The invention relates to a Nimesulide compound and a purification method thereof.

本发明涉及一种尼美舒利化合物及其纯化方法。

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The invention relates to a purification method of phosphoric acid, which belongs to the technical field of phosphorous chemical industry.

本发明涉及一种磷酸的净化方法，属于磷化工技术领域。

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This dissertation aimed to screen the strains and develop a purification method of dehalogenase. These will contribute to the product of optically activated (S)-2-CPA and (R)-2-CPA.

本文的研究目的是筛选对2-氯丙酸具有脱氯能力的菌株，并建立脱卤酶的分离纯化方法，从而为利用脱卤酶生产（S）-及（R）-构型光学活性2-氯丙酸奠定基础。

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By the end of that year drug company Eli Lilly and Company had devised a method for much higher purification.

FORBES: When Genetic Engineering Came Of Age