苯乙烯

However the chlorohydrin route generates chlorinated by-products, mainly dichloropropane and CaCl_2, which results in equipment erosion and serious environmental pollution, while the co-production route needs large investment and its economic benefit is linked to market of the by-products, namely styrene or tert-butyl alcohol.

氯醇法设备腐蚀和环境污染严重，共氧化法设备投资巨大且受到联产物——苯乙烯或叔丁醇销路的制约。1983年，Taramasso首次报道了钛硅分子筛(TS-1)的合成，为低碳烯烃选择氧化开辟了一条新的途径。

Alkylations of benzene with dodecene and/or chloromethane in the room temperature ionic liquid 1-methyl-3-butylimdazole chloride-aluminium chloride as catalyst have been investigated with high conversion and selectivity.

首次研究了在氯铝酸室温离子液体系中二甲苯与苯乙烯的烷基化反应制1-苯基1-二甲苯基乙烷及其衍生物。考察了离子液体催化剂量和反应条件的不同对产物组成及副产物数量的影响。

The differences of electric mechanism, phase behavior and high temperature stability of cyhalothrin drug-loading microemulsion were investigated when the dodecyl benzenesulfonic salts combined with five coherer counter-ions and polyoxyethylene styrenyl ether were mixed at the same molar ratio.

将十二烷基苯磺酸盐和苯乙烯化苯酚聚氧乙烯醚按摩尔比1∶1混合后，结合5种金属反离子配成增溶高效氯氟氰菊酯的载药微乳体系，研究其在导电机理、相行为及热贮稳定性上的差异。

Human exposed to styrene may cause chronic diseases of the central nervous system and increase choice reaction time and color confusion index.

人类暴露於苯乙烯环境下将导致神经系统的慢性疾病，像是导致反应时间变长和对颜色辨识的混淆等。

In this work, self-emulsified emulsion copolymerization of styrene and unsaturated polyester was studied.

本论文还进行了不饱和聚酯/苯乙烯的自乳化乳液聚合研究。

Polystyrene itself is non-toxic, but the residual polystyrene resin polymerization of styrene monomer and some other volatile substances, including ethylene, cumene, toluene, etc., have a certain toxicity.

聚苯乙烯本身是无毒的，但聚苯乙烯树脂聚合残留的单体苯乙烯及其他一些挥发性物质，包括乙烯、异丙苯、甲苯等，有一定毒性。

For finding a suitable sorbent for a-methylstyrene in the process of producing phenol from cymene, the pore structure and pore size distribution of four coconut-shell activated carbon were analyzed and characterized by different methods (BET, t-plot and BJH) according to their nitrogen adsorption isotherms.

为了筛选在异丙苯法生产苯酚工艺中吸附分离α-甲基苯乙烯的吸附剂，测定了4种椰壳活性炭材料的氮吸附等温线，并用BET模型、t图法、BJH理论等方法对孔结构进行分析与表征。

Objective To establish solvent desorption gas chromatographic method for determination of o-chlorostyrene in workplace air.

目的建立工作场所空气中邻氯苯乙烯的溶剂解吸气相色谱测定方法。

Grain inhibiting consisted of coating the propellant outer diametrical surface with polyester/styrene resin, then wrapping a resin soaked paper tightly around, forming two full layers.

粮食抑制构成涂层的推进剂外表面径向与聚酯/苯乙烯树脂，然后包装树脂浸泡文件，紧紧围绕，形成了两个完整层。

Seven 7-styrylcoumarins were synthesized by palladium-catalyzed Heck reaction of coumarin diazonium salts with substituted styrenes.

采用钯催化香豆素重氮盐的Heck反应合成了七个7-位苯乙烯基取代香豆素化合物，该方法反应条件温和且收率较高。

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。