Isoprene could be deeply hydrogenated to isopentane on nickel catalyst.异戊二烯在镍基催化剂作用下可深度加氢为异戊烷.Development proposals of isoprene rubber in China were put forward.结合我国的实际情况,提出了发展我国异戊橡胶的几点看法.Polymerization of isoprene in th...
the legendary Orson Welles名扬四海的奥森∙韦尔斯In the later stages of his directorial career, Orson Welles began work on several ambitious films.在其导演生涯的后半阶段，奥森·韦尔斯开始执导起了几部恢宏巨制。If Orson can do those things, who knows where all this...
他们15岁就辍学了，几乎未接受过正式的写作训练。They had left school at fifteen and were quite untutored in writing.从某些方面来说，正式的开幕仪式只不过是走个形式。In some ways, the official opening is a formality.这两项协议之间不存在正式的关联。There is no formal linkage between the...
嗯，且慢，我并不完全同意这个前提。Well, now just a second, I don't altogether agree with the premise.且慢, 先让我做一下示范.Wait a moment, let me give you a demonstration.且慢, 等我把话说完.Wait a minute , let me finish what I have to say....
Contradiction is headspring of all movements. Movements are all Contradictions'fountainheads.矛盾是一切运动的动力, 运动是一切矛盾的源泉.However, there exist contradictions in terms of legislative content and practices in investigatory ...
我们是它的独一无二的武器供应者.We are its exclusive military supplier.在通信技术中, 利用 家用终端, 如可视数据检索系统等, 向供应者订货.In communications, the use of domestic terminal , e . g . , viewdata, to order goodsfrom a supplier.那么,内容供应者就会认出,并拒绝该请求.The conte...
A worker was decapitated when a lift plummeted down the shaft on top of him...电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。A worker was decapitated when a lift plummeted down the shaft on top of him.电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。The jet burst into...