vacuum-freezing vapor compression desalting process 蒸气压缩真空冷冻淡化法
vacuum-freezing vapor compression desaliting process 蒸气压缩真空冷冻氮化法
The vacuum freezing dry technique was applied during the drying process of the faint-scent type oolong tea.
将真空冷冻干燥技术应用于清香型乌龙茶干燥工序(冻干茶)，与冷冻茶和烘干茶进行比较试验。
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The method of the invention comprises a sol-gel process and a vacuum freezing drying process.
本发明采用的方法为溶胶-凝胶和真空冷冻干燥法。
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