养蚕是为了得到蚕丝.Silkworm culture is practised in order to get silk.在蚕丝中, 更确切地讲,这些链是反向平行的.In silk, it would be better to describe the chains as being antiparallel.请描述蚕丝与蜘蛛丝的分子结构.Describe the molecular structures of silk and the...
这些参数导致了特定固定相的分离行为.These parameters contribute to the chromatographic behaviour of a particular stationary phase.方法使用薄层色谱法, 以硅胶 GF254 为固定相.Methods: TLC method was applied , the stationary phase was GF _ ( 254 ).考察了一些手性化合物...
He has also had managerial experience on every level.他还有各个层级的管理经验。His treatment of his secretary was a blatant example of managerial arrogance.他管理的傲慢作风在他对待秘书的态度上表露无遗.She was promoted into some kind of managerial job.她被提拔...
We listened to him pour out his troubles.我们听到他倾诉他的苦衷.You do the honors and pour out the tea while I bring in the cakes.你来招待客人倒茶,我去拿糕点.The fabulous statistics continued to pour out of the telescreen.电幕上神话般的数字不断奔涌出来....