粘土矿物能催化脱羧基作用是早已认识到的问题.The ability of clay minerals to catalyse decarboxylation has long been recognised.这些部位包括羧基 、 羰基 、 环氧基和氨基等.These sites include, carboxyl, epoxy, amino and the like.结果表明,燕化公司研究院研制生产的YH -05 羧基丁苯胶乳各项性能指...
不懂装懂就会闹笑话.If you pretend to know what you don't know , you'll only make a fool of yourself.辛楣 自信 是有道德的君子,断不闹笑话.He considered himself much too high - minded ever to get himself involved in a scandal....
There are two walk-in closets in her home.她家里有两个可走进人的大壁橱。OK. Are you going to clean the closets out?好的. 你要把橱柜里的东西清理出来 吗 ?Everybody accumulates stuff, and many of us have cluttered closets and drawers.人人都会积攒东西, 而且我们中许多人的壁...