Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.The general answer to this problem is to avoid alkyl halides.解决这一问题的一般办法是避免使用烷基卤.Nonionic surface - active a...
You get a big salary incentive and free board and lodging too.你们能获得大笔激励性薪水，还可享受免费膳宿。A little bonus will give the employees an incentive to work harder.一点奖金可以刺激雇员更加努力地工作.Money is still a major incentive in most occupation...
Frederic Chopin stayed in this room during his visit.肖邦当时就是住在这个房间里.Piano poet Frederic Francois Chopin combined them perfectly.钢琴诗人肖邦却将两者完美地结合在一起.Hermann Ebbinghaus and Frederic Bartlett , two poineers of memory research...