乙烯的

We are also the world's largest producer of acetyl products, including acetic acid, vinyl acetate monomer and polyacetal and a leading global producer of high-performance engineered polymers used in consumer and industrial products and designed to meet highly technical customer requirements.

公司在其主要产品市场上拥有首屈一指的市场地位，是世界上最大的乙酰基产品制造商之一，产品包括醋酸、醋酸乙烯和聚甲醛，公司在聚合物领域内也具有世界领先地位。

The relationship between the melt index, the tensile strength and the stress-crack resistance, and that between the end-group structure and thermal stability of copo-lymer of tetrafluoroethylene and hexafluoropropylene have been studied.

研究了四氟乙烯和六氟丙烯共聚物的熔融指数，抗张强度和耐应力开裂之间，以及端基和热稳定性之间的关系。

The detection of gas products was performed by the coupled simultaneous Fourier transform infared spectroscopy. The experimental results showed that the principal product of the pyrolysis is tetrafluoroethylene.

同步傅立叶变换红外光谱仪对氮气气氛下热解的气体产物进行检测，检测分析到PTFE的主要热解产物为四氟乙烯单体。

The intermediate 5-amino-1H-pyrazole-4-carboxylic acid ethyl ester prepared in the first part underwent successively hydrazinolysis, condensations with ketene dithioacetals and alkylations to give rise to the dipyrazolyhnethanes.

从第一部分中的中间体5-氨基-1H-吡唑-4-羧酸乙酯开始，经过肼解、与乙烯酮二硫代缩醛的缩合反应和烷基化反应，合成了二吡唑基甲酮类化合物。

The addition of Cu inhibits the formation of the dissociatively adsorbed species--ethylidyne but promotes the formation of undissociatively adsorbed species--π and di-σ species for ethylene adsorption on Pd-Cu/SiO2 catalysts.

Cu的加入可抑制乙烯在Pd表面解离吸附为乙川，促进了非解离的di-σ和π吸附态形成。

It is important to use the best available water blended with not more than 60 percent ethylene glycol base antifreeze or 50 percent propylene glycol base antifreeze.

最重要的是要利用现有的水混合不超过60%或50%乙烯丙烯乙二醇防冻剂乙二醇基制药基地。

After put the melamine-formaldehyde resin to modify polyvinyl acetate emulsion,the effects of copolymonomer,PVA,emulsifying agent and initiator on emulsion property were viewed.

实验结果表明，改性胶粘剂的耐水性和粘接强度较普通的聚醋酸乙烯乳液有明显提高。

The results showed that, with increase of polymerization number , the activities of lipase in SEPESes/isooctane reversed micelles reached the maximum and then decreased. The lipase activity at optimal n (=2. 0) was 2. 2-fold of that in AOT/isooctane system.

结果表明，脂酶在SEPES／异辛烷反胶团中的活性随氧乙烯聚合数增大先增后降，在n=2.0左右达到最大，为AOT／异辛烷反胶团中的2.2倍。

In particular, the present invention concerns a process and an apparatus for continuous polymerisation olefin monomers like ethylene and other monomers, wherein an olefin monomer is polymerised in slurry phase in an inert hydrocarbon diluent in at least one loop reactor.

本发明尤其涉及连续聚合烯烃单体如乙烯和其它单体的方法和设备，其中烯烃单体在至少一个回路反应器内惰性烃稀释剂中的浆料相内聚合。

I was in Liaoning Panjin Ethylene Huajin Group as a sales agent in Shanghai, is China National Petroleum Corporation, Sinopec Shanghai distributors.

我公司被辽宁华锦集团盘锦乙烯列为上海销售的总代理，是中石油、中石化在上海的分销商。

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。