查询词典 acrylonitrile

Due to sourcing difficulties and high costs for acrylonitrile, Romer Labs claims "many of our customers are now using this methanol method".

由于乙腈的市场短缺和高昂的价格，Romer Labs扬言："我们的很多客户现在都已经使用甲醇替代方法了。"

The water lubricant mechanism of acrylonitrile butadiene rubber beating was analyzed and studied systematically.

应用力化学的观点和原理对丁腈橡胶轴承的磨损机理进行了研究，得出了橡胶轴承磨损过程中表面所发生的主要化学过程。

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。

Finally, Based on the whole research work, a new technology, named"ultimate recycle operation"was proposed. The main purpose of this technology is to obtain the maximum selectivity of acrylonitrile and it is of great importance on conservation of resources and environment protection.

最后，在全文研究工作的基础之上，本文提出一种"极限式循环操作"反应技术的设想，利用该反应技术能够最大限度地提高丙烯腈的选择性，降低深度氧化产物的生成，在节省资源和环境保护等方面均具有突出的应用意义。

The main by-product during the production of acrylonitrile is acetonitrile.

目前全球95%以上的丙烯腈是通过Sohio丙烯氨氧化路线生产的。

Acrylonitrile or methacrylonitrile is hydrolyzed in a suitable aqueous reaction mixture by an enzyme catalyst characterised by a nitrile hydratase and amidase activity of Comamonas testosteroni 5-MGAM-4D, producing the corresponding acid.

在合适的含水反应混合物中通过催化剂使丙烯腈或甲基丙烯腈进行水解生产对应的酸，催化剂的特征在于具有睾丸酮假单胞菌5-MGAM-4D的腈水合酶和酰胺酶活性。

The annulation of stilbene compounds were studied. Phenanthrene derivates-interme diates of tylophorine were synthesized by annulation from-2,3-bis(3,4-dimethoxyphen yl)acrylic acid and-2,3-bis(3,4-dimethoxyphenyl) acrylonitrile with phenyliodine diace tate as a friendly and high efficient catalyzer.The route was first reported, whose application foreground would be promising.The catalyzer will be used to study of synthesi- zing a series of new phenanthrenes.

本文还探索了简单类化合物关环反应，并研究出用廉价高效对环境友好的催化剂-二乙酸碘苯成功地将类化合物－3，4-二甲氧基-α-(3，4-二甲氧苯基)-肉桂酸和-2-(3，4-二甲氧苯基)-3-(3，4-二甲氧苯基)-丙烯关环形成相应的菲环衍生物－娃儿藤碱重要中间体，此方法在国内尚属首次，具有重要的应用价值，此外可用此催化剂研究一系列类化合物的关环反应。

The elastomer material of most rubber seals (Section 6.3.2) is acrylonitrile butadiene rubber also known as nitrile rubber or buna N. For seals which are exposed to special thermal or chemical conditions, more expensive rubber grades may be required.

大部分的弹性体材料生产橡胶密封6.3.2丙烯腈顺丁橡胶也被称为丁腈橡胶或buna是：暴露于特别热或化学条件，更昂贵的橡胶级别也是可能被要求的。

In recent years, as automobiles, machinery, aviation, aerospace and chemical industry have developed in the direction towards high performance, low power consumption and long life, general rubber such as nature rubber, chloroprene rubber, and acrylonitrile butadiene rubber etc can not satisfy thermal stability and oil resistance in new rubber products.

近年来，随着汽车、机械、航空、航天、化工等领域使用的橡胶制品向高性能、低能耗和长寿命方向发展，天然橡胶、氯丁橡胶、丁腈橡胶等通用橡胶已无法满足新型橡胶配件耐高温和耐油等方面的要求。

In this paper, the effects of hydroxy-terminated butadiene-acrylonitrile copolymer on the toughness of epoxy resin were investigated.

本文研究了端羟基丁腈橡胶对环氧树脂的增韧作用。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。