以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混，通过冻胶法纺丝工艺制备成中空纤维纳滤膜。
Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA, and by spinning process with gelation method.
三组分热裂解焦炭产量随温度升高而降低，最终纤维素热裂解焦炭产量为1.5%，而木聚糖和木质素分别为22%和26%。
The char yield for cellulose, xylan and lignin decreases with temperature rise, and finally closes to a constant value about 1.5%, 22% and 26%.
在三组资料中，瘦素在胆囊壁组织中的表达及瘦素在胆汁中水平的变化、瘦素在血清中水平的变化，三者变化趋势一致，呈现一定规律性。
Information in the three groups, the leptin in the gallbladder wall tissue and leptin levels in the bile of the changes in serum leptin levels in the three changes in trend, show a certain regularity.
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