Objective To evaluate the stability of the controlled - release pellets of dextromethorphan hydrobromide.目的考察氢溴酸右美沙芬控释胶囊的稳定性.Dextromethorphan hydrobromide sustained - release matrix pellets were produced by extrusion - s...
To shake or tremble, as from old age; totter.因年老而颤抖; 蹒跚而行.Teeter - totter caught up bein a father and a prima donna.当爸和挣钱回家不知顾哪头才好.Just a few more days, till we totter in the road!再过几天, 我们将蹒跚着走上大路!...
乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.同时可以供应己二酸螺旋霉素,恩波酸螺旋霉素.Spiramycin adipate and spiramycin embonate are also available for animal use...
Once the ovum is released it has a lifespan of 12 to 36 hours.卵子排出后可存活12至36小时。an immature ovum未成熟的卵细胞One way is taking the cell from a fertilized ovum.一种方法是从受精卵中取出细胞.By day 11 the ovum begins to attach and implant in the...