文件类型:PDF文档
文件大小:822K
The present invention provides a metal passivator/trap comprising a rare earth oxide dispersed on a matrix containing a calcined hydrous kaolin.
0下载445浏览627K
0下载282浏览365K
0下载280浏览491K
0下载198浏览106K
0下载197浏览1201K
0下载458浏览359K
0下载147浏览503K
0下载258浏览6877K
0下载376浏览944K