The advances in the process technology for the enzymatic synthesis of cephalexin are reviewed.综述了酶法合成头孢氨苄的工艺方法研究进展.Diglyceride, a kind of metabolic intermediate of oil & fat , can be produced biochemical and enzymatic sy...
The results showed that Yb ( OSO 2 C 8 F 17 ) 3 and C 10 F 18 were the best catalyst and fluorous solvent respec - tively.研究表明Yb ( OSO2C8F17 ) 3和C10F18分别是最好的氟代催化剂和氟溶剂.The FBC ( fluorous biphase catalysis ) is a new nonaq...
此刻大雨滂沱。The rain now was pelting down.大雨滂沱, 我们全身都湿透了.The rain fell in torrents , insomuch that we were wet through.大雨滂沱.The rain came down with a vengeance....
He was charged with abducting a taxi driver and forcing him to drive a bomb to Downing Street...他被控劫持一名出租车司机并强迫他开车把一颗炸弹送到唐宁街。She was charged with abducting a six-month-old child.她被控诱拐一个6个月大的孩子。At the same time, the rate ...