... 放射核种活度；放射核种活性 activity of radionuclides 活度标准；活性标准 activity standard 活度单位；活性单位 activity unit ...
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讨论了正规溶液模型中活度标准态的变换及标准生成自由能的转换。
Conversion of activity standard state and standard free energy change in regular solution model are also discussed here.
通过建立和求解一个地区饮水水溶液模型可获得标准致病水与非致病水的各种化学组份活度。
The activities of various chemical compositions of the standard pathogenic water and non - pathogenic water in a region can be estimated through establishing and solving the groundwater aqueous model.
该比对中的三种样品是由一些具有已知核素比活度的标准物质或准标准物质构成，而另一种是活度未知的盲样。
Three samples consisted of standard or quasi-standard substances with known specific activities of some nuclides while the radioactivity of the other sample was unknown.
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