Your heart's electrical system controls the timing of your heartbeat by regulating your: 1  Heart rate, which is the number of times your heart beats per minute. 2  Heart rhythm, which is the synchronized pumping action of your four heart chambers.
Get it delivered right to your inbox! Service Computation Date Determination. The service computation date is the date on which you start counting the years of service you need to retire. The date for most employees is the date on which they first enter the service. However, some have been on active duty with the armed forces and may be entitled to service credit for that time.
By Simon Schalit, Joannes Vermorel, last revised March 2014. In supply chain the cycle service level (or just service level) is the expected probability of not hitting a stock-out during the next replenishment cycle, and thus, it is also the probability of not losing sales. The cycle duration is implicitly the lead time.