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- casting solution composition 膜液组成
- UF membrane with molecular weight cut off 2000, 6000 and 10000 can be made by selecting proper composition of PEK-C casting solution. 选择适宜组成的铸膜液,可以制得截留分子量为2000,6000,10000的超滤膜。
- Effect of w(PAN),w(PEG) and w(LiCl)in the casting solution on the performance of PAN ultrafiltration membrane was analyzed. 分析了由不同质量分数的聚丙烯腈(PAN)与添加剂聚乙二醇(PEG)及无水LiCl组成的铸膜液对PAN超滤膜性能的影响.
- PES-SPS Blend UF membrane prepared from casting solution which consisted of DMAC and blend polymer of PES and SPS was studied in this paper. 利用国内近几年开发的新型膜材料,选择适当的共混聚合物体系,可以制得性能优良的共混膜。
- When the concentration of casting solution became denser, the pore and the thickness of membrane also became bigger, water flux decreased accordingly. 铸膜液配比对膜性能有较大的影响：聚合物浓度增大，膜孔径变小、膜厚增大、水通量变小；
- In EOR system, changing solution composition of adsorption system through adding additives is used to decrease the adsorption quantity of sufactant. 摘要在三次采油体系中，通过加入添加剂来改变被吸附体系的溶液组成，以期降低表面活性剂的吸附量。
- The results show that the addition of OA can work in favor of the enhancement in the demixing of casting solution thermodynamically. 结果表明，草酸的加入，在热力学上加速了铸膜液的相分离。
- Some right expressions relating to solution composition, such as mass fraction, volume fraction, mass concentration, molarity and volume ratio were intro... 对溶液组成标度,如质量分数、体积分数、质量浓度、物质的量的浓度、体积比的正确表述也一一进行了介绍。
- In this paper, the rheologic properties of polysulfone (PS)/dimethyl acetamide (DMAc)/polyethylene glycol (PEG)hollow fiber casting solution were studied with capillary rheometer. 本文用气压式毛细管流变仪对聚砜/二甲基乙酰胺/聚乙二醇中空纤维铸膜液的流变性能进行了分析与讨论。
- The results show that PES/PES-C blend system is semimiscible and its miscibility depends on its composition.The coagulation values of the casting solution were aff... 共混制膜液的凝胶值受共混组成的影响,并非纯组分制膜液凝胶值的线性加和。
- The effects of casting solution structure and the desolvation rate on the structure and performance of polymer alloy membrane were investigated systematically. 研究了铸膜液浓度、聚合物共混配比、铸膜液温度溶剂蒸发时间、凝胶浴温度对膜结构和膜性能的影响。
- It is found that the magnetization effect varies wavelike with variations of field strength and solution composition,and the correlation of the vapor-liquid equilibrium under magnetization is given. 研究表明,磁化对这二个体系的汽液平衡均有影响,磁化效果随磁场强度和溶液组成呈波动状变化。拟合出了磁场作用下的汽液平衡方程。
- The result showed that the casting solution composed of 15%PVDF, 75%N,N-dimethyl acetamide, 3%lithium chloride and 7%polyethylene glycol could perform the membrane with high porosity and pore size. 实验结果显示出，以15%25的聚偏氟乙烯(PVDF)为原料、75%25的N，N二甲基乙酰胺(DMAC)为溶剂、3%25的氯化锂(LiCL)和7%25的聚乙二醇(PEG)为添加剂的制膜液，所制得的膜具有较大的孔隙率和孔径。
- In another way, with the increase of NMP content in PPESK/NMP/(H_2O+NMP) system, the absolute value of the intercept and the coagulation ability of the casting solution were decreased, which is beneficial to the delayed phase separation. 同时，对于PPESK/NMP/(H_2O+NMP)体系，随着凝胶浴中NMP含量的增加，|a|降低、凝胶浴的凝胶能力减弱、降低了相分离过程中各组分的相对扩散速率，有利于延迟相分离。
- PVDF membrane made from casting solution containing 16% PVDF and 0.05% LiCl was the thinnest, and it had the least flux (F) and flux reduction coefficients (m) and the most rejection (R) of blood serum albumen (BSA) under the experimental conditions. 在实验条件下;w(PVDF)为16%25;w(LiCl)为0.;05%25时;所得PVDF膜最薄;有最低的水通量(F)和水通量衰减系数(m);以及最高的对牛血清白蛋白(BSA)的截留率(R)。 w(LiCl)小于0
- The PLLA (L-polylactic acid) film with porous structure at the surface were fabricated by casting solution technique without the extra-component besides the solvent and solute. 摘要在不引入除溶剂和溶质以外的第三组分情况下，用溶液浇铸法制备表面呈孔聚乳酸膜。
- Selection of nutrient solution composition 配方选择
- The effects of oxalic acid on rheological, thermodynamic and membrane formation kinetics were investigated in polyethersulfone with cardo/oxalic acid (OA)/N,N-dimethylacetamide cast solution. 摘要以酚酞基聚芳醚砜／草酸/N,N-二甲基乙酰胺为铸膜液体系，考察了草酸对非对称膜成膜过程中的热力学、流变学和凝胶动力学的影响。
- I can't bear young people casting away their youth. 我无法忍受年轻人虚掷青春。
- When gallium is extracted by DHG586 chelated resin from Bayer process solution,the(pregnant) solution composite,especially solution alkalinity affects severity the resin adsorption(capability). 用DHG586型螯合树脂从拜耳工艺溶液中提取镓时,种分母液组成对树脂吸附容量有很大影响,其中溶液的碱度对吸附容量的影响更明显。
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