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...
Borax must be reduced to powder for infants.硼砂必须研成细粉才能供婴儿使用.Borax is the compound commonly applied to the soil to correct boron deficiency.硼砂是矫正土壤缺硼的常用硼化合物.It was investigated that chromizing in borax salt bath and melti...
High achievers will receive cash bonuses.业绩出众的人会获得现金奖励。The firm's employees were expecting large bonuses.这家公司的雇员期待着发放大笔奖金。These returns will not be enough to meet the payment of annual bonuses to policyholders.这些收益不...
甲烷和丙烷是烷烃。Methane and propane are alkanes.丙烷气钢瓶a propane gas cylinder亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process....
当我和失散已久的兄弟见面时,我激动得说不出话.Words failed me when I met my long - lost brothers.我只逮住了正在吃小鱼的金枪鱼群中一条失散的.I picked up only a straggler from the albacore that were feeding.我们终于在一家酒馆里找到了我们失散的伙伴.We finally tracked down our lost compa...
In humans, the pars intermedia is a rudimentary region.人的脑垂体中间部是不发达的.They were given only rudimentary training in the job.他们仅仅受到过基本的职业训练。I have only a rudimentary knowledge of chemistry.我只有些粗浅的化学知识....a kind of rudimenta...
Claire spent the morning in a wicker rocker on the screened porch with a book.克莱尔整个早上都在装着纱窗的走廊里坐在柳条摇椅上看书。Then she went back to the rocker to think.然后她走到摇椅边,坐下来思索.His landlady appeared to be slightly off her rocker.看来他的女房...