Theoretical consideration is taken up to the increase in radon daughter's concentration under local purification.
从理论上分析了净化过程中氡子体浓度增长的规律。
2
The theoretical relations between the antifreeze activity and concentration of antifreeze protein are given by using of the relation between the saturation fraction and antifreeze activity.
进而，利用饱和分数与抗冻活性之间的关系，给出抗冻活性与抗冻蛋白浓度的理论关系。
3
By the theoretical deduction of electrochemistry, the method for rectifying the Nernst's Equation when determining one ion's concentration in a multi-ion-mixed solution was put forward.