niobic acid [无化] 铌酸
niobic oxide 五氧化二铌
peroxy-niobic acid 过氧铌酸
peroxy niobic acid 过氧铌酸
layered niobic acid 层状铌酸
niobic tellurite glass 铌碲酸盐玻璃
ADJ of or containing niobium in the pentavalent state 铌的; 含铌的 (See also columbic)
Using niobic acid as catalyst, cyclohexane as dehydrant, benzyl propionate was synthesized based on propionic acid and benzyl alcohol.
摘要以铌作催化剂，环己烷为带水剂，用丙酸和苯甲醇直接合成了丙酸芐酯。
It was observed that the catalytic activity and the usable life of the treated niobic acid for synthesis of diethylene glycol dibenzoate was apparently higher than that of the untreated niobic acid.
用于催化酯化合成二甘醇二苯甲酸酯增塑剂 ，处理后固体铌酸的催化活性和重复使用寿命有明显提高。
Study on Acid Modified Niobic Acid Catalyst for Synthesis of 2, 5 - Dimethyl - 2, 4 - Hexadiene.
酸处理铌酸对合成2,5 -二甲基- 2,4 -己二烯催化作用的研究。
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