The functions of their diffuseness, orientation, agglomeration, catalyzer and controls are indispensable factors of science development.其传播功能 、 导向功能 、 凝聚功能 、 催化功能和控制功能等等是科学事业发展中必不可少的重要因素....
The phenyl ofp n propylbenzoic acid could be reduced by sodium alkoxide.醇钠可以还原对丙基苯甲酸中的苯环.Poly ( L - lactide ) ( PLLA ) was synthesized by ring - opening polymerization of L - lactide using cyclic tin alkoxide compound as...
The moves contravene the peace plan agreed by both sides.这些举措违反了双方同意的和平方案.He said the article did not contravene the industry's code of conduct.他说这一条款并未违反行业的行为准则。Her actions contravene the rules.她的所作所为违反了规定....