical belongingss, a strong support can be achieved by the incorporation of merely 2 parts by weight Si 225 ( VTEO ) per silicon oxide [ 34 ] . Adding more extremist instigator or activators can ensue in higher crosslink densenesss [ 34 ] . However, the applications of silanised silicon oxide are largely focused in natural gum elastic ( NR ) , styrene butadiene gum elastic ( SBR ) , and polybutadiene gum elastic ( BR ) . Very few research works has been published on the effects of silane on EPDM gum elastics, but there are still some. Kim [ 33 ] reported consequence of TESPD on the processability and mechanical belongingss of EPDM rubber. Taikum and Luginsland [ 16 ] studied the function of silane-rubber yoke in sulfur, peroxide and metal oxide bring arounding systems for EPDM gum elastic. Das et al [ 4 ] showed that the presence of TEPST increased the content of bound gum elastic in silica-filled EPDM compounds, which was critical to the mechanical belongingss of the gum elastic.Other TreatmentsOther matching agents Besides silane, several other matching agents have been employed to modify the silica-EPDM bonding. Das et al [ 4 ] usage Bi diisopropyl thiophosphoryl disuli ¬?de ( DIPDIS ) , to modify EPDM rubber alternatively of silicon oxide by two-stage vulcanization technique. The effects of TAC ( Triallyl Cyanorate ) as a yoke agent on hardening and mechanical belongingss of silica-filled EPDM gum elastic were studied by Abtahi and associates [ 1 ] . Others methods Tiwari et al [ 23 ] treated the surfaces of silicon oxide by plasma-polymerisation with acetylene monomer and one twelvemonth subsequently, the comparative survey of plasma-thiophene and -acetylene coated silicon oxide in EPDM support was reported [ 27 ] . Tan and Isayev [ 22 ] treated silicon oxide utilizing a coaxal supersonic extruder and investigated the effects on belongingss of ultrasound-treated silicon oxide on filled EPDM gum elastic.Other fillersIn most instances, C black and silicon oxide are used to reenforce EPDM gum elastics. Some other sorts of fillers have been added to EPDM rubber matrix and their effects been investigated, affecting montmorillonite ( OMMT ) nanofiller [ 35 ] , nano-zinc oxide [ 36 ] , Sm2O3 [ 26 ] , short cyanuramide fibers [ 37 ] , ash/halloysite [ 38 ] and so on.Effects OF FILLERS ON PROPERTIES OF EPDM RUBBEREffectss of Carbon BlackAs mentioned before, research workers have studied a batch about the effects of adding C black on the mechanical belo ngingss of EPDM rubber, demoing that the belongingss were improved significantly [ 3, 28-32 ] . Cavdar and associates [ 3 ] reported that the Young ‘s modulus, Shore A hardness, and compaction force over distortion ranage increased with increasing content of C black, while the elongation at interruption reduced ( Figure 6 ) . Figure 6 Effectss of C black content on ( a ) mechanical belongingss ; and ( B ) rheological belongingss of EPDM rubber [ 3 ] . The Young ‘s modulus was most filler content medium as the value increased aggressively with sum of C black. In footings of rheological belongingss, increasing C black content resulted in higher upper limit torsion and the difference between upper limit and minimal torsion, which corresponded to relative crosslinking denseness. The optimal remedy clip decreased with increasing the filler content. Considerable research has been done to understand the mechanism of support. Two chief features of active inkinesss are their surface country and sum construction, which determine the inactive and dynamic in-rubber belongingss and therefore do it possible to orient the public presentation of gum elastic merchandises.Effectss of SilicaEffectss of silicon oxide on the mechanical belongingss of EPDM gum elasticWithout silanes The effectivity of silicon oxide as reenforcing filler in EPDM gum elastic was confirmed by Ichzo and colleagues [ 2 ] who showed that tensile strength had improved by 500 % , tear strength by 400 % and elongation at interruption at 140 % by adding 20 phr of precipitated silicon oxide. They used silicon oxide with different size and demonstrated that an increasing inclination of tensile strength can be achieved when the size of silica atom decreased. The hardness of EPDM gum elastic increased with the filler burden but it was non particle size dependant. They besides found that silicon oxide sums size distribution affected the mechanical belongingss and it deserved more attending. With silanes Das [ 4 ] indicated that the Young ‘s modulus, tensile strength and crosslinking value of silica-filled EPDM gum elastics increased well when 1-2 phr of TESPT was added, while the elongation at interruption decreased, as illustrated in Figure 7 below. ( B ) ( a ) ( vitamin D ) ( degree Celsius ) ( degree Fahrenheit ) ( vitamin E ) Figure 7 Consequence of TESPT on the mechanical belongingss of EPDM rubber compounds: ( a ) modulus at 100 % elongation ; ( B ) modulus at 300 % elongation ; ( degree Celsius ) tensile strength ; ( vitamin D ) hardness ; ( vitamin E ) elongation at interruption ; ( degree Fahrenheit ) crosslinking value [ 4 ] .Consequence of silicon oxide on treating belongings of EPDM gum elasticAs mentioned earlier, adding silicon oxide to EPDM gum elastic will do the processing more hard as the viscousness increases significantly when a large sum of silicon oxide is involved [ 5 ] . However, the handiness of silanes such as TESPT or TESPD weaken the interaction between silica atoms as the ethoxy groups in silane react with the surfaces of silicon oxide by the silanol groups, taking to a alteration in interfaces between the polymer-polymer, polymer-silica and silica-silica [ 33 ] . Hence, it reduces the viscousness and improves the processability of the gum elastic compounds [ 5 ] . Kim [ 33 ] reported that the add-on of TESPD to silica-filled EPDM gum elastic yielded lower Mooney viscousness, heat coevals and bulge force per unit area build-up through an extruder, which made treating easier.Effectss of silicon oxide on thermic belongings of EPDM gum elasticMadani [ 39 ] studied the thermic belongings of gamma radiation cured silica-filled EPDM via thermohydrometric analysis ( TGA ) and demonstrated that the presence of silicon oxide reduced the rate of debasement and the weight loss of vulcanisates. This was due to the improved adhesion between silicon oxide and EPDM rubber matrix. He besides stated that thermic belongings of silica-filled EPDM gum elastic was determined by the burden of filler, filler size and construction, filler-matrix interactions and processing technique.Consequence of silicon oxide on the ageing belongings of EPDM gum elasticAirplanes et al [ 15, 40 ] used gamma radiation to age unfilled and filled EPDM gum elastics at room temperature and at 80A °C to analyze the influence of silicon oxide on the gum elastic debasement. They evidenced that adding untreated silicon oxide accelerated the polymer stage debasement due to the formation of auxiliary groups triggered by silica irradiation. If silane-treated silicon oxide was presented, the debasement acceleration was delayed.Effectss of silicon oxide on the electrical belongings of EPDM gum elasticRaw EPDM gum elastic is an dielectric with a conduction of about 10-14 S-1 [ 39 ] . It was proved that the add-on of inorganic fillers such as silicon oxide increased the condu ction of polymer [ 39 ] . Madani [ 39 ] investigated the fluctuation of dielectric changeless ( ) of some healed EPDM and silica-filled EPDM gum elastics as a map of frequence and found that was filler content dependant: it increased up to 10 phr, and so decreased with increasing burden. He pointed that the addition was due to the polar groups present on silicon oxide surfaces, and that the lessening was due to the increasing system denseness and the extent of orientation of dipoles.Effectss of scattering of silicon oxide on the belongingss of EPDM gum elasticFiller scattering has a distinguishable consequence on the belongingss of gum elastic compounds. Poor scattering has a negative consequence on gum elastic belongingss by making structural defects [ 5 ] . Polmanteer and Lentz [ 41 ] demonstrated that some belongingss such as tensile strength and tear strength improved as the filler scattering quality increased after they examined consequence of scattering of silicon oxide on the belongingss of some sulphur-cured gum elastics. To obtain a better scattering of fillers in gum elastic compounds, increasing commixture clip is an efficient method, nevertheless, at the cost of take downing the molecular weight of polymer, which leads to the decrease in mechanical belongingss [ 5 ] . The grade of scattering of filler can be examined by microscopy methods, such as negatron microscopy and atomic force microscopy.CURE SYSTEMS FOR EPDM RUBBERSulphur Cure systemsEvery gum elastic merchandise is vulcanised with its ain specific remedy system, ensuing in assorted belongingss. As already mentioned, the incorporation of pendent unsaturation sites enables that EPDM rubber to be vulcanised by sulphur plus gas pedals. Sulphur remedy is the most widely used vulcanising method for bring arounding EPDM gum elastics, representing about 80 % of the EPDM applications [ 17 ] . Compared with peroxide-cured EPDM gum elastics, sulphur-cured gum elastic compounds are able to suit more e mphasis and exhibit higher elongation at interruption. Basically, three types of sulfur crosslinks are used in elastomers, viz. , monosuphfidic ( C-S-C ) , disulphidic ( C-S2-C ) and polysuphidic ( C-Sn-C ) . The crosslink denseness and the value of Ns are chiefly determined by vulcanizing system and procedure conditions such as remedy temperature and clip. Over the old ages three particular types of remedy systems have been established based on the degree of sulfur and the ratio of accelerator-to-sulphur applied. They are: Efficient vulcanization ( EV ) systems, Semi-efficient vulcanization ( SEV ) systems and Conventional vulcanization ( CONV ) systems. EV systems are characterised by a high ratio of accelerator-to-sulphur or even sulphurless, but incorporating sulphur-donor alternatively. They are normally used in vulcanisates which require an highly high heat and reversion opposition [ 42 ] . CONV systems are vulcanisation systems with a low ratio of gas pedals to sulfur and they can supply better flex and dynamic belongingss but worse thermal and reversion opposition. A semi-efficient remedy system has an accelerator-to-sulphur ratio in between those of the CONV and EV vulcanization systems. For SEV systems, optimal degrees of mechanical and dynamic belongingss of vulcanisates with intermediate heat, reversion and flex belongingss can be obtained [ 42 ] . The composings of CONV, SEV and EV systems are shown in Table 4. Table 4 the degrees of gas pedals and sulfur in CONV, SEV and EV systems [ 42 ] Type Sulphur ( phr ) Accelerator ( phr ) A/S ratio CONV 2.0-3.5 1.2-0.4 0.1-0.6 SEV 1.0-1.7 2.5-1.2 0.7-2.5 Electron volt 0.4-0.8 5.0-2.0 2.5-12 Increasing accelerator-to-sulphur ratio consequences in increased sum of shorter mono- and disulphidic crosslinks. As the dissociation energy of C-C bonds are larger than that of S-S bonds. Vulcanisates obtained by EV and SEV systems possess a better heat and reversion opposition than those cured by CONV systems. The general influences of the type of vulcanization