《化工英语第1课topic1.ppt

化学化工专业英语 English for Science and Technology on Chemistry and Chemical Engineering 授课：华杰 huajie663@163.com Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 课程目标与内容Course objectives and contents 1、掌握科技英语的主要特点及英语学习方法； 2、主题学习：1）精读典型句子或段落；2）语法分析（词法与句法）；3）课堂练习：写（120字）与说（1分钟） Topic 1：The Periodic Table of Elements Topic 2：Chemistry Topic 3：Chemical reactions Topic 4：Types of High Polymers Topic 5：Synthetic Nitrogen Fixation Topic 6：Unit Operation Topic 7：Environmental Protection Topic 8：China Petroleum Chemical Corporation Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 课程目标与内容Course objectives and contents 3、重点语法学习： 1）构词法 2）被动语态 3）定语从句 4）五个基本句型 4、翻译简介 5、科技英语论文写作 6、文献检索 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 科技英语的特点Characteristics of English for Science and Technology 一、语法特点 1、词类转换多 词类转换指在翻译时将英文的某种词类译成汉语的另一词类，主要原因是两种语言的在表达方式上有很大差别。 The operation of a machine needs some knowledge of its performance. 操作机器需要懂得机器的一些性能。（名词转译为动词） An acid and a base react in a proton transfer reaction. 酸与碱的反应是一个质子转移的反应。（动词转译为名词） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Generally speaking, methane series are rather inert. 总的来说，甲烷系的烃惰性很强。（形容词转译为名词） 2、被动语态多 据统计，被动语态的句子在科技英语中约占1/3，比非科技英语中的被动句出现的频率高一倍左右。 被动句：Mathematics is used in many different fields.（更客观、明了） 主动句：People use mathematics in many different fields. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile . Copyright 2004-2011 Aspose Pty Ltd. 3、后置定语多 In addition to aliphatic compounds, there are a number of hydrocarbons derived from benzene and seemed to have distinctively different chemical properties. 除了脂肪族化合物以外，还有许多从苯衍生而来，看来具有明显不同化学性质的烃。 4、复杂长句多 英语：利用多种修饰语，构成较长的简单句，利用适当的连词将简单句构成更长的并列句或复合句。 汉语：尽量分成几个简短的句子来说明某个概念。 翻译方法：顺译法、倒译法（变序译法）、分译