Wednesday, May 6, 2020

Experimental Works on the Effects of Metal Forming Speed Free Essays

string(141) " the strains to be measured are normally really little, and in most instances the supplanting readings are hard to do with sufficient truth\." Chapter Four Experimental Plants 4.1 Introduction: This chapter will foreground the experimental work conducted to look into the consequence of metal organizing velocity on the backward-forward combined bulge procedure of polygonal and cylindrical cross subdivision cup saloon form components.. We will write a custom essay sample on Experimental Works on the Effects of Metal Forming Speed or any similar topic only for you Order Now Subsequently, an rating of the extrude specimens has been done to analyze the influence of the procedure on the emphasis distribution in lead specimens. The experimental process consisted of the followers: – Material choice for bulge dice, clouts and workpiece readying. Found. The chemical composings workpiece and for dice, clouts Design and fabrication of dice of the backward-forward bulge and types of Pistons used. Determination of the backward-forward bulge parametric quantities. Execution of the backward-forward bulge procedure. 4.2 Materials. 4.2.1 Choice of the work-piece: – The note stuff used in this survey for bulge procedure is ( 99.99 % ) commercially pure lead and its chemical composing listed in Table ( 4.3 ) . Lead can be used as a theoretical account for a figure of metals at different strain rates and temperatures because of similarities in footings of Stress-Strain curves. This is utile in the survey of flow metal in the forming procedure. Equally good as its ability to re-crystallization at room temperature its composing is similar to the hot forming procedure for steel which leads to the absence of strain hardening in this metal. Lord has yielded emphasis, which varies in sum between ( 6-8 MPa ) and the temperature runing point is ( 327 Â °C ) [ 10. Lead is a extremely dense, corrosion opposition and really soft ductile stuff. As shown in figure ( 4-1 ) , A grid has been printed in the forepart of the as shown in figure ( 4-2 ) . Tip for mensurating the supplantings of each point after distortion by the burden required for bulge. Figure ( 4-1 ) : the pure leadFigure ( 4-2 ) : he pure lead Before printed grid printed grid Properties of lead in item are given in table 4.1.The thermic belongingss of pure lead 99 % are as shown. Table 4.1Mechanical belongingss of lead from the documents Mechanical belongingss status Density 11300 kg/m3 298.15 K YoungaˆYs Modulus of Elasticity 16000MPa Poisson Ratio 0.44 Thermal Expansion Coefficient 29e-6 298.15 K Table 4.2 Thermal Properties from the documents 4.2.2 Determination of stuff belongingss In the present probe pure Lead ( 99 % pure ) is used as work stuff. Different belongingss of lead stuff like flow emphasis, clash factor, etc. are determined utilizing different compaction method. These belongingss are used in upper edge simulation utilizing FORTARN90. In compaction trial, a big sum of distortion can be achieved before break. 4.2.3 Compression trial This is the simplest compaction trials in which a cylinder compressed axially between smooth platens. This gives the same output emphasis at a tensile trial with little strains when home bases are good lubricated. Friction coefficient at the die face additions as the strain addition a specimen spreads out. From compaction trial we flow emphasis of the stuff can be determined. A lead solid cylinders with two halves 40mm diameter and 70mm length is compressed between good lubricated smooth home bases every bit good as in dry status to find the clash coefficient in greased and dry status both. Due to flux of material diameter additions as length lessenings. By turning operation excess stuff removed to acquire initial diameter. The trial is repeated three times and mean true emphasis vs. true strain graph is plotted from unit of ammunition note with cosine and taper dice are besides discussed in this subdivision. Specimens chemical composing proving 4.2.4 Chemical composing of the metal. The metal, which is used in this survey, is ( 99.99 % ) commercially pure lead. The chemical composings of this stuff as shown in listed in Fig 4.3which is found in the computing machine –controlled Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering, Rehabilitation ( SIER ) A ; BY Central Organization for standardisation and Quality Control as shown in listed in fig 4.4 Fig.4.3 the list of concentrations of elements found within the pure lead specimen Fig.4.4 the list of concentrations of elements found within the pure lead specimen. 4.3 Application of Grid The grid can be applied to the specimens by the followers: – Hand composing or scribing: The grids can be made on the specimens by manus or can be scribed by a crisp pointed acerate leaf. To cipher the strains in the specimen at all points each component of the grid will hold to be measured before and after striving. This method can be used for comparatively soft crystalline stuff like plastics. Machine scribing: Grid can be scribed by machine utilizing governing engines for level and cylindrical surfaces. The single elements in the grid may be indistinguishable and measurings need be made merely after striving. Machine scribed grids are used merely when trials are to be carried up to tear. Ink, pulling: Grid can be drawn with ink on theoretical accounts. The thickness of lines should be every bit little as possible to obtain more truth. Rubber togss: For soft, porous stuffs, thin gum elastic togss of 0.2mm diameter can be glued by latex and strain measurings may be made after lading. Photo grid method: Grid can be applied photographically by painting a light sensitive emulsion on the surface of the trial specimen, covering the surface with a maestro grid negative, exposing to strong visible radiation, and developing the end point print in the usual mode. 4.4 Procedure of work Grid method is one of the methods of strain analysis, which is whole field in nature. In order to find supplantings and strain constituents at given points of randomly shaped surfaces a grid can be engraved on the surface to be studied. This grid acts as a mention component and the alterations that the grid experiences from the undeformed to the distorted conditions can be utilized to find either supplantings or strains. Two troubles are encountered which limit the usage of grids for mensurating distortions ; foremost, the strains to be measured are normally really little, and in most instances the supplanting readings are hard to do with sufficient truth. You read "Experimental Works on the Effects of Metal Forming Speed" in