The results showed that the dispersion of TiO_2 on SiO_2 surface could enhance interaction between WO_3 and support,and raised the dispersion threshold of WO_3 on support surface.
应用LRS和TPR技术研究WO3在复合载体TIO2-S iO2表面的分散状态,发现TiO2在S iO2表面的分散可增强WO3与载体之间的相互作用,提高WO3在载体表面的分散阈值。
The obtained ZrO_2/ Al_2O_3 materials are characterized by XRD,DSC-TG and TPD et al investigations,ZrO_2 is dispersed as monolayer on the surface of Al_2O_3 support with the dispersion threshold 0.
经 XRD、DSC-TG、TPD 等测试表明:ZrO_2能单层分散在 Al_2O_3表面,分散阈值为0。
were employed in examining the dispersion of the active component on the surface of the carrier,and the relevant dispersion thresholds(i.
XRD,LRS和XPS等技术可用于研究活性组分在载体表面的分散状态,并测得相应的分散阈值。
Furthermore,the relationship between dispersion thresholds and calcination temperature has been investigated,the critical dispersion temperature of KCl and NaCl on the HZSM 5 surface has been found,and th.
本文选择了KCl、NaCl两种盐类,研究了他们在HZSM-5分子筛上的分散阈值,临界分散温度等性质。
The variation of dispersion threshold value is related to the interaction between active component and carrier ,and it is an important experimental parameter in the study of catalyst.
分散阈值的大小与活性组分和载体相互作用有关,是催化剂研究中的一个重要实验参数。
The variation of dispersion threshold value is related to the interaction between active component and carrier,and it is an important experimental parameter in the study of catalyst.
分散阈值的大小与活性组分和载体相互作用有关，是催化剂研究中的一个重要实验参数，分散阈值的测定不仅为单层分散原理广泛的应用奠定了实验基础，亦为催化剂的研制提供一种定量研究手
This paper describes functional frame,development architecture,spatial database design,and attribute database organization of system,especially introduces sample drawing and value diffusing modules,also declares spatial diffusing algorithm,minimal seed algorithm and data compressed procedure in detail.
本文描述了系统的功能结构、开发结构以及空间数据库设计和属性数据库设计,特别介绍了样本绘制模块和分值扩散模块,并详细给出空间扩散算法、最小种子算法和数据压缩的实现过程。