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- The effects of calcining temperature on catalytic be-havior may be due to changes in surface area and water content on the catalyst surface andhave nothing to do with either the crystallization or ... 铌酸催化剂催化性能受煅烧温度影响的原因是铌酸结构中含水量及比表面积随煅烧温度改变而变化;与某些作者所认为的是氧化铌结晶或形成不同的晶态无明显关系.
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- catalyst surface area 催化剂表面积
- The minuscule pores keep the thinly spread catalyst in place and create the large surface area needed to break down the fuel effectively. 这些极小的小孔使分布稀薄的催化剂保持在原位上,并且能留出有效分解这种燃料所需的尽量大的表面积。
- The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier. 催化剂出售商供应了一种具有表面积小,纯度高的氧化铝载体催化剂。
- The BET surface area of CA could achieve 340.1m2/g. 炭化树脂的BET比表面积可达340.;1m2/g。
- Crosslinked clay catalyst is a new catalytic material with large surface area,unique pore structure and very low cost. 交联粘土催化剂具有巨大的比表面和独特的孔结构,且价格低廉,是一种良好的催化材料。
- The effect of the pore volume and surface area of hydrotreating catalyst on its activity was studied. 考察了加氢精制催化剂的孔容和比表面对其活性的影响。
- Exact computation of the burning surface area is lengthy. 燃烧面积的精确计算是非常繁难的。
- In printing, the surface area taken up by type of a given size. Thus an8 point type occupies a print area of8 point em. 在印刷技术中,给定尺寸的铅字所占有的表面积。这样,一个8点的铅字则占有8点em的印刷面积。
- Catalyst prepared by the water phase method have much lower surface area and the crystallinity increases with increasing temperature of calcination. 水相法制备获较复杂的晶相,随着焙烧温度的提高,样品的比表面积减小,晶相强度增加;
- The results showed that in the condition of preparation and application of FCC catalyst,activated alumina exhibited steady surface area,pore volume and acidity. 结果表明,在FCC催化剂制备及应用条件下,活性氧化铝保持比较稳定的比表面积、孔容和酸性等性能。
- The diluent,such as toluene,was an inhibitor of coke deposition on HZSM-5 zeo-lite catalyst surface. 甲苯之类的稀释剂是邻氯甲苯常压异构化中 HZSM-5沸石催化剂表面结焦的抑制剂。
- The obtained solid base catalyst, which possessed huge specific surface area and good antiacid and waterproof performance, had excellent application prospect. 所制固体碱生物柴油催化剂比表面积大,抗酸、抗水性能好,应用前景良好。
- The burning surface area remains constant during the entire firing. 在整个燃烧期间的燃烧面积是常值。
- TPR,XRD,BET and other techniques are employed to elucidate catalyst structure,the action of ZrO_2 and catalyst surface proper- ties. 采用TPR、XRD、BET等测试技术对催化剂结构、ZrO_2的作用及催化剂表面性质进行了探讨。
- Class, and the surface area is calculated for each figure. 类,并为每个图形计算表面积。
- It was found that the catalyst surface was kept clean after the photoreaction in that heptane can be rapidly and completely photodegraded into CO2. 研究发现庚烷可以迅速的被完全降解成为CO2,因此在反应结束之后可以保持催化剂表面的洁净。
- What effect does emphysema have on the surface area of the lungs? 肺部表面如果出现裂层有什麽影响?
- FePO 4 and AlPO 4 distribute at intervals, and there exist Lewis base sites (P=O and P-O-Fe) and Lewis acid sites (Fe 3+ and Al 3+) on the catalyst surface. FePO4 和AlPO4 间隔分布在催化剂表面 ;形成Lewis碱位 (P =O ;P O Fe)和Lewis酸位 (Fe3 + ;Al3 + ) .