category "Essay examples" This is peculiarly true in stress analysis. However, this method is really much suitable for the survey of distortion in stuffs. Second, when the exposure of the grid web are magnified by the microscope, the images of the grid lines are normally ill defined presenting appreciable mistakes into the displacement readings. This method has the advantages that a photographic record of distortions covers the full field of the specimen. This record can be obtained for either inactive, dynamic elastic or fictile distortions. The strain was measured straight. The distance between the grid lines on the theoretical account was measured by a microscope by maintaining the magnification of microscope same before and after extruded. However, the tried pure lead specimens exhibit extremely accurate consequences when the little elastic distortion can be ignored and merely fictile distortions are taken into consideration.to implement a grid of a known constellation upon the specimens.a computing machine –controlled CNC machine, which is operated and found in the Iraqi Ministry of Industry and Minerals –Engineering Qualification and Testing Affairs Division, is utilized in fig ( 4.6. ) Fig ( 4.6 ) the Computer –Controlled CNC Machine and, pure lead specimen with grid. 4.4.1 Description of the computer–controlled CNC machine: The grids require some experience to derive in order to manage the computer-controlled CNC machine easy, therefore the device is consisted of the following chief parts 1-The Operation-panel As shown in fig ( 4.7 ) . The operating panel for the computer-controlled CNC is responsible for all the plans ( run by the DOS operating system ) needed to put to death the machining procedure onto the workpiece and for organizing scenes. Fig ( 4.7 ) The Operation-panel 2-Machining tool: As shown in fig ( 4.8 ) , The CNC MACHINE has some jaw where the machining tool can be fixed, and this is directed by utilizing the co-ordinate scenes found in the operation panel in order to get at the needed machining operation. Fig ( 4.8 ) of Machining tool Pure lead specimen requires some surface finish skyline trial to accomplish before grid execution processes a machining tool that is attached to a dial gage holding an truth about 1img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1585517.002.png". The grid method was used to cipher the supplanting in the X-axis ( u ) and in Y–axis ( V ) . The dimensions of the grid were ( 70 mm?40 millimeter ) and the length of the square is ( 2mm ) as shown in figure ( 4-9 ) . Fig ( 4-9 ) the scan of pure lead specimen after The grid was photographed before and after backward-forward bulge of the pure lead specimens and the measurings of the supplantings was taken by microscope so scan it for all the specimens. Then the strains at the surface squares gird were calculated in the specimen the strains in the specimen at all points each component of the grid will hold to be measured before and after striving. Finally, the consequences and different boundary conditions were compared with upper edge solution consequences The grid was photographic before and after the rhythm of the sample and the measurings of the supplantings was taken by microscope for all the samples In add-on to the usage of the plan compared to the knock -dimensional images Photography are taken before and after distortion and compare the consequences with theoretical consequences as shown in fig ( 4.10 ) for some specimens before and after bulge Fig ( 4.10 ) shown The specimens of lead after bulge with hexangular clout Fig ( 4.11 ) shown The specimens after bulge with round clout Fig ( 4.12 ) The some specimens after bulge 4.5 The experimental work: – Experimental surveies are carried out with a position to compare the experimental consequences with the theoretical 1s obtain from proposed method of analysis, and upper edge method are carried out from commercially machine available for bulge of The dice with cone angle of ( 120 ) and polygonal clouts ( hexangular ) .the machine have three regardful velocity to compression the stuff at ( 0.002,0.00 3,0.004 ) m/s which are used in our survey, Three decrease countries of dies ( 30 % , 0.50 % , ) are used a cylindrical and hexangular Piston diameters of 40 millimeters and 30 millimeter as shown Fig ( 4-8 ) , crown out of the metal and a diameter of 25mm,15 millimeters and 10mm slots so have been a rounding each diameters of the Pistons. Experiments are done for both backward-forward bulge procedure. Commercially available lead is used for workpecies experiment when used low metal steel for organizing dice of the backward-forward bulge procedure. An bulge apparatus for laboratory experi mentation is designed and the chief of the of the backward-forward bulge theoretical account, consists of four parts ; viz. , the container holding a round chamber, the squeeze outing clout, bulge dice holder and the back uping block for the assembly. Fig ( 4.13 ) shown hexangular clout and round clout 4.6 Die design and fabrication The sets of backward – frontward bulge dice ( at three different per centum country decrease ( 0.30,0.50 ) % . ) , are employed for experimentation.by two allow diameter dice 15mm, 25mm with bulge procedure lead, and a cylindrical Piston diameters of 40 millimeters and 35 millimeter and 30 millimeters piston hexangular diameters of 40 millimeters and 35 millimeter and 30 millimeter and for present analysis. The inside informations of the bulge dies are presented in Figures ( 4.12 ) A ; ( 4.13 ) . Fig ( 4-14 ) OF The parts of dice Fig ( 4-15 ) OF The parts of dice Have been utilizing AUTO-CAD plan for die design as shown in fig ( 4-10 ) and so was manufactured by the workshops of the Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering, Rehabilitation ( SIER ) utilizing this operating machine and lathe in add-on to making high- preciseness surface about 0.51?m after it has been carry oning minutess Calories appropriate for the templet and before used. Fig ( 4-16 ) dicedesign by AUTO-CAD plan Figure ( 4-17 ) OF The some parts of dice after design Figure ( 4-18 ) OF The some parts of the dice after fabrication and surface coating operations 4.7 Chemical composing of the metal of the dice parts. The metal, which is used in this survey, commercially low metal steel. The chemical composings of this stuff as shown in listed in Fig ( 4.-16 ) which is found in the computing machine –controlled Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering Rehabilitation ( SIER ) Figure 4.19 the list of concentrations of elements found within low metal steel used to decease 1 How to cite Experimental Works on the Effects of Metal Forming Speed, Essay examples