systems on the construction and belongingss of the vulcanisates are summarised in Table 5. Table 5 vulcanisate construction and belongingss for different remedy systems Features Remedy systems CONV SEV Electron volt Poly-and disulphidic crosslinks ( % ) 95 50 20 Monosulphidic crosslinks ( % ) 5 50 80 Cyclic sulfide ( conc. ) High Medium Low Non-sulphidic ( conc. ) High Medium Low Reversion opposition Low Medium High Heat ageing opposition Low Medium High Fatigue opposition High Medium Low Heat construct up High Medium Low Tear opposition High Medium Low Compaction set ( % ) High Medium Low Furthermore, nitrosamine free or safe hardening bundles were developed for the replacing of remedy systems which develop nitrosamines during vulcanization. N-nitrosamines formed during vulcanization as condensation merchandises from certain gas pedals and azotic gasses and are carcinogenic [ 43 ] . They are generated from some thiuram and dithiocarbamates gas pedals, which are known as ultra-accelerators and normally used in EPDM gum elastic intensifying [ 43 ] . Traditional ultra-accelerators can be replaced by nitrosamine-free systems, but at disbursal of high costs. About all imaginable combination of bring arounding ingredients for EPDM rubber compounds have been evaluated over the old ages [ 42 ] . Five typical remedy systems are listed in Table 6. The alternate nitrosamine free or safe remedy systems are suggested in Table 7. Table 6 Five remedy systems for EPDM rubber [ 42 ] Systems ( phr ) Advantages Disadvantages System 1 Low cost Blooming S 1.5 TMTD 1.5 2-mercaptobenzothiazole ( MBT ) 0.5 System 2 Excellent physical belongingss and fast remedy Scorchy and expensive S 2.0 MBT 1.5 Tellurium diethyl dithiocarbamate ( TDEC ) 0.8 Dipentamethyl thiuram tetrasulphide ( DPTT ) 0.8 TMTD 0.8 System 3 Excellent compaction set and good heat ageing opposition Bloom and really high cost S 0.5 Zinc dibutyldithiocarbamate ( ZDBC ) 3.0 Zinc dimethyldithiocarbamate ( ZDMC ) 3.0 4,4'dithiodimorpholine ( DTDM ) 2.0 TMTD 3.0 System 4 Non-blooming Cure comparatively slow and worse compaction set S 2.0 2,2†²-dithiobenzothiaole ( MBTS ) ZDBC 2.5 TMTD 0.8 System 5 Zinc O, O-dibutylphosphorodithioate ( ZBPD ) 2.0 TMTD 1.0 N-butylbenzothiazole-2-sulfenamide ( TBBS ) 2.0 S 1.0 Fast remedy and good physical belongingss Blooming Table 7 Some NA free options for the remedy systems above [ 42 ] Systems NA free optionsSystem 1S 1.5 S 1.3 MBT 0.5 MBT 0.75 TMTD 1.5 CBS 3.8System 2S 2.0 S 1.5 MBT 1.5 ZMBT 2.0 TDEC 0.8 ZBEC 0.5 DPTT 0.8 ZBPD 2.0System 5ZBPD 2.0 ZBPD 2.5 TMTD 1.0 0 TBBS 2.0 TBBS 2.0 S 1.0 S 1.2 Besides, an activator, such as Zn oxide, is normally needed in EPDM remedy systems to maximize the efficiency of gas pedals and chemical adhesion between the filler and gum elastic.Silanised Silica: a â€Å" Crosslinking Filler †An of import issue must be considered sing the sulphur remedy systems for silanised silica-filled EPDM gum elastic is the fact that the usage of sulphur-functional silanes such as TESPT combine silicon oxide with sulfur into one individual merchandise known as a â€Å" crosslinking filler † [ 6 ] , such as silanised silicon oxide. It can non merely better the mechanical belongingss of gum elastic, but besides can bring forth crosslinks between the gum elastic ironss at elevated temperatures in the presence of gas pedals due to the sulphur-containing groups. Therefore, the vulcanization procedure can be achieved without elemental sulfur being present [ 6 ] . Research has shown that the mechanical belongingss of some vulcanisates improved signific antly in malice of the decrease in the usage of the hardening chemicals [ 6 ] . It was demonstrated that during the vulcanization procedure the formation of both rubber matrix crosslinking web and silica-rubber yoke web occurred at the same time and did non separate. In the presence of elemental sulfur, the two different crosslinking reactions compete for the added sulfur as the sulphur-functional silanes like TESPT are sulphur acceptor [ 34 ] . Therefore the crosslinking construction and the support are determined by the sums of silane and sulfur. The influence of adding different sums of sulfur and silane on the matrix and silica-rubber yoke webs is shown in Figure 8. Figure 8 consequence of the sum of ( a ) added sulfur and ( B ) silane ( TSEPT ) on the crosslinking densenesss of matrix and silica-rubber yoke [ 34 ] It is apparent that increased sum of sulfur enhances the efficiency of the silica-rubber yoke until all the silane is activated. Initially, a little grade of addition in the matrix crosslink denseness is observed, due to the ingestion of free sulfur by the activation of silane. After the full activation of silane, the matrix crosslink denseness additions much faster. With regard to the increasing sum of silane at a changeless sum of sulfur, the entire figure of silica-rubber bonds additions while the degree of the matrix crosslink denseness reduces, owing to the incorporation of sulfur by the silane [ 34 ] . Furthermore, in the instance of TESPD, a disulphide silane, the consequence is more important. Therefore it can be concluded that altering the sum of elemental sulfur and silane consequences in different ratios of the matrix and silica-rubber webs [ 34 ] . Furthermore, mechanical belongingss of silanised silica-filled gum elastic can be predicted because silica-rubber yoke domina tes the modulus and hydrophobation lowers hardness values. Some elaborate effects of silane on the mechanical public presentation of silica-filled EPDM gum elastic have been presented in Section 5.2.1.Peroxide Cure systemsOverviewCrosslinking with peroxides was foremost introduced in 1915, but did n't pull excessively much attending until the development of to the full saturated ethylene-propylene copolymers ( EPM ) [ 42 ] . Many sorts of elastomers can be vulcanised by peroxide remedy systems expeditiously, including NR, SBR, EPDM, BR, nitrile gum elastic, Silicones and fluorocarbon elastomers [ 42 ] . The unsaturation can better the efficiency of peroxide vulcanization [ 17 ] , due to the higher concentration of allylic Hs [ 42 ] . The comparative efficiency of peroxide crosslinking for different elastomers is: BR & gt ; NR and SBR & gt ; NBR & gt ; CR & gt ; EPDM The advantages and disadvantages of peroxide remedy compared to sulfur vulcanization are listed in Table 8 [ 42 ] : Table 8 Advantages and disadvantage of peroxide remedy compared with sulphur remedy Advantages Disadvantages Thermo-stable C-C bonds alternatively of thermo-labile S-S bonds, Scorch free storage of compounds, Simple compound preparation, Low compaction set even at high remedy temperature, It is possible to bring around at high temperatures without reversion, Good electrical belongingss of healed gum elastic, No stain of compounds. Low intensifying flexibleness ; Lack of flexibleness in modulating singe and optimal remedy clip Inferior tensile, tear and flex public presentation, Inferior scratch opposition Higher cost, Sensitivity to oxygen during vulcanization, Smells of peroxide decomposition merchandises.Peroxide remedy of EPDMPeroxide-cured EPDM gum elastics are being widely used for many old ages. They are normally used in window seals, automotive hosieries, roof sheeting, tanking liner, electrical insularities, steam hosieries, roll coverings moldings and so on [ 42 ] .Mechanism of peroxide remedy of EPDM gum elasticThe mechanism of peroxide remedy of EPDM gum elastic and the subsequent practical effects have been reviewed by new wave Duin and colleagues [ 17, 44, 45 ] . In the by and large accepted mechanism of peroxide remedy of EPDM, the major stairss are illustrated in Figure 9. Figure 9 Mechanism for peroxide remedy of EPDM [ 17, 44, 45 ] Thermal debasement of the peroxide initiated by procedure triggered a concatenation of free-radical reactions, taking to the formation of primary alkoxy ( ROaˆ? ) or secondary alkyl groups ( Raˆ? ) . Then the abstraction of H-atoms from the EPDM polymer outputs EPDM macro-radicals ( EPDMaˆ? ) . The following measure is the combination of two EPDM macro-radicals, or the incorporation of a macro-radical to an EPDM unsaturation. If a yoke agent, such as vinylsilanes mentioned in Section 4.2.1.1 ( TAC, trimethylolpropane or m-phenylenbis ( maleimide ) ) , is present, the peroxide remedy efficiency can be increased, as they can heighten the H-atoms abstraction and the undermentioned reactions are repressed [ 1, 17 ] : EPDMaˆ? + ROaˆ? a† Ã¢â‚¬â„¢ EPDM – RO ( No crosslinking ) EPDMaˆ? a† Ã¢â‚¬â„¢EPDMaˆ? ‘ + ( I?-Scission ) The issues of the elaborate mechanism of peroxide vulcanization of EPDM gum elastic remain unfastened, chiefly having to the complexness of the system. Several surveies have been conducted to see farther apprehension of the chemical mechanism of peroxide remedy of EPDM [ 46, 47 ] .Matching agents for peroxide remedy of silica-filled EPDM gum elasticAs antecedently stated, vinylsilanes are normally incorporated in peroxide remedy systems for silica-filled EPDM gum elastic to better vulcanization efficiency and mechanical public presentation of vulcanisates. The effectivity of TAC as a yoke agent for peroxide vulcanization of silica-filled EPDM gum elastic was investigated by Abtahi et al [ 1 ] and concluded that TAC matching agent improved some belongingss such as tensile strength, scratch and resiliency opposition with a proper preparation. They besides used SEM to hold a deep penetration in the interaction between silica filler and gum elastic in the presence of TAC and found that t he grade of support was chiefly affected by the grade of wettability.New DevelopmentsReducing the sulfur content consequences in vulcanisates with better thermal opposition throughout service life, nevertheless, this is at the disbursal of decrease in mechanical public presentations such as dynamic weariness opposition and tear opposition. This via media can be eliminated by utilizing two additives, viz. hexamethylene-1, 6-bisthiosulphate ( HTS ) , a station vulcanization stabilizer and 1, 3-bis ( citraconimidomethyl ) benzine, an anti-reversion agent [ 42 ] . Vulcanization techniques have effects on EPDM gum elastics. Das [ 4 ] studied the efficiency of one-stage and two-stage sulfur vulcanization techniques of silica- filled EPDM gum elastics and reported that alteration of EPDM gum elastic by two-stage vulcanization technique enhanced the interactions between EPDM rubber and silicon oxide. Furthermore, assorted remedy systems can besides be employed to heighten the public presentation of vulcanisates.Undertaking PlanThe overall purpose of this undertaking is to prove some sulfur and peroxide remedy systems to bring around silanised silica-filled EPDM gum elastic to bring forth a gum elastic with good mechanical belongingss utilizing a suited hardening system. The undertaking programs are: Prepare silanised silica-filled EPDM gum elastic compounds with peroxide and bring around the gum elastic with gas pedal and activator via the sulfur in the silane ; Use C black and silanised silicon oxide nanofillers in EPDM gum elastic to measure their effects on the mechanical belongingss of the gum elastic ; Remedy and step the mechanical belongingss of filled EPDM gum elastic to set up consequence of the bring arounding systems and fillers on the gum elastic belongingss.

