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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.

离子交换剂在萃取到了广泛的应用,本文详细总结了离子交换剂在分化学用于碱金属、碱土金属、贵金属、稀土、锕系的分离与测定。

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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化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所土木香挥发性成分的差异。

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PBS地球-俯瞰世界

In order to extract rare earth elements from the Berkeley pit, researchers are testing new chemical techniques that could bind specifically to rare earth elements.

为从伯克水体中提取稀土元素,究人员正在试验新型技术,精准吸附分离稀土物质。

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dentelated, denter, dentes, dentex, denthion, denti-, dentiaskiascope, denticare, denticle, denticular,

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3G, 401(K), a,
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