After Fe - Chelate fertilization rinse the leafs with water.施完螯合铁肥后用清水漂洗叶子.Afterchloroform was evaporated , it was used as chelate complex chromatographic stationary phase to purify puerarin extractive.建立了采用配位色谱柱从葛根素浸膏中分...
But, of the vertebrates, unpredictable Nature selected only snakes ( and one lizard ).但是, 在脊椎动物中, 神秘莫测的大自然只选择了蛇 ( 和一种蜥蜴 ).Most people seem to be petrified of snakes.好像很多人都怕蛇。any of various pale blotched snakes带有灰白色斑点的蛇He...