niobic acid [无化] 铌酸
niobic oxide 五氧化二铌
niobic acide 铌酸
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
catalyst of niobic acid 铌酸催化剂
ADJ of or containing niobium in the pentavalent state 铌的; 含铌的 (See also columbic)
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。
In this system, the water-washed niobic acid, acid-washed niobic acid and niobic acid for phosphoric acid-treated were studied.
本文分别对直接水洗法、酸水洗法以及磷酸处理铌酸催化剂进行了研究。
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。
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