硫化剂

The present situation and development trend of vulcanization accelerator at home and abroad were reviewed.

本文叙述了国内外硫化促进剂的现状和发展趋势。

Four extracting agents for Lanthanides/Actinides separation , dialkyldithiophosphinic acids, were synthesized from PSCl3 and alkyl halide by Grignard reaction, sulfuration and acidification.

以PSCl3和卤代烷为原料，经格氏反应、硫化和酸化合成了用于镧/锕分离的4个萃取剂——二烷基二硫代次膦酸，其结构经NMR，IR和MS表征。

The complex decomposes activated substances with methylene, can promote formation the chemical bond between fluorine rubber and silane coupling agent; meanwhile, these activated substances can produce many kinds of amino resin containing a large number of activated function in the course of vulcanization, and improves adhesion forces with metal.

络合物分解生成具有活性亚甲基的物质，促进氟橡胶与硅烷偶联剂生成化学键，同时，这些活性物质在硫化过程中生成多种具有氮亚甲基结构特征的、含有大量活性基的氨基树脂，提高了与金属的粘接力。

The complex decomposes activated substances with methylene, can promote formation the chemicalbond between fluorine rubber and silane coupling agent; meanwhile, these activated substances canproduce many kinds of amino resin containing a large number of activated function in thecourse of vulcanization, and improves adhesion forces with metal.

络合物分解生成具有活性亚甲基的物质，促进氟橡胶与硅烷偶联剂生成化学键，同时，这些活性物质在硫化过程中生成多种具有氮亚甲基结构特征的、含有大量活性基的氨基树脂，提高了与金属的粘接力。

As for the sulfide precipitation-coagulation, the function of coagulator is proved by both sweep-floe coagulation and charge neutralization.

硫化沉淀-混凝联用法中混凝剂的作用机理为卷扫絮凝和电性中和。

We have found that The content of water and iron is the main cause of the phenomenon of collapse of the electric field of the electric dehydrator. The natural surfacants, polymers and colloidal FeS particles are the key cause of the form of the oil-water intermediate layer of the 4th Produced Factory.

天然表活剂、聚合物以及硫化亚铁胶体或微粒的作用是大庆油田采油四厂原油脱水时形成了较稳定的油包水型中间层的主要原因。

An ethanolamine is a chemical activator that acts with an accelerator to increase the rate of vulcanization of rubber.

乙醇胺是一种与促进剂反应增加橡胶硫化速度的化学试剂。

The study on entrained-bed desulfurization and fluidized-bed regeneration processes with desulfurizing agents developed by ourselves under the condition of fluidized-bed gasification as well as the study on sulfurization and regeneration kinetics behavior of the desulfurizing agents are carried out.

中国科学院山西煤化学研究所，山西太原 030001）摘要：开发了高温煤气净化新工艺，进行了自行研制的脱硫剂在流化床气化条件下的气流床脱硫和流化床再生工艺、脱硫剂的硫化和再生过程动力学行为研究。

Issues addressing the green chemistry design of engine fuel systems include lead free and anti wearing of gasoline,low sulfurization and lubricity of diesels,eco fuels and eco tribology,gasoline engine deposits and detergents...

发动机燃料系统绿色化学设计的范畴包括：汽油无铅化与汽油抗磨性，柴油低硫化与柴油润滑性，生态燃料与生态摩擦学，汽油机沉积物与汽油清净剂，柴油机颗粒与消烟助燃剂。

A C-C bond type radical initiator i.e. 1,1,2,2-tetraphenyl-1,2-ethanediol and a S-S bond type thermal iniferter, i.e., tetraethyl thiuram disulfide were used to consist of new reverse ATRP initiation systems TPED/FeCl3/PPh3 and TD/FeCl3/PPh3, respectively."Living"/controlled polymerizations of a polar monomer MMA and a non-polar monomer St were investigated with the initiation systems as well as other new initiation systems; behavior of vinyl polymerization with a new asymmetrical C-C bond type thermal monomeric iniferter was studied also.

前者选用C-C键型的自由基聚合引发剂1，1，2，2-四苯基-1，2-乙二醇、S-S键型的热iniferter二硫化四乙基秋兰姆组成新引发体系TPED/FeCl3/PPh3、TD/FeCl3/PPh3，研究这些引发体系引发MMA、 St聚合的&活性&/控制聚合行为，同时研究一些其他新引发体系；后者合成了一种新的非对称C-C键型热引发转移终止剂，并研究其自由基聚合规律。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失