以酸性黑油为原料合成咪唑啉.The imidazoline was synthesized from black acid liquid.目的:探索出在咪唑啉酮2号位引入2-巯基苯骈噻唑的适宜反应条件.Objective To optimize the reaction condition of 2 - mercaptobenzothiaozole ramification.以环烷酸、有机胺为原料合成咪唑啉油溶性缓蚀剂.A new ty...
So it is very important to choose and utilize idlers.因此,合理的选择和使用托辊非常重要.Some street idlers were making Fescennine comments on passing girls.街上一些游手好闲之徒正在封路过的女孩们用猥亵言语评头论足.I have no time for idlers.我讨厌游手好闲的人....
We draw a conclusion that BSG can be a carricer for NCF.BSG+NCF优于单纯NCF. 证实BSG可作NGF的载体.I find it difficult to draw a conclusion on that.我觉得此事难下结论.It may draw a conclusion that the results coincide with the truth.得出计算结果与实际...
A train of antiquated coaches was waiting for us at the siding.一列陈旧的火车在侧线上等着我们.I've built this siding four times.我设计这条支线已有四次了.The train was switched into a siding.这列火车已转辙至傍轨....
Rattlesnake skin is used for fancy bags and purses.响尾蛇皮被用来制作精美的提包和钱包.He had been bitten by a rattlesnake.他被响尾蛇咬过。We saw a real live rattlesnake!我们看到一条真的响尾蛇!She killed with a hoe the biggest rattlesnake ever seen in this ...