给电子体
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文章详细信息 关键词： 乙烯;四聚;1-辛烯;给电子体;六氯乙烷;铬 [gap=461]Keywords: ethylene;tetramerization;1-octene;electron donor;hexachloroethane;chromium
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内给电子体 internal electron donor
外给电子体 external electron donor
丙醇给电子体 XROH
电子给体 [物化] electron donor ; Donor
电子给予体 [物化] electron donor ; electron donner
电子对给体 electron pair donor ; Electronic Pair Devote
电子对给予体 electron pair donor
使用电子给予体 electron-donating agent
电子给受体络合物 electron donor-acceptor complex
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electron donor - 引用次数：9
It also could be concluded that the active centers forming blocky copolymer are coordinated with electron donor,whereas the active centers producing random copolymer are likely to be complexed with alkyl aluminium compound.
并认为高嵌段性活性中心与给电子体结合较紧密,而无规活性中心仅受烷基铝种类的影响。
参考来源 - 负载型钛催化剂催化乙烯—丙烯共聚合及PP/EPR反应器合金的结构性能优化
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句原声例句
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通过对一种1,4 -二醚为内给电子体的聚丙烯催化剂进行性能研究，揭示此类催化剂的一些特殊性能。
The internal donor is 1, 4-diether in this polypropylene catalyst, and this catalyst has some special properties.
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研究了所合成的催化剂催化丙烯常压聚合反应行为，考察了琥珀酸酯类给电子体对催化剂活性及聚丙烯等规度的影响。
The behaviors of propylene polymerization under atmospheric pressure and the influence of electron donors on the activity and the isotacticity of the catalyst were investigated.
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结合室内模拟环道评价装置，测定聚合物的减阻性能，确定DDS作为外给电子体对聚合活性中心数量和分布的调变作用。
By determining drag reduction efficiency of polymer in a simulative loop evaluation apparatus, effects of DDS as external electron donor on number and distribution of active centers were confirmed.
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OK, elements with low average valence electron energy, and here I'm saying below 11 electron volts, these are good electron donors.
平均价电子能都较低的元素，我是指那些低于11电子伏的，这些是很好的电子给体。
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In other words, for an electron donor to give up its electron, the electron donor needs to have an electron acceptor.
换句话说，如果一个电子给体要失去电子，它就必须找到一个电子受体。
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These are elements that are good electron donors.
这些元素是很好的电子给体。
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