The adsorption behaviour of cephalexin on hanging mercury electrode surface is reported.报道了头孢氨苄在悬汞电极表面的吸附行为.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...
Thousands of protestors converged on Washington today.今天几千名反战者聚集在华胜顿.Competitors from more than a hundred countries have converged on Sheffield for the Games...来自100多个国家的选手齐聚设菲尔德参加此次运动会。Angry crowds converged on the spea...