The results indicate that Ti|SiZSM|5 zeolite synthesized by cheap materials has high crystallinity and weak L acidic property. 结果表明 :使用廉价原料在适宜的条件下可以合成出高结晶度的Ti SiZSM 5分子筛 ,产品为正交晶系 ;
Niobic acid and compounds containing niobium are applied in a wide range of catalysis fields for their unique acidic property and thermal stability. 摘要铌酸和含铌化合物独特酸性和热稳定性，广泛的应用催化领域中。
Its structure and surface acidic property are characterized by using XRD,IR,NH 3 TPD and EDX. The catalytic activity on m xylene isomerization is investigated. 用XRD、IR、NH3－TPD等表征了AlPO4－5分子筛的结构和表面酸性，并对其作为间二甲苯异构化催化剂的催化活性进行了考察
How is the system designed to preserve the ACID properties of a unit of work? 如何设计系统来保存工作单元的ACID属性?
The relationship of catalyst acidic properties to coke activity in catalytic cracking reactions is studied by IR,TG,and XRD. 采用IR、TG、XRD等技术研究催化裂化反应中催化剂的酸性质与积炭的关系。
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。