Tantalic columbite inclusions in corundum Megacrysts in penglai Hainan

海南蓬莱刚玉巨晶中 铌 （ 钽 ）铁矿包裹体 及其 意义

Synthesis and Characterization of Tantalic Acid and Its Catalytic Activities for Esterification

钽酸的合成、表征及催化酯化反应性能