溶剂萃取分离中的协同萃取，是形成混配多元络合物的主要表现。
The synergic extraction is main to from multicomponent complex of mixed ligand in extractive separation.
本研究测定了金、银硫脲络合物的溶解度曲线，它给结晶法分离金、银提供了理论依据。
In this research the solubility curves of the thiourea complexes are measured and these curves provide the theory basis for separating sold from silver with crystallizing method.
用尿素饱和水溶液，有机氯化物为活化剂，生成的尿素-正烷烃络合物成球状，易于过滤分离。
With water as urea solvent and an organic chlorine compound as activator, the adducts formed into small spheres which are easily filterable.
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