Putting the solid chitosan into ethylic acid solution can potentiator.
將殼聚糖固體溶于醋酸溶液中,作造紙?jiān)鰪?qiáng)劑.
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The that sulfamic acid is an excellent catalyst for synthesis of acetophenone cyclic ethylic ketal.
以氨基磺酸為催化劑,通過苯乙酮和乙二醇反應(yīng)合成苯乙酮環(huán)乙二縮酮.
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