通过对微波真空冻干怀山药生产工艺的研究与实践，探索微波冻干怀山药最佳生产工艺。对山药护色、灭酶技术及怀山药的微波真空冻干关键工艺进行了研究。
The technique of producing the Dioscoreaopposita Thunb by microwave vacuum, freeze-drying, the method of keeping the color of the raw materials and passivating the enzyme were studied.
结合工程实例，在创造干施工环境下，通过化学锚固螺栓的方法，实现了更换低水位以下成套橡胶护舷。
Combining an application case, whole-set underwater rubber fenders' renew under low water level, was realized under dry construction condition through chemical anchorage of screws.
结合工程实例，在创造干施工环境下，通过化学锚固螺栓的方法，实现了更换低水位以下成套橡胶护舷。
The project adopted dry construction method and the material could be completely disassembled and reused with the consequence of resources spared and environment protected.
结合工程实例，在创造干施工环境下，通过化学锚固螺栓的方法，实现了更换低水位以下成套橡胶护舷。
The project adopted dry construction method and the material could be completely disassembled and reused with the consequence of resources spared and environment protected.
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