发酵液经超滤浓缩、硫酸铵沉淀、阴离子交换色谱和分子筛色谱，获得了纯度为90%的SEC2，总收率23%。
SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.
先将液态丙烯汽化成气态，用气体进样阀将气态丙烯样品进样到气相色谱仪中，由5A分子筛填充柱进行分离，用TCD检测器检测，外标法定量。
Propylene was vaporized from liquid to gas, then sampled to GC by gas sample valve, separated in 5A molecular sieve column, and determined with TCD.
该纳米沸石分子筛组装体用于亲和色谱柱的填充后可有效分离蛋白质分子。
The nano zeolite molecular sieve is filled to affinity chromatographic column for separating protein molecule effectively.
建立了应用迎头色谱技术测量分子筛中扩散系数的方法。本文详细讨论了处理迎头曲线的简化模型。
The frontal gas chromatographic method is established for measuring the diffusivity in zeolite molecular sieves, Report 1 gives the simplified models for analyzing the breakthrough curves.
建立了应用迎头色谱技术测量分子筛中扩散系数的方法。本文详细讨论了处理迎头曲线的简化模型。
The frontal gas chromatographic method is established for measuring the diffusivity in zeolite molecular sieves, Report 1 gives the simplified models for analyzing the breakthrough curves.
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