Polymerization of isoprene in the presence of ( NdCl 3 + FeCl 3 ) n Phen HAl - ( i - Bu ) 2 was studied.本文报道由(NdCl_3+FeCl_3 ) ·nphen -HAl ( i -Bu ) _2催化体系引发异戊二烯聚合的结果.There is a great deal to learn from Hal's expert ...
贤人自蠢人学得者,较蠢人自贤人学得者为多.Wise men lean more from fool than fool from wise men.广厦之下,必有贤人.There must be people of virtue inside a great mansion.每年的冬至都要邀请一些乡里的贤人参加这项盛大的典礼.Local sages are invited to the grand ceremony in midwint...
拖网渔船已经驶离了泽布吕赫港。The trawler had sailed from the port of Zeebrugge.他们曾见过他用拖网捕鱼，因此知道那里有鱼。They had seen him trawling and therefore knew that there were fish.渔船已出海,在海湾用拖网捕鱼.The boat were out trawling the bay....
摘要制浆与造纸厂排放之废水经常含有色质,最常见的是木质素碎片形成发色团,使废水呈现黄褐色;制造色纸也常有残留染料使废水呈色.Pulp and paper mills emit effluents that are often tainted with color substances.结果: 蛋白质通过静电引力和范德华力以及π电子同发色团相互作用.Results: The protein and the chromophore of l...