第三章一、选择题1、一对单体发生理想共聚的条件是_______ ____。A、;B、;C、;D、2、顺丁烯二酸酐与苯乙烯进行自由基共聚合的类型是_____。A、嵌段共聚;B、接枝共聚;C、交替共聚;D、无规共聚3、两种单体的Q值和e值越相近,就越__ ____。A、倾向于交替共聚;B、难以共聚;C、倾向于理想共聚;D、倾向于嵌段共聚4、一对单体发生交替共聚的条件是______ _____。A、
Name Class Student No. Score A pair of standard spur involute gears has a module of 5mm pressure angle ?=20? centre distance a=350mm transmission ratio i12
第四章聚合方法一、单选题2、乳液聚合的主要场所是_ ___。A、水相;B、单体液滴;C、乳胶粒4、合成橡胶通常采用乳液聚合反应,主要是因为乳液聚合____ _。A、以水作介质价廉无污染;B、散热容易;C、不易发生凝胶效应;D、易获得高分子量聚合物5、在乳液聚合的第二阶段,补加一定量的引发剂后,______。A、聚合物分子量增大;B、聚合物分子量不变;C、聚合速率不变;D、聚合速率增大6、在乳液
绪论一、选择题1、对配位聚合的发现做出贡献并因此而获得Nobel化学奖的是_______。 A、 FloryB、Ziegler-NattaC、Staudinger2、美国科学家艾伦?黑格、艾伦?马克迪尔米德以及日本科学家白川英树由于在____领域的开创性贡献,荣获2000年的诺贝尔化学奖。A、纳米材料B、配位聚合C、基团转移聚合D、导电聚合物3、高分子的概念是20世纪二十年代由_______首
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sister often studies English by listening to ______(磁带), do you see my Chinese _____(课本) I forget where I put it read _____(大声地)to let everyone hear you should I do to practice my _____(发音) 5 We stu
Principles of Database SystemsExercises 1Yunsheng Liu2011101Exercise 1-1Please give at least four main differences between a DBMS and a file systemExplain the differences between subschema, conceptu
Evaluation Only. Created with Aspose.Words. Copyright 2003-2022 Aspose Pty Ltd.Exercises in Unit 1Ⅰ. 按所给的顺序给小动物排队pig chicken duck cow dog cat goat sheep rabbit donkey mouse horse 狗 兔子
H06E7 –INTEGRATED RFPONENTS AND CIRCUITSExercise session 1: Passiveponents and circuits2. Calculation of transmission line parameters by using LineCalcDimensions (?m)Frequency1 GHz30 GHzSubstr
Exercise 1: Answer the following questions according to the movie clip you have just watchedWhat does Elle expect when she goes out for dinner with Warner What does Warner actually plan to do2 What
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