Robinson Annulation Robinson Annulation is an useful organic reaction. This reaction is named after a British chemist Sir Robert Robinson. The term ’annulation ’stands for ’building a ring ’. In this reaction‚ the formation of α‚ β-unsaturated cyclic ketones from methl vinyl ketones and aldehyde or ketones takes place. Actually this reaction is a combination of two reactions. One is ’Michael Addition ’ and the other is ’Aldol Condensation ’. Robinson Annulation Mechanism In the first step
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Mill Ball Influences Output of Ball Mill Mill ball‚ as main materials for ball mill processing‚ is very important for improving output of ball mill. The quality of steel ball‚ the reasonable ratio and different mining conditions will all affect the output of ball mill. Grinding ballmanufacturers must know about these factors which affect the output of ball mill for the sake of customers. The use of steel ball is the core condition of ball mill processing. The more knowledge of casting ball proportion
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The Swiss Family Robinson by Johann Wyss The Swiss Family Robinson by Johann Wyss is a story about a family who are shipwrecked on an uninhabited island. The ship was being tossed by angry waves. The whole crew and captain had deserted their ship only to perish to the sea. The only ones remaining on board was the Robinson family. When the storm was over‚ they discussed about how to get to shore. After much thinking‚ they built a sort of raft big enough for the family
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The Heroic Journey of Jackie Robinson Program In this lecture about Jackie Robinson we were enlightened about not only Jackie Robinson and his history playing baseball for the Brooklyn Dodgers but also about the time period he lived in. When Jackie was first drafted‚ it was 1945 and the Brooklyn Dodgers decided to take on the first African American ball player. It was Branch Rickey who decided to take on the experiment of drafting an African American to an all white baseball team. During this
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Language of Robinson Crusoe Daniel Dafoe’s popular novel‚ originally titled The Life and Strange Surprizing Adventures of Robinson Crusoe‚ of York‚ Mariner: Who lived Eight and Twenty Years‚ all alone in an uninhabited Island on the Coast of America‚ near the Mouth of the Great River of Oroonoque; Having been cast on Shore by Shipwreck‚ wherein all the Men perished but himself. With an Account how he was at last as strangely deliver’d by Pyrates (iii)‚ like most classics underwent many editions
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Jackie Robinson is a hero to all. “He spent his entire life fighting for equality. He won some battles and lost others.” (Source 2) Although he lost his battle to health he left behind a profound legacy that today is still cherished and valued. He made a difference in Major League Baseball‚ which will never be forgotten. His choices and courage paved the way for almost every African American in major league sports today. He is a person who is respected in many ways. The people admired his courage
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colonization era and their audience were interested in these voyages to unknown lands‚ but these two authors show different points of view. First‚ Robinson Crusoe is written in the form of an autobiography‚ and seem to be a true story; on the contrary‚ Gulliver’s Travels is almost a fantasy tale. In “Robinson Crusoe” the relationship between a “civilized” man‚ Robinson‚ and a savage‚ Friday‚ is still a master-slave relationship: Friday is a "good savage"‚ but remains wild and linked to the tolerance of his
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ethnicity‚ religion‚ disability‚ age or other characteristics. In the case of Tom Robinson in How to Kill a Mockingbird he did not receive justice. Tom robinson was accused of physically and sexually assaulting a young woman‚ Miss Mayella Ewell. Atticus Finch (Tom Robinson’s lawyer) during the trail pointed out a few things that were evident and proved that Mr. Robinson’s innocence. Miss Ewell claims that Tom Robinson came into her house and suddenly jumped on her and attacked her‚ grabbed her
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MODEL ANSWER ON ‘THE HORSES’‚ by Edwin Muir ‘The Horses’‚ by Edwin Muir‚ is a poem which forced me to think about the unthinkable – the annihilation of humankind as a result of a nuclear war. Paradoxically‚ however‚ Muir seems to me to take an optimistic view of such an event. In my essay I intend to give a synopsis of the poem and discuss some of the techniques that Muir employs to get his message across. I will discuss his use of Biblical language and imagery‚ the structure of the poem‚ his
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story‚ to kill a Mockingbird‚ a man named Tom Robinson who is Accused of being guilty during the trial. Many characters could be picked in the story‚ to kill a Mockingbird‚ but Tom Robinson stood out the most to me. Tom Robinson was born in Maycomb‚ Alabama in 1935‚ he was 25 years old before death. I am going to explain how Tom Robinson acts as a mocking bird and why he deserves to be the mockingbird of the story. In the trial of Tom Robinson. There’s a quote that stands out in the case
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