Diels-Alder Reaction: Synthesis of cis-Norbornene-5‚ 6-endo-dicarboxylic anhydride Introduction: The Diels-Alder reaction is a [4+2] cycloaddition of a conjugated diene and a dienophile. This type of reaction was named for Otto Diels and Kurt Alder who were the first to investigate this reaction (Weldegirma‚ 2012). The Diels- Alder reaction is one of the most important reactions in all of organic chemistry because of the applicability of it. This reaction can form new carbon-carbon
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FORM ACTIVE STRUCTURAL SYSTEMS INTRODUCTION: A tension structure or tensile structure is a structure that is characterized by a tensioning of the fabric or pliable material system to provide the critical structural support to the structure. Tension structure utilize technical fabric roof membranes‚ a combination of catenaries cables and clamping systems‚ and a minimal amount of framing to create proportionally lightweight structures capable of spanning great distances. A.TYPE OF TENSILE STRUCTURE
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Otto Von Bismarck was instrumental in the unification of German states up for 1871. His experience as ambassador in St. Petersburg and Paris gave him considerable experience in foreign affairs‚ and his aim sought to deliver Prussia a higher status in Europe. Representing the Junker class‚ Bismarck was a great opportunist‚ delivering and commanding decisions well by exploiting situations at the right time. He accomplished unification through diplomatic persuasion and well prepared wars. He would often
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Jewish victim was a young girl named Anne Frank‚ who became most famous through her diary writings about her childhood life and her life during the Holocaust (“Anne Frank”- Jewish Virtual Library). She and her family became a few of the most famous victims of Hitler’s reign of terror among the Jews. Anne’s full name was Annelise Marie Frank. She was born on June 12‚ 1929. She was born in Frankfurt‚ Germany into the family of Otto and Edith Frank (“Frank‚ Anne”-Britannica Elementary Encyclopedia)
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Hermann van Pels begins working with Otto Frank in 1938. Miep Gies remembers him as “tall‚ large man” and “quite an agreeable sort‚ had no trouble fitting into the routine” in the company. Hermann acquired his knowledge of the butcher’s trade by working in the business of his father‚ Aron van Pels (who was originally Dutch). After his marriage to Lina Vorsänger‚ Aron settled down in Gehrde‚ Germany. He worked there for his German father in law‚ a wholesaler in butchers’ equipment. Aron and Lina had
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Film analysis of the opening scene in the film Laura (1944). In the opening scene of the film Laura‚ there is much to analyse. Be it from unusual casting options‚ to the cinematography‚ it seems that the director Otto Preminger knew exactly how to make the audience to think when making Laura. Casting is of a big importance when analysing the film Laura. What is interesting about Premingers work is how he makes unusual casting decisions‚ that always seem to make the feature a success. It seems
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LAURA (Preminger‚ 1944) TIME The narrative action in the film Laura occurs over a period of three days. It begins on a Sunday morning‚ two days after the murder takes place in Laura’s apartment. The narrative begins on this day because this is when Detective Mark McPherson begins his investigation of the case. Being the protagonist of the film‚ we follow him in his quest to solve the case and his pursuit of Laura. It is on Tuesday night that he succeeds in what he set out to do and therefore‚ the
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personal reflection on the Anne Frank’s House tourist attraction in Amsterdam because I have two daughters. As a parent‚ I want the best for them and most importantly‚ their safety. I would do the exact thing what Anne’s father had done for them. Otto Frank had to move to the Netherlands when the anti-semitism in Germany was growing. Though it took seven years for their family to be reunited in the Netherlands‚ he successfully got them out of Germany. My late father did the same for our family. When
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Paragraph Three: Conflict (a)The main conflict in The Diary of a Young Girl by Anne Frank is that the Frank family‚ the Van Daan family and Mr. Dussel are hiding in the Secret Annex during the Holocaust and are constantly in fear of being caught and sent to a concentration camp. This conflict is man vs society and is an external conflict because during the Holocaust‚ the malevolent society led people to believe that Jews were evil‚ although‚ the millions of the Jews that were killed during the Holocaust
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In this review‚ we will discuss Will Smith’s movie "After Earth" directed by M. Night Shyamalan. Smith’s movie is about a military father and his teenage son. One thousand years after cataclysmic events forced humanity’s escape from Earth‚ Nova Prime has become mankind’s new home. Legendary General Cypher Raige returns from an extended tour of duty to his estranged family‚ ready to be a father to his 13-year-old son‚ Kitai. When an asteroid storm damages Cypher and Kitai’s craft‚ they crash-land
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