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The Advantages of Flexures
- Flexures can provide a monolithic mechanism that eliminates interface wear.
- Devices constructed with flexures may be insensitive to bulk temperature changes.
- Displacements can be accurately predicted from applied forces.
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The disadvantages of flexures. (1)There will be hysteresis due to dislocation movement in most materials. (2)Flexures are restricted to small displacements for a given size and stiffness. (3)Out of plane stiffness tends to be relatively low and drive direction stiffness quite high compared to other bearing systems. (4)Unless precautions are taken,accidental overloads can lead to fatigue,work hardening and eventually to catactrophic failure. 分かる範囲でいいので、よろしくお願いします。 また、(4)のcatactrophic→catastrophicだと思います。
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経済英語なのですが、冷やかし無しでお願いします・・。簡単な感じでも大丈夫です・・。 At the same time, by carefully and explisitly comparing the separate chronoligical stories with one another and then with similar developments in other great industrial companies, these stories can become more than mere case studies in the meeting and solving of administrative problems resulting from growth. They can provide otherwise unobtainable information essential to the understanding of the history of one of the most significant of today's institutions. Such a comparative and institutional study of American business would seem to have some real advantages over the more traditional histories of individual firms or the more general surveys of the American business economy. Not only does it permit an analysis of significant decisions in far greater depth and detail than is possible even in a multivolume history of a single great company, but it also makes it possible to relate these detailed analyses more clearly and more precisely to broader historical developments. On the other hand, complex decisions, actions, and events are not taken out of context and presented as mere illustrations as they would have to be in a general history of American business or of the American economy. They are not used to illustrate generalizations; they are the date from which the generalizations are derived.
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a) Why does glass breaker break if you drop it? b) Why is butter easy to cut? c) Why can a diamond cut glass? d) Why do the branches of a tree bend in the wind? e) What are the different properties of green wood(on a tree) and dry wood? 一応 自分でも回答しました(eは除く) おかしいと思うので指摘をください。 a) because glass beaker is brittle material b) because butter is soft material c) because diamond is so hard material d) because branches of a tree is not rigid
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Have you ever seen the fossils of dinosaurs in a museum?Some are gigantic and horrible and some are small and pretty.If dinosaurs ( (1)) today, the world would get into a total panic.Of course we know that they disappeard from the Earth about 65 million years ago.But wouldn`t you be surprised to hear that their descendants still exist today?Dinosaurs are reptiles that existed in ancient times.Today,reptiles can be found all over the world.For example,lizards,snakes,alligators and turtles are all reptiles.So, are these animals the direct descendants of dinosaurs?Some scientists say it`s actually birds that are the descendants of dinosaurs.This may seem unbelievable, because birds have feathers,wings and most of them can fly.These characteristics seem completely different from those of dinosaurs. But if you have seen the fossil of an ancient bird called the archaeopteryx , you may have noticed some similarities in form between the archaeopteryx and some dinosaurs.Recently,dinosaur fossils which share many properties with birds have been found(another/after/one). Some of them are said to have had feathers on thier body, In view of this evidence, more and more scientists have come to think that birds have evolved from dinosaurs of some kind. If dinosaurs hadn`t existed, there wouldn`t be any birds today. It`s a real surprise that two animals that look so different are so closely related to each other.
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Check points for a proposed design. (1)Where are the metrology and force loops and how are they shared? (2)Are there any heat source and,if so,what are their likely effects? (3)Is the design symmetrical and are the alignment principles obeyed. (4)What other sources of error are likely to be encountered and can they be reduced by using compensation or nulling? 分かる範囲でいいので、よろしくお願いします。
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Placenta Skin Crème with Vitamin E has a unique formulation that gives you a light yet rich crème that can be used all over the body. The combination of Placenta extract and Vitamin E makes this a truly wonderful crème to nourish and protect the skin from the harsh effects of the environment and everyday pollution. It can also help with rejuvenating scarred skin tissue.
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Taking into account the objectives of the "Low Voltage "Directive, such basic components, the safety of which can only, to a very large extent, be assessed taking into account how they are incorporated and for which a risk assessment cannot be undertaken, then they are not covered as such by the Directive. 皆様の力を貸して下さい。
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テスト勉強に必要な英語の訳がわかりません。 長文で量が多いですが、ご協力お願いします。 *plastic Plastics are produced from a variety of raw materials: wood, coal, petroleum, plants,vegetable juices, and proteins. In some respects, they are superior to comparable natural products because they are produced under scientifically controlled conditions and can be given specific properties not found in nature. *telescope The telescope had two major effects on astronomical observations: First, it allowed astronomers to see celestial objects with greater magnification. Second, it improved light-gathering power so that astronomers could see faint objects. In other word, astronomers using a telescope could see objects that are too small to be seen with the naked eye. *refrigerator In a refrigerator, the refrigerant, which is under low pressure, is evaporated in the evaporator. The latter is a coiled pipe mounted in the freezer compartment. The evaporation leads to a drop in temperature in the freezer compartment. A small compressor draws away the vapor, compresses it, and passes it to a condenser, where heat is given off. *black hole Any light emitted from the surface of the star is dragged back by the star's gravitational attraction before it can get very far. Many stars cannot be seen because the light from them does not reach us, and such objects are what we now call black holes. *airline Many airline routes have stages of less than one thousand, five hundred kilometers and smaller jet airliners have been designed specifically for such "short-haul" operations. These aircraft are nearly as fast as the larger jet airliners, but carry only about eighty passengers. The engines are sometimes located beneath a high tail plane. This reduces noise in the passenger cabin. Short-haul airliners should be able to take off from relatively short runways and to permit rapid turn around(i.e. servicing, refueling and exchange of passengers between flights.)
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冷やかし無しでお願いします・・。だいたいの訳で構わないのでお願いします・・・。 The story of how each of the four innovators met its changing administrative needs and problems which resulted from the expansion of its business has been told as though it were a chapter in the company's history. Each case study presents the events from the point of view of the busy men responsible for the destiny of their enterprise. Only by showing these executives as they handled what appeared to them to be unique problems and issues can the process of innovation and change be meaningfully presented. Only in this way can the trials of harassed executives faced with novel and extremely complex problems be clearly pictured, and the impact of specific personalities and of historical or accidental situations on over-all change be adequately presented. Moreover, if the chronological development of the story is kept intact and if it can be presented as it appeared to the actors in the story, the date should have more value to businessmen and scholars interested in the growth and goverment of the great industrial corporation than if they were selected and arranged to develop or illustrate one particular historian's theses.
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ありがとうございます。 saysheさん優しすぎて今感動していますm(__)m 本当にありがとうございます!!