Results Galangin was obtained step column chromatography of polyamide only once.结果运用聚酰胺柱层析一次分离,获得有效成分高良姜素.Results Galangin was obtained by on - step column chromatography of polyamide only once.结果运用聚酰胺柱层析 - 次分离,获得有效成分高良姜...
小路因干旱变得又干又滑。The path was dry and slithery from the drought.实际上，因为干旱，很多粮食作物歉收。In fact many food crops failed because of the drought.在干旱时期配给农民的水量减少。Water allotments to farmers were cut back in the drought....
It is occasionally necessary to use a number system to designate the position of each ligand.有时需要用一种编号系统来标明各配体的位置.Japan's Prime Minister-designate is completing his Cabinet today.日本的当选首相今日将完成组阁。There are efforts und...