a new type solid acid 新型固体酸
Clay solid acid is a new type catalytic materials.
粘土固体酸是一种新型的催化材料。
This article makes a new Survey on the research of esterification with solid acid catalyst.
综述了近年来我国固体酸催化合成酯的研究进展。
A new type of solid acid was prepared by calcinations of titanium sulphate doped lanthanum oxide.
搀杂氧化镧的硫酸钛经高温焙烧后制得一种新型固体酸。
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