active clearance control system
1Active tip-clearance control — Active clearance control (ACC) is a method used in gas turbines to improve fuel efficiency. This is achieved by controlling the tip clearance. It is particularly effective on turbofans since they are required to respond quickly to changes of the… …
2renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… …
3Air traffic control — For the Canadian musical group, see Air Traffic Control (band). Airport Traffic Control Towers (ATCTs) at Amsterdam s Schiphol Airport, the Netherlands …
4endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
5Access control — is the ability to permit or deny the use of a particular resource by a particular entity. Access control mechanisms can be used in managing physical resources (such as a movie theater, to which only ticketholders should be admitted), logical… …
6List of U.S. security clearance terms — The followings list of terms is used to indicate type, level, or scope of security clearance and background investigation in the United States.Security clearance descriptors often appear in employment advertisements, as employers generally prefer …
7Buk missile system — Infobox Weapon name= 9K37 Buk NATO reporting name: SA 11 Gadfly, SA 17 Grizzly caption= 9K37 Buk ready to fire origin= flagcountry|Soviet Union type= Medium range SAM system is ranged= is bladed= is explosive= is artillery= is vehicle=yes is… …
8digestive system disease — Introduction any of the diseases that affect the human digestive tract. Such disorders may affect the esophagus, stomach, small intestine, large intestine (colon), pancreas, liver, or biliary tract. A prevalent disorder of the digestive… …
9Traffic Collision Avoidance System — The Traffic alert and Collision Avoidance System (or TCAS) is an aircraft collision avoidance system designed to reduce the incidence of mid air collisions between aircraft. It monitors the airspace around an aircraft for other aircraft equipped… …
10Adaptive immune system — The adaptive immune system is composed of highly specialized, systemic cells and processes that eliminate or prevent pathogenic challenges. Thought to have arisen in the first jawed vertebrates, the adaptive or specific immune system is activated …
