The activity product is important to control the manufacture of thiamine nitrate and to study the dynamics of crystallization process.

硝酸硫胺的活度积常数对于控制硝酸硫胺生产过程、研究结晶过程动力学、提高产品收率具有重要的理论指导意义。

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In the model, according to the two steps crystallization theory, the dynamics mechanism of crystal nucleation and growth was analyzed.

根据双步结晶理论，对蒸发结晶的成核和生长动力学进行分析，建立了成核和生长的理论模型。

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Crystallization dynamics is the key process in a crystallization control process, it is relatively complex because of different research systems and crystallization condition varies.

结晶动力学是结晶过程控制的核心，因研究体系的不同及结晶条件的各异而相对复杂。

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