Facebook’s Stock? Essay

Social networking has played a prominent role in allowing users to connect with each other around the world over the past decades. Social network sites are used in order to improve intimate communication and build better relationships with family, old and new friends. Facebook in particular is one of the most popular social networking sites. It provides a wide range of connection methods for users to interact with those people that they care about and to update status or photos on the website. The website was established by Mark Zuckerberg and his college friends in February 2004. It is owned and operated by Facebook Inc. The company has continued to develop and increase potentiality over the last eight years (PrivCo, 2011). As of March, 2012, there were more than 900 million Facebook users, more than 125 billion friend connections and there were an average of 300 million photos uploaded each day on the website (Facebook’s S-1 Filing, 2012). In this sense, Facebook has become the largest social networking sites in the world. Additionally, when the company started trading stock to public on 18 May, 2012, it was also recorded as the third largest IPO in the history of the United States (Hammond, 2012). However, the stock price has been significantly falling since selling the stock to public. Although social networking is a growing market and the company plans to continue developing its productions and services, investors remain worried about the ability of the company and they have doubted that the stock will not be able to turn profit margins in both short-term and long-term period. Therefore, the stock of Facebook should not be invested in because it is overvalued and overpriced and the company might struggle with commercial revenue and be restricted in many areas. This paper will describe the stock market and Facebook’s situation before and after trading to the public and will also discuss the question of investment in the stock of the company. It will then anticipate the future of Facebook.

