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- The paper, based on wet spin experiment, discussed the coagulation mechanism and the as-spun fibre morphology in terms of the new phase inversion theory of polymer solvent-nonsolvent system. 本文在湿纺实验基础上,根据高分子物理的基本原理以及一些较新的高分子溶液相分离理论,对湿法成形机理进行建议性的讨论。
- The inversion theory is an important methodology base for the intelligence analysis of the radio signals. 提出了反演理论是进行网络信号情报分析的重要方法论基础。
- Aromatic polyamide nanofiltration membrane is prepared by the solution of aromatic polyamide fiber via immersion precipitation phase inversion process. 摘要以聚间苯二甲酰间苯二胺为原料,采用相转化法制备了芳香聚酰胺纳滤膜。
- The mechanism of the phase inversion during emulsification of SPPO ionomers was also discussed. 另外还研究了溶剂的极性和离子含量对SPPO溶液可乳化性和乳化过程的影响
- The final polymer was blended with the poly (vinylidene fluoride) (PVDF) and prepared membranes by L-S phase inversion. 最终产物添加到聚偏氟乙烯(PVDF)原材料中通过L-S相转化法制得聚合物分离膜。
- The title alkyd resin modified waterborne nitrocellulose emulsion was prepared by alkyd resin phase inversion process. 采用醇酸树脂相反转乳化法制备了硝化纤维素乳液。
- Based on the differential equation inversion theory, this problem can be transformed to a nonlinear optimization problem that can be solved by conjugate gradient method (CGM). 基于微分方程反演理论,将其转化为一个非线性优化问题,利用共轭梯度法求解。
- In the present paper,asymmetric PVC/PMMA alloy microfiltration membranes were prepared via alloying of membrane materials and L-S phase inversion. 通过高分子合金化,以L-S相转化法制备了PVC/PMMA非对称型合金微滤膜,考察了铸膜液结构对微滤膜结构与性能的影响。
- The petroleum resin sizing agent was prepared with modified petroleum resin as raw material by phase inversion emulsification at ordinary pressure. 以改性的石油树脂为原料,采用常压转相乳化法制备了石油树脂施胶剂。
- The calcium borate product was prepared with natural ulexite powder,through hydrothermal depolymerization and phase inversion. 以钠硼解石天然矿粉为原料,经水热解聚和相转化制备出硼酸钙产品。
- Effect of blending and solvents on the crystallizability of poly (vinylidene fluoride) phase inversion membranes were studied. 摘要研究了非相容性聚合物及不同溶剂对聚偏氟乙烯相转化膜结晶性能的影响。
- The PVDF-HFP(poly vinylidenefluoride-hexafluoro propylene) porous membrane for Li ion polymer battery was prepared by a phase inversion process. 采用倒相法制备PVDF-HFP(聚偏氟乙烯-六氟丙烯)多孔薄膜。
- The results from theoretical model and practical application proved that this method not only richens the differential equation inversion theory,but also has the practical application values. 理论模型和实际资料检验证明,该方法不仅丰富了微分方程反演理论和方法,而且具有生产实用价值。
- The polyether-polyurethane(PEU)/polyethersulfone(PES) blend membranes and polyester-polyurethane(PSU)/PES blend membranes were prepared by phase inversion method. 采用相转化法分别制备出聚醚型聚氨酯/聚醚砜(PEU/PES)共混膜与聚酯型聚氨酯/聚醚砜(PSU/PES)共混膜.
- The inversion theory based on constrained interpolation (the extrapolation of logging attributes) was discussed and the effective ness of seislog inversion was interpreted theoretically. 此外,对测井属性外推插值到井外的方法-基于约束插值的反演理论进行了探讨,从理论上解释了拟测井曲线反演的有效性。
- PES and SPSF base membranes were prepared by the phase inversion process using polyethersulfone and the blend of sulfonated polysulfone and polyethersulfone respectively. 分别以聚醚砜(PES),磺化聚砜(SPSF)和PES合金膜为基膜,分析了相容性对膜性能以及不同种类基膜对界面缩聚的影响。
- The numerical results of theoretical model and practical application show that this method not only richens the differential equation inversion theory but also has applicable value in practice. 理论模型和实际资料检验表明,该方法不仅丰富了微分方程反演理论,而且具有生产实用价值。
- The title waterborne nitrocellulose emulsion was prepared with methods of phase inversion of alkyd resin and interpenetrating polymer network polymerization of acrylic monomers. 摘要采用醇酸树脂转相乳化法和丙烯酸酯类单体互穿聚合物网络聚合法制备改性硝化纤维素乳液。
- The membranes were found to have symmetric spherical porous structure, proving itself to be microporous membranes resulting from thermal phase inversion. 经扫描电镜观察,该膜具有对称的球状孔结构,为热相转移聚砜微孔膜。
- The fat globule can take place partial coalescence over 60% only in whipping process,it made phase inversion of ropy whipped topping emulsions turn into stable solidity foam. 只有在搅打条件下才能获得60%25以上的脂肪球部分聚结率,使植脂奶油由一个黏稠的液体转变为稳定的泡沫结构。