英语词典
Lagerstroemia indica flower was extracted by intermittent oscillation with solvents of mineral ether, water and the 95% ethanol., the growth and development effects of three solvents on the larvae of Helicoverpa armigera were tested.
采用水、石油醚和95%乙醇三种不同极性溶剂,通过间歇震荡法对紫薇花干粉进行提取,并测定了三种提取物对棉铃虫生长发育的影响。
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