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。
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。
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