The eNotes Blog Top 10 Works LostForever

Top 10 Works LostForever There are some things we will just never know: why do we have so many unmatched socks, and what do all those keys we carry around actually unlock? But bigger than all of these mysteries is one of the ultimate onesthe loss to humanity of some possibly important works of literature. This week, Megan Gambino, writing for  Smithsonian.com compiled what she deems to be the Top 10 Books Lost to Time. While there is a chance some of these manuscripts might be located someday, it is a slim chance indeed. Here is a synopsis of her argument: 1.   Homer’s Margites Sadly, absolutely no extant copies exist, though authors such as Plato and Aristotle quote from Magrites in their own works. Interestingly, Magrites was a comedy.   Aristotle held it in as much acclaim as The Iliad and The Odyssey. 2.   Lost Books of the Bible These are not the texts which were discarded from the canon, but works actually lost. These books are referenced within the Bible that we know, but no copies have ever been discovered. The Book of Numbers, for instance, mentions the Book of the Battles of Yahweh. The First and Second Book of Kings and the First and Second Book of Chronicles names a Book of the Chronicles of the Kings of Israel and a Book of the Chronicles of the Kings of Judah. There are over 20 titles for which the text is missing, Gambino says. 3. William Shakespeare’s Cardenio Intriguingly, this play is known to have been performed by Shakespeares company, but no copies survive. The plot is said to involve a character named Cardenio who appears in Cervantes Don Quixote. 4.   Inventio Fortunata Inventio Fortunata is the work of an unknown 14th century Franciscan monk who charted the Arctic and described in detail what he believed to be the North Pole. A Flemish author incorporated parts of the work into his own book, Itinerarium, but then that book too went missing. In 1577, the verbiage copied from the monk and then the Flemish writer was once again copied by Gerard Mercator, a leading 16th century cartographer. The information he provided, third hand, was 200 years old. 5. Jane Austen’s Sanditon Jane Austen did not live to complete her final novel, Sandition. She finished eleven chapters but no one knows exactly how she would have resolved it. One author, Anne Telscombe, tried to complement Austens style and finish the work, but the effort was met with a decidedly chilly reception. A reviewer for Time magazine sniffed that if   â€Å"Janeites take their author like warm milk at bedtime,† then Telscombe’s book is â€Å"watery milk.† 6. Herman Melville’s The Isle of the Cross Melvilles novel about a shipwrecked sailor and the woman who falls in love with him was rejected by his publisher, Harpers, for reasons unknown. The manuscript has never resurfaced. 7. Thomas Hardy’s The Poor Man and the Lady This was Hardys first novel, which was rejected by publishers. We know roughly what it is about because of transcripts that exist between the elderly author and the poet Edmund Gosse, a conversation that took place in 1915, some fifty years after the fact. Hardy was fuzzy on the details, but knew it was about a romance between the daughter of a squire and the son of peasants. Hardy thought it to be one of the most original things he had ever written. 8. First draft of Robert Louis Stevenson’s The Strange Case of Dr. Jekyll and Mr. Hyde Rumor has it that Stevenson wrote his novel of 30,000 words in three days, but his wife criticized it, and he got upset and chucked it in the fireplace. Other rumors say that his wife was responsible for the destruction. Either way, or in any other way, the manuscript no longer exists or at least has never been found. 9. Ernest Hemingway’s World War I novel Hemingways first wife, Hadley, had collected some of his long-hand short stories and part of a novel. She put them in a suitcaseand left them on a train. The priceless valise was never recovered. Hemingway was sickened by the loss, saying he wished surgery could erase the memory. He   frequently cited this incident as the catalyst that ended his marriage. 10. Sylvia Plath’s Double Exposure Plath had completed 130 pages of this novel when she took her own life in 1963. Her husband, Ted Hughes, claims there were only about 70 pages, and that her mother took them. But Hughes admits to having burned one of Plaths last journals, claiming it was too much for their children to ever be exposed to, so it is unclear if Hughes was being truthful in this regard or not.

How to Write a Book Blurb that Sells (with Examples)

How to Write a Book Blurb that Sells (with Examples) How to Write a Book Blurb: A Guide for Novelists Last updated: 09/12/2018Creating a book blurb, while still technically writing, is closer to a science than an art. The blurb that appears on the back cover of your book, and on your Amazon page, will either:Work by convincing readers to take a chance on it, orFail to engage your target readers.In that sense, a good blurb is anything but subjective. In this post, three publishing editors have shared their secret behind writing the best blurb for your novel.What is a blurb?A blurb is a short description of a book that is written for promotional purposes. Traditionally, it would be found on the inside back cover of a hardback. As paperback publishing developed, readers began seeing the blurb appearing on the back cover. Generally, 150-200 words are more than enough for a full blurb.In the modern publishing landscape, where more books are being purchased online than in bricks and mortar stores, you are more likely to encounter blurbs on the product page of Amazon or any other digital re tailer. Sometimes, you will hear them referred to as ‘book descriptions.’ So now that we have our basic definition out of the way, let’s roll up our sleeves and get to work.How to write a book blurb in 4 stepsâ€Å"The opening of your blurb has to be incredibly precise and dynamic,† says editor Rebecca Heyman. â€Å"For a lot of first-time authors, I think there's an instinct to make sure readers understand everything that happened in the book’s universe before the beginning of the actual story. That's generally a mistake.†So if it shouldn’t set the stage for a reader who’s about to dive into your book, what should your blurb do?Without further ado, here's how to write a blurb in 4 steps. Read this: "How to write a novel's blurb in 4 steps" 1. Introduce your main character(s)At its core, novels are a storytelling medium, and that means your blurb has to be about characters. Consciously or not, readers check out the synopsis to see whether they want to spend time with your main characters. They don’t need to know their entire backstory, though - just enough to understand how they figure into the story’s primary conflict...2. Set the stage for your primary conflictThe primary conflict is what drives your story. It’s Harry Potter doing battle against Voldemort and his minions, FBI Agent Clarice Starling negotiating with Hannibal Lecter, or Captain Ahab’s obsessive vendetta against a whale. Without a real-world conflict, you don’t have a story readers can sink their teeth into. This blurb is a lot shorter than the previous examples. It’s a perfect introduction to the hard-boiled, no-nonsense narration style of the books. The short sentences and sardonic interjections (â€Å"Not much of a welcome† and â€Å"not a chance in hell†) might read like clichà ©s, but they capture a traditional hero in the Bogart mold.Also, the blurb gives us a sense of the setting. There’s no reason the reader should be aware of Margrave, but its repetition and context let us know that this is not a friendly town. Without having to spell it out, we can tell that Jack Reacher is about to encounter some small-minded locals.Of course, there are plenty of books to draw inspiration from. Just reach up on to your bookshelf and pull down your favorite book - see how they go about establishing characters, stakes, and conflict.As you’ve hopefully seen, your blurb is one of your book's biggest sales influencers, and it demands as much, if not more, attent ion than any other part of your marketing plan. The time and effort you put into refining and testing your blurb is money in the bank.What are some of the best book blurbs you’ve seen on an Amazon page or on a back cover? Share them in the comments below and tell us why you like them.

