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.
Understanding this parameter. is essential not only for proper power system sizing but also for operability. and reliability. ISO-8528-1 limits the 24-hour average load factor. on most standby generator sets to 70 percent of. nameplate capacity. For utility outages lasting a. few minutes or a few hours, one or two times a. year, standby generator sets are designed to be. loaded to 100 percent of nameplate capacity for. the duration of the outage.