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.
溶液中质子活度可以用水标准溶液标定的玻璃电极用电位法来测定。
In this media the proton activity can be measured by using a glass electrode with an aqueous pH scale.
文章探讨了标准氡室氡体积活度的补氡模型和稳氡模型，以及确定相关参数的测定技术。
In this paper model of radon supplementation and model of radon stabilization of radon volume radioactivity are explored, and measurement technologies of correlation parameters are established.
本产品水分活度低于0.7，又采用了镀铝内包装，存放于阴凉避光处便可达到6个月的保存期的标准。
The product of water activity below 0.7, and use aluminum in packaging so that can be stored in a cool dark and place up to 6 months shelf standards.
本产品水分活度低于0.7，又采用了镀铝内包装，存放于阴凉避光处便可达到6个月的保存期的标准。
The product of water activity below 0.7, and use aluminum in packaging so that can be stored in a cool dark and place up to 6 months shelf standards.
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