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niobic adj.【化學】鈮的。

niobite

Using niobic acid as catalyst , cyclohexane as dehydrant , benzyl propionate was synthesized based on propionic acid and benzyl alcohol 摘要以鈮作催化劑,環己烷為帶水劑,用丙酸和苯甲醇直接合成了丙酸芐酯。