丙烯腈-丁二烯-苯乙烯

The results show that acrolein appears at the beginning of the reaction, but acrylonitrile appears earlier when the temperature is higher which indicates that the formation of acrylonitrile takes some time.

研究发现，反应开始阶段即有丙烯醛生成，而丙烯腈随反应温度的升高，出现的时间变早，说明丙烯腈的生成需一定的时间。

The mutants in good condition were selected in the culture medium of certain concentration of acrylonitrile.

为获得耐高浓度丙烯腈的菌株，利用紫外线对珊瑚诺卡氏菌进行诱变，并将诱变后生长情况较好的突变株在含一定浓度丙烯腈的培养基中进行筛选。

The pressure fall of acrylonitrile fluid - bed reactor was studied with the industrial operation data.

采用丙烯腈流化床反应器的工业运行数据，研究了丙烯腈流化床反应器的压降。

The results showed with the increase of the acrylonitrile content, the impact strength and flexural strength of the copolymer increased at the same time.

结果表明，随着丙烯腈含量的增加，共聚物的静态力学性能有相应提高；相对丙烯腈含量为15%而言，25%处冲击强度和弯曲强度的提高率分别为232.91%和32.31%。

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。

Benzene nitriles studied included parent benzene nitriles(cinnamonitrile,benzo nitrile,benzeneacetonitrile,isopropyl benzeneacetonitrile) and para-chloro ben zene nitriles(para-chloro cinnamonitrile,para-chloro benzonitrile,para-chloro be nzeneacetonitrile,para-chloroisopropyl benzeneacetonitrile).

所研究的苯腈类化合物包括苯腈类母体化合物(苯丙烯腈、苯甲腈、苯乙腈、异丙基苯乙腈)和对氯苯腈类化合物(对氯苯丙烯腈、对氯苯甲腈、对氯苯乙腈、对氯异丙基苯乙腈)。

Production techniques and market analysis of fine chemical products synthesized from hydrocyanic acid

氢氰酸是丙烯腈的副产品，综合利用氢氰酸将会提高丙烯腈装置的经济效益。

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。

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。

In order to approach the industrialization continuous production flow, the article studied production of acid dyeable polyacrylonitrile by the continuous water phase suspension polymerization using the existing laboratory instrument. The influence of third monomer and initiator content on productivity and dye uptake of PAN were investigated.

为了接近工业化的连续生产流程，利用实验室现有的仪器设备，设计了连续水相悬浮法生产酸性染料可染聚丙烯腈的实验装置，实现了聚丙烯腈的连续聚合，并研究了第三单体、引发剂用量对聚丙烯腈上染率、产率的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。