Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of polyhalides depends on the combination of a central halide ion with a halogen.多卤...
Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of p...
He divulged nothing to him save the terrible handicap of being young.他想不出个所以然来,只是想到自己年纪尚幼,极端不利.All Villefort's influence barely enabled him to stifle the secret Dantes had so nearly divulged.维尔福用尽全部力量才刚刚能封住那几乎被邓蒂斯所泄...
The spectre of neo-fascism, as he put it, was stalking the streets of Sofia and other big cities.用他的话来说，新法西斯主义的幽灵正在索非亚和其他大城市中游荡。Sofia was attractive and formidably intelligent.索菲娅很有魅力，而且才智过人。Sofia Petrovna co-opted Natas...
煤被干馏后剩下固体残余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.泥煤焦油的性质和由木材干馏所得到的焦油的性质相似.Peat tar has similar properties to the tar derived from the destructive distillation of wood.干馏段: 采用优质高炉粘土砖砌筑,内置中心管.P...
The Europeans had hoped to win, and, indeed, had looked like winning.欧洲人早就想赢了，而且他们看上去的确是一副要赢的样子。If the Europeans did not reduce subsidies, a trade war would ensue.如果欧洲人不减少补贴，便会发生贸易战。This was one of the first areas to be ...