Transient Equilibrium - Time of Maximum Daughter Activity

Time of Maximum Daughter Activity

In transient equilibrium, the daughter activity increases and eventually reaches a maximum value that can exceed the parent activity. The time of maximum activity is given by:

,

where and are the half-lives of the parent and daughter, respectively. In the case of - generator, the time of maximum activity is approximately 24 hours which makes it convenient for medical use.

Read more about this topic:  Transient Equilibrium

Famous quotes containing the words time, maximum, daughter and/or activity:

    The more important the title, the more self-important the person, the greater the amount of time spent on the Eastern shuttle, the more suspicious the man and the less vitality in the organization.
    Jane O’Reilly, U.S. feminist and humorist. The Girl I Left Behind, ch. 5 (1980)

    Only at his maximum does an individual surpass all his derivative elements, and become purely himself. And most people never get there. In his own pure individuality a man surpasses his father and mother, and is utterly unknown to them.
    —D.H. (David Herbert)

    What I would like to give my daughter is freedom. And this is something that must be given by example, not by exhortation. Freedom is a loose leash, a license to be different from your mother and still be loved. . . . Freedom is . . . not insisting that your daughter share your limitations. Freedom also means letting your daughter reject you when she needs to and come back when she needs to. Freedom is unconditional love.
    Erica Jong (20th century)

    For universal love is as special an aspect as carnal love or any of the other kinds: all forms of mental and spiritual activity must be practiced and encouraged equally if the whole affair is to prosper. There is no cutting corners where the life of the soul is concerned....
    John Ashbery (b. 1927)