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Gas phase fractionation method using porous ceramic membrane .

使用多孔陶瓷薄膜的气态分馏法。

Why is this an important consideration in studies involving cell fractionation ?

为什么在涉及细胞的分级分离时，这是一重要的考虑？

Besides analysis , the concept of membrane immunochromatography can be expanded to in situ fractionation of chemical species .

除了分析，膜免疫层析的原理还能延伸到化学样本的原位分级分离。

Standard test methods for fatty and rosin acids in tall oil fractionation products by capillary gas chromatography .

通过毛细管气相色谱法测定妥尔油分馏产品中脂肪酸和松香酸类的试验方法。

Simulation and optimization for catalytic cracking primary fractionation column expanding revamp .

催化裂化装置主分馏塔扩能改造模拟及优化分析。