tertiary amine extracting agent 叔胺萃取剂
primary amine extracting agent 伯胺萃取剂
secondary amine extracting agent 仲胺萃取剂
quaternary ammonium extracting agent 季铵萃取剂
protein extracting agent 蛋白提取剂
organophosphorus extracting agent 有机磷萃取剂
P204 extracting agent P204萃取剂
organic extracting agent 有机萃取剂
COD removal rate of the wastewater has not been reduced after 10time reuse of the extracting agent.
萃取后的络合相经碱解分离即可回收萃取剂，萃取剂循环使用10次，废水的COD去除率无下降趋势。
Dichloromethane was used as extracting agent for the extraction, and then vacuum rotatory evaporator was used for the concentration.
以二氯甲烷为萃取剂对茅台迎宾酒中的微量成分进行了萃取，然后用真空旋转蒸发器将其浓缩。
Moreover, the condition of extraction about many factors, for example, the effect of extracting agent, temperature, time, pH valve and species were studied in th…
甘草酸提取的众多影响因素中，存在显著性差异的是提取温度、提取次数、提取时间、加酸量和甘草等级。
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