毕业论文里的摘要翻译

毕业论文摘要翻译，用什么翻译软件都不是很推荐，因为翻译软件虽然翻译速度快，方便，但是使用翻译软件也有缺点，就是有时候将句子结构进行调换或增减词语的，换个结构翻译出来的句子就不一样，增加或减个词语，翻译出来的句子也会不同的，有时甚至会相差很大。

大学论文是高校本科应届毕业生的一项独立总结性的作业。毕业论文作为高校的一个教学环节，同时也是对学生学业绩效考核和评定的重要方式。其目的在于让学生能够总结自己在校期间的学习成果，培养自身的综合创造能力和解决发杂问题的技能，建议找人工翻译比较靠谱。

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Hot Deformation Behavior of metal an important aspect of research is to study the metal in the process of hot deformation behavior of the flow stress, as well as changes in the law of the mechanical properties of the macro-response behavior is the flow stress. According to the theory of deformation, the flow stress of metal materials in a one-way refers to the deformation conditions sufficient to achieve plastic deformation of the stress intensity. Metals and alloys in the plastic working process, the flow stress determined the deformation of the size of equipment needed to load and the size of the required energy consumption. Generally speaking, the impact of the metal flow stress factors in general can be divided into internal factors and external factors. The main external factors, including deformation temperature, strain rate and strain (deformation), they are internal factors of the flow stress of metallic materials. Deformation temperature on the impact of flow stress as follows: flow stress with deformation temperature lower, but reduced somewhat different, that is, the higher strain rate, with the increase in deformation temperature, flow stress gradient reduced more Great. Strain rate on the impact of flow stress: the higher the strain rate, the greater the value of flow stress, and increase the flow stress with temperature changes, temperature, the higher the lower the rate of increase. The rate of increase of flow stress is not maintained at a fixed value, but as the strain rate changes. Internal factors include the chemical composition of metals, metal the microstructure changes such as dynamic recovery and dynamic recrystallization, such as work hardening. High-temperature mechanical deformation of metallic materials from high temperature creep behavior of metals on the basis of developed. Metals and alloys the existence of thermal processing thermal activation process, the strain rate thermal activation process control. Deformation under different conditions using different expressions, but also related to thermal activation, the dislocation movement, such as the micro-mechanism. This paper AZ31 magnesium alloy sheet for the study, the RG-based microcomputer-controlled universal testing machine, metallographic microscope and scanning electron microscopy tools, research and analysis of magnesium alloy at different temperatures forming performance, flow stress and microstructure changes in the law. The following conclusions: 1. Extrusion, cross-rolling, cold-rolled, hot-rolled, as well as the level of casting AZ31 magnesium alloy sheet metal microstructure is equiaxed structure, the grain size of 5 ~ 25μm; 2. Extrusion of magnesium alloy sheet metal grain size is about 5 ~ μm, the strain rate is less than , the deformation temperature is higher than 150 ℃, the extension rate of greater than 45%, and with the strain rate lower or raise the temperature of the peak flow stress also be reduced accordingly. When the temperature is 425 ℃, then the peak steady-state flow stress is almost equal to the flow stress at the time that the peak stress does not appear, and its value in between 18 ~ 20MPa, and the extension rate of 132%. 3. Cross-rolled sheet metal so that the peak flow stress decreased significantly increased plasticity. (And can reduce or eliminate the anisotropic material to improve the performance of its punch, so that elongation of the material significantly increased for deep-drawing deformation even provided a good internal organization.) At a temperature of 425 ℃, strain rate is less than , the elongation δ> 225%, alloy shows superplasticity. 4. 250 ~ 425 ℃ temperature range, semi-continuous casting + annealing cold-rolled sheet before and after the stress - strain curve changes little elongation δ are greater than 65%. Cold-rolled sheet can be used directly in temperatures greater than 250 ℃ forming thermal processing. 5. At a high temperature to soften and as a result of the role of dynamic recrystallization results of horizontal continuous casting + anisotropic cold-rolled sheet has been significantly improved. At 250 ℃ when the sheet are an extension of the rate of 118 percent, the smallest anisotropy alloys. 6. At a temperature less than 220 ℃, the fracture morphology of the main axis for large and small dimples, such as composition, surface tear edge clarity, and depth of dimples smaller size; When the temperature is greater than 240 ℃ when the equiaxed the edge of dimples appear fine grains, the occurrence of a fracture. Magnesium alloy at high temperature phase of the basic fracture along fracture, with the strain rate increased, the fracture mode transformed to the ductile fracture trend. AZ31 magnesium alloy in the plastic deformation occurred during the dynamic recrystallization and grain growth.

UNESCO has proposed: "the gap between developed and backward countries, the gap between the actual development of creativity, from the development of creativity start to shorten the gap, closing the gap." This is undoubtedly to our education workers is an important warning : Emphasis on the creative thinking ability. But in the old curriculum standards, the traditional education will be also followed blindly concept, theorem plainly and instill the content to students, knowledge creation, development and build process does not show to students, focusing on students "seeking the" thinking and habits of thinking a result, students are not good at independent thinking, lack of problem discovery, understanding and solution creativity, sensibility, which greatly inhibited the ability of students to the development of creative thinking. Traditional mode of education has failed to meet the needs of rapid development of society, therefore, education reform became a necessity. The introduction of the new curriculum standards, so that the basic goal of teaching, teaching materials and structure of the presentation, students learn ways significant changes have taken place in the new curriculum standards Zhuzhangtongguo students in all aspects of mathematics learning ability to improve their mathematical literacy and innovative, practical ability, which develop creative thinking ability is one of the most important tools. This paper aims through specific teaching strategies, creative thinking ability of the four main thinking ability, that is, logical thinking ability, divergent thinking ability, reverse thinking and intuitive thinking.

UNESCO has proposed: "developed and underdeveloped countries, is the gap between developed and creativity to develop creativity, eliminate to shorten the gap of." This is undoubtedly education workers in an important warning: must pay attention to the cultivation of students' creative thinking ability. But in the old, traditional education curriculum standards are followed blindly the concept and content of the theorem ZhiXu tile ground to give students the knowledge, the generation, development and generating process does not show students to cultivate students' thinking and habits plan-making, students are not good at thinking, the lack of independent thinking and understanding of the problems and solutions that promote their insight into music, creativity, which greatly restrain the development of students' creative thinking ability. The traditional education model have not meet the needs of the rapid development of social education reform, therefore, become inevitable. The new curriculum standard, the basic goal, teaching content and structure of the present teaching, student learning is a significant change, the new curriculum standards for students in mathematics learning various aspects ability to improve the students' mathematical ability and innovation, practical, including the cultivation of students' creative thinking ability is one of the main methods. This paper aims to study the specific teaching strategy, creative thinking ability of four and the cultivation of thinking ability, logical thinking ability and negative thinking, divergent thinking ability and intuition thinking : creative thinking ability, New standard, Teaching strategy