Solvent extraction technique has been widely used in the recovery of platinum metals from secondary resources due to its strong extraction and separation ability.

溶剂萃取技术作为一种有效的提取分离方法在铂族金属二次资源的回收中得到广泛重视。

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Also, the modulation of polypeptide chain and solvent environment on secondary structure of peptide segment was discussed.

并讨论了蛋白质肽链和溶剂环境对肽段二级结构的调制作用。

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The effects caused by different addition quantities of organic solvent and different addition time on the cell growth and secondary metabolites production were studied.

研究了不同的有机相添加比例与加入时间对细胞生长、次生产物代谢的影响；

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On this plan, the EFSF could then be a proper European Monetary Fund, with one side managing adjustment programmes and (where necessary) orderly debt restructuring, and the other side using ECB liquidity to support confidence in solvent but troubled governments, by buying their bonds on the secondary market.

BBC: Central banks and the 'spirit of 2008'