emission control system
21Portable emissions measurement system — a portable emissions measurement system (PEMS) is essentially a lightweight ‘laboratory’ that is used to test and/or assess mobile source emissions (i.e. cars, trucks, buses, construction equipment, generators, trains, cranes, etc.) for the… …
22Automobile emissions control — covers all the technologies that are employed to reduce the air pollution causing emissions produced by automobiles. Exhaust emissions control systems were first required on 1966 model year vehicles produced for sale in the state of California,… …
23United States emission standards — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Contents 1 Motor vehicles 1.1 Light duty vehicles 1.1.1 Phase 1 1994 1999 …
24Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
25rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
26Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… …
27US emission standard — In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments play a subsidiary role. Motor vehicles Due to its pre existing standards and particularly severe… …
28renal 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… …
29Naval Tactical Data System — Simulateur de central opérationnel. Les militaires américains s entraînent à l utilisation du NTDS. Le Naval Tactical Data System (NTDS) est un système informatique de traitement de données développé par l US …
30tactical weapons system — ▪ military technology Introduction system integrating tactical weapons with electronic equipment for target acquisition, aiming, or fire control or a combination of such purposes. Tactical weapons are designed for offensive or defensive use …
