1、

Separating Copper Ion in Aqueous Solution by Foam fractionation Method

泡沫法分离溶液中铜离子

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3、

Fractionation of Soluble COD in Wastewater Based on Batch Respirometric Method

基于批式呼吸计量法的溶解性COD组分划分

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4、

The sample pretreatment method can meet the requirement of boron isotopic determination by thermal ionization mass spectrometry without any isotopic fractionation of boron. The precision for boron isotopic determination is better than 0.05% RSD.

采用该方法从岩石样品中提取、分离出来的硼能满足硼同位素质谱法测定的需要,不产生硼同位素分馏,硼同位素测定精度大多优于0.05%。

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5、

Purification of the unrefined oil by supercritical carbon dioxide fractionation is a new method.

利用超临界CO2萃取对毛油进行精炼,是一项新的油脂精炼方法.

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6、

The process of cooling system in ethylene unit was introduced, the primary fractionation system in the ethylene unit was simulated by using Pro/ ⅱ software, and the components of pyrolytic gas were obtained by the backing-out method.

介绍了乙烯装置急冷系统的工艺流程,运用PRO/Ⅱ软件对乙烯装置初分馏系统进行了模拟,其裂解气成分采用反推法获取。

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