非溶剂

Therefore, it is very important to investigate the role of nonsolvent additives in membrane formation by immersion precipitation both in the investigation on the mechanism of membrane formation and in the preparation of the commercial membrane.

为适应不同膜过程，需要使用非溶剂添加剂调整铸膜液的配方，获得理想的膜结构和性能。研究NSA对浸入凝胶成膜过程的影响，在理论和实践两方面都具有重要意义。

The effects of polymer concentration, nonsolvent, additive, dry journey and Al_2O_3 nanoparticle on membrane structure and property were mainly studied.

着重分析了聚合物浓度、非溶剂、添加剂、干程及纳米Al_2O_3粒子等成膜因素对复合膜结构和性能的影响。

The thermodynamic properties of the casting solution were investigated by using the Flory-Huggins theory. A new simple method to determine the nonsolvent/polymer interaction parameter from the intrinsic viscosity was developed.

本文采用Flory-Huggins理论研究NSA对铸膜液热力学性质的影响，发展了一种从特性粘数推算非溶剂和聚合物之间的相互作用参数x〓的简便方法。

It was discovered that the lower polymer concentration, appropriate nonsolvent content, small molecular weight PVP additive and litter longer dry journey were propitious to obtain the porosity and high flux separation membrane.

聚合物浓度低、添加适量的非溶剂、以小分子量PVP为添加剂及干程稍长都将有助于得到多孔性、高通量的分离膜。

While, for a higher polymer concentration, due to its high viscosity, the infiltration rate of nonsolvent is reduced and the phase separation occurs by the mechanism of nucleation-and-growth of polymer-poor phase.

然而高浓度之高分子溶液，因黏度高，故而减缓非溶剂渗入之速率，导致相分离机制系以高分子贫相成核成长之方式进行。

Solvent/nonsolvent recrystallization method was used to prepare HNS/HMX mischcrystals in order to increase the energy output of HNS-Ⅳ, and its structure characterization and performance were studied in detail.

为提高超细六硝基茋HNS输出能量，采用溶剂/非溶剂法制备超细HNS/HMX混合晶体，并进行形貌表征及性能研究。

Organic substances (diethylene glycol, glycol methyl ether and methyl ethyl ketone) were used as nonsolvent additives and N-methyl-2-pyrrolidone used as a solvent in membrane preparation. The effects of PPESK concentration, the type of additives and the NSA concentration in casting solution on the morphology and performance of the PPESK hollow fiber ultrafiltration membrane were systematically investigated.

以PPESK为膜材料，NMP为溶剂，水为凝胶剂，选用乙二醇甲醚、一缩二乙二醇和丁酮为非溶剂添加剂，系统研究了聚合物浓度、添加剂种类和含量对PPESK中空纤维超滤膜结构和性能的影响，制备了一系列具有不同孔径和通量的中空纤维超滤膜。

In this thesis we adopt solvent and non-solvent method to make sol not only become oversaturated but also precipitate crystalloid.

本文采用溶剂-非溶剂法，使溶液变为过饱和而析出晶体，高氯酸铵晶体包覆纳米级亚铬酸铜形成复合粒子，较好地解决了这一问题。

Based on the Flory-Huggins theory, the binodal, spinodal and critical point equations for polymer-solvent-nonsolvent system are derived in detail.

以Flory-Huggins理论为基础，详细推导了聚合物－溶剂－非溶剂三元聚合物成膜体系的双节线、旋节线和临界点求解方程，提供了方程的求解方法。

The experiments reveal that solvent outflow is controlled by the system's viscosity while non-solvent inflow is controlled by the hydrophile of the interface.

实验表明，溶剂外扩散受控于体系的粘度，非溶剂的向内扩散受控于界面的亲水性。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了