本文用膨润土颗粒在悬浮态下干燥的实验测试数据，对该类物料的干燥机理进行了剖析，在此基础上回归了一个半理论半经验的干燥动力学模型。
With the analysis on the drying mechanism of sodium based bentonite, a semi-theoretical kinetic model is regressed by using the experimental data of drying the material in suspended state.
计算实例表明，通过混杂建模方法，可以充分利用工业对象的机理模型以及操作工经验或专家经验，建立系统的更精确模型；
The practical result shows that this method can build more precision model by utilizing mechanism model of industrial process and expert experience.
国内研究者对不同环境因子对固氮的影响开展了一些工作，但多未从定量角度出发。国外的生物固氮模型按构建方式大致可以分为经验模型和机理模型两类。
Domestic researchers have carried out some work on the influence of environmental factors on nitrogen fixation, however most of them are not from a quantitative point of view.
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