比表面

bǐ biǎo miàn
  • specific surface
比表面比表面
比表面[bǐ biǎo miàn]
  1. BET测定比表面为26.34m~2/g。

    The BET curves showed that the specific surface of the sample is 26.34m ~ 2 / g.

  2. 用XRD,IR,TEM,TG以及比表面测定等手段对样品进行了表征。

    XRD , IR , TG , TEM and specific surface area measurement techniques were used to characterize the obtained samples .

  3. 应用XPS,XRD和BET比表面测定方法对催化剂进行了表征。

    XPS . XRD and BET method was used to characterize the catalysts .

  4. 用BET法对样品进行了比表面测定;

    The surface area of different samples was measured by the method of BET .

  5. 用SEM和CO2等温吸附技术考察了不同转化率下煤焦的孔结构形貌和比表面变化。

    The surface variation and pore structure were observed and measured with SEM and GC CO2 absorption techniques .

  6. N2吸附-脱附测定结果表明,样品比表面和孔体积较以往产品有很大提高;

    As shown in N2 adsorption-desorption isotherms , the surface area and pore volume of samples are highly increased than samples synthesized previously .

  7. 用X射线衍射、扫描电镜、比表面测试、激光粒度分析等手段对所制备粉体的性能进行了表征。

    The powders were characterized by means of X-ray diffraction , scanning electron microscopy , specific surface area analysis and laser size analysis .

  8. 运用TPR、XRD、XPS、BET比表面等方法对Cu/TiO2系催化剂的物理化学性质进行了表征。

    Physicochemical property of catalyst had been studied by TPR , XRD , XPS and BET .

  9. 利用XRD、PM、SEM、EDAX和比表面测定对催化剂进行了表征。

    The catalysts were characterized by XRD , PM , SEM , EDAX and surface area determination .

  10. 采用液相聚合相分离技术制备了多孔碳,并用压汞仪、BET比表面仪及扫描电镜对多孔碳性能进行表征。

    The characterizations of the porous carbon were determined with mercury porosimetry , scanning electron microscope and BET surface analyzer .

  11. MoO3在低比表面载体α-Al2O3上的分散容量测定

    Measurement of Dispersion Capacity of MoO_3 on Low Specific Surface Support α - Al_2O_3

  12. 运用XRD、FT-IR、DTA、N2吸附-脱附和比表面-孔径测定等手段进行了表征。

    The samples are characterized by means of FT-IR , XRD , DTA and N_2 adsorption-desorption methods .

  13. 认为纳米粒子大的比表面及表面缺陷结构对CdS纳米粒子的二阶光学非线性有很大影响。

    It is believed that the surface layer is the main origin of second order optical nonlinearity in nanoparticles .

  14. 经过水热处理的样品的BET比表面明显降低,这可能归因于磷物种和铝物种对孔道的堵塞。

    After steam treatment , BET surface area decreases remarkably due to the blockage of channel by phosphorus species and dealuminated species .

  15. 随着NaCl浓度的增大,产物粒径增大,比表面降低。

    The grain size of the products increases and the specific surface area decreases with an increase of the NaCl concentration .

  16. 各剂量组胶体和滤泡的比表面均明显大于0剂量组的值(P<0.01),说明胶体或滤泡的体积变小;

    The colloid and follicular specific surface area of various dosage groups were all significantly larger than those of the control group ( P < 0 01 ), indicating colloid and follicular volumes were decreased .

  17. 采用红外光谱(IR)、BET比表面测试等手段对改性前后的催化剂进行了表征。

    By means of infrared ray spectrum ( IR ) and BET specific surface test , the catalysts and the modified catalysts were characterized respectively .

  18. 对交联蒙脱土不同载金属方法的产物进行了X射线衍射分析、比表面和金属分散度测定,以及活性评定。

    Influence of various metal-loading methods on the activity of the cross-linked smectite ( CLS ) catalysts has been investigated by XRD , surface area and palladium dispersion determination .

  19. 用激光粒度分布仪、SEM、比表面测定仪及松装比测定装置对所制产品进行了表征。

    The powder was characterized by the laser size distribution apparatus , SEM , specific surface area instrument of ASAP & 2000 and the apparent density apparatus .

  20. 应用XRD、SEM与BET测比表面等手段对蜂窝形多孔陶瓷钯催化剂及其失活状态进行了测试。

    The palladium catalysts supported by honeycomb porcelain and its deactivation state have been studied by means of XRD , SEM and BET surface area measurement .

  21. 讨论了比表面测量法:空气透气法和BET氮气吸附法,并对两种方法进行了比较;

    The measurement of specific surface area has air permeation method and BET nitrogen adsorb method , the comparism of two methods has been made .

  22. 非常贫穷的人是指每日靠不到1美元维生的人。这个基准是世界银行(worldbank)少有的一项杰出营销举措,它比表面上更大方也更苛刻。

    The very poor are those who live on less than a dollar a day . The benchmark - a rare piece of brilliant marketing from the World Bank - is both more generous and more frugal than it seems .

  23. BECKMAN比表面和孔径测定仪的改进

    Improvement of a BECKMAN specific surface area and pore size analyzer

  24. 通过激光粒度仪、比表面测定仪、XRD、TEM和TG-DTA对样品粒度、比表面、晶型、形貌、失重情况等进行分析表征。

    The products have been characterized using laser scattered particle analyzer , specific surface areas measuring and testing instruments , XRD , TEM and TG-DTA .

  25. 布莱恩(Blaine)空气透过法测量粉末比表面

    Measurement of specific surface area of powder by blaine 's permeability method

  26. 分析了染料与TiO2薄膜的相互关系,利用紫外可见、比表面等技术研究染料在纳米TiO2薄膜表面的吸附性能,并计算出TiO2薄膜对染料的最大吸附率。

    Ultraviolet visible spectrophotometer , and the surface and hole analyzing apparatus have been used to explore to evaluate the adsorption properties of dye sensitized TiO 2 films .

  27. 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)。

    The BET specific surface area reaches 477.7 m2 ? g-1 for NiO calcined at 523 K.

  28. 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 .

  29. 在整个运行阶段,填料比表面较大的R1反应器的运行结果较好。

    In the whole operation period , R1 with bigger specific surface area of supports had better performance .

  30. 实验结果表明,该介孔分子筛具有较高的比表面,以及六方堆积的均匀孔道,焙烧过程中孔壁可部分晶化成锐钛矿型TiO2的小晶粒。

    These mesoporous oxides have inorganic framework and thick channel wall , in which small crystallites of anatase TiO2 can be formed during calcination .