Polyethylene terephthalate (PET) films were polymerized in solid phase, the molecular weight, molecular weight distribution (MWD) and cyclic oligomer content of the products were determined by GPC.
聚对苯二甲酸乙二酯(PET)薄膜经固相缩聚反应后，用凝胶色谱法测定产物的分子量、分子量分布和环状齐聚物含量。
The results showed that the solid liquid phase zone, temperature interval and segregation degree may be obviously enlarged with increasing s content so as to reduce the hot plasticity of the alloy.
结果表明，随着S含量的增加，导致固液两相区、温度范围和偏析程度明显加大，引起合金的热塑性降低。
With the increase of solid particle content, the time of phase disengagement will be prolonged and the interfacial emulsion intensified.
随固体微粒含量增加，分相时间延长，界面乳化程度加重。
The effect of solid particle content in feeding liquid on phase disengagement and interfacial emulsion in copper solvent extraction is studied.
研究了铜溶剂萃取时，萃原液中固体微粒含量对分相和界面乳化的影响。
When water content decreases, the concentration of 4-cba in liquid phase and solid phase tends to reduce, but it has a threshold value under which the influence o...
含水量的减小有利于固相和液相中4 -CBA浓度的降低，但此含水量存在一个阈值，低于此含水量对杂质的减少速率影响微小。
When water content decreases, the concentration of 4-cba in liquid phase and solid phase tends to reduce, but it has a threshold value under which the influence o...
含水量的减小有利于固相和液相中4 -CBA浓度的降低，但此含水量存在一个阈值，低于此含水量对杂质的减少速率影响微小。
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