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小孔径
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  small pore size
    DEVELOPMENT OF SPS UF MEMBRANE WITH SMALL PORE SIZE
    小孔径磺化聚砜超滤膜研制
短句来源
    RESEARCH ON PVDF UF MEMBRANE WITH SMALL PORE SIZE
    小孔径PVDF超滤膜的研制
短句来源
    Because of the small pore size (0.41nm) and its hydrophile property, NaA zeolite membrane can be used in the separation of small molecules or separating water from organic substance by penetration. The main work of this thesis is
    A型沸石分子筛膜因其独有的小孔径(0.41nm)和亲水特性,在小分子气体分离和渗透蒸发分离有机物中的水分方面有很好的应用前景。
短句来源
    Alon g with testing press increased step by step, more small pore size were opened, t hat's to say, the pore number which liquid could permeate were increasing, accor dingly permeable liquid flux was increasing.
    随着所施加的测试压力逐步增加,更小孔径的膜孔道被打开,即液体可透过的膜孔道数目逐步增多,透过膜的液体流量也相应增加。
短句来源
    The properties of composite membrane using different base membrane are commented. The results indicate that the composite membranes with small pore size exhibit superior separation performance on the rejection of Na2SO4>90%.
    结果表明:用小孔径的合金膜为基膜得到的复合膜具有较好的脱盐能力,对Na2SO4的脱除率达到90%。
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  “小孔径”译为未确定词的双语例句
    Application of Slim-hole Blasting in Hujiayu Copper Mine
    小孔径爆破在胡家峪铜矿的应用
短句来源
    Deep Hole Explosion of Small Diameter in Limestone Minning
    小孔径深孔爆破在石灰石矿山开采中的应用
短句来源
    Explosive Demolition of Reinforced Concrete Support Beam in Deep Foundation Pit by Pre-imbedded Slim-hole Charging
    预埋小孔径药孔爆破拆除深基坑钢筋砼支撑梁
    The very strong property of the synthetic array sonar is the ability to acquire a high azimuth resolution from a physically small array.
    合成孔径技术相对于常规声纳技术的突出优势在于,它只利用小孔径的物理声阵,就可以得到与径向距离和频率都无关的高方位分辨率。
短句来源
    The increase in the shaping pressure and sintering time results in an increase in the prorortion of the fine pores.
    成型压力增大和烧结时间的延长对孔隙尺寸的影响表现在小孔径孔隙的比例增大,而大孔径孔隙的比例降低;
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  small pore size
It is concluded that affinity interaction and separation occur mainly in the large pores, and small pore size does not favor improvement of adsorption capacity.
      
Monodisperse Poly (Styrene-co-Divinylbenzene) Particles (3.2 μm) with Relatively Small Pore Size as HPLC Packing Material
      
However, due to the relatively small pore size and potential instability of MCM-41 when immersed in water for long time periods, a second mesoporous silicate, SBA-15, has been investigated.
      
Through the modified wet process, porous chitosan beads with a relatively small pore size (0.01-13 μm) and moderate porosity (33-71%) could be prepared.
      
The diameter of the pore created by pore former varies from 100 to 300 μm, and macroporous glass has a narrow and small pore size distribution in mesoporous scale.
      
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The manufacture technique of SPS uitrafitration membrane with small pore size and parameters influencing membrane performance are described in this paper. The results of the tests indicate that SPS membrane has excellent performance of acid-, alkali- and high temperature-resistance.

本文主要描述如何制作小孔径超滤膜的过程,检测其特性。

PES and SPSF base membranes were prepared by the phase inversion process using polyethersulfone and the blend of sulfonated polysulfone and polyethersulfone respectively. Several major influence factors in the preparation are discussed. The cross sections of PES and blend base membrane were studied by SEM. The properties of composite membrane using different base membrane are commented. The results indicate that the composite membranes with small pore size exhibit superior separation performance on the rejection...

PES and SPSF base membranes were prepared by the phase inversion process using polyethersulfone and the blend of sulfonated polysulfone and polyethersulfone respectively. Several major influence factors in the preparation are discussed. The cross sections of PES and blend base membrane were studied by SEM. The properties of composite membrane using different base membrane are commented. The results indicate that the composite membranes with small pore size exhibit superior separation performance on the rejection of Na2SO4>90%.

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。用电镜分别观察PES单组分膜和合金膜的断面形貌。结果表明:用小孔径的合金膜为基膜得到的复合膜具有较好的脱盐能力,对Na2SO4的脱除率达到90%。

The small pore size PVDF UF membrane with high Flux was studied in this paper. The influence of solvent system, additive, inorganic salt and second miscible polymer were analyzed. The results showed that small pore size PVDF UF membrane with high flux can be prepared by selecting optimum casting solution.

本文主要研究了高通量小孔径PVDF超滤膜。分析了溶剂体系、添加剂种类、无机盐含量及第二组分PMMA等对膜性能的影响,实验结果表明,选择合适的溶剂体系和致孔剂,可制得高通量的致密小孔径PVDF超滤膜,同时,在PVDF膜中共混入少量与之相容的PMMA可显著改善该类膜的亲水性,进一步提高膜的水通量。

 
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