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- specific surface mean diameter 比表面平均直径
- surface mean diameter 表面平均直径
- volume surface mean diameter 体表面积平均直径
- 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
- The result showed that the specific surface area and microparticle diameter of colloidal silica were very important parameters. 作者用该方法对自行合成的胶体矽进行了测试、分析。
- The average particle diameter of CSF was smaller than those of SRF and HAF, and its specific surface area and DBP absorption factor was higher obviously than those of the latters. CSF炭黑的平均粒径小于SRF和HAF,但其表面积和DBP吸油值明显高于后者。 CSF炭黑对天然橡胶、丁苯橡胶、丁腈橡胶、氯丁橡胶的补强效果与SRF相当,其配合量应小于50份。
- The Sauter mean diameter, volumes mean diameter, superficial surface area and span were obtained, and their variation with superficial gas and liquid velocities was investigated. 得到了 Sauter平均直径、体积平均直径、折算表面积、带宽等几何特性参数,并研究了其随折算气、液速的变化规律。
- FESEM, TEM, HRTEM. DRS and N2 adsorption-desorption. The samples as-synthesized have the approximate diameter of 8-20nm, specific surface area of 150m2/g and the hexagonally packed mesostructures. XRD、FESEM、TEM、HRTEM、N2吸附-脱附和DRS等结果表明:纳米粒子的粒径为8-20nm,比表面积约为150 m2/g,介孔堆积具有六方特征;
- 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). N_2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
- 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
- QT-SLN was spherelike and smooth/The mean diameter was 2173nm and the entrapment efficiency was 48.50%. 槲皮素固体膳质纳米粒为圆整的类球形实体粒子;平均粒径为2173nm;包封率为48.;50%25。
- The BET specific surface area reaches 477.7 m2? g-1 for NiO calcined at 523 K. 结果表明;在523K下焙烧得到的氧化镍BET比表面达到477.;7m~2·g~(-1)
- Results: The mean diameter and the depth of the conization tissue were larger in the CKC than the LEEP conization. 在子宫颈锥状切片的检体中81.;1%25线圈电切术的检体及51
- At the same time,the specific surface area and the mesopore and m... 进一步延长超声时间,其比表面积和孔容反而下降。
- Moreover, the results of laser Raman resonant measurements indicated a larger mean diameter of our SWNTs. 激光拉曼分析结果表明制得的单壁纳米碳管直径较大。
- The synthesized mesoporous titania was characterized by means of X-ray diffraction(XRD),transmission electron microscopy(TEM) and specific surface and pore diameter analysis methods etc. 以四氯化钛为原料,采用十二烷基磺酸钠为模板剂,分别以丁醇和辛醇为溶剂,通过溶剂热法合成介孔二氧化钛。
- The results showed that Sauter Mean Diameter (SMD) of biodiesel decreased, as the injection pressure increased and the orifice diameter diminished. 结果表明:随着启喷压力的增加和喷孔直径的减小,生物柴油索特平均直径不断减小;
- The nanocomposite coating is obtained by electrochemical deposition of the zinc plating solution with ceria nanoparticles (mean diameter 30 nm). 将纳米氧化铈颗粒加入镀锌液中进行复合电沉积制得纳米复合涂层。
- Emittance and irradiance are meaningful measurements of flux at a specific surface. 发射强度和辐照强度只有对一定表面上通量的量度才是有意义的。
- The results indicated little difference in the geometric mean diameter (GMD) of the ETS particles from those in background air. 研究香烟数量和不同厂牌、不同采样区域和不同的通风速率的结果。