7 Dos for Dangling Modifiers

7 Dos for Dangling Modifiers 7 Dos for Dangling Modifiers 7 Dos for Dangling Modifiers By Mark Nichol In each of the sentences below, the noun phrase immediately following the introductory phrase is not the referent for that phrase; you have to keep working through the sentence and locate another noun, or, sometimes, surgically separate a â€Å"(noun)’s (noun)† phrase to isolate the correct one. 1. â€Å"If asked what will reverse the trend, my first response would be cynical but probably accurate.† In this sentence, â€Å"my first response† is being asked a question. The person, not their response, is the target of the query. In this case, introduce a subject into the introductory phrase: â€Å"If I were asked what will reverse the trend, my first response would be cynical but probably accurate.† 2. â€Å"Seen mainly as the brainchild of frontman Jack White, the band’s breakthrough came at the start of the new millennium.† The band’s breakthrough, rather than the band itself, is identified as the brainchild. Here, introduce the subject, follow with the introductory phrase as a parenthesis, and conclude by referring to the details of the breakthrough: â€Å"The breakthrough for the band, seen mainly as the brainchild of frontman Jack White, came at the start of the new millennium.† 3. â€Å"For a representative of a country that is one of the United States’s most important allies in Asia, her language is notably candid.† This sentence suffers from an almost identical problem, except that, instead of a noun with a possessive, it features a possessive pronoun: The solution, however, is different: Convert the possessive pronoun to an ordinary one and attach a pertinent verb: â€Å"For a representative of a country that is one of the United States’s most important allies in Asia, she used language that is notably candid.† 4. As a longtime holiday city, hotel options range widely in Luna Azul. This sentence identifies â€Å"hotel options,† not â€Å"Luna Azul,† the longtime holiday city. To correct this error, reverse the order of these phrases and revise the intervening wording: â€Å"As a longtime holiday city, Luna Azul features a wide range of hotel options.† 5. â€Å"Created in 1972 by the United Nations to stimulate awareness of the environment, San Francisco will be the first North American city to host World Environment Day.† According to this sentence, San Francisco was created by the United Nations in 1972: Depending on the emphasis, start with the city’s name as the subject or recast the sentence to emphasize the observance: â€Å"San Francisco will be the first North American city to host†; â€Å"World Environment Day, created in 1972 by the United Nations to stimulate awareness of the environment, will be celebrated in San Francisco, the first North American city to host the festivities.† 6. â€Å"Clearly organized, each tree receives its own entry in the book that includes its cultivation requirements, uses in its native land, historical anecdotes, and more.† Here, the writer credits each tree with being clearly organized, but the book is the subject, so make it the subject: â€Å"The book is clearly organized, and each tree receives its own entry, which includes its cultivation requirements, uses in its native land, historical anecdotes, and more.† 7. â€Å"Based on a play, you can see its theatrical, neatly formed vignettes unfolding right in front of you.† Art imitates life, and vice versa, but to my knowledge, I’m not based on a play: But it in this case, a movie is: â€Å"It’s based on a play, and you can see its theatrical, neatly formed vignettes unfolding right in front of you.† Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Grammar category, check our popular posts, or choose a related post below:Coordinating vs. Subordinating Conjunctions"Owing to" vs "Due to"5 Examples of Misplaced Modifiers

Reflections Assignment Example | Topics and Well Written Essays - 250 words - 2

Reflections - Assignment Example There are also other researches that have been recommended to be conducted in future about all the topics learned in the lecture. However, the lecture is quite wide thus lack of concentration could lead to an individual failing in the entire lecture. There are four projects that are presented in the transportation engineering lecture. The first one is travel behaviors that investigate the behaviors that individuals undertake in the course of their travelling. The second one is SUT RN, automated cars and finally in food deserts. Automated cars make it easier for individuals to drive than the manual cars. One of the engineering projects that I found interesting is automated cars. This topic is interesting since I was able to learn more about this self driving car. It is capable of fulfilling the capabilities of a manual car. I was interested in learning that this car is able to sense the surrounding environment and navigate without any human input. Overall, the lecture was an interesting one to learn. I was able to know new things and understand what happens in transportation engineering. The lecturer was able to ensure that all students understood what was being taught. In addition, the lecturer made the lecture more fun by ensuring that all students were thoroughly

Contemporary corporate governance issues Essay Example | Topics and Well Written Essays - 1500 words

Contemporary corporate governance issues - Essay Example This paper evaluates whether businesses exist solely for the benefit of its owners (shareholders or not). It goes further to look at the agency theory and other related matters as well as the challenges related to it and the need for alternative views and systems in businesses in the present era. Some decades ago, businesses were basically set up to generate wealth for the owners. This was a capitalist model that ensured that investors got the highest possible returns from their investments. Other concerns were kept to the barest minimum. Parkinson (1994) rightly judged by the events around him, that the â€Å"process of supervision and control [management] intended to ensure that the company’s management acts in accordance with the interest of its shareholders [owners]† Twenty years ago, this was a very acceptable standpoint that most people in society would seldom argue against. Wood & Welker (2011) identify a group of shareholders who arose in the 1970s with the view of ‘disciplining’ directors and restoring control of the true ownership of the organization to its owners. This group of people is described by Johnson, Scholes & Whittingon (2008) as pristine capitalists. With this background, there were two major questions: What should a firm do for its connected parties like its workers and suppliers. Are they just a means (in the absence of machinery) for the creation of wealth for these pristine capitalists? Secondly, if all directors were controlled solely by shareholders, what happens to their freewill and what can they do about the needs of other legitimate people connected to the organization in question. So with this, there were a lot of debates and scandals that forced the business community to take the agency theory a step further and incorporate other important and legitimate needs that organizations needed to honor to the larger society and to its connected parties. Need for The Agency Theory The popular Salomon V Salomon case laid the precedence for the separation of ownership and businesses. This has given right to the formation of limited liability companies around the globe that are distinct from their owners. However, to ensure that an entity acts and operates effectively and efficiently, there is the need for organization to employ directors and managers who will manage the supervisory and routine activities of a business respectively. This has led to the need for shareholders and owners to stand aside and transfer the running of their organizations to competent people who can run the organization. These people, often known as directors or managers act as agents of the owners and they need to seek the best for the organization. In doing this, the owners of organizations have to follow the agency theory which ensures: 1. Identification of legal provisions of the contract between the owning companies and joint ventures in line with the rules of the agency theory (which will be discussed later). 2. Accountability to owners (Hutzschenreuther, 2009). Thus national laws as well as articles of associations for the incorporation of the business guards the conduct of managers and directors. This is because these directors, known in Latin as fiduca (which means ‘trust’) and carries connotations of trust, good faith and honesty (Rahaim, 2005). This means that directors and managers need to avoid â€Å"self dealing† or â€Å"conflict of interest†. The idea of self-dealing refers to a situation where directors use their influence or knowledge in an organization to further their needs.

