Langerhans' cell histiocytosis can manifest as three distinct clinicopathologic entities: acute disseminated Langerhans' histiocytosis (previously known as Letterer-Siwe disease), unifocal Langerhans' cell histiocytosis (previously known as eosinophilic granuloma).
average handle time (AHT) Average handle time (AHT) is a call center metric for the average duration of one transaction, typically measured from the customer's initiation of the call and including any hold time, talk time and related tasks that follow the transaction. AHT is a prime factor when deciding call center staffing levels.
If the review period p is reduced, the safety stock does not necessarily reduce because p is in both the numerator and denominator of the standard loss function which determines the value of z. The average level of on-hand inventory is the sum of the cycle stock ( equal to Âµp/2 ) and the safety stock. The on-hand inventory does not include those units in the delivery pipeline.