Experimental Works on the Effects of Metal Forming Speed Free Essays

string(141) " the strains to be measured are normally really little, and in most instances the supplanting readings are hard to do with sufficient truth\." Chapter Four Experimental Plants 4.1 Introduction: This chapter will foreground the experimental work conducted to look into the consequence of metal organizing velocity on the backward-forward combined bulge procedure of polygonal and cylindrical cross subdivision cup saloon form components.. We will write a custom essay sample on Experimental Works on the Effects of Metal Forming Speed or any similar topic only for you Order Now Subsequently, an rating of the extrude specimens has been done to analyze the influence of the procedure on the emphasis distribution in lead specimens. The experimental process consisted of the followers: – Material choice for bulge dice, clouts and workpiece readying. Found. The chemical composings workpiece and for dice, clouts Design and fabrication of dice of the backward-forward bulge and types of Pistons used. Determination of the backward-forward bulge parametric quantities. Execution of the backward-forward bulge procedure. 4.2 Materials. 4.2.1 Choice of the work-piece: – The note stuff used in this survey for bulge procedure is ( 99.99 % ) commercially pure lead and its chemical composing listed in Table ( 4.3 ) . Lead can be used as a theoretical account for a figure of metals at different strain rates and temperatures because of similarities in footings of Stress-Strain curves. This is utile in the survey of flow metal in the forming procedure. Equally good as its ability to re-crystallization at room temperature its composing is similar to the hot forming procedure for steel which leads to the absence of strain hardening in this metal. Lord has yielded emphasis, which varies in sum between ( 6-8 MPa ) and the temperature runing point is ( 327 Â °C ) [ 10. Lead is a extremely dense, corrosion opposition and really soft ductile stuff. As shown in figure ( 4-1 ) , A grid has been printed in the forepart of the as shown in figure ( 4-2 ) . Tip for mensurating the supplantings of each point after distortion by the burden required for bulge. Figure ( 4-1 ) : the pure leadFigure ( 4-2 ) : he pure lead Before printed grid printed grid Properties of lead in item are given in table 4.1.The thermic belongingss of pure lead 99 % are as shown. Table 4.1Mechanical belongingss of lead from the documents Mechanical belongingss status Density 11300 kg/m3 298.15 K YoungaˆYs Modulus of Elasticity 16000MPa Poisson Ratio 0.44 Thermal Expansion Coefficient 29e-6 298.15 K Table 4.2 Thermal Properties from the documents 4.2.2 Determination of stuff belongingss In the present probe pure Lead ( 99 % pure ) is used as work stuff. Different belongingss of lead stuff like flow emphasis, clash factor, etc. are determined utilizing different compaction method. These belongingss are used in upper edge simulation utilizing FORTARN90. In compaction trial, a big sum of distortion can be achieved before break. 4.2.3 Compression trial This is the simplest compaction trials in which a cylinder compressed axially between smooth platens. This gives the same output emphasis at a tensile trial with little strains when home bases are good lubricated. Friction coefficient at the die face additions as the strain addition a specimen spreads out. From compaction trial we flow emphasis of the stuff can be determined. A lead solid cylinders with two halves 40mm diameter and 70mm length is compressed between good lubricated smooth home bases every bit good as in dry status to find the clash coefficient in greased and dry status both. Due to flux of material diameter additions as length lessenings. By turning operation excess stuff removed to acquire initial diameter. The trial is repeated three times and mean true emphasis vs. true strain graph is plotted from unit of ammunition note with cosine and taper dice are besides discussed in this subdivision. Specimens chemical composing proving 4.2.4 Chemical composing of the metal. The metal, which is used in this survey, is ( 99.99 % ) commercially pure lead. The chemical composings of this stuff as shown in listed in Fig 4.3which is found in the computing machine –controlled Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering, Rehabilitation ( SIER ) A ; BY Central Organization for standardisation and Quality Control as shown in listed in fig 4.4 Fig.4.3 the list of concentrations of elements found within the pure lead specimen Fig.4.4 the list of concentrations of elements found within the pure lead specimen. 