甲基

The method is suitable for determining methyl methacrylate and butyl acrylate in the air of workplace simultaneously.

该方法适合工作场所空气中甲基丙烯酸甲酯和丙烯酸正丁酯气相色谱同时测定。

The effect of the substrate on the surface properties of organosilicon polymer and acrylate polymer blend films was investigated.

研究了成膜基材对有机硅聚合物－聚甲基丙烯酸甲酯溶液共混物薄膜表面性能的影响。

To establish a method for the direct determination of methyl methacrylate and butyl acrylate in the air of workplace by gas chromatography.

目的 建立工作场所空气中甲基丙烯酸甲酯和丙烯酸正丁酯气相色谱直接测定的方法。

In Chapter4, the reaction mechanism of phosphonyl nitrie oxides with acrylonitrile has been investigated.

为了简化计算模型，用甲基代替了膦酰基氧化腈中的异丙基进行模拟计算。

Anilido-imino nickel complex 1 {(C6H3Me2-2,6)N=CH-5-NO2-C6H3N (C6H3Me2-2,6)}NiBr was first synthesized, and its catalytic behavior toward polymerizations of norbornene and ethylene in the presense of methylaluminoxane were investigated in detail. The complex activated with methylaluminoxane exhibited high activities for norbornene polymerization.

首次合成了苯胺基亚胺镍配合物1{(C6H3Me2-2，6)N=CH-5-NO2-C6H3N(C6H3Me2-2，6)}NiBr，研究了其在助催化剂甲基铝氧烷的作用下对降冰片烯、乙烯的均聚以及对降冰片烯和乙烯的共聚的催化性能。

On the basis of these studies, sensitive and rapid determination methods of AM and MA in urine by gas chromatography with electron-capture detection combined with various acyl derivatization were developed.

在此基础上，建立了人尿中苯丙胺和甲基苯丙胺的酰基衍生化的气相色谱－电子捕获检测分析方法。

At the PAA polybutycyanocrylate metog acylate nanopolyaniline, or polybutycyanocrylate acid, butylacralate or methylacryte, methylacryte and microdosis butylacralate in LaTeX fleece printing of ofmaize.

凡是以合丙烯酸丁酯为主的乳液，或丙烯酸酯与丙烯酸丁酯共合体，或甲基丙烯酸甲酯、丙烯酸甲酯和丙烯酰胺共合体乳液为起绒印花用的粘合剂。

Using methanol we can synthesize diverse compound in addition, product pesticide,medicament,plastic.

通过甲醇可以合成多种甲基化合物及羰基化合物。另外，还可以生产农药、医药、塑料。

To determine whether N6amt1 methylates adenine residues in DNA, we examined its activity by in vitro assay.

为了检测N6amt1是否能够甲基化DNA中的腺嘌呤碱基，我们运用体外酶活检测系统对它的活性进行了测定。

Effect of ratio of dimethylol propionic acid to polybutylene adipate glycol on Tg and basic properties of films was studied.

考察了二羟甲基丙酸/聚己二酸丁二醇酯二醇比例对Tg以及膜基本性能的影响。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。