Sometimes, the Microsoft Outlook integration is successful but you might not see the users' presence status/presence bubble in Microsoft Outlook. In order to troubleshoot this problem, verify these points:
2. Half-life is the time taken for the count rate to fall to half of its original reading. There are a number of ways to define half-life. Remember one of the above definitions, it may be useful in the exams. An Explanation of Half-life. A radioactive material will have some nuclei that are stable and some that are unstable.
Definition of life cycle. 1  1 : the series of stages in form and functional activity through which an organism passes between successive recurrences of a specified primary stage. 2  2 : life history 2. 3  3 : a series of stages through which something (such as an individual, culture, or manufactured product) passes during its lifetime.