free-acid的用法和樣例：
例句
用作名詞 (n.)
- The adsorption of free acid with cross linked chitose resin and the effect on adsorption are studied applying conductance technology.
利用電導實驗技術，跟蹤交聯殼聚糖樹脂吸附遊離酸的行為，研究吸附體系的性質對吸附的影響。 - The results showed that the absorption of the low concentration free acid by crosslinked chitosan resin obeys the formation of monolayer molecule sorption.
實驗結果表明，交聯殼聚糖樹脂吸附低濃度遊離酸的過程是遵循單分子層機制進行的。
