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- The characteristics of the nanosized TiO_2 powder were analyzed by TEM,XRD,specific surface area analyzer,TG-DTA and UV-VIS. 用透射電鏡、X射線(xiàn)衍射儀、比表面積分析儀、差熱分析和紫外-可見(jiàn)光譜分析儀等,對所制備的納米顆粒進(jìn)行了表征。
- The BET specific surface area reaches 477.7 m2? g-1 for NiO calcined at 523 K. 結果表明;在523K下焙燒得到的氧化鎳BET比表面達到477.;7m~2·g~(-1)
- specific surface area analyzers 比表面積測試儀
- At the same time,the specific surface area and the mesopore and m... 進(jìn)一步延長(cháng)超聲時(shí)間,其比表面積和孔容反而下降。
- The coarse grain size and small specific surface area of Chengchao iron ore concentrate influence negatively the output and quality of pellet. 由于程潮鐵礦鐵精礦的粒度較粗,比表面積較小等原因,嚴重影響了球團礦的產(chǎn)量和質(zhì)量。
- Floc properties may be described by properties as floc strength, specific surface area, surface potential and surface energy. 絮凝物可以通過(guò)絮凝物強度,具體表面,表面潛力和表面能量來(lái)描述。
- The results show that BET specific surface area of AC is 1 654 m2/g, with reasonable pore size distribution (PSD). 結果表明:活性炭的BET比表面積達1 654 m2/g,具有合理的孔徑分布,主要在2 nm附近。
- The specific surface area of the ceramisite with the best formula was 6.26 m2/g,and the porosity was 79.53%. 最佳配方下所得陶粒的比表面積為6.;26 m2/g;孔隙率為79
- All of the effects could be accounted for by changes in the specific surface area,pore size distrib... 活性炭的比表面積、孔徑分布和表面性質(zhì)都會(huì )影響其吸附氫氣的能力,其中,比表面積是最主要的影響因素。
- 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積是奈米碳管的特性。
- And it is the best for the size of grains, specific surface area, reunite factor and distr... 溫度過(guò)高時(shí),因燒結現象的發(fā)生,可能產(chǎn)生硬團聚。
- The simple determination of specific surface area for porous solids by ethanol-desiccator method is described. 簡(jiǎn)易干燥器乙醇法測定多孔物質(zhì)比表面積。
- The particles may be spherical or irregular of varying porosity and specific surface area. 顆?？梢允乔蛐偷?，也可以是不規則形狀的，多孔性和比表面積有所不同。
- High specific surface area activated carbon was prepared frombamboo by chemical activation with KOH. 以竹屑為原料,研究了KOH活化法高比表面積活性炭的制備工藝。
- Finally the fertilizer specific surface area is obtained according to spheroid surface area formula finally. 這一比表面積的測定方法可以方便地應用于控釋肥料研制過(guò)程計算包膜的厚度和膜材的用量。
- Result showed that the obtained Sb-doped tin oxide nanopowders possessed high specific surface area. 結果表明,采用乙醇超臨界流體干燥法可得到高比表面積的摻銻氧化錫納米粉體。
- The reduction rate of ferric oxide powder and specific surface area of superfine iron powder were measured, compared and analyzed. 研究表明納米氧化鐵粉活性高,還原溫度低,可獲得微細鐵粉;測量了各個(gè)溫度和時(shí)間下反應的還原率和所得粉末的比表面積,并進(jìn)行了比較和分析。
- The pore size and specific surface area of ACFs were decreased after fluorination.The adsorption isotherm of nitrogen on ACFs were evidently reduced. 氟化后活性炭纖維的孔結構和比表面積變小,氮低溫吸附等溫曲線(xiàn)明顯降低。
- Gratf copolymer has bigger specific surface area than homopolymer in spatial structure,which is propitious to bridging.That is why SGM can ... SGM提高絮凝效果的原因是:接枝共聚物在空間結構方面比均聚物顯現出較大的比表面積,對橋連有利。
- Cellulose II powders, compared to the respectie cellulose I counterpart, exhibited lower crystallinity, true density, and specific surface area. 與各自對應的纖維素I相比，纖維素II粉末的結晶度、真密度和比表面積都較低。
