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- Surface acidity of CLM probably originates from the pillars and its surface hydroxy. 表面酸性可能来源于柱子和表面羟基,柱子的热稳定性对表面羟基,表面酸性均有较大影响。
- Surface acidity is one of the important surface chemical properties of silicate clay minerals. 摘要表面酸性是硅酸盐黏土矿物的重要表面化学性质之一。
- These treatments adjust effectively the surface acidity and pore structure of mordenite. 这些处理过程有效地调节了丝光沸石的表面酸性和孔结构。
- Ultrasonic conductometric titration (UCT) is an easy, quick and reliable method for determining surface acidity of zeolites. 对影响超声振荡电导滴定法测定分子筛表面酸性质的因素进行了考察。
- The pillar structure, thermal stability and surface acidity of the pillared clays were investigated by ~(27)Al-NMR, XRD, DTA, IR, Py-IR, TPD. 用~(27)Al-NMR、XRD、DTA、IR、吡啶吸附-IR、正丁胺吸附-TPD等手段表征了柱结构、热稳定性和表面酸性。
- The effects of B, Mg and B-Mg modifications on the surface acidity and the catalytic performance of HZSM-5 were studied by Py-IR. 采用Py-IR分析研究了硼(B)、镁(Mg)及B-Mg复合改性对HZSM-5分子筛表面酸性和催化性能的影响。
- Ti/Zrpillared rectorie have 202.434 m~2/g BET surface area,0.930 8 g/mL~3 loosen landslide density and its surface acidity <+3.5. T i/Z r层柱累托石的BET比表面积为202.;434 m2/g;表面酸性<+3
- Besides, the conversion of ethanol have been found to be dependent on the amount of surface acid sites on zeolites. 乙醇转化率与分子筛表面酸量有关。
- The relationship between surface acidity and alkylation reaction catalytic activity of modified Y zeolite was studied on fixed-bed reactor by FT-IR. 用红外光谱法研究了改性Y型分子筛的表面酸性,并考察了烷基化反应活性与酸性质的关系。
- Zeolite Y,modified by exchanging of ions,has proper surface acidity and pore structure,and is suitable for alkylation of benzene with long linear chain olefins to produce LAB. 利用Y型分子筛为原料,经过离子交换改性,合成了具有一定表面酸性和孔结构的固体酸催化剂,用于苯与长链烯烃的烷基化反应合成烷基苯,效果良好。
- In addition, its pulse chemisorption function can provide valuable information about surface acidity, surface metal dispersion and the interaction between metal and s... 利用化学吸附仪中的脉冲吸附技术还可对催化剂的酸性、表面金属分散度、金属与载体的相互作用等进行研究。
- The results showed that the pore structure and surface acidity of carrier were affected by treating time,space velocity and calcination temperature evidentially. 结果表明处理时间、空速及焙烧温度对催化剂载体的孔结构和表面酸度均有显著影响;
- The facilitation of rare earth for catalytic activity was proved to be the cause of that the rare earth could increase the surface acidity of catalysts. 稀土对催化活性的促进作用证明是由于稀土可以提高催化剂的表面酸性。
- The strength of chemical-strengthening glass is analyzed before and after surface acid etching, and the strength reservation of glass corroded is studied. 对离子交换增强玻璃表面不同程度酸腐蚀后强度变化的情况进行了分析,并对表面腐蚀后强度的保留进行了研究。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- The results show that the content of B can be increased by purification,the surface acidity of boron reduces and the apparent viscidity and yield value of B/HTPB mixture increase slowly with the increase of mixing time. 结果表明,硼粉的提纯处理使硼元素含量小幅度增加,硼粉表面酸性降低,B/HTPB混合物的屈服值和表观黏度增长减缓。
- The catalyst was made of zeolite as the active component with boehmite as the carrier.Its activity of olefins removal was tested and solid catalyst surface acidity was measured by pyridine FT-IR. 以分子筛为活性组分,与一定比例的载体混合后制成催化剂并评价了该类催化剂的活性和稳定性,用吡啶FT-IR测定了催化剂的表面酸性;
- The surface acidic properties of various trivalent hetero-atom containing H(M)ZSM-5 (M = Al, Ga, Fe, B) have been investigated by means of TPD and IR. 用IR,TPD技术研究了不同三价杂原子的H(M)ZSM-5(M=Al,Ga,Fe,B)的表面酸性质。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。