查询词典 acrylonitrile

In this dissertation, the more denoting β-diketone ligand is used to weaken the electrophilic property of Ti center to obtain a complex for use as a catalyst precursor to polymerize ethylene, vinyl pyridine and acrylonitrile.

如何通过化学或物理化学方法来调节活性中心与非极性烯烃、活性中心与极性单体这两者之间的性能差异，使之同时能适应两类单体聚合无疑是很重要的。

The paper describes the reason of slug for inhere fire tube heat recovery steam generator used in liquid waste incinerator of acrylonitrile plant,puts forward the project of rebuilding,introduces the calculation of slug period,makes the technique economic analysis and proves the project to be feasible,the economic benefit of which is notable.

简述了原有火管式废水焚烧炉余热锅炉的结渣原因，提出了改造方案，介绍了改造方案的结渣周期计算和技术经济分析，证明其在理论上有效可行，节能和经济效益显著

The results show that the periodic average yield of acrylonitrile under any forced periodic oscillation of oxygen concentration among this experimental conditions,thus obtained could higher than that under the steady-state condition.

而为完成整个氧化还原循环过程，气相氧分子就必须在不同丙烯吸附中心的再氧化中心上吸附，获得电子，解离后扩散进入催化剂中的阴离子孔穴，如图1所示。从该机理可知，反应气氛中的氧烯比大小对催化剂表面的氧化还原反应过程的循环有重大影响。

Hot gases from the neutralizer next are water washed at ambient temperature to absorb acrylonitrile ,acetonitrile hydrogen cyanide and other by products .

热气体从中和剂明年是水清洗常温吸收丙烯腈，乙腈氰化氢和其他的产品。

A new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

利用氨基乙腈及丙烯腈的亲核加成、氢化反应合成了一种新的不等臂有机多胺化合物2-氨基乙基-二（3-氨基丙基）胺。

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。

A process for the hydrolysis of acrylonitrile to acrylic acid, and for the hydrolysis of methacrylonitrile to methacrylic acid, in high yield and at high concentration with high specificity is disclosed, wherein an enzyme catalyst is used.

本发明提供一种高产率、高专一性和高浓度的将丙烯腈水解为丙烯酸的方法和将甲基丙烯腈水解为甲基丙烯酸的方法。

Nitrile is a copolymer of butadiene and acrylonitrile.

丁钠橡胶是丁二烯和丙烯腈的共聚物。

The activity of Ca2+-ATPase and phosphorylase A of liver in rats was determined to study the effect of acrylonitrile on calcium homeostasis and to clarify the toxicological mechanism of ACN.

本文通过丙烯腈对大鼠肝脏Ca2+-ATPase和磷酸化酶A活性影响的研究，探讨了丙烯腈对动物肝脏钙稳态的影响，进一步阐明丙烯腈的毒作用机制。

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。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。