高分子专业专业英语1ppt课件

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What are polymers?
polymer n polymeric adj
polymer chain polymeric carrier polymeric catalyst polymeric surfactant polypolyethytlene polyester
words
words


macromolecule n macromolecular adj macromacroion 高分子离子 macromer 高分子单体 macromonomer macroradical 高分子自由基
words

monomer n monomeric adj monomer concentration monomer reactivity monomer selectivity monomeric unit monomeric reactivity ratio

polymerization n polymerizable adj polymerize v polymerized adj
polymerizable monomer polymerization activity polymerization constant polymerization inhibitor polymerization in situ polymerized oil
Sentences
As an example, a gaseous compound (called butadiene), (with a molecular weight of 54), combines [nearly 4000 times] and gives a polymer (known as polybutadiene (a synthetic rubber) with about 200 000 molecular weight)
Sentences
It is essentially the “giantness” of the size of the polymer molecule that makes its behavior (different from that of a commomly known chemical compound suc生变形, 经过很长时间后,(聚乙烯醇分子)进入 到溶液中。
Sentences
Another peculiarity is that, in water, polyvinyl alcohol never retains its original powdery nature [as the excess sodium chloride does] [in a saturated salt solution].
高分子专业专业英语1
课程目的
帮助学生在专业学习和研究中 更好地应用英语,以逐步达到 能用英语较熟练地阅读本专业 的文献资料及适应其他科技交 流活动的需要。
基本要求



学习常用科技英语词汇、术语; 掌握科技英语的特点; 提高运用英语从事与高分子材料相关的 阅读、写作、会话的能力。
教学内容安排

实质上正式由于聚合物的巨大分子尺寸才 使其性能不同于像苯这样的一般化合物(的 性能)
Sentences
The globules of polyvinyl alcohol first absorb water, swell and get distorted in shape and after a long time go into solution.
另一个特点是,在水中聚乙烯醇不会像过 量的氯化钠在饱和盐溶液中那样能保持其初 始的粉末状态

UNIT 1-10,12,14,21, 25, 27,32 时间 1-11周,每周四晚7:30-9:55 (三节时),每次1.5-2 UNIT,注 意课前预习
教学形式



Words,Phrases,Notes(老师 提示) 课文讲解,句子朗读、翻译(学生 问答) 课堂练习,课后作业(学生问答)
UNIT 1



monomonocrystalline monodisperse monofunction monofilm

words



dissolution n 溶解 dissolve v 溶解 solution n 溶液 solution polymerization solubility n 溶解度,溶解性 solvent n 溶剂 solvent effect dissolvable adj 可溶解的
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