食品水分活度测量不确定度的评定方法_文档下载_文档资料库 关键词：水分活度测量；相对湿度标准；测量不确定度 [gap=319]Keywords： Water activity measurement； Relative humidity reference； Uncertainty
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This paper introduced definition, measurement, application and study status quo of water activity.
本文介绍了水分活性的定义并对其检测方法、作用及研究现状进行综述。
Measurement method under the water for cobalt target activity is described.
本文描述钴靶活度的水下测量方法。
The temperature control system with high precision and fast response was used for the aided experiment on measurement of water activity, and it achieved a good control effect.
该温度控制系统用于水分活度测量辅助实验，精度高、响应快，获得了良好白勺控制效果。
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