specific surface

Anthracite char has poor pore structure and small specific surface area.

无烟煤焦分支孔贫乏,比表面积很小.

In this study , zirconium hydroxide samples with huge specific surface areas were prepared with sol-gel method.

利用溶胶 - 凝胶法制备高比表面积氢氧化锆样品.

Advantages of pore structure are developed, specific surface, strong adsorption, Yin force, chemical layer, stable performance.

优点是孔隙结构发达, 比表面积大, 吸附性能强, 库层阴力小, 化学性能稳定,易再生.

As a result , all levels pore specific surface present disciplinarian change in different coalification jump phases.

且该变化规律与煤化作用跃变联系紧密.

It is indicated that BET specific surface area is most significant influenced by reaction temperature, and the sequence of influence level are concentration of sodium silicate, cocurrent time and concentration of vitriol.

实验结果表明，反应温度对沉淀二氧化硅的BET比表面积的影响最大，其次是硅酸钠浓度、并流时间和硫酸浓度。

Microfiber have most big specific surface-area and sufficient effect of capillary.

超细纤维具有比表面积大和丰富的毛细管效应.

The BET specific surface area reaches 477.7 m 2 ? 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).

The plane that contains all the lines tangent to a specific point on a surface.

包含所有在表面上的一个特殊的点相切的线的平面。

Methods of modified coal tar pitch for preparing high specific surface area activated carbon were studied.

研究了用于制备高比表面积活性炭的改质煤沥青的调制方法.

Its crystal structure, specific surface area, pore size distribution, oxygen storage capacity ( OSC) and redox behavior were investigated by X-ray diffraction, BET, oxygen pulse adsorption and H_ ( 2)-temperature programmed reduction ( H_ ( 2)-TPR).

采用X射线衍射、BET、氧脉冲吸附和H2程序升温还原（H2-TPR）等技术对材料的晶体结构、比表面积、孔结构、储氧性能和还原性能进行了研究。

The simple determination of specific surface area for porous solids by ethanol-desiccator method is described.

简易干燥器乙醇法测定多孔物质比表面积.

High specific surface area activated carbon was prepared frombamboo by chemical activation with KOH.

以竹屑为原料,研究了KOH活化法高比表面积活性炭的制备工艺.

In order to obtain high catalysis effect, dolomite with bigger specific surface area should be chosen.

要想得到好的焦油裂解效果, 须选择高比表面积的白云石.

The bigger the specific surface area of ash particles and thus the more mercury adsorbed.

飞灰颗粒比表面积增大,飞灰的汞吸附趋于增加.

Fly ash has the potential chemical cementitious characteristics and high specific surface area.

粉煤灰具有巨大的比表面积和潜在的化学胶凝特性.

With high specific surface area, ordered pore structure, facilely tailorable pore size ( 2-3nm) excellence, Mesoporous molecular sieve MCM-41 often use macromolecule compose field, and can used to the converge reactivity reactor.

介孔分子筛MCM-41具有比表面积高、孔道结构规则及孔径分布均匀（约为2～3nm）等优点，可用在高分子合成领域，特别是聚合反应的反应器。

The main features of CNTs contain highly-perfect graphitization structure and high specific surface area.

兼具高石墨化程度以及高比表面积是奈米碳管的特性.

The particles may be spherical or irregular, of varying porosity and specific surface area.

颗粒可以是球型的,也可以是不规则形状的, 多孔性和比表面积有所不同.

Nanoscale Fe/ Cu had a relative larger specific surface area.

纳米Fe/Cu的比表面积相对较大。

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.