查询词典 acrylonitrile

The grafting of acrylonitrile to different starch by manganic pyrophosphate initiation has been studied, and the effect of preatment has been also discussed.

以［Mn(H2P2O7)3］3－为引发剂，对不同来源淀粉与丙烯腈的接枝共聚反应进行了研究，考察了淀粉预处理方式对淀粉接枝共聚反应的影响。

Large strain tensile properties of Polycarbonate/ acrylonitrile butadiene styrene polymer were experimentally investigated at different environmental temperatures in this paper.

本文对聚碳酸酯和丙烯腈丁二烯苯乙烯的合金高分子材料不同环境温度下的拉伸性能进行了试验研究。

Acrylonitrile-butadiene-styrene/polybutylene blend alloys was prepared, in which RC was used as compatibilizer and butadiene-nitrile rubber as toughener.

以ABS、PBT为基体树脂，RC为增容剂，NBR为增韧改性剂，并加入其它助剂，制备了ABS/PBT共混合金。

A series of acrylonitrile butadiene styrene terpolymers were synthesized by bulk polymerization using polybutadiene rubber as toughener. The mechanical properties of the resultant materials were investigated.

以聚丁二烯橡胶为增韧剂，用本体聚合方法合成了一系列丙烯腈--丁二烯--苯乙烯三元共聚物，并研究其力学性能。

It analyzes key factors that affect long-term running of acrylonitrile production unit and sets forth the rele vant countermea-sure that achieved remarkable result after application in practical production and devoted positive popularization as well as applica-tion value for supervising long-term running of same type of production unit.

分析了影响丙烯腈装置长周期运行的关键因素，提出了相应的对策，并应用于生产实践之中，取得了显著的效果，对于指导同类型装置长周期运行有着积极的推广和应用价值。

We use Poly vinyl alcohol, acrylic acid and acrylonitrile as the materials, through the aldolisation of PVA and copolymerization of AA and AN, we prepared the composite membrane with balance theory of hydrophilic and hydrophobic water.

本文以聚乙烯醇和丙烯酸、丙烯腈为主要原料，通过PVA缩醛中醛的选择及膜制备方法的选择，根据亲憎水平衡理论设计出PVA缩甲醛膜上下两层包覆AA和AN共聚膜的复合膜，用此膜进行甲醇／水溶液的渗透汽化分离。

S Vinylidene chloride/acrylonitrile/styrene suspension terpolymer was synthesized with AIBN as initiator.

VDC 丙烯腈苯乙烯三元悬浮共聚树脂便是常见用作制备泡沫材料的基体树脂之一[3～ 5] 。

Solubility of liquid blowing agent in vinylidene chloride - acrylonitrile - styrene terpolymer was determined under the condition of directly immersing the VDC polymer sample into the blowing agent.

研究了液体发泡剂种类、共聚物组成、浸渍温度对发泡剂在偏氯乙烯-丙烯腈-苯乙烯共聚物中溶解度的影响。

KF/NaZnPO4 was used as the catalyst for Michael addition reaction of ethyl acetoacetate and acrylonitrile.

以磷酸锌钠负载KF为催化剂，催化乙酰乙酸乙酯与丙烯腈进行Michael 加成反应。

It is manufactured through kneading, cold pressing and post-treatment; and the materials for the synthetic brake shoe include butadiene-acrylonitrile rubber, phenolic resin, graphite, iron powder, barium sulfate, potash feldspar powder, composite fiber, sulfur, hexamethine tertramine, polymethylene aniline, 2-mercaptan benzothiazole, zinc oxide and toluene.

同时本发明的提供了采用捏合、冷压、后处理工艺来制造新型高摩擦系数合成闸瓦。组成新型高摩擦系数合成闸瓦的各组分重量百分比如下：丁腈橡胶为6.20％，酚醛树脂为10.00％，石墨为15.00％，铁粉为11.03％，硫酸钡为30.00％，钾长石粉为5.00％，复合纤维为20.20％，硫磺为1.00％，六次甲基四胺为1.00％，聚亚甲基聚苯胺0.12％，2-硫醇基苯并噻唑0.15％，氧化锌0.30％，甲苯8.0％。

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。