Power electornic lab2 Essay Example | Topics and Well Written Essays - 1250 words

Power electornic lab2 - Essay Example Transformers generally consist of two windings; primary and secondary as shown in the diagram below. If the primary windings consist of more turns than the secondary windings, the transformer is a step down transformer as the one shown below. Transformers with greater amounts of secondary windings than primary windings are known as step up transformers. Step down transformers are more common in industries where they are connected from the power grid to the households Transformers are also divided into two; high frequency and low frequency transformers. The low frequency transformers work best at 50/60 Hz while the high frequency transformers work best at 100 kHz. Each set of the devices posse’s advantages over the other in some situations. The low frequency transformer has low eddy current lose, lower stray capacitances and comparatively low antenna losses. On the other hand, the high frequency transformer has a lower magnetizing current meaning that it needs less inductance so that fewer turns fiord a larger gauge of copper wire. This minimizes copper losses. Deciding the best transformer relies on the costs and efficiency. Overall, the high frequency transformer is efficient while the low frequency transformer is less costly. Table 1.1 illustrates the difference between ideal and practical transformer. From the outset, it is conclusive that the ideal transformer doesn’t account for the losses in the circuit while the practical transformer does. The experiment included a single design calculation to determine the resistor needed for the power resistor. In the calculation, it was found that the value of the power resistor must exceed 30â„ ¦. This meant that the best resistor for the experiment was the 33â„ ¦ power resistor. The first lab question was about the meaning of load regulation. From research it was determined that voltage regulation is

Should genitically modified foods be labeled Research Paper

Should genitically modified foods be labeled - Research Paper Example Actually, a lot of food that we eat today contains genetically modified ingredients. Supporters of this technology claim that it benefits humanity because that it ensures and sustains food security around the world as the population increases. Genetic Engineering (GE) or Genetic Modification (GM) of food is an issue that has entered the mainstream media in a lot of countries. It is a fact that a lot of food that we eat today contains genetically modified ingredients and usually without our knowledge. Supporters of this technology maintain that it ensures and sustains food security around the world as the population increases (Caplan). There is no doubt that the science behind genetic engineering is improving. While biotechnology could be the wave of the future and genetically modified foods could really provide alternatives to help increase food production, there is a growing wave of concern from citizens, farmers and scientists who question the way the research is currently being ha ndled by a few large, profit-hungry corporations. That is, as well as scientific debates on the merits of genetically engineered food, there are equally, if not more important, debates on the potential danger on both human beings and the environment (Kass). Much of the concern people have about Genetic Engineering is due to the fact that it is a very young and untested technology and may not be the answer to the food shortage problem just yet. Similarly, crop uniformity, which the biotech firms are promoting, will reduce genetic diversity making them more vulnerable to disease and pests. This furthers the need for pesticides, which are created by the same companies creating and promoting genetically engineered crops. This leads to questions of the motives of corporations and countries who are using the plight of the developing world as a marketing strategy to gain acceptance of GE food as well as dependency upon it via intellectual property rights. That they are against any labeling or other precautionary steps and measures that countries may wish to take is of paramount concern. The reason that genetically engineered food could be dangerous is due to the lack of testing to ensure that extracting genes that perform an apparently useful function as part of that plant or animal is going to have the same effects if inserted into a totally unrelated species. It may be that in the long term, genetically modified food could provide us with benefits and be a safe alternative, but we cannot know that at this time due to the lack of safety testing. The testing that has been done is often to ensure that the crop grows. Yet, there has been less emphasis on testing the effects or testing the wider ecology and the associated impacts of this technology on humans and nature. Even if there has been some testing, the long-term effects to humans, animals and the environment are unknown. The full ramifications of modified genes mixing with unmodified ones are unknown (Caplan). T hus, genetically modified food may benefit us, but we cannot know that at this time because much needed testing has not been done and current studies point to dangers rather than benefits. However, a group of scientists in UK do claim that GE food may be safe, but they mention that the long-term effects are still unknown. Also, it should be noted that a lot of field tests that companies do

Interest Groups and Their Role in American Politics Research Paper

Interest Groups and Their Role in American Politics - Research Paper Example A particular example of an interest group is the organization SAGE (Service and Advocacy for Gay, Lesbian, Bisexual and Transgender Elders). . It is the largest and oldest organization in America devoted to promoting the welfare of LGBT senior citizens and make sure that their voices do not get lost in a cacophony of voices. SAGE formed itself in 1978 not only to deliver services to LGBT elders in New York City but also to push for policy reforms at the national level, and provides technical assistance to similarly-minded groups all over the country. It is not however a simple issue of sterile technical assistance. Considering the historical marginalization of LGBT communities and their susceptibility to the hate agenda of conservative groups, SAGE employs a radical organizing component as well (Reisch, 2005: 288) – that is to say, â€Å"the replacement of oppressive institutions, conditions, systems and practices with ones that reflect principles of justice, equity and respe ct for human diversity.† SAGE works in tandem with other organizations in order to further the shared goal. After all, theirs is a shared commitment towards addressing the needs and uplifting the well-being of LGBT elderly and pushing for equality and tolerance, regardless of age differences. It is through the consolidation of their voices that change can be sought and demands can be made to reform policies or introduce new ones. Coupled with this, SAGE is also following the strategy of pushing for their advocacy on three levels: city/local, state and federal level. This is a sound strategy in that it acknowledges that policy is generated in multiple fulcrums of power an if one is to push an agenda, then pressure tactics must be applied on the multiple fulcrums and not just one one. While interest groups are in theory a crucial component in any thriving democracy, many have criticized how some interest groups have created adverse effects in the American political terrain. Sust ein (1985: 29) writes: The dissatisfaction takes various forms, but many of the concerns have a common root in the problems produced by the existence of interest groups, or â€Å"factions†, and their influence over the political process. The scheme is challenged on the grounds that it allows powerful private organizations to block necessary government action; that the lawmaking process has been transformed into a series of accommodations among competing elites, and that the rise of a large bureaucracy exercising broad discretionary power has undermined original constitutional goals by circumventing the safeguards of separation

Taking a Stand Research Paper Example | Topics and Well Written Essays - 750 words

Taking a Stand - Research Paper Example This leaves students and lower level employees prone to bullying tactics such as being used as personal slaves by physicians or senior nurses ridicule and humiliate students in front of their colleagues and patients as well. Such bullying tactics differ with extremity depending on the organizational setup. There is a need for a moral agent within healthcare, among nurses since if this role is not fulfilled some of the detrimental effects include deflating of self-esteem which may disrupt their pursuit of the profession, low morale leading to employee turnover, absenteeism and low productivity affecting performance; all of which directly influence the success of the organization. Worse still, in some cases, the organization may end up incurring litigation fees, making out early retirement payouts, counseling fees for workers and compensation of workers. Therefore, it is apparent that individuals practicing nursing should take up the challenge of being the moral agent. Where they stand up and defend people being bullied, or if the one facing the bullying taking a firm stand regardless of the alienating position it leaves one in. It is unfortunate that there is no specific legal action open to majority of the bullying tactics present in the workplace. However, there are some laws under the Civil Rights Act and the Occupational Health and Safety Act that can be applied to certain scenarios if a protected class such as from a certain ethnicity is violated and if safety and healthful conditions are not met, respectively (Niles, 2012). As a moral advocate against aggression at the workplace, I would begin by informing fellow employees on the options open to them if they face any bullying. This would create a feeling of empowerment and confidence while carrying out their clinical duties and seeking knowledge from their seniors. Secondly, I would approach a senior physician and ask them to support my endeavor when I approach physicians to urge them to refrain from and w arn them about bullying through abuse of power or any other tactic. In order to get cooperation, I would educate the senior level nurses and physicians on the impact of bullying (Daly, Speedy and Jackson, 2003). By relaying this information, I believe it will create understanding on why it is important that any form of bullying be shunned and where one witnesses it, they should not tolerate it by merely standing by but instead rebuke the offender and support the victim. Thirdly, I would come up with a clear framework that defines what counts as bullying so as to avoid cases of misunderstanding. This would be contained in a document and placed in strategic positions within the hospital so that everyone can be informed and that no excuses of ignorance are allowed. Lastly and most importantly, I would encourage senior nurses to take up the role of mentors so as to support nursing students as this will not only benefit the students but will give them an opportunity to develop and nurtur e leadership skills, critical in advancing their careers (Randle, 2006). Concurrently, I would seek a concrete title that attracts attention from employees but does not deter low-level group from freely approaching me. This would ensure the position takes on a permanent standing within the organization, so that even upon my departure it continues

