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- The average pore size affected the diffusivity of the reactant gases in the face of char and the connection between the activity site and reactant gases. 煤焦孔结构的大小影响到反应气在煤焦表面的扩散能力,从而影响到反应气与煤焦矩阵中活性点的有效接触。
- The PVA/PAN composite membrane supported by the PAN-SS dry membrane with three-layer, 5nm of average pore size manifested superior pervaporation performance in separating alcohol aqueous solution. 在具有三层结构、平均孔径为5nm的聚丙烯腈原液干膜上复合了聚乙烯醇(PVA)的PVA/PAN复合膜,分离醇水溶液的渗透汽化(PV)性能优良。
- With thermosetting PF resin particle size increasing,the pore size distribution of carbon membrane became broadly,the average pore diameter and gas permeation rates of carbon membrane increased. 对几种常见的粘结剂进行了筛选,当以甲基纤维素为粘结剂时,随着甲基纤维素用量的增加,微滤炭膜的孔径分布变窄,平均孔径及气体透量减小。
- The results show that pyrolysis temperature, pyrolysis time and pyrolysis rate have an obvious effect on the special surface area(SSA) and average pore size(APS) of the biomass chars. 对于稻壳、树叶、棉花杆、玉米杆四种生物质焦,通过压汞法测量了其在大孔和部分中孔范围内的孔隙结构,发现热解温度、热解保持时间、热解快/慢速都会影响着焦样的比表面积和平均孔径。
- It was shown that the inner body of the fiber was porous, these pores presented various shapes, their sizes distributed in mesopore range, and the average pore size was less than 5 nm. 结果表明,桉木浆纤维表面密布孔洞,孔隙分布以中孔为主,有一定量的大孔,微孔数量有限。
- average pore size 平均孔径
- That can pass through a given pore size. 可滤过的能通过一给定微孔尺寸的
- Keywords disc degeneration disease;tissue engineering;anulus fibrosus;scaffold;average pore size;porosity;suction force;biomechanics;immunogenicity;seed cell;phaenotype;inoculation; 椎间盘退变疾病;组织工程;纤维环;细胞支架;平均孔径;孔隙度;吸水力;生物力学;免疫源性;种子细胞;表型;接种;
- 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。
- Carbon Molecular Sieve are microporous material with average pore dimensions similar to the critical dimensions of an adsorbate molecule. 炭分子筛是一种具有较均一微孔结构的新型炭质吸附剂,其微孔孔径与吸附质分子的临界尺寸相当;
- It is found that total pore volume and average pore diameter of the carbons increase with increase in the R/C ratio of the gel precursors. 已经发现,总孔隙度和碳的平均孔径随着凝胶前体的摩尔比的增加而增大。
- When the reaction time elapsed, the changes of the pore surface and average pore diameter become mild and the pore volume reduced drastically and then remain unchanged. 反应时间增长后,小孔表面积与平均小孔直径变化趋缓,而小孔体积则大幅下滑再维持稳定。
- The system pressure changed the adsorption abilities and pore size distributions of carbide and activated carbon. 反应压力能够改变炭化产物和活化产物的吸附性能和孔径分布。
- They are also easy to fabricate and can be produced with a wide range of pore size cutoffs for ultrafiltration. 聚砜膜也易于制作,并能制成各种孔隙大小膜,用在超滤上。
- The results show that BET specific surface area of AC is 1 654 m2/g, with reasonable pore size distribution (PSD). 结果表明:活性炭的BET比表面积达1 654 m2/g,具有合理的孔径分布,主要在2 nm附近。
- All of the effects could be accounted for by changes in the specific surface area,pore size distrib... 活性炭的比表面积、孔径分布和表面性质都会影响其吸附氢气的能力,其中,比表面积是最主要的影响因素。
- The results showed that the molecular sieves synthesized by organic compound as expander has better structure properties,the average pore diameter,the pore volume and the BET surface area of it was up to 4.74 nm,1.41 cm~3/g and 870.23 m~2/g respectively. 结果表明;采用有机混合液为增孔剂合成的分子筛具有很好的结构性能;试样平均孔径、孔容、BET比表面积分别为4.;74 nm;1
- 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。
- Through SEM the powder can be identified to porous structure, with specific surface areas of about 11.6m2/g, total pore volume of 0.034cc/g and average pore diameter of 1 1 .9nm by BET method. 通过扫描电子显微镜(SEM)观察其形貌为多孔质,BET(N_2吸附)法测定比表面积为11.;6m~2/g,平均孔容量0