Ther result shows that the mechanism is probably that the electrostatic field polarizes the catalase solution.研究表明:高压静电场对酶活力的稳定作用很可能是高压静电场使酶及溶液发生极化作用产生的.For particulates, the favored devices are inertial impactors, cyclo...
the serpentine course of the river蜿蜒曲折的河道Serpentine often contains some asbestos , and should be used with caution .因为蛇纹石往往包含了一些石棉，收集时应谨慎。One part of the Serpentine is kept for swimmers.蜿蜒河的一段划为游泳区....
Training includes realistic simulation of casualty procedures.培训包括对急救过程的真实模拟。I was taken to casualty at St Thomas's Hospital.我被送往圣·托马斯医院的急救室。Mr. Jones was the first casualty of the firm's cut-backs.琼斯先生在公司裁员中是第...