4.3 Application of Grid The grid can be applied to the specimens by the followers: – Hand composing or scribing: The grids can be made on the specimens by manus or can be scribed by a crisp pointed acerate leaf. To cipher the strains in the specimen at all points each component of the grid will hold to be measured before and after striving. This method can be used for comparatively soft crystalline stuff like plastics. Machine scribing: Grid can be scribed by machine utilizing governing engines for level and cylindrical surfaces. The single elements in the grid may be indistinguishable and measurings need be made merely after striving. Machine scribed grids are used merely when trials are to be carried up to tear. Ink, pulling: Grid can be drawn with ink on theoretical accounts. The thickness of lines should be every bit little as possible to obtain more truth. Rubber togss: For soft, porous stuffs, thin gum elastic togss of 0.2mm diameter can be glued by latex and strain measurings may be made after lading. Photo grid method: Grid can be applied photographically by painting a light sensitive emulsion on the surface of the trial specimen, covering the surface with a maestro grid negative, exposing to strong visible radiation, and developing the end point print in the usual mode. 4.4 Procedure of work Grid method is one of the methods of strain analysis, which is whole field in nature. In order to find supplantings and strain constituents at given points of randomly shaped surfaces a grid can be engraved on the surface to be studied. This grid acts as a mention component and the alterations that the grid experiences from the undeformed to the distorted conditions can be utilized to find either supplantings or strains. Two troubles are encountered which limit the usage of grids for mensurating distortions ; foremost, the strains to be measured are normally really little, and in most instances the supplanting readings are hard to do with sufficient truth. You read "Experimental Works on the Effects of Metal Forming Speed" in category "Essay examples" This is peculiarly true in stress analysis. However, this method is really much suitable for the survey of distortion in stuffs. Second, when the exposure of the grid web are magnified by the microscope, the images of the grid lines are normally ill defined presenting appreciable mistakes into the displacement readings. This method has the advantages that a photographic record of distortions covers the full field of the specimen. This record can be obtained for either inactive, dynamic elastic or fictile distortions. The strain was measured straight. The distance between the grid lines on the theoretical account was measured by a microscope by maintaining the magnification of microscope same before and after extruded. However, the tried pure lead specimens exhibit extremely accurate consequences when the little elastic distortion can be ignored and merely fictile distortions are taken into consideration.to implement a grid of a known constellation upon the specimens.a computing machine –controlled CNC machine, which is operated and found in the Iraqi Ministry of Industry and Minerals –Engineering Qualification and Testing Affairs Division, is utilized in fig ( 4.6. ) Fig ( 4.6 ) the Computer –Controlled CNC Machine and, pure lead specimen with grid. 4.4.1 Description of the computer–controlled CNC machine: The grids require some experience to derive in order to manage the computer-controlled CNC machine easy, therefore the device is consisted of the following chief parts 1-The Operation-panel As shown in fig ( 4.7 ) . The operating panel for the computer-controlled CNC is responsible for all the plans ( run by the DOS operating system ) needed to put to death the machining procedure onto the workpiece and for organizing scenes. Fig ( 4.7 ) The Operation-panel 2-Machining tool: As shown in fig ( 4.8 ) , The CNC MACHINE has some jaw where the machining tool can be fixed, and this is directed by utilizing the co-ordinate scenes found in the operation panel in order to get at the needed machining operation. Fig ( 4.8 ) of Machining tool Pure lead specimen requires some surface finish skyline trial to accomplish before grid execution processes a machining tool that is attached to a dial gage holding an truth about 1img