查询词典 styrene

The epoxidation of of various olefins was carried out using LDH-F with Mg/Al=5 as the catalyst and H2O2 and benzonitrile as the oxidants. This catalytic system has excellent catalytic activity. The conversion and selectivity are both above 95% when using styrene, indene, allyl alcohol, and allyl chloride as the substrates.

以Mg/Al=5的LDH-F为催化剂，H2O2和苯甲腈为氧化剂对不同官能团化烯烃进行环氧化反应，结果表明，此催化体系具有良好的催化性能，在苯乙烯、茚、丙烯醇和烯丙基氯环氧化反应中转化率和选择性均在95%以上。

During the process of grafting reaction, long chain branched structures were not formed until enough styrene was polymerizaed.

反应时间对长支链的形成影响比较大，反应时间在10min以内所得产物的支化效果都不明显，经历20min以上聚合后产物含有明显的长支链结构。

Synthetic rubber is a copolymer of butadiene (75%) and styrene (25%).

合成橡胶是丁二烯（75％）和苯乙烯（25％）的共聚物。

Real time optimization system of process industry is built in this paper, and is applied to low-temperature styrene and butadiene emulsion polymerization.

本论文建立了过f工业的实时优化系统，并将其应用于低温乳聚丁苯橡胶装置。

In a word, this is the first real time optimization system of low-temperature styrene and butadiene emulsion polymerization at present.

总之，本论文建立的低温乳聚丁苯橡胶实时优化系统，在国内外还很少见到。

Low-temperature styrene and butadiene emulsion polymerization is the main product of synthetic rubber, used widely in society.

低温乳聚丁苯橡胶是合成橡胶的主要产品，具有广泛的应用。

The aim of this paper is to build the steady state simulation platform of the low temperature styrene/butadiene emulsion polymerization unit.

本文的目的是建立起低温乳聚丁苯橡胶聚合单元的稳态模拟平台，并在此基础上对生产装置进行优化计算。

Which is the biggest production of styrene butadiene rubber, synthetic rubber accounts for about 50%, followed by about 15% of butadiene rubber, these are general-purpose rubber.

其中产量最大的是丁苯橡胶，约占合成橡胶的50％，其次是顺丁橡胶约占15％，这些都是通用橡胶。

The property of SEBS was affected by relative molecular mass, mass ratio of styrene to butadiene, content of 1,2 unit and degree of hydrogenation.

研究了聚合物相对分子质量、苯乙烯与丁二烯的质量比、SBS的PB嵌段中1，2-结构质量分数和氮化度对SEBS性能的影响。

Resin and rubber used as the solvent, to dissolve polystyrene, ABS, PMMA, polyvinyl butyral, polysulfone, polyether chloride, styrene butadiene rubber, solvent-based adhesive preparation

用作树脂和橡胶的溶剂，能溶解聚苯乙烯、ABS、聚甲基丙烯酸甲酯、聚乙烯醇缩丁醛、聚砜、氯化聚醚、丁苯橡胶等，配制溶剂型胶粘剂

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新