在所有可能的尖晶石矿族成员中，铁铝尖晶石和锰铝尖晶石被发现是最有效的（添加剂）。
From all possible members of the spinel groups, hercynite and galaxite, were found to be the most efficient.
本发明涉及用在铝酸锂载体上的钌催化剂将芳胺催化氢化为其相 应的脂环族化合物的方法。
The present invention relates to processes for the catalytic hydrogenation of aromatic amines to their acyclic counterparts using a ruthenium catalyst on a lithium aluminate support.
沸石是沸石族矿物的总称，呈架状结构，是一种含水的碱或碱土金属铝硅酸盐矿物。
Zeolite is the general term for zeolite-type minerals. Being rack-shaped, it is a water-containing alkali or a type of alkali soil with metallic aluminosilicate mineral.
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