查询词典 ethylene

Fruits that release a lot of ethylene also include apricots, melons and tomatoes.

能释放大量乙烯气体的水果还有杏子、瓜和西红柿。

Both stereo effect and electron effect of borane on the activity of ethylene polymerization were investigated.

我们研究了硼化物的体积效应和电子效应对茂金属催化体系聚合活性的影响。

Finally, the influence of trialkyl borane BPh〓, B (c-hexyl 〓 and B 〓 on ethylene polymerization by metallocene was studied.

本文还研究了烷基硼化物BPh〓、B(c-hexyl〓和B〓对茂金属催化体系的影响。

The enzyme ACC oxidase,catalysing the last step in the biosynthesis of the plant hormone ethylene,is the key enzyme in the course.

ACC氧化酶是乙烯生物合成途径的限速酶。

As 8 million tons / year the building of constant decompression device put into production, 3.3 million tons / year plant of an a batch of derv hydrogenation device construction that build a project, ethylene transforms survey of spot of project project make one's bow easily to evaluate, company and refine changed a ministry to welcome a rare development opportunity again.

梗概： 2005年，随着800万吨/年常减压装置的建成投产、330万吨/年柴油加氢装置等一批新建项目的建设、1号乙烯装置易地改造工程项目正式进入现场调研评估，公司和炼化部又迎来了一个难得的发展机遇。

The alkylation of deuterated benzene with ethylene catalyzed by the dehydrated Cl/FeCl3 ionic liquid was investigated by GC-MS and 1H NMR.

将合成的Cl/FeCl3离子液体脱水，并采用同位素置换的方法研究了离子液体催化全氘代苯与乙烯的烷基化反应机理。

Segmented polyester polyurethaneurea based n 4, 4'-disphenylmethane diisocyanate, ethylene diamine and polybutylene adipate elastomers and their deuterated polymers were studied by means of IR spectroscopy.

用红外光谱法对基於4，4'-二苯基甲烷二异氰酸酯、乙二胺和聚己二酸丁二醇酯的嵌段聚酯型聚脲氨酯弹性体及其氘化產物进行了研究。

Ethylene oxide gas, used to sterilize hemodialysis equipment, is a known neurotoxin and residual gas remains in dialyzers after airing.

众所周知，用于消毒血透器材的环氧乙烷有神经毒性，经通风后仍有EO残留在透析器内。

To test whether ethylene oxide retained in the dialyzers might be neurotoxic, tissue culture medium was incubated in the blood compartment of dialyzers.

如果组织培养基在透析器内孵育，然后将鼠的背根神经节（DRG培养物暴露于此培养基中，则DRG的特异性变化会发生。

Herein the latest developments of olefin aqueous polymerization which are mainly promoted by late- transition metal catalysts are reviewed including ethylene,α-olefins, cyclo-olefins and dienes polymerization, along with ROMP of cyclo-olefins and CO/olefins copolymerization.

本文综述了后过渡金属催化剂水相催化烯烃配位聚合的一些新进展，内容包括烯、α-烯烃、环烯烃、二烯烃的聚合反应和环烯烃的开环聚合反应以及CO/烯烃的共聚反应等方面。

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。