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- 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 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
- 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
- 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。
- BET surface area of the catalysts was around 62 5 m 2/g,and the average pore diameter of which was 16 05 nm. Pore structure of the catalysts was of open capillary columns,with homogeneous distribution of the utilizable pores. Ru-Zn催化剂BET比表面积62 5m2/g,平均孔径16 05nm,具有两端开放的管状毛细孔结构,反应可利用的孔分布均匀。
- Keywords activated carbon;benzothiophene;desorption activation energy;average pore diameter;adsorption equilibrium; 活性炭;苯并噻吩;脱附活化能;平均孔径;吸附相平衡;
- average pore diameter 平均孔径
- The serial catalyst is characterized by large pore volume and pore diameter, high activity and stability. 该系列催化剂的主要特点是大孔容、孔径、性和稳定性高。
- The pore diameter was very tiny so that it could prevent hydrotropic solution entering into the pore. 二是孔隙的尺寸很小,水溶液不能渗入到孔隙,不能到达基体。
- 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;
- The porosity,pore diameter and solubility of ceramsite filter made by these two methods were analyzed and compared. 研究添加成孔剂法制备的有球形宏观孔的多孔氮化硅陶瓷在不同孔隙率和孔径下的介电性能。
- 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。
- BET specific surface area,pore diameter and pore volume of the synthesized molecular sieves were 197?m~2/g,about 4.80?nm and 0.23?cm~3/g,respectively. 合成的介孔氧化锆分子筛在450℃焙烧后;其BET比表面积达到197 m2/g;孔分布集中在4.;80 nm左右;孔体积为0
- Porous TiC-Al2O3 was prepared via SHS technology. Composition,micro-structure,pore diameter distribution and element were analyzed by XRD,SEM,EDS etc. 利用自蔓延高温合成技术制备了多孔TiC-Al2O3导电陶瓷,并用XRD、SEM、EDS对样品的物相、微观结构、孔径分布及成分组成进行了分析。
- The most probable pore diameter of an unsupported composite membrane was about 4.3nm as characterized by nitrogen isothermal absorption measurement. 用等温氮气吸附实验测定了非担载膜的孔径大小和分布;最可几孔径约为4.;3nm。
- The Oolong tea juice was ultra-filtrated by using the plate-frame module and choosing three kinds of CA membrane with three pore diameter . 结果表明,超滤可以有效澄清乌龙茶汁,在合适的工艺参数下菜汁有效风味成分保留率高,能截留大部分易发生沉淀的高分子物质,感官品质佳。
- In addition, several analytical methods frequently used for the calculation of surface area, pore diameter and microporosity have also been introduced. 本文针对气体吸脱附分析技术之原理与测量方式进行介绍,另外亦阐明几种常用以计算孔面积、孔径大小与微孔量等孔洞特性之数据分析方法。
- The variation of the mass loss, packing density, surface area, distribution of pore diameter, amount of ash with the cyclical numbers were researched. 考察了活性炭的失重率、堆密度、比表面、孔径分布及灰分含量随活化次数的增加而变化的情况。
- 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。