| 释义 |
1 ?铌的 ... nikethamide 尼可刹米 niobic 铌的 nitrobenzene 硝基苯 ... 2 [无化]?五价铌的 ... 五甲炔花青 pentamethine 五价铌的 niobic 五尖齿型 quinquituberculate ...
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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。 - 2
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。 - 3
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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