ejection
21Ejection de masse coronale — Éjection de masse coronale Pour les articles homonymes, voir CME. Une éjection de masse coronale, souvent appelée CME (Coronal Mass Ejection en anglais), est une bulle de plasma produite dans la couronne du soleil. Elle est souvent liée à une… …
22Éjection solaire — ● Éjection solaire projection brutale dans l atmosphère du Soleil de la matière sous jacente, provoquée par des modifications rapides des champs magnétiques locaux …
23ejection seat — (also ejector seat) ► NOUN ▪ an aircraft seat that can propel its occupant from the craft in an emergency …
24ejection seat — n. a seat designed to be ejected with its occupant from an aircraft in an emergency and parachuted to the ground …
25Ejection seat — In aircraft, an ejection seat is a system designed to rescue the pilot or other crew of an aircraft (usually military) in an emergency. In most designs, the seat is propelled out of the aircraft by an explosive charge or rocket motor, carrying… …
26Ejection fraction — In cardiovascular physiology, ejection fraction (Ef) is the fraction of blood pumped out of a ventricle with each heart beat. The term ejection fraction applies to both the right and left ventricles; one can speak equally of the left ventricular… …
27Ejection (sports) — In sports, an ejection (or dismissal or sending off) is a disqualifying action assessed to a player or coach by a game official (such as a referee or umpire), usually for unsportsmanlike conduct.Many ejections occur for such actions as fighting… …
28Éjection de masse coronale — Pour les articles homonymes, voir CME. Une éjection de masse coronale (en anglais, coronal mass ejection : CME) est une bulle de plasma produite dans la couronne solaire. Elle est souvent liée à une éruption solaire ou à l apparition d une… …
29Ejection fraction — The portion of blood that is pumped out of a filled ventricle as a result of a heartbeat. The heart does not eject all of the blood that is in the ventricle. Only about two thirds of the blood is normally pumped out with each beat. That fraction… …
30ejection period — the second phase of ventricular systole, being the period intervening between the opening and closing of the semilunar valves, during which the blood is being discharged into the aortic and pulmonary arteries. It can be divided into an initial… …
