在此条件下,产物中聚乙二醇(6000)单硬脂酸酯的含量可达93%。
The content of polyethylene glycol(6000) monostearate in the product could reach 93% under the optimum condition.
合成了系列水性聚氨酯分散液,就分子链软段中亲水性链段聚乙二醇(PEG)含量对聚氨酯涂膜结晶性的影响进行了探讨。
A series of water - borne polyurethanes were synthesized, and the effect of PEG content in soft - segment on the crystallization of their cast films was studied.
研究了聚乙二醇分子量和含量对TPU的结构和性能的影响,提出了在TPU软段中引入PEG可以改善其与硝酸酯的混溶能力。
The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.
采用极性聚乙二醇色谱柱测定了8种不同植物油中脂肪酸甲酯的含量和分布。
A polar PEG-20M column was applied for the analysis of the contents and distribution of FAME in biodiesels from 8 different vegetable oils.
采用极性聚乙二醇色谱柱测定了8种不同植物油中脂肪酸甲酯的含量和分布。
A polar PEG-20M column was applied for the analysis of the contents and distribution of FAME in biodiesels from 8 different vegetable oils.
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