比表面积

结果表明FeAlBent和FeBent具有很高的比表面积（分别为194.2和114.6m2/g），用FeAlBent或FeBent作光催化剂的复相光助Fenton反应的催化性能明显优于相应的均相光助Fenton反应。

It was found the Fe-Al-Bent and the Fe-ent have high BET surface area ( 194.2m2/g and 114.6m2 / g , respectively ) . Both the heterogeneous photo-Fenton processes employing the Fe-Al-Bent or the Fe-Bent as catalyst exhibit higher photo-catalytic activity compared to their corresponding homogeneous photo-Fenton process .

作为对比粘土，膨润土和凹凸棒石酸化后的最大比表面积只有124.3m2/g和251.6m2/g，蛭石中较高的Fe元素含量在提高比表面积中发挥了关键的造孔作用。

The largest SSA of acid bentonite and palygorskite were only 124.3 and 251.6 m2 / g , high Fe content of vermiculite played an important role in increasing SSA .

ZnO纳米结构比表面积大，缺陷密度高。

ZnO nanostructures have large surface area and high defect density .

BET理论为测量材料比表面积提供了极其有用的方法。

BET theory is useful for the measurement of material 's surface area .

BET法表征了催化剂的比表面积；

BET nitrogen absorption method is used to analyze surface area of the catalyst .

本文以纳米SiO2粉末为研究对象，首次比较了三种常用的纳米颗粒粒径检测方法（透射电镜法、X射线衍射法、比表面积法）的检测结果。

Three methods ( TEM , X-ray diffraction and specific surface area ) of measuring SiO_2 nano-particles size were compared .

吸附法测定U3O8粉末比表面积

Specific Surface Area Measurement of U_3O_8 Powder by Absorption

分析了-γAl2O3的负载量及其焙烧温度对堇青石比表面积的影响。

Influence of γ - Al2O3 content and baking temperature on special surface area is analyzed .

粉末的比表面积在30.4～77.1m2/g之间，远远大于市售TiO2粉末。

Their BET surface areas were between 30.4 and 77.1m2 / g , much larger than commercial TiO2 powder .

SEM分析表明两种陶粒均具有粗糙的表面，丰富的孔隙结构和较高的比表面积，适合用于废水处理。

SEM analysis indicates that two kinds of ceramisite have good adsorption properties with high specific surface area , rougher surfaces and porous .

这种球形活性炭是以微孔为主的活性炭，其比表面积可达800m2／g，孔容可达0.352cm3／g。

This kind of spherical activated carbon has mainly micropore with surface area of 789 m 2 / g and pore volume of 0.352 cm 3 / g.

TiO2纳米管阵列的比表面积对电池性能有着重要影响。

The specific surface area of TiO2 nanotube arrays has an important influence on the photovoltaic properties of the cells .

活性炭通常采用物理活化法和化学活化法制备，其比表面积通常在1500m~2／g左右。

There are two processes for the preparation of activated carbons , the so-called physical and chemical activation . The specific surface area is generally about 1500m2 / g.

低温N2吸附等温线属于LangmuirⅠ型，BET比表面积为635.6m2/g。

Nitrogen adsorption isotherm plot of the sample recorded belongs to Langmuir ⅰ with specific surface area of 570.3m2/g .

加入USY可提高催化剂的比表面积，但不利于发挥Ni的助剂作用；

USY can increase the surface area of the catalyst , but decrease the effect of promoter Ni ;

结果表明，Na的诱导作用使无定型氧化硅在焙烧过程中相变为α-方石英结构，同时伴有比表面积的大幅度下降；

The inducing effect of sodium makes amorphous silica transferred to α cristobalite during calcination , and the specific surface area decreases enormously as a consequence .

由于白炭黑较高的比表面积及丰富的孔隙率，使得白炭黑复合吸附剂对CO2的吸附效果整体上高于硅胶复合吸附材料。

Because of the high specific surface and porosity , the CO2 absorption capacity of white carbon black complex adsorbents was better than the silica gel ' s.

