1) Specific Surface Area
比表面
1.
The phase state,chemical structure,surface morphology,specific surface areas and mesoporous structure of the synthesized silica- based xerogels were measured systemically by means of X-ray diffraction(XRD),infrared spectrum (FTIR),transmission electron microscope(TEM),and N_2 adsoption-desoption(BET)techniques,re- spectively.
通过X射线衍射(XRD)、红外光谱(FTIR)、透射电镜(TEM)和N_2等温吸附-脱附分析,考察了合成硅基干凝胶的相态、结构、形貌、比表面积*和介孔特征。
2.
Catalyst activity was determined by not only specific surface area of catalyst but also the distributions of active center and utilization ratio of internal surface.
实验结果表明:催化剂活性比为不同催化剂单位质量表面上活性中心的总数目N总值的比值;催化剂活性不仅与比表面积*有关,还与其活性中心分布情况、内表面利用率有关。
3.
A method for measuring the specific surface area and pore volume of ion-exchange resin by N_2 absorption apparatus is introduced.
介绍了用氮吸附仪测定离子交换树脂的比表面积*、孔容的方法。
2) Specific surface area
比表面积
1.
Effect of pretreated by K_2Cr_2O_7 solution and activated on specific surface area of carbon fiber;
重铬酸钾溶液预处理及活化对炭纤维比表面积*的影响
2.
Variation of pore structure of semi-coke with temperature and spatial location during pyrolysis ——Porosity,specific surface area and pore size distribution;
焦化过程半焦孔隙结构时空变化规律的实验研究——孔隙率、比表面积*、孔径分布的变化
3.
Calculation of the specific surface area of the froth in flotation;
煤泥浮选气泡比表面积*的计算方法
3) specific area
比表面积
1.
Determination of catalyst′s specific area by LN_2;
低温氮吸附容量法测催化剂比表面积*
2.
The results show that,when the contents of titanium increase,the specific area of these hybrid materials increase accordingly.
结果表明:随着杂化材料中钛含量的增加,它们的比表面积*随之增大。
3.
By regressive analyzing the relation between specific area and water retention value (WRV) of the bleached eucalyptus KP can be expressed with a logarithm regressive equation as follows:y=127.
漂白桉木KP浆的保水值(WRV)与比表面积*可建立数学模型y=127。
4) surface area
比表面积
1.
Effect of pyrolysis conditions on the char surface area and pore distribution;
热解条件对煤焦比表面积*及孔隙分布的影响
2.
Influence of preparing technology on specific surface area and oil absorption value in thepreparation of precipitated silica;
白炭黑制备工艺对比表面积*和吸油值的影响
3.
Determination of the Surface Area of Catalyst Support by Gas Chromatography;
气相色谱法测定催化剂载体的比表面积*
5) High surface area
高比表面
1.
The cerium zirconium mixed oxides with high performance such as high surface area,good thermal stability were prepared by the method of co-precipitation and hydrothermal treatment.
采用沉淀陈化工艺,并掺杂改性,得到的铈锆复合氧化物,稳定性更高,经950℃、2 h老化后,最高比表面积*可达59。
2.
The results show that the Ce-Zr-Ba mixed oxide powder is nano-sized with the particle size of 50nm, and a high surface area of119.
4m~2/g,经1000℃高温处理后,粉体仍能保持纳米级,且分散性好,由于该粉体的高热稳定性和高比表面积*性能,可用作汽车尾气三效催化剂的耐高温保护性涂层材料。
3.
Modified SiO2 composites were synthesized from porous SiO2 with a high surface area above 1 000 m2/g by means of impregnating method.
以高比表面积*多孔型SiO2（比表面积*大于1000m2／g）为载体，用等体积浸渍法制得表面修饰钴的SiO2复合体。
6) special surface area
比表面积
1.
With cordierite as first carrier and self-made γ-Al2O3 containing rare earth oxides as second carrier the special surface area of cordierite honeycomb ceramics is increased.
用硝酸溶液对堇青石质蜂窝陶瓷样品进行处理,以堇青石为第1载体,浸渍涂覆掺杂稀土离子的自制-γA l2O3为第2载体,以增加堇青石质蜂窝陶瓷的比表面积*。
2.
It is found that hydration and calcination are beneficial to improve the special surface area、 total pore volume and pore-size distributions.
认为水合煅烧有利于提高样品的比表面积*和比孔容积和优化孔径分布,不同水钙比水合样品具有不同的脱硫能力,且呈一定的规律性变化。
3.
The results show that pyrolysis temperature, pyrolysis time and pyrolysis rate have an obvious effect on the special surface area(SSA) and average pore size(APS) of the biomass chars.
对于稻壳、树叶、棉花杆、玉米杆四种生物质焦,通过压汞法测量了其在大孔和部分中孔范围内的孔隙结构,发现热解温度、热解保持时间、热解快／慢速都会影响着焦样的比表面积*和平均孔径。
参考词条
补充资料：细长比
分子式：
CAS号：
性质：截面均匀的实体(一般为圆柱体)其长度与最小回转半径之比值。在进行压缩试验时对此值会有一定要求，以免试验过程中出现失稳现象。
CAS号：
性质：截面均匀的实体(一般为圆柱体)其长度与最小回转半径之比值。在进行压缩试验时对此值会有一定要求，以免试验过程中出现失稳现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。