Polysaccharides from Clitocybe maxima Quél(ZDG) was precious fungi for food, it has the significant value in science and application.
猪肚菇多糖（ZDG）作为一种珍贵食用真菌，由于对其研究还很少，因此具有重要的开发价值。
The article gives optimize control aimed function in vacuum sublimation drying process, optimize control method and the introduction of ZDG-40 freeze drying equipment heating system.
介绍了真空升华干燥过程优化控制目标函数及其优化控制方法，ZDG - 40冷冻干燥机加热系统。
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