alt="" src="https://s3-eu-west-1.amazonaws.com/aaimagestore/essays/1585517.002.png". The grid method was used to cipher the supplanting in the X-axis ( u ) and in Y–axis ( V ) . The dimensions of the grid were ( 70 mm?40 millimeter ) and the length of the square is ( 2mm ) as shown in figure ( 4-9 ) . Fig ( 4-9 ) the scan of pure lead specimen after The grid was photographed before and after backward-forward bulge of the pure lead specimens and the measurings of the supplantings was taken by microscope so scan it for all the specimens. Then the strains at the surface squares gird were calculated in the specimen the strains in the specimen at all points each component of the grid will hold to be measured before and after striving. Finally, the consequences and different boundary conditions were compared with upper edge solution consequences The grid was photographic before and after the rhythm of the sample and the measurings of the supplantings was taken by microscope for all the samples In add-on to the usage of the plan compared to the knock -dimensional images Photography are taken before and after distortion and compare the consequences with theoretical consequences as shown in fig ( 4.10 ) for some specimens before and after bulge Fig ( 4.10 ) shown The specimens of lead after bulge with hexangular clout Fig ( 4.11 ) shown The specimens after bulge with round clout Fig ( 4.12 ) The some specimens after bulge 4.5 The experimental work: – Experimental surveies are carried out with a position to compare the experimental consequences with the theoretical 1s obtain from proposed method of analysis, and upper edge method are carried out from commercially machine available for bulge of The dice with cone angle of ( 120 ) and polygonal clouts ( hexangular ) .the machine have three regardful velocity to compression the stuff at ( 0.002,0.00 3,0.004 ) m/s which are used in our survey, Three decrease countries of dies ( 30 % , 0.50 % , ) are used a cylindrical and hexangular Piston diameters of 40 millimeters and 30 millimeter as shown Fig ( 4-8 ) , crown out of the metal and a diameter of 25mm,15 millimeters and 10mm slots so have been a rounding each diameters of the Pistons. Experiments are done for both backward-forward bulge procedure. Commercially available lead is used for workpecies experiment when used low metal steel for organizing dice of the backward-forward bulge procedure. An bulge apparatus for laboratory experi mentation is designed and the chief of the of the backward-forward bulge theoretical account, consists of four parts ; viz. , the container holding a round chamber, the squeeze outing clout, bulge dice holder and the back uping block for the assembly. Fig ( 4.13 ) shown hexangular clout and round clout 4.6 Die design and fabrication The sets of backward – frontward bulge dice ( at three different per centum country decrease ( 0.30,0.50 ) % . ) , are employed for experimentation.by two allow diameter dice 15mm, 25mm with bulge procedure lead, and a cylindrical Piston diameters of 40 millimeters and 35 millimeter and 30 millimeters piston hexangular diameters of 40 millimeters and 35 millimeter and 30 millimeter and for present analysis. The inside informations of the bulge dies are presented in Figures ( 4.12 ) A ; ( 4.13 ) . Fig ( 4-14 ) OF The parts of dice Fig ( 4-15 ) OF The parts of dice Have been utilizing AUTO-CAD plan for die design as shown in fig ( 4-10 ) and so was manufactured by the workshops of the Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering, Rehabilitation ( SIER ) utilizing this operating machine and lathe in add-on to making high- preciseness surface about 0.51?m after it has been carry oning minutess Calories appropriate for the templet and before used. Fig ( 4-16 ) dicedesign by AUTO-CAD plan Figure ( 4-17 ) OF The some parts of dice after design Figure ( 4-18 ) OF The some parts of the dice after fabrication and surface coating operations 4.7 Chemical composing of the metal of the dice parts. The metal, which is used in this survey, commercially low metal steel. The chemical composings of this stuff as shown in listed in Fig ( 4.-16 ) which is found in the computing machine –controlled Iraqi Ministry of Industry and Minerals The State Company for Inspection A ; Engineering Rehabilitation ( SIER ) Figure 4.19 the list of concentrations of elements found within low metal steel used to decease 1 How to cite Experimental Works on the Effects of Metal Forming Speed, Essay examples