800℃下所得活性炭的BET比表面积以及孔体积可分别达到1401m2/g和0.79ml/g。

The BET surface area and pore volume of the carbon activated at 800 ℃ were 1401 m2 / g and 0.79 ml / g respectively .

并验证了煤焦还原反应能够较好的适合未反应收缩核模型。最后通过对反应产物的比表面积分析、离子色谱分析，讨论了纳米TiO2催化燃烧脱硫脱硝的机理。

And it was verified that the coal reduction is better to fit the model . Finally the mechanisms were discussed by ion-chromatographic and BET analysis .

实验室试验结果为：C类助磨剂的加入改善了粉磨效率，提高了比表面积，水泥试样各龄期的强度值都比空白样高。

Laboratory test shows that Type C can improve grinding efficiency and increase specific surface , strength of cement samples in each age is higher than samples without C grinding aids added , a industrial trail test on ?

酸处理后Beta分子筛的酸性有不同程度的降低，但比表面积没有太大变化。

The acidity of Beta zeolite was reduced to some extent after the treatment of acids , while its specific surface area had no great change .

结果表明，微球直径在300μm~500μm之间，BET比表面积为38.27m2/g。

The results showed that the diameter of microspheres were 300 μ m ~ 500 μ m , and the BET surface area was 38.27m ~ 2 / g.

而使用Fe催化剂制成的干凝胶则可形成-βSiC。此外，随着Fe用量的增加，-βSiC的颗粒尺寸和平均晶粒度增加，而堆积缺陷密度和比表面积则减小。

With an increase in the amount of Fe catalyst , the average crystallite size of the SiC particles increased , whereas the stacking fault density and the surface area decreased .

方法对活性炭表面性质无损害，再生炭的BET比表面积和总孔容积可恢复到新炭的78%，孔径分布基本无变化。

The method has no harm for the surface properties and pore size distribution of GAC . 78 % of BET surface area and total pore volume were recovered .

X射线衍射、扫描电镜和比表面积分析结果显示，煤系高岭土经过剥片后片层变薄，颗粒粒度变小。

It is revealed by XRD , SEM and specific surface analysis that the thickness of the kaolinite sheet becomes thinner and its particle size becomes smaller with the delamination of kaolin from coal measures .

测定了活性炭的比表面积、微孔孔容、碘吸附值、四氯化碳吸附值、CO2吸附量、堆积密度等指标。

The iodine number , hardness , apparent density , carbon tetrachloride adsorption , specific surface area , pore size distribution , and CO2 adsorption of the activated carbons were determined .

本文对色素炭黑的表征技术进行了系统地研究，详细地考察了炭黑的元素组成、pH值、表面酸性、粒度、比表面积等性质。

In this paper , the characterization technology has been studied , and the properties of element composition , pH value , surface acid , granularity , specific surface area from carbon black have been researched .

但由于TiO2粉末具有很高的比表面积和热力学不稳定特性，随着温度升高，TiO2容易发生相转变和晶体长大而失去其高比表面积特性。

However , titania powders with high ratio surface areas are not thermally stable and lose their surface area readily at elevated temperature through phase transformation and crystallite growth .

利用BET比表面积测定、XRD、TGDTA等对化学混合法制备的Ni/SiO2单元催化剂进行了表征。

Characterization of Ni / SiO_2 catalysts prepared with the method of chemical mixing procedure was carried out by means of BET surface area measurement , XRD and TG_DTA etc.

结果表明：随制焦温度的升高，焦的m（C）/m（H）、密度单调上升，焦中碳结构未出现明显的变化，而总比表面积呈现先上升后下降的趋势；

The results showed that with the increasing of char-making temperature , m ( C ) / m ( H ) and density of the coal char rose monotonously while the total specific area increased firstly and then declined .