The disulfide Bridges are formed selectively after isolation, and the final purification is effected by chromatographic procedures.

二硫键形成的选择性分离后，最终由色谱净化工序的影响。

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An analysis is made of the feasibility of the recovery of spent lye from final purification for use in the desulfurization section, and a description is given of the measures of technical renovation.

分析了精炼废碱液回收至脱硫岗位应用的可行性，叙述了技术改造措施。

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Orange County takes "highly treated" sewer water and sends it through various filtration and purification processes, until the final product exceeds the standards for most drinking water.

据报道，奥兰治县采用了非常“高效的污水处理”技术，经过层层过滤和净化过程，最后的水质超过了多数饮用水的标准。

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The choice of purification methods and the source of the drug will determine the nature and amount of contaminants in the final medicine. (Nothing is ever 100% pure.) Moreover, protein folding, various kinds of enzymatic modifications and impurities inevitably introduce variation, sometimes with unexpected results.

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