Interest Groups and Their Role in American Politics Research Paper

Interest Groups and Their Role in American Politics - Research Paper Example A particular example of an interest group is the organization SAGE (Service and Advocacy for Gay, Lesbian, Bisexual and Transgender Elders). . It is the largest and oldest organization in America devoted to promoting the welfare of LGBT senior citizens and make sure that their voices do not get lost in a cacophony of voices. SAGE formed itself in 1978 not only to deliver services to LGBT elders in New York City but also to push for policy reforms at the national level, and provides technical assistance to similarly-minded groups all over the country. It is not however a simple issue of sterile technical assistance. Considering the historical marginalization of LGBT communities and their susceptibility to the hate agenda of conservative groups, SAGE employs a radical organizing component as well (Reisch, 2005: 288) – that is to say, â€Å"the replacement of oppressive institutions, conditions, systems and practices with ones that reflect principles of justice, equity and respe ct for human diversity.† SAGE works in tandem with other organizations in order to further the shared goal. After all, theirs is a shared commitment towards addressing the needs and uplifting the well-being of LGBT elderly and pushing for equality and tolerance, regardless of age differences. It is through the consolidation of their voices that change can be sought and demands can be made to reform policies or introduce new ones. Coupled with this, SAGE is also following the strategy of pushing for their advocacy on three levels: city/local, state and federal level. This is a sound strategy in that it acknowledges that policy is generated in multiple fulcrums of power an if one is to push an agenda, then pressure tactics must be applied on the multiple fulcrums and not just one one. While interest groups are in theory a crucial component in any thriving democracy, many have criticized how some interest groups have created adverse effects in the American political terrain. Sust ein (1985: 29) writes: The dissatisfaction takes various forms, but many of the concerns have a common root in the problems produced by the existence of interest groups, or â€Å"factions†, and their influence over the political process. The scheme is challenged on the grounds that it allows powerful private organizations to block necessary government action; that the lawmaking process has been transformed into a series of accommodations among competing elites, and that the rise of a large bureaucracy exercising broad discretionary power has undermined original constitutional goals by circumventing the safeguards of separation

Art History (Michelangelo) Essay Example | Topics and Well Written Essays - 250 words

Art History (Michelangelo) - Essay Example The placing of David outside of the Florentine government created a symbol for freedom and protection for the residents of the city. Instead of portraying King David from the Scriptures after defeating Goliath, Michelangelo decided to show David before the great battle with Goliath. The slingshot hanging casually over his back show David’s fearlessness fulfilling Catholicism theory that David had God on his side. The muscle toned young man Michelangelo depicted was another portrayal of the heroic nude. The heroic nude of David could be considered as the strength of God through a human in this instance. Although a famous sculpture, David does have a flaw. The most noticeable flaw is the fact that David is uncircumcised. Michelangelo learned to draw nudes from the morgue of Florence, but probably never seen an unclothed Jewish man. Even if he did see an circumcised male, the questions of placing a circumcised male in view of the public would have been too controversial. David fulfilled a prideful purpose for the city of Florence. A strong looking Italian David stood guard over the government. The calmness in the statue’s face shows no fear in the face of an enemy. David reassured the Florentines no matter the other

Public Examination Should Not Be Abolished Essay Example for Free

Public Examination Should Not Be Abolished Essay While several states are implementing some form of standards-based reform, there is very little empirical evidence to prove that standards, assessment, and high-stakes accountability programs are effective in improving public schools. In many states, such as California, attempts to implement standards-based reform are inconsistently or carelessly aligned with quality research. The following are some of the shortcomings of standards-based reform. 1. Recent reports on the standards-based reform movement in New York suggest that in many schools the careless implementation of standards and assessment may have negative consequences for students. Vague and unclear standards in several subject areas in several states complicate matters and do not serve as concrete standards defining what students should know and be able to do. 3. Top-down standards imposed by the federal or state government are also problematic. They impose content specifications without taking into account the different needs, opportunities to learn, and skills that may be appropriate for specific districts or regions. Table 1: Advantages of SBA compared with external examinations Point Characteristics of SBA Characteristics of Exams Scope Extends the range and diversity of assessment collection opportunities, task types and assessors Much narrower range of assessment opportunities: less diverse assessment; one exam per year Authenticity Assessment done by students own teacher; less possibility of cheating as teacher knows student capabilities; assessments more likely to be realistic Removes assessment entirely from teaching and learning; stressful conditions may lead to students not demonstrating real capacities Validity Improves validity through assessing factors that cannot be included in public exam settings Limits validity by limiting scope of assessment, e. g. difficult to assess interaction skills in exam environment Reliability Improves reliability by having more than one assessment by a teacher who is familiar with the student; allows for multiple opportunities for assessor reflection/standardisation Even with double marking, examiners judgments can be affected by various factors (task difficulty, topic, interest level, tiredness, etc); little opportunity for assessor reflection / review Fairness Fairness is achieved by following commonly-agreed processes, outcomes and standards; teacher assumptions about students and their oral language levels is made explicit through collaborative sharing and discussion with other teachers Fairness can only be achieved by treating everyone the same, i. e. setting the same task at the same time for all students. Feedback Students can receive constructive feedback immediately after the assessment has finished, hence improving learning The only feedback is usually a grade at the end of the course; no opportunities for interaction with assessor; no chance to ask how to improve Positive washback (beneficial influence on teaching and learning) Ongoing assessment encourages students to work consistently; provides important data for evaluation of teaching and assessment practices in general Examination is purely summative, and does not serve any teaching-related purpose; effects on teaching and learning may even be negative; may encourage teaching to the test and a focus on exam technique, rather than outcomes. Teacher and student empowerment Teachers and students become part of the assessment process; collaboration and sharing of expertise take place within and across schools Teachers play little to no role in assessment of their students and have no opportunity to share their expertise or knowledge of their students; students treated as numbers Professional development Builds teacher assessment skills, which can be transferred to other areas of the curriculum Teachers have no opportunity to build their assessment skills; get little or no feedback on how to improve as teachers

Gold Strike, Relating To Cry, :: essays research papers

â€Å"Gold mining union plans one-day Free State strike† An article dated March 17, 2000   Ã‚  Ã‚  Ã‚  Ã‚  NUM, or South Africa’s National Union of Mineworkers, is organizing a one-day strike at Free State gold mines. They are protesting the poverty and job losses from the mines. NUM is the country’s biggest mining union with 50,000 members, and on March 22 the strike would affect five gold companies; AngloGold Ltd., Gold Fields Ltd., Harmony Gold Co., Avgold and African Rainbow Minerals. NUM spokesman Ikaneng Matlala didn’t say, however, how many members of the union would participate on the strike, but did say â€Å"All the gold mines in the Free State gold fields are going to embark on a strike.† The protest is against the gold mines because of the huge job losses in the last fifteen years. In 1987, gold, being the backbone of the economy, employed 530,000 miners. After the end of apartheid in 1994, South Africa’s economy was open to foreign competition, and the gold industry had to be restructured. The gold price has been decreasing as well, and today only 200,000 miners are employed. This current event relates to Alan Paton’s, Cry, the Beloved Country, because mining supported Johannesburg, and references were made to the mining industry throughout the book. Many characters voiced their opinion that it was the black men that economically supported the white men in South Africa, and they were diseased and injured by it. That they worked for cheap, were exposed to dangers, and then when they needed medical attention the non-European hospitals were less than inadequate. John Kumalo gave speeches on strikes against the gold mines. Gold was found in a new area, Odenaalrust, and the white men wanted to change the name because it was too hard to pronounce.

