介绍增设的PS A脱碳装置流程及技术指标，装置容易出现的故障以及相应的处理措施。
Describes the added PSA Decarbonization process, the technical indicators, the failures which the unit occurs easily and appropriate treatments.
理论检测食品品质变化的主要指标及相应的检测方法，并介绍了用于监测冷冻冷藏过程中食品品质的仪器。
T. based methods for the quality evaluation of foods in cold chains are illustrated. Devices are designed to monitor the quality of foods during cold storage are introduced.
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