Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).
研究土木香挥发油的
学成
,并比较水蒸气蒸馏提
(SD)与超临界CO2萃(SFE)所
土木香挥发性成的差异。
cuì qǔ huà xué
extraction chemistry
This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid.
离子交换剂在萃色谱
到了广泛的应用，本文详细总结了离子交换剂在
学用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的离与测定。
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