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- nanopar ticles 纳米微粒
- Results The tes ticles of 5 cases with short time or incomplete torsion were salvaged by operati ve detorsion. 结果5例扭转时间短或不全扭转者经手术复位后保留了睾丸。
- Bulk polymerization of isobutene(IB) initiated by TiCl 4/t butyl tricholoroacetate (tBTCA) was investigated. Ti Cl4 / 三氯乙酸叔丁酯(t B T C A) 引发体系可以用于异丁烯的本体聚合。
- High efficiency supported ethylene polymerization catalysts of TiCl 4 -Ni(acac) 2/MgCl 2 SiO 2 ZnCl 2/AlR 3 promoted with SiCl 4(A) and PPh 3(B) were prepared. 制备了SiCl4、PPh3促进的MgCl2 -SiO2 -ZnCl2 为载体 ,TiCl4/Ni(acac) 2 为主催化剂的A、B型乙烯聚合高效催化剂。
- Two types polymer supported titanium catalysts, TiCl 4/SAA and TiCl 4/EAC, have been synthesized, where poly(styrene acrylamide) and poly(ethylene acrylic acid) were used as carriers respectively. 分别以聚(苯乙烯-丙烯酰胺)(SAA)和聚(乙烯-丙烯酸)(EAC)为载体,合成了两类聚合物载体钛系催化剂。
- rat live mitochondria(and submitochondrial pa ticles derived by)digitonin(treatment) 经洋地黄皂甙处理得到的大鼠肝的线粒体(及亚线粒体颗粒)
- Keywords TiCl 4;Ni(acac) 2;SiCl 4;PPh 3;oligomerization;in site copolymerization;polyethylene; 四氯化钛;乙酰丙酮镍;三苯基膦;四氯化硅;齐聚和原位共聚;聚乙烯;
- Keywords Ni(acac) 2;TiCl 4;SiCl 4;complex catalyst;ethylene oligomerization;in situ copolymerization; 乙酰丙酮镍;四氯化钛;复合催化剂;四氯化硅;乙烯聚合;