Wednesday, April 29, 2020

Picture Of Dorian Gray Essays - English-language Films,

Picture Of Dorian Gray I believe a great deal of thought went into the writing of this book. It is very detailed and in addition, it is very hard to sustain an allegory throughout. The Picture of Dorian Gray has many thought provoking phrases and paragraphs. There are many different literary techniques used such as foreshadowing in the first two chapters in very subtle undertones. Also used was a great amount of detail, which sets the mood for certain scenes, such as when, during the painting of Dorian Gray's portrait, Dorian and Lord Henry Wotton go into Basil Hallward's garden and converse. The author wrote the book as an attack on the British Aristocracy. It shows how the upper-crust citizen cared about what showed on the outside and that they wanted to stay ignorant to their souls. There are many, many hints as to this meaning in the book, for example: Lord Henry's line in paragraph 15 of page 206, " I admit that I think it is better to be beautiful than to be good." It explains how vain he was. I believe his character was made so utterly absurd to represent the entire upper class of contemporary London. Even the personal meaning of the corruption of Dorian Gray comes down to this one point. Since the masterpiece took all of the wrinkles, lines, and decay from Dorian Gray, he kept his youthfulness. This is what every upper-classed person would have loved... eternal outer beauty. This actually saved his life, in reference to James Vane and his revenge. Then, when he realized how horrible he had become, he ended his own life. The whole reason James Vane went after Dorian Gray was because of his sister, Sibyl. I felt horribly disgusted over Dorian's outburst at Sibyl Vane on her last night. He was in love with her acting, not her, and since she couldn't play a fake lover, because she knew what real love felt like, he became ashamed even to know her and he did the only thing that he thought of. Another aspect of the book is Carpe- Diem: to seize the day. After the portrait began to change, Dorian Gray only wanted to have fun... no matter what the consequences. I have to be honest, I had a very hard time with this book in the beginning, which is stressed in my journal. Later on, certain things came into focus and I caught on. In other words, I saw the light. I was trying too hard in the beginning, and I looked at in the wrong "light"... both the book and the portrait. At first, I was confused, I didn't know what the author was trying to say and it frustrated me. I was trying to find the meaning of the portrait's changing, and how it fit in with a story about a man named Dorian Gray. On one level, I realized the portrait was of his other side, his soul, just as his persona represented the outer trappings of the British high society and, in another light, the portrait represented the inner realism and decay of their culture. His death meant a great deal to the story, because he finally realized his sins. He saw the horrible things that were happening to people who were around him, and he understood that all their problems/deaths could be ascribed to him. He got a true sense of his conscience, and he knew what he had to do. That relates to the ending of the Victorian Era because British society as a whole broke off some of its false veneer.

