本文列举了一些含卤族元素的氧化剂对不同种类醇的选择性氧化实例.This article enumerate some Halogen - based oxidants and their some important applying examples.我们认为这是卤族离子与芳羧酸吸附竞争,使芳羧酸分子从银胶表面脱附所导致的.The influence of halogen ions on SERS of aromatic acids ...
将用钢缆替换磨损的绳索。Steel cable will be used to replace worn ropes.这个男人和他的儿子马克曾沿绳索爬下过这些陡峭的悬崖。The man and his son Mark had abseiled down the sheer cliffs.他皮肤下的筋腱像绳索一样暴突出来。His tendons stood out like rope beneath his skin....