The high laevorotation of L - cystine depends on a specially helical structure of its molecular.指出了L - 胱氨酸高度的左旋性是由其分子的特殊螺旋结构决定的.L - Cysteine is a, neutral, genetically coded amino acid, derived from cystine and found in ...
Friends gathered at a memorial for the late statesman.这位已故政治家的生前好友为他举行了纪念仪式.The statesman is much occupied with affairs of state.那个政治家忙于国事。He was acknowledged as an able statesman.他被公认为是个有才干的政治家。His historical sweep made...
Objective To study on clinical, pathological, radiological feature and treatment of the desmoplastic fibroma ( DF ) in the calvaria.目的探讨颅骨硬纤维瘤 ( desmoplasticfibroma,DF ) 的临床 、 病理 、 放射学特征及治疗方法....
the Firth of Clyde克莱德湾Waterfalls never fail to attract and those at the Falls of Clyde are no exception.瀑布向来都不乏吸引力，克莱德瀑布群也不例外。With this parting admonition, he left Clyde to his thoughts.这样临行前劝告了一番, 他就走了,留下克莱德自己想心事.The en...