化学专业英语课件张微精品课

摘要：

1.化学专业英语课件的重要性

2.张微精品课的内容与特点

3.如何有效利用化学专业英语课件学习

正文：

化学专业英语课件对于学习化学专业知识具有重要意义。在众多课件中，张微精品课凭借其丰富的内容和独特的特点，成为学生们喜爱的学习资源。那么，如何才能更有效地利用这些课件来提升我们的学术能力呢？

首先，化学专业英语课件的重要性不容忽视。作为一门自然科学，化学在学术研究和工业应用中都发挥着举足轻重的作用。而英语则是国际交流的通用语言，因此，掌握化学专业英语对于我们学习先进知识、拓宽国际视野以及提升自身竞争力都具有重要意义。在这种背景下，化学专业英语课件应运而生，成为了学习化学英语的重要辅助工具。

其次，张微精品课的内容与特点值得我们关注。张微精品课是一套针对化学专业英语的课件，涵盖了化学基本概念、实验操作、理论知识等多个方面。这套课件的特点如下：

1.内容丰富：张微精品课包含了大量的化学专业词汇、短语和句子，以及丰富的实际应用案例，帮助学生全面掌握化学专业英语知识。

2.系统性强：这套课件从基础到高级，从理论到实践，层次分明地讲解了化学专业英语的各个方面，使学生能够系统地学习。

3.实用性强：张微精品课注重实际应用，提供了许多实验操作和工程实践

案例，让学生在学习过程中能够学以致用。

最后，如何有效利用化学专业英语课件学习呢？以下是一些建议：

1.结合教材学习：在课堂学习时，可以借助化学专业英语课件来巩固和拓展教材中的知识点，提高自己的专业素养。

2.制定学习计划：根据自己的英语水平和化学专业知识，合理安排学习时间，逐步掌握化学专业英语。

3.多做练习：通过课件中的练习题和实际应用案例，提高自己的英语应用能力。

4.互动交流：与同学或老师分享学习心得，共同进步。

总之，化学专业英语课件张微精品课为我们提供了丰富的学习资源，帮助我们更好地掌握化学专业知识。

化学专业英语课文翻译

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(完整版)化学专业英语

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1 CHEMISTRY AND CHEMIST Without chemistry our lives would be unrecognisable, for chemistry is at work all around us. Think what life would be like without chemistry - there would be no plastics, no electricity and no protective paints for our homes. There would be no synthetic fibres to clothe us and no fertilisers to help us produce enough food. We wouldn‟t be able to travel because there would be no metal, rubber or fuel for cars, ships and aeroplane. Our lives would be changed considerably without telephones, radio, television or computers, all of which depend on chemistry for the manufacture of their parts. Life expectancy would be much lower, too, as there would be no drugs to fight disease. Chemistry is at the forefront of scientific adventure, and you could make your own contribution to the rapidly expanding technology we are enjoying. Take some of the recent academic research: computer graphics allow us to predict whether small molecules will fit into or react with larger ones - this could lead to a whole new generation of drugs to control disease; chemists are also studying the use of chemicals to trap the sun‟s energy and to purify sea water; they are also investigating the possibility of using new ceramic materials to replace metals which can corrode. Biotechnology is helping us to develop new sources of food and new ways of producing fuel, as well as producing new remedies for the sick. As the computer helps us to predict and interpret results from the test tube, the speed, accuracy and quality of results is rapidly increasing - all to the benefit of product development. It is the job of chemists to provide us with new materials to take us into the next century, and by pursuing the subject, you could make your positive contribution to society. Here are some good reasons for choosing chemistry as a career. Firstly, if you have an interest in the chemical sciences, you can probably imagine taking some responsibility for the development of new technology. New ideas and materials are constantly being used in technology to improve the society in which we live. You could work in a field where research and innovation are of primary importance to standards of living, so you could see the practical results of your work in every day use. Secondly, chemistry offers many career opportunities, whether working in a public service such as a water treatment plant, or high level research and development in industry. Your chemistry-based skills and experience can be used, not only in many different areas within the chemical industry, but also as the basis for a more general career in business.1 As a qualification, chemistry is highly regarded as a sound basis for employment. You should remember that, as the society we live in becomes more technically advanced, the need for suitably qualified chemists will also increase. Although chemistry stands as a subject in its own right, it acts as the bond between physics and biology. Thus, by entering the world of chemistry you will be equipping yourself to play a leading role in the complex world of tomorrow. Chemistry gives you an excellent training for many jobs, both scientific and non-scientific. To be successful in the subject you need to be able to think logically, and be creative, numerate, and analytical. These skills are much sought after in many walks of life, and would enable you to pursue a career in, say, computing and finance, as well as careers which use your chemistry directly. Here is a brief outline of some of the fields chemists work in: Many are employed in the wealth-creating manufacturing industries - not just oil, chemical and mining companies, but also in ceramics, electronics and fibres. Many others are in consumer based industries such as food, paper and brewing; or in service industries

专业英语化学

Lecture 4-Chemical Reactions and Equations Chemical reaction A chemical reaction is a process that always results in the interconversion of chemical substances. The substance or substances initially involved in a chemical reaction are called reactants. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which are in general different from the reactants. Classically, chemical reactions encompass changes that strictly involve the motion of electrons in the forming and breaking of chemical bonds, although the general concept of a chemical reaction, in particular the notion of a chemical equation, is applicable to transformations of elementary particles, as well as nuclear reactions. Types of Inorganic Reaction The large diversity of chemical reactions and approaches to their study results in the existence of several concurring, often overlapping, ways of classifying them. Below are examples of widely used terms for describing common kinds of reactions. ∙Isomerisation, in which a chemical compound undergoes a structural rearrangement without any change in its net atomic composition; ∙ ∙Direct combination or synthesis, in which 2 or more chemical elements or compounds unite to form a more complex product: N2 + 3 H2→ 2 NH3 ∙Chemical decomposition or analysis, in which a compound is decomposed into smaller compounds or elements: 2 H2O→ 2 H2 + O2 ∙Single displacement or substitution, characterized by an element being displaced out of a compound by a more reactive element: 2 Na(s) + 2 HCl(aq)→ 2 NaCl(aq) + H2(g)