查询词典 butadiene

In this paper, the enzymatic hydrolysis lignin derivatives were synthesized. Halogenation of EHL was carried out in aqueous solution, and graft copolymerization of EHL was initiated by initiator. The chlorinated and graft copolymerized EHL were respectively applied to the chlorinated polyethylene rubber and styrene-butadiene rubber, and the properties of rubber were investigated.

本文采用水溶液法和引发剂引发法分别对酶解木质素进行了卤化和接枝共聚反应研究，合成酶解木质素的改性衍生物，将其分别应用于氯化聚乙烯橡胶和丁苯橡胶，并探讨橡胶各项性能的变化。

Totally two formulas are designed,one using four compositions and the other including five,while butadiene imide emulsifier is applied by both of the formulas.

该系列乳化炸药包括SEM－4型四组分和SEM－5五组分两种产品，二者均采用一种以丁二酰亚胺为主要成分的高分子复合乳化剂。

Applications A fast curing accelerator for natural, synthetic rubber and latex, it can be used as accelerators of butyl rubber, acrylonitrile-butadiene rubber and EPDM rubber, non-toxic, inodorous, stainless and changeless in colors on products, suitable for coated fabric,.

用途 天然胶、合成胶用超促进剂以及乳胶用一般促进剂。特别适用于对压缩变形有要求的丁基胶和耐老化性能优良的丁腈胶，也适用于三元乙丙胶。

Methacrylic acid was used as additive for the modification of peroxide-cured styrene-butadiene rubber highly filled with Al3 filler.

将甲基丙烯酸用作Al3填充丁苯橡胶复合材料的添加剂，结果表明，在高填充Al3的SBR中加入MAA可以较大幅度地提高其过氧化物硫化胶的力学性能。

Nitrile is a copolymer of butadiene and acrylonitrile.

丁钠橡胶是丁二烯和丙烯腈的共聚物。

Photodissociation of 1,3-butadiene at 157nm has also been investigated.

得到所有解离通道的平移动能分布，不同反应通道的分支比为

Suitable to convey clean inflammable, explosive, severely poisonous fluids, and other tluids which permit no seal pollution, li is applied to high -pressure water flooding .conveying water or oil within far distance, butadiene rubber, adding hydrogen refining, platina heavy speed insiallation, etc.

适宜输送不含固体颗粒的易燃、易爆、剧毒的介质和其它要求无泄漏及不允许密封污染的介质。广泛地应用于油田增压注水，高中压远距离输水，输油，高层建筑供水，顺丁橡胶，加氢精制及铂重速装置等。

Iron catalyst could polymerize butadiene into high vinyl polybutadiene poly(Bd with 1,2-units more than 90%.

铁系催化剂是催化丁二烯聚合生成高乙烯基聚丁二烯的一种较好的催化剂，所生成聚合物1，2-结构的含量可在90%左右。

The rheological behavior and mechanical properties of polyoxymethylene/gel acrylonitrile-butadiene elastomer blends were investigated.

研究了聚甲醛／凝胶丁腈共聚弹性体共混物的熔体流动指数、高压毛细管流变行为和力学性能。

The purpose is to calculate the butadiene's π MO by golden section relation and to get radio of positive and negative ions,whose coordination number is 4 by regular tetrahedron.

通过提出丁二烯πMO系数比的黄金分割系数和正四面体重心规律的具体应用，用黄金分割关系求出丁二烯的πMO；用重心规律求出配位数为4的正离子与负离子的半径比。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。