Friday, March 20, 2020

Tale of two cities review Essays

Tale of two cities review Essays Tale of two cities review Essay Tale of two cities review Essay Essay Topic: Tale Of Two Cities Lucie also shows love award Sydney Carton, the man who has a secret love for her. Dissimilar to actually being born, rebirth has more to do with rejuvenation and Dickens portrays it to be nothing like an actual birth in A Tale of Two Cities. Dickens Justifies that both Doctor Nanette and Carton are worthy and deserving of a second chance because, deep down they are good people. The Doctor earns his rebirth when he shows that he has the strength to set aside his shoemakers and the negative attitude associated with it. Carton shows that he is a good man in chapter 13 when he opens up to Lucie reiterating that he only wants her to be happy. So in the end, despite all that is going on Lucie leads these two men to resurrection. After Doctor Nanette was set free from the Pastille following his 18 year imprisonment, he was so mentally fried he could only occupy himself with shoemakers and could only utter the words, one-hundred and five north tower. Dickens has clearly told us that the Doctors time in captivity has driven him mad. The Doctor is rescued by Monsieur Defanged, the wine shop owner, and delivered to his, long lost daughter, Lucie, his recovery is not immediate and he continues to be in a state of mental half consciousness. Dickens portrays Lucie as an affectionate caring character through how she is describe and also how other characters feel about her. His eyes rested on a short, slight, pretty figure, a quantity of golden hair [and] a pair of blue eyes that met his own. From the mere description of her the reader gets a clear picture of a caring and kind lady. Mr Lorry thoughts on Lucie also add to her caring aura, As his eyes rested on these things, a sudden vivid likeness passed before him of a child whom he had held in his arms. Being compared to a child gives the reader a sense that Lucie can do no intentional ring so is an innocent being. Despite the fact that Doctor Mandates resurrection is not something that happens immediately, Lucres love for him is clear from the moment they first meet. This is evident right away in chapter 6 when Lucie first lays eyes on her father and tells him that, the agony is over have come here to take you from it from you. This is where Lucres part in the rebirth starts because it affirms to the reader that this character will do all she can to help the Doctor recover. When Doctor Nanette returns to England he has a gradual return to sanity, so much o he is able to speak well at Charles Darns trial. Eventually we are alerted to Doctor Nanette freeing himself from his mental shackles, No garret, no shoemakers, no one Hundred Ana I eve, Norton lower, now! He Ana accomplish e n a ten task en Ana set himself. The reader can infer that Doctor Nanette is now fully sane again but, while Lucie continues to love her father, Sydney Carton presents his dilemma to Lucie. Lucie would do anything to help a dear friend like Sydney Just as she had with her father. One night Carton stops by the Nanette residence and has a talk with Lucie. Carton essentially expresses his love for Lucie and the sorrows of his life. At one point Lucie interjects, can I not recall you too better course? Can I in no way repay your confidence? This gives the impression that it is Lucie who wants to give Carton a second bite at the cherry. Lucie uses a mixture of love and sympathy to guide Carton toward rebirth and Dickens later shows the profound affect she has had on him. He was so unlike what he had ever shown himself to be, and it was so sad to think how much he had thrown away. Cartons change in tone proves stark contrast o how he was portrayed at the beginning of the novel which was as a drunken low life who didnt think much of himself. Early on in the book this picture is painted when Darned comments to him, l think you have been drinking, Mr Carton. To this, Carton responds Think? You know I have been drinking. I am a disappointed drudge, sir. I care for no man on earth and no man on earth cares for me. Lucie later says to Carton, l entreated you to believe again and again, most fervently, with all my heart, was capable of better things, Mr Carton! This shows that Carton was saved because of Lucres continuing belief in him. Both Doctor Nanette and Sydney Carton were resurrected by Lucie Mandates constant love and kindness. Lucie Saves the Doctor through her love and care while it is her belief and love shown towards Sydney that saves him. The characters in A Tale of Two Cities have a greater impact on each others lives than they themselves realize and resurrection is one of the recurring themes in this novel. Dickens shows the power of love to oppose the war going on in France. Resurrection is a well thought out theme in A Tale of Two Cities because without it the characters and indeed society would perish.

Wednesday, March 4, 2020

Printable Chemistry Quiz - Atom Basics

Printable Chemistry Quiz - Atom Basics This is a multiple choice chemistry quiz on atoms that you may take online or print. You may wish to review atomic theory before taking this quiz. A self-grading online version of this quiz is available, too. TIP:To view this exercise without ads, click on print this page. The three basic components of an atom are:(a) protons, neutrons, and ions(b) protons, neutrons, and electrons(c) protons, neutrinos, and ions(d) protium, deuterium, and tritiumAn element is determined by the number of:(a) atoms(b) electrons(c) neutrons(d) protonsThe nucleus of an atom consists of:(a) electrons(b) neutrons(c) protons and neutrons(d) protons, neutrons, and electronsA single proton has what electrical charge?(a) no charge(b) positive charge(c) negative charge(d) either a positive or negative chargeWhich particles have approximately the same size and mass as each other?(a) neutrons and electrons(b) electrons and protons(c) protons and neutrons(d) none - they are all very different in size and massWhich two particles would be attracted to each other?(a) electrons and neutrons(b) electrons and protons(c) protons and neutrons(d) all particles are attracted to each otherThe atomic number of an atom is:(a) the number of electrons(b) the number of neutrons(c) the number of pro tons(d) the number of protons plus the number of neutrons Changing the number of neutrons of an atom changes its:(a) isotope(b) element(c) ion(d) chargeWhen you change the number of electrons on an atom, you produce a different:(a) isotope(b) ion(c) element(d) atomic massAccording to atomic theory, electrons are usually found:(a) in the atomic nucleus(b) outside the nucleus, yet very near it because they are attracted to the protons(c) outside the nucleus and often far from it - most of an atoms volume is its electron cloud(d) either in the nucleus or around it - electrons are readily found anywhere in an atom Answers: 1 b, 2 d, 3 c, 4 b, 5 c, 6 b, 7 c, 8 a, 9 b, 10 c

