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过饱和度是青霉素等结晶类药物，在生产过程中推动晶核的形成和晶体生长的一个极其重要的因素，因此在生产中，在线准确地测量药浆的浓度和过饱和度，一直是人们关注的问题。原理上，浓度和过饱和度的直接测量方法有平衡法和物理方法两类。物理方法又分为：差热分析法、浓度层?
Supersaturation is a crystallization of penicillin and other drugs in the production process to promote the formation of crystal nuclei and crystal growth is an extremely important factor in the production of online and accurate measurement of the concentration of pulp and supersaturation has been people Concerns. In principle, the direct measurement methods of concentration and supersaturation are the balance method and the physical method. Physical methods are divided into: Differential Thermal Analysis, concentration?