苯乙烯的

This paper reviewed the development trend of chemistries in carbonless copying paper and the pressure-sensitive color-developing microcapsules.

文章论述了无碳复写纸及其化学品材料的发展动态，着重讨论了压敏显色微胶囊，阴离子聚电解质苯乙烯马来酸酐共聚物和显色剂树脂的制备工艺及研究进展。

A homogeneous redox initiator system with ceric ammonium nitratein N,N-dimethyl-formamidewas reported in this paper.

研究了均相氧化还原体系硝酸铈铵/N，N-二甲基甲酰胺在无外加还原剂的条件下，引发丙烯酸甲酯，苯乙烯和甲基丙烯酸甲酯等烯类单体的聚合。

Results: The 12 kinds of toxicants including methyl acetate, ethyl acetate, benzene, toluene, ethylbenzene, butyl acetate, p-dimethylbenzene, m-dimethylbenzene, o-dimethylbenzene, n-butanol, cinnamene and cyclohexanone were separated well. Good linear relationship sensitivity and reproducibility were obtained and detection limits (S/N=3) of them were 0.2 mg/l respectively. Conclusion: In this paper, a new method for simultaneous determination of 12 kinds of toxicants by using gas chromatography has been described.

结果：对乙酸甲酯、乙酸乙酯、苯、甲苯、乙酸丁酯、乙苯、对二甲苯、间二甲苯、邻二甲苯、正丁醇、苯乙烯、环己酮12种有毒物质的分离效果好，线性和重现性均较好，方法的检测限达到0.2 mg/L。

The results showed that,polybromostyrene has higher thermal stability than the congeneric products in the market .

结果表明：文中合成的聚溴化苯乙烯比市场同类产品具有更优异的热稳定性。

N-p-tolylmaleimide is a kind of monomer to copolymerize with MMA to enhance the thermal stabilities of PMMA.In this article, NPTMI was prepared from the reaction of maleic anhydride and p-toluidine in one stage, which was testified by FTIR. The mp. of NPTMI was 154 and consistent with the literature.

目前国外对这方面的研究比较成熟，国内研究的较少，且还没有对N-对甲基苯基马来酰亚胺、MMA和第三单体丙烯腈或苯乙烯共聚以制备耐热PMMA树脂及其性能的研究。

The major products were methane, ethylene, propylene, butylene, butadiene, cyclopentadiene, benzene, toluene, styrene, vinyl-substituted cyclopentene derivatives and C5/C6 isomers (pentadiene, methyl-substituted cyclopentene derivatives, cyclohexene, hexadiene and methyl-substituted cyclopentadiene derivatives), and the main primary products were determined to be C1～C4 compounds, cyclopentadiene, benzene, toluene and vinyl-substituted cyclopentene derivatives.

热裂解主要产物为甲烷、乙烯、丙烯、丁烯、丁二烯、环戊二烯、苯、甲苯、苯乙烯、环戊烯的乙烯基取代物及C5， C6异构体(戊二烯、环戊烯的甲基取代物、环己烯、己二烯和环戊二烯甲基取代物)，其中， C1～C4、环戊二烯、苯、甲苯、乙烯基取代环戊烯为初始产物。

The major products were methane, ethylene, propylene, butylene, butadiene, cyclopentadiene, benzene, toluene, styrene, vinyl-substituted cyclopentene derivatives and C5/C6 isomers pentadiene, met...

热裂解主要产物为甲烷、乙烯、丙烯、丁烯、丁二烯、环戊二烯、苯、甲苯、苯乙烯、环戊烯的乙烯基取代物及C5，C6异构体(戊二烯、环戊烯的甲基取代物、环己烯、己二烯和环戊二烯甲基取代物)，其中，C1～C4、环戊二烯、苯、甲苯、乙烯基取代环戊烯为初始产物。

Seven 1-phenyl-(4-pyridinyl)acetylene derivatives were conveniently synthesized in this paper using corresponding styrylpyridines as starting materials by bromination, rearrangement and debromination.

本文采用简单易行的方法从苯乙烯基吡啶类衍生物通过溴化、重排和脱溴化反应合成了7种苯乙炔基吡啶类单体，研究了它们在1mol/L盐酸水溶液中的光环加成反应。

For the dehydrogenation of ethylbenzene to styrene,a predictive functional control algorithm was presented.

针对乙苯催化脱氢制苯乙烯过程的特点，给出多输入多输出系统的预测函数控制算法应用设计。

Based on reviewing of functionalization of saturated carbon by catalytic oxidation with metalloporphyrins and metal phthalocyanines as a mimic of the enzyme cytochrome P-450, two reaction systems of which one was the preparation of 4, 4'-dinitrostilbene-2, 2'-disulfonic acid from 4-nitrotoluene2-sulfonic acid and the other was the preparation of 4, 4'-bis (dimethylamino -diphenyl) phenylmethanol from 4, 4'-bis (dimethylamino-diphenyl) phenyl methane , were specifically studied as carfunctionalization and oxyfunctionalization of saturated carbon.

本文在全面综述金属卟啉和金属酞菁类模拟细胞色素P-450酶催化剂催化氧化饱和碳原子功能化的基础上，选择由4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸和由4，4'-二苯基甲烷制取4，4'-二苯基甲醇两个反应体系进行饱和碳原子碳功能化和氧功能化的具体研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。