The in situ graft copolymerization of starch with D , L-lactide was investigated.

The rate of graft copolymerization markedly increases with reaction temperature.

反应温度是影响接枝共聚的另一重要因素,增加反应温度可显著加快接枝共聚速度.

The copolymerization modification and polymerization technique are described in detail.

另外,对醋酸乙烯乳液的共聚改性和聚合工艺也作了详细阐述.

Chemical modification including oxygenation, esterify, graft copolymerization and so on.

化学改性主要有氧化 、 交联 、 酯化和接枝共聚.

For such systems in the literature the indication " ideal copolymerization " is mostly used.

文献中常用 “ 理想共聚 ” 来表示这类体系.

Bears ? Don't tell me you won't go just because you're afraid of bears.

噢,原来copout是想推脱做某件事,但是理由又很牵强.

Someone just copped my watch from me!

有人偷了我的表.

He was copped for speeding.

他因超速行车被捕.

Poor Old Jim copped out last night.

可怜的老吉姆昨天夜里死掉了.

The girl copped a meal from her aunt.

这女孩向她姑妈要了一顿饭吃.

He copped the text carelessly so that it was corrupted.

他抄写原文时很粗心,以致出现讹误.

One of the robbers copped out and so they were all caught.

其中一名盗贼向警方坦白交代了,所以他们都被抓了起来.

He promised to go, but at the last minute he copped out.

他答应去, 可是在最后一分钟又反悔了.

He was driving on the highway when they copped him.

当他们抓捕他的时候,他正开车在高速公路上.

At the last minute they copped out because of their hang-ups on their families.

到最后一刻由于家庭牵挂,困难不小,他们变卦了.

The heavy rain missed the north of the country altogether , and the south copped the lot.

该国南部大雨滂沱而北部却滴雨未落.

He is a fink . He has copped out.

他是个工贼, 他妥协了.

Mother copped me stealing cakes from the kitchen and beat me severely.

我在偷厨房的蛋糕,被母亲抓到了.她狠狠地打了我一顿.

The politician copped out on the issue of free trade.

那政客对自由贸易的问题只是一味逃避.

Motel owners and restaurant managers copped it for neglecting their clients.

汽车旅馆老板和饭店经理因为冷落顾客而受到责骂。

Contemporary photographs are juxtaposed with a sixteenth century, copper Portuguese mirror.

几幅当代照片和一面16世纪的葡萄牙铜镜并排摆在一起。