The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The results demonstrate that this catalyse has an excellent activity and selectivity this reaction.结果表明该催化剂对此合成反应具有很...
小鼠中的H -2 同种抗原是最强的组织相容性抗原.In mice the H - 2 isoantigens are the strongest histocompatibility antigens.某些抗原或者联合抗原可比其它抗原作用强得多.Some antigens, or combinations of antigens, are much more potent than others.抗原与致敏的肥大细胞表面互相作用.Ant...
The sessions will enable you to discuss problems with fellow asthma sufferers.这些环节让你和其他哮喘病患者一起讨论问题.This dictionary will enable better international understanding.这部辞典将促进国际间更好的理解.This is but a foretaste of what the emergi...
When he came to and raised his head he saw Barney.他苏醒过来,抬起头,看见了巴尼。He heaved Barney to his feet.他拉巴尼站了起来。I'll pround it that Barney's managing properly.我敢打赌,巴尼的做法一定很稳当....
1818年菲涅耳参加了法国科学院主办的一次竞赛.In 1818 Fresnel entered a competition sponsored by French Academy.菲涅耳通过加进来干涉概念,解决了这个困难.The difficulty was resolved by Fresnel with his addition of the concept of interference.在许多情况下, 对于我们的目的来说,更简单...
You shouldn't mollycoddle your kids.你不应该溺爱你的孩子。Let's not mollycoddle our students!我们不能纵容学生.The mollycoddle does no interest in everything.那个乏味的家伙几乎对什么都不感兴趣....