Many microorganisms possess the ability to dehydrohalogenate DDT to DDE.许多微生物使滴滴涕脱卤化氢变为滴滴依.The house is regularly spraying with DDT.房屋是定期用DDT喷洒.The insects can be exterminated by spraying DDT.可以用喷撒滴滴涕的方法大量杀死这种昆虫.Thousand...
John Stevenson is Reader in History at the University of Sheffield.约翰·史蒂文森是谢菲尔德大学的历史学高级讲师。Stevenson's deeply felt performance is a tour-de-force.史蒂文森感人肺腑的表演真是绝了。We elected Mr. Stevenson to head the team.我们选举了斯蒂文森先生率...
leucyl leucine亮氨酰亮氨酸Cottonseed meal is deficient in lysine, methionine and leucine.?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是...