Based on an introduction of the concept of the age-transport equation and the principles of mass conservation and radioactive decay,the differential equation was taken as the diagnostic tool for derivation of the age-transport equation of lake water and the variation regularity of the con.
在介绍年龄输运方程概念及其意义的基础上,以微分方程为分析工具,根据质量守恒原理和放射性衰变原理,利用微元法分别推导了湖泊水体的年龄输运方程和湖泊水体中放射性同位素浓度的变化规律,并给出了各自的解析解;在此两者的基础上给出了湖泊水体年龄与水体中放射性同位素浓度之间的函数关系。
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