In specific acid catalysis, the undissociated acids do not contribute.在特殊的酸催化中, 不离解的酸不起作用.The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.Catalysis has increased the rate o...
Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...
苦恼是无谓的。There's no point in getting upset.化学品在无谓地污染着土壤。Chemicals were pointlessly poisoning the soil.防守队员完全因为粗心大意而造成了无谓的失球。The defence conceded stupid goals through sheer carelessness....
目的: 测定知柏地黄丸中盐酸小檗碱的含量.Objective : To analyse the content of berberine hydrochloride in Zhibai Dihuang Wan.结果:双黄补牙周缓释药条中黄芩苷63%,盐酸小檗碱含量%.RESULTS 63 % of baicalein and % of berberine hydrochloride in the strip.目的: 测定香连丸中盐酸小檗...
Objective: In this paper, antitussive , antiasthmatic and expectorant action of chenodeoxycholine acid ( CDCA ) were studied.目的: 本文研究鹅去氧胆酸 ( CDCA ) 对呼吸系统的影响.Aim To study antitussive, expectorant and antiasthmatic effects...