Madison vs. Marshall :: essays research papers

Before we start to take sides, we need to discuss the different point of views of Madison and Marshall. We have to understand that our political landscape during the birth of our nation was much different. The states, were not unified, and were made up of different and often conflicting interests. Along with factions fighting one another and making political progress impossible. As Madison, would describe faction as a number of citizens; whether it be a majority or minority whole, who were motivate by some common impulse of passion or of interest. This broad definition would include the interest groups who dominate the political landscape today.   Ã‚  Ã‚  Ã‚  Ã‚  In Madison’s work of Federalist No. 10, he identifies factions were a problem. He views them as â€Å"a dangerous vice†, but at the same time saw factions as a necessary evil. He mentions that â€Å"The regulation of these various and interfering interest forms the principal task of modern legislation; and involves the spirit of party and faction in the necessary and ordinary operations of government.† Here Madison states that factions, opposed in spirit to democratic ideals, spreading â€Å"unsteadiness and injustice† which are actually necessary for the function of a representative government. Throughout his paper, Madison explains how pure democracy wouldn’t be able to work, because it had â€Å"no cure for the mischief of faction.† He believed that this type of government will give so much power to the majority that it was doomed to fail. He sounded very confident that the new constitution would work. He believed of ha ving a representative and a republic system. He had no doubt in mind that new constitution would be the end of the states embarrassment to the world. Madison saw democracy not as an ideal but something that could be modified to be fitted.   Ã‚  Ã‚  Ã‚  Ã‚  Two hundreds years later Thurgood Marshall said that Constitution written by our Founding Fathers was a defect from the start. As he said the first three words of the Constitution says â€Å"We the People† was a flaw. At the time our Founding Fathers didn’t have in mind the majority of Americans. The only thing on their mind was the wealthy population. Also he states how some things they wrote wasn’t place in action years later. For example â€Å"all humans are created equal.† This was a defect; it took an amendment to make this in effect. But Madison did say he couldn’t foresee the future of the government to the effects it could have.

Hemingway vs. Faulkner writing styles

From the post Civil War era in which Faulkner was accustomed, to the early 1920s era of Hemingway ‘s short stories, both authors' focus remains on a similar topic. 0th authors were ealist writers who expressed their concern with the changes happening In America. However, the writing styles in which Hemingway used, compared to Faulkner, show many differences. By comparing the styles of Hemingway and Faulkner, readers find a contrast in the authors' use of sentence structure, word choice, and character development; but overall, they achieve a similar tone. In many of William Faulkner's short stories, such as â€Å"Barn Burning†, the sentence structure is complex; he describes vividly what Is happening by including small details about characters and setting others may find insignificant.Faulkner uses long, complex sentences that contain hyphens and colons to continue his Ideas throughout the sentence. In â€Å"Barn Burning†, Faulkner writes â€Å"Now he could hear h is father's stiff foot as it came down on the boards with clockwise finality, a sound out of all proportion to the displacement of the body it bored and which was no dwarfed either by the white door before it as though it had attained to a sort of vicious and ravening minimum not to be dwarfed by anything†¦ â€Å". Faulkner commonly uses great detail to describe even the simple sound of the father's faulty footsteps.Much of detail is unnecessary but adds effect to the sentence. Hemingway, compared to Faulkner, uses short sentences to complete his thoughts. His ideas are expressed bluntly, but the point is clear. Both authors use sentence structure to complete an overall tone in their writing. Both authors achieve a similar tone using sentence structure. Faulkner uses long, detailed sentences to add to the effect of his stories. Hemingway uses short, blunt statements to set the tone. Many of the two author's stories end with the same sad tone. The sentence structure the authors use can carry tone throughout his story as they wish.The word choice of an author determines how a reader interprets the story. William Faulkner uses more complex words than Ernest Hemingway. In Faulkner's stories, the words he chooses often are symbolic in a way. In â€Å"A Rose for Emily' Faulkner writes The word choice in the sentence sets a tone for the story. The word choice Faulkner uses often make up the complex sentences In his stones. HemlngwaVs word choice Is less complicated. His ideas are expressed bluntly through his words. It is easy for the reader to understand Hemingways stories without further interpretation. Hemingway vs.Faulkner writing styles By Icahoon Throughout time, individual authors have crafted varying writing styles that portray s short stories, both authors' focus remains on a similar topic. Both authors were realist writers who expressed their concern with the changes happening in America. vividly what is happening by including small details about cha racters and setting hyphens and colons to continue his ideas throughout the sentence. In â€Å"Barn † The often make up the complex sentences in his stories. Hemingway's word choice is less reader to understand Hemingway's stories without further interpretation.

History Special Needs Essay

The history of education for children with special educational needs in Ireland has been one of neglect and exclusion. However the past three decades have seen a shift in attitude and policy. A shift which, Professor Desmond Swan has described as a progression in three phases: the era of neglect and denial; the era of the special school; and the era of integration or inclusion . The right to education is recognised in Ireland under Article 42 of the Constitution. However, in 1993 The Special Education Review Committee (SERC) reported: â€Å"Ireland has a conspicuous lack of legislation governing much of education but particularly covering educational provision for students with special needs † During the 1990’s litigation in the sphere of education emerged as an important agent for change in special education. Since the landmark O’Donoghue judgement of1993, parents have sought the protection of the courts to give practical effect to a constitutional right to an education for their children with special educational needs and forced Government to give legislative effect to this right. Over the past ten years there have been a number of key legislative developments in education for people with special educational needs. A stated objective of the 1998 Education Act is â€Å"to give practical effect to the constitutional rights of children, including children who have a disability†. The Equal Status Act 2000 refers to education in relation to the policies of establishment regarding admissions, access to courses, access to any facility or benefit provided or any other condition of participation in the establishment. In suspected cases of discrimination recourse can be sought through the Office of Equality Investigations. The Education (Welfare) Act 2000 is to ensure school attendance. It provided for the establishment of a National Education Welfare Board. The objective of the Board is to ensure that all children attend a recognised school or otherwise receive a certain minimum education. It is Government policy to encourage the integration of pupils with disabilities into the mainstream education system. In a speech in the Dà ¡il in October 2003, Noel Dempsey, Minister for Education and Science signalled that the â€Å"education of children with special educational needs alongside those who do not have such needs has long been Government policy† . The Education for Persons with Special Educational Needs Act 2004 refers to inclusion rather than integration, and notes that â€Å"A child with special educational needs shall be educated in an inclusive environment with children who do not have such needs†¦ † The Act is specifically concerned with children who have special educational needs. It aims to enhance the rights of children with disabilities to avail of, and benefit from, an appropriate education. The Act sets up the National Council for Special Education and outlines the responsibilities of Special Education Needs Organisers. The Act also provides for a range of services which must be provided within a certain timeframe and in constant consultation with the parents / guardians of the student, including assessments, individual education plans and support services as well as providing for a process of mediation and appeals where needs are not met. Such developments might seem to suggest that the concept of inclusion has become embedded in legislation and in Irish Schools but there is still considerable confusion as to what constitutes government policy in relation to children with special needs. Education continues to be provided on a continuum that ranges from separate special schools for children with severe, moderate or mild intellectual disability to special classes within mainstream schools to inclusion within mainstream classes with appropriate support. The National Council for Special Education itself is charged with ensuring that â€Å"a continuum of special education provision is available as required in relation to each type of disability† Section 20(g)5. The debate on inclusion for children with disability has just begun in this country and there is still a very long way to go. The rapid pace of development and change in special education has been problematic. Students with special educational needs may not necessarily have their needs met by appropriately qualified staff. Resource teaching time may not be sufficient, new curricula need to be developed and the physical environment of the school may present a barrier to access.