A process for recovery of rare earth from filter liquor of molecular sieve manufacture by extraction was described, including laboratory experimental, pilot test results and industrial performance.
本文介绍了从分子筛制造过程的滤液中用萃取法回收稀土的工艺，给出了小试、中试及工业装置运转结果。
Presented in the paper is a study of molecular weight distribution of organic matter and the removal of organic matter by using coated filter media and activated carbon in combination.
研究了改性滤料和活性炭去除有机物的分子量分布特性，以及二者结合使用时去除有机物的特性。
Methods Purify plasmid DNA by a procedure consisting of alkaline lysis, ultrafiltration with hollow fiber filter, hydrophobic chromatography and molecular sieve chromatography.
方法采用碱裂解、中空纤维超滤浓缩、疏水层析、分子筛等分离技术纯化质粒dna。
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