The procedure with frozen-drying and chemistry were used to produce porous structure in the biomaterials.
采用快速冷冻干燥法和化学方法对生物材料进行制孔处理。
By using thermodynamic and kinetic theories, the mechanism that annealing in freeze-drying process of pharmaceuticals can change the structure of frozen pharmaceuticals was explained.
运用热力学和动力学理论分析了药品冷冻干燥过程中的退火操作改变冻结药品结构的机理。
The results showed that the best method to break the dormancy of wheat is frozen in advance; the best method for rice is heating drying to handling seed.
结果表明：小麦最佳破休眠方法是预先冷冻，破除水稻最佳方法是加热干燥配合浸种处理法。
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