After the material balance for any a mixing pool, the analytical solutions of concentration on the evaporating surface, the distillate rate and the residue rate obtained.
对每个混合池进行物料衡算，可以得到蒸发壁面上浓度的变化和轻、重馏分流量和含量解析解。
Ultrasonic techniques can be used to measure the concentration of chemical solutions.
超声波技术为化工溶液浓度的测量提供了可能。
Using the definition and calculation formula of distribution coefficients, the deduction of the hydrogen ion concentration in solutions will be simple, clear and exact.
利用分布系数的定义和计算公式推导溶液的氢离子浓度，该方法思路简单、明了、求解准确。
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