孔径分布
- 网络Pore size distribution;BET;BJH
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BET结果显示催化剂具有介孔结构和大的孔径分布。
The BET results showed that the catalyst has mesoporous structure and large pore size distribution .
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N2吸附-脱附分析表明,产物具有较高的比表面积和窄的孔径分布。
N_2 adsorption-desorption analyses reveal products have a relatively high surface area and a narrow pore size distribution .
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孔径分布对电化学CO2浓缩器空气电极性能的影响
Effect of Pore Size Distribution on Air Electrode Performance of Electrochemical Carbon Dioxide Concentrator
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用SEM方法检测ZnCr2O4陶瓷的粒径及孔径分布
Detect the Distribution of Particle and Pore in ZnCr_2O_4 Ceramic Senser by SEM
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用X射线小角散射法研究裂解温度对碳化硅纤维微孔孔径分布的影响
Effect of pyrolysis temperature on micropore size distribution in silicon carbide fibers by the small angle X-ray scattering
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SiO2负载催化剂的孔径分布计算
Calculation of Pore Diameter Distribution of SiO 2 Supported Catalysts
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用实验和模拟计算确定SiO2空心微球的孔径分布
Determination of Pore Size Distribution of Silica Hollow Microspheres by Experiment and Simulation
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BET法结果与TEM照片一致,而且表明[H2O]/[Span-80]为110.9的TiO2反胶团微乳液所制得的无支撑膜孔径分布最窄、最可几孔径约为4.5nm。
Thus the micelle with [ H2O ] / [ Span-80 ] of 110.9 was used to prepare supported titania membrane .
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结果发现:活性炭经1200℃下二次炭化处理后其BET比表面积及孔容有所下降,孔径分布变窄;
The results showed that the BET surface area and pore volume decreased after post carbonization , and pore distribution became narrow .
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N2吸附和脱附结果表明,采用模板剂法制得的样品具有较大的比表面积(高达103.5m~2·g~(-1))和较均匀的孔径分布(3.4-4.4nm);
The results of N_2 adsorption / desorption showed that the samples prepared by CAC-OTD method possessed relatively large specific surface area and uniform pore diameter distribution ( 3.4-4.4 nm ) .
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结果表明,酸和碱处理都可以使高岭土获得(2-8)nm的孔径分布,并获得较好的催化裂化性能;
The results showed that both acid and alkali modification endowed the kaolin with particle size of ( 2-8 ) nm and better catalytic cracking activity .
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研究了不同有机基团和不同含量甲基改性SiO2干凝胶的红外光谱及孔径分布情况。
Infrared spectrum and pore size distribution of different organic group and different content methyl modified silica xerogels were studied .
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结果表明:PVA的加入量增加使陶瓷膜管的孔隙率和孔半径增大、密度和耐压强度减小、孔径分布变宽,气体渗透量增大;
The results show that porosity and mean pore diameter increase and density and compressive strength reduce with increase of PVA amount ;
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通过炭膜的孔径分布及SEM结果分析,研究探讨了原料煤的颗粒度对煤基炭膜孔结构性能的影响。
; The effect of coal particle sizes on pore structure of coal-based carbon membrane was studied by measuring the pore size distribution and SEM of carbon membrane .
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另外,试样压汞试验的孔径分布数据和SEM扫描图像分析表明,外加剂可以改善碳纤维水泥砂浆的孔径分布和表面形态,从而有利于提高材料的力学性能。
The test results showed that the admixtures could improve the mechanical properties , the distribution of aperture size and the surface morphology of the carbon fiber mortar .
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建立了分形模型来模拟水泥浆体的空间结构,在此基础上推导出了孔体积分形维数D和孔隙率P、孔径分布的关系式;
A fractal model is established to simulate the spatial structure of concrete slurry , and a formula that describes the relationship among the fractal dimension D , the porosity P and the pore distribution is deduced .
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本文用比色法、BET、SEM等方法研究了分散介质pH值对蒙脱土的分散性、密度、比表面、孔径分布等性质的影响。
The effect of pH value of dispersing media on dispersity , density , surface area and pore size distribution of montmorillonite was studied using colorimetry , BET and SEM .
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研究了纳米载体Al2O3的合成条件对孔径分布的影响,并测定了载体孔径。
Effect of the conditions for synthesizing nano-carrier Al_2O_3 on the apertures distribution of carrier was investigated , and the carrier apertures were measured .
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KOH活化制备高比表面积窄孔径分布的活性炭纤维的研究
Study on the preparation of the carbon fiber actived by KOH with high specific surface area and narrow pore size distribution
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方法对活性炭表面性质无损害,再生炭的BET比表面积和总孔容积可恢复到新炭的78%,孔径分布基本无变化。
The method has no harm for the surface properties and pore size distribution of GAC . 78 % of BET surface area and total pore volume were recovered .
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用自装的BET容量法装置测定了几种粒状钛型吸附剂的比表面及其孔径分布。
The determination of the specific surface area and the pore size distribution for Ti-type granular adsorbents was carried out with a home-made apparatus based on BET volumetric methods .
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N2吸附-解吸分析结果显示得到的二氧化硅材料具有高比表面积、大孔容量和单分散孔径分布曲线。
N2 sorption analysis showed the prepared silica materials have high specific surface area , large pore volume , and uniform pore size distribution .
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用BJH法计算中孔孔径分布。
The medium pore diameter distribution was calculated by BJH method .
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添加MPC还可以有效的改善胶泥中的孔径分布,随着MPC掺量的增加总孔体积有降低的趋势。
Meantime , adding MPC could improve the pore size distribution effectively . The total volume of pore decreases with the increase of MPC content .
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PICC置管途径给药无静脉炎及药液外渗;纺织基人造血管管壁水渗透性和孔径分布研究
Results Patients with PICC had no phlebitis and physic liquor exosmosis . Study of Textile Artificial Vessel Wall Water Permeability and Pore Diameter Distribution
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N2吸附结果显示,碳化钨样品的BET表面积为150m2/g,孔径分布主要集中在3~5nm范围内。
By nitrogen adsorption technology , the sample has a high specific surface area of 150 m2 / g and an averaged pore size of 3-5 nm .
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NiO纳米颗粒的聚集也使复合材料保留了丰富的介孔结构,因而具有较大的比表面积和较单一的孔径分布。
The aggregation of NiO nanoparticles also retained rich mesoporous structure of the composites , accompanied with a large surface area and narrow pore size distribution .
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活性碳纤维(ACF)的孔隙直接开口于表面,并且孔径分布均匀,比表面积大,具有耐热、耐酸和耐碱的性能,以及较好的导电性和化学稳定性。
Activated carbon fibers ( ACFs ) have uniform pore distribution , large specific surface area and the performance of heat-resisting , acid-resisting , alkali-resisting .
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本文采用局部密度函数理论并结合CO2的吸附数据表征了活性炭AX-21、BY-1和JX406的比表面积和孔径分布。
The surface area and pore size distribution are calculated by using the adsorption data of CO2 at 273.15K and the SLD theory .
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孔径分布窄,且在2~30nm之间可以调节;
Narrow pore size distribution with pore size in the range of 1.3 ~ 30.0nm ;