free acid的用法和样例：
例句
用作名词 (n.)
- The adsorption of free acid with cross linked chitose resin and the effect on adsorption are studied applying conductance technology.
利用电导实验技术，跟踪交联壳聚糖树脂吸附游离酸的行为，研究吸附体系的性质对吸附的影响。 - The results showed that the absorption of the low concentration free acid by crosslinked chitosan resin obeys the formation of monolayer molecule sorption.
实验结果表明，交联壳聚糖树脂吸附低浓度游离酸的过程是遵循单分子层机制进行的。
