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- It may be concluded that the membrane pore size distribution should be taken into consideration in predicting the mass transfer rate in DCMD. 因此,考虑孔径分布的质量传递模型能更准确地描述直接接触式膜蒸馏的跨膜传质过程。
- The results showed that the grafting yield heavily affected water flux, responsiveness coefficient and thermo-responsive gating factor of membrane pore size. 结果表明,开关膜的接枝率对膜的过滤通量、温度感应开关系数和膜孔径感温变化倍数都有十分重要的影响。
- Under the conditions of the pressure difference of 0.1MPa, Reynolds number ranging from 5660 to 10110 and membrane pore size of 1.0?, the process has a larger filtration flux and small membrane pollution. 在炭膜孔径为1.;0?、流体流动雷诺数为5660~10110和压差为0
- The treatment process of dyeing and printing waste water by inorganic ceramic membrane was investigated,the effect of membrane pore size, operation conditions, abluent and cleaning time on cleaning result were studied. 研究了无机陶瓷膜处理印染废水过程,考察了膜孔径,操作条件对处理效果的影响及清洗剂和清洗时间对清洗效果的影响。
- The dependence of VMD performances on the membrane material and membrane pore sizes resulted mostly from different oxidation ability of hexavalent chromium and trivalent chromium. 详细考察了两种膜材料在减压膜蒸馏技术分离含铬溶液过程中的应用性能,发现由于溶液中六价铬和三价铬的氧化性不同,从而对膜材料和膜孔径的要求也有所不同;
- Keywords photocatalytic membrane;photocatalyst separation;pollutants separation;membrane photocatalytic stability;choice of membrane pore size;photocatalyst deposition cake layer; 光催化分离膜;光催化剂分离;污染物分离;膜光催化稳定性;膜孔径选择;光催化剂沉积;
- That can pass through a given pore size. 可滤过的能通过一给定微孔尺寸的
- membrane pore size 膜孔径
- That can pass througha given pore size. 可滤过的能通过一给定微孔尺寸的。
- Pore size is the symmetry, whether a small crack. 孔的粗细是否匀称,有无细小裂纹。
- The pore size of mesoporous membrane is between the reverse osmosis s and the ultrafiltration s. 纳米孔膜的过滤类似于反渗透和超滤,均属于压力驱动的膜过程,但其传质机理却有所不同。
- The change laws of pore size, water flux and retentivity of the membrane with pres-sure are investigated. 论述了不同配方铸膜液制成的膜,其孔径、水通量和截留率随操作压力的变化规律。
- The pore size and the pore size distribution of CA and PAN UF membrane were determined by liquid-liquid displacement method. 利用液-液置换法测定了醋酸纤维ca超滤膜及聚丙烯腈PAN超滤膜的孔径及孔径分布。
- The influence of pore size distribution on mass transfer in direct contact membrane distillation (DCMD) was investigated. 文中考察孔径分布的存在对直接接触式膜蒸馏跨膜传质速率的影响。
- The manufacture technique of SPS uitrafitration membrane with small pore size and parameters influencing membrane performance are described in this paper. 本文主要描述如何制作小孔径超滤膜的过程,检测其特性。
- The results showed that the crystallinity and elastic recovery(ER%) of PE hollow fibers,and the pore size of the PE membrane all increased with the spin-draw ratio. 研究结果表明PE中空纤维的结晶度和弹性回复率(ER,%25)随纺丝牵伸比的增加而增大,且随着纺丝牵伸比的增大,PE中空纤维膜的微孔结构也增大;
- But obtaining membrane pore radius (rp) from SHP model needs permeation experiments of uncharged solutes, which are difficult and burdensome. 对于中性溶质体系,膜对溶质的截留主要依据筛分作用,因此可应用立体阻碍-细孔模型(SHP模型)来表征纳滤膜的分离性能[5-8]。
- Fabricating the nanoporous sil icon membrane with nanotechnology and Bio-MEMS technology,the thickness of memb rane,pore size and distribution , geometry shape and porosity can precisely con trolled. 采用纳米技术和生物微电子机械系统技术制备纳米多孔硅膜,可准确控制膜的厚度、几何形状、孔大小、孔分布和孔隙率。
- 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。
- Fabricating the nanoporous silicon membrane with nanotechnology and Bio-MEMS technology, the thickness of membrane, pore size and distribution, geometry shape and porosity can precisely controlled. 摘要采用纳米技术和生物微电子机械系统技术制备纳米多孔硅膜,可准确控制膜的厚度、几何形状、孔大小、孔分布和孔隙率。