Hydrotalcite - rare earth - Zinc complex heating stabilizer was prepared, its'stability was compared.研究了水滑石 - 稀土 - 锌复合热稳定剂的制备, 并比较了其热稳定效果.This thesis selects hydrotalcite as selective IR absorption material by its c...
在整个南方地区，他被人们著书称颂，刻碑纪念。He was praised in print and memorialized in stone throughout the South.这座碑是为纪念他而建的.The monument was erected in his honour.这座碑是纪念我们胜利的.This monument commemorates our victory....