Monday, February 17, 2020

Food safety issues and Outbreaks in Americas Food Supply Research Paper

Food safety issues and Outbreaks in Americas Food Supply - Research Paper Example Among the steps are the procurement of farm inputs, production process, manufacturing practices, retailing practices and all these processes have the capability of determining quality of food which in turn affects the health of the consumers. The food chain thus provides the best platform in which the safety of food for consumption can be managed properly and efficiently. An effective risk management practice is thus required in order to protect the consumers from developing health complications that arise from food consumption. Ensuring food safety to protect the public health and promote economic development remains a challenge to America due to variety of food produced in their country. Considerable progress has been achieved to strengthen food safety programs with most emphasis given to ways of preventing foodborne diseases. Foodborne risk in humans can arise due to biological, chemical and physical causes both of which are equally dangerous to human health. In the past few decad es, risk management, risk assessment, risk management and communication have been advanced to help tackle new challenges which arise from food insecurity. Health trends Many nations are realizing the human health and monetary burden that foodborne diseases pose to their economy. in the United States, foodborne diseases results to about 76 million illness and over 300, 000 hospitalizations leading to about 5000 deaths every year (WHO, 2005). The research service in the U.S.A department of agriculture consumes over 7billion Dollars annually in the research of foodborne diseases caused by Campylobacter, Salmonella, Escherichia and Listeria. Food safety is thus a matter of public concern in most counties due to deaths and economic burden it causes in the long run (WHO, 2005). Eating disorders is also a major problem related to food safety issues since most people lack proper eating habits in their diets. Eating disorders usually stars when the child is young especially at elementary sch ool level and they may proceed into adulthood resulting into health-related problems (Stanfield, 2010). Among the eating disorders are Anorexia nervosa, Bulimia nervosa among others and they have negative effects to humans and thus should be avoided at whatever costs. People should prescribe to health practitioners to guide them on proper diets so that they evade unhealthy eating habits which have negative consequences. Improper eating habits are largely contributed by the sedentary lifestyle of most Americans leading to decreased energy needs and improper BMR conditions. Improper consumption of more calories than expected results in to obesity hence it is prudent if people realize that obesity is caused by overconsumption of calories and not fattening foods. Eating a balanced diet of moderate proportions coupled with regular exercise is important in maintaining right energy balance required by the body (Stanfield, 2010). Changing food safety environment The link between the hazards and in food and the potential of causing illness is sometimes hard to establish and requires advanced scientific knowledge in health-related issues. Challenges still pose major threat to food safety in America due to technical hitches that arise form ever-changing environment. International trade agreements developed under the world trade organizations under the WHO emphasize the need for regulations governing food supply.

Monday, February 3, 2020

Management Essay Example | Topics and Well Written Essays - 1500 words - 4

Management - Essay Example The bank offers a wide range of banking services responding to the needs of individuals, businesses and corporations. The bank is going to enter the Brazilian market. A branch of the firm will open in Brazil. The relevant project will be completed by the end of the year. The employees will be mainly nationals who will be appropriately trained by Australians on the bank’s services and products. The aim of the organization is to continuously develop its customer relationships and its employee relationships (Westpac 2011). Moreover, the bank aims to ‘be a leader in the community’ (Westpac 2011). Current report aims to present the issues that managers in Westpac should take into consideration before the bank enters the Brazilian market. The Hofstede’s Cultural Dimensions model and a SWOT analysis have been employed for presenting the characteristics of the environment in which the specific initiative will be attempted. 2.0 Political Environment 2.1 Government s tability The current president of Brazil, Dilma Rousseff, has been the first woman president in Brazil ever. The last elections were held in October 2010. The country is characterized by political stability. During the presidency of the country’s previous president, President Lula, the quality of life of people in Brazil was improved (BBC News 2011). 2.2 Government and contribution The country’s government tries to keep good relations with other states; recently an agreement was developed between Brazil and Germany for the promotion of bilateral partnership and innovation (Federative Republic of Brazil 2011). The last years the Brazilian government tries to improve the quality of life of people and the limitation of poverty (BBC News 2011). 2.3 Analysis Local authorities will provide to Westpac the necessary support, a fact critical for the successful entrance of the bank in the Brazilian market. 3.0 Legal Environment 3.1 Regulatory framework The most important legisla tive text of the country is the Constitution. At the next level, supplementary laws have the power to regulate important issues; ordinary and delegated laws follow these laws. At the bottom of the hierarchy of laws in Brazil are the legislative decrees (Brazil Government 2011). 3.2 Business laws The Constitution of the country is used, along with the Taxation law, as described above, for regulating business activities across Brazil. The new Civil Code Law 10.406 is the main legislative text regulating the activities of businesses in Brazil (Nogueira 2004). The Law No. 9279/ 1996 is also used in cases that conflicts appear on Industrial property (Brazil Government 2011). 3.3 Labour laws The key legal texts regulating the labor in Brazil is the Federal Constitution of 1988 along with the Consolidation of Labor Laws (C.L.T.) (Brazil Government 2011). 3.4 Taxation laws Taxation in Brazil is regulated by the Federal Constitution (Title VI); additionally, the Law 5.172 (National Tax Code) is applied for any potential issue, which is not regulated by the Constitution (Brazil Governmen