What's the difference between ejector and lever?

Ejector


Definition:

  • (n.) One who, or that which, ejects or dispossesses.
  • (n.) A jet jump for lifting water or withdrawing air from a space.

Example Sentences:

  • (1) And the best car – the Aston Martin DB5 with smokescreen, oil slick, front-wing machine guns and passenger ejector seat, all of which Bond employs against carfuls of henchmen in pursuit … to no avail, because he ends up totalling it and getting captured anyway.
  • (2) Finally, noise control techniques in the use and installation of nozzles and ejectors are reviewed.
  • (3) The death of Cunningham has bewildered senior RAF officers who say the ejector seat in a Hawk is almost impossible to activate accidentally, requiring considerable pressure from the pilot.
  • (4) Solid and traditional, all acres of dark wood and stained glass, it prides itself on its list of around 18 mainly bottled Irish beers from such breweries as Kinsale, Hilden, Station Works, Farmageddon, Clever Man (look out for its Ejector Seat turf-smoked stout) and Hercules.
  • (5) The accuracy of five ejector flowmeters was assessed using three different gases and four flow-rates.
  • (6) The gas is evacuated from the Hafnia A circuit via an ejector flowmeter.
  • (7) (2) Because patients may have the need to swallow during a four-minute topical application procedure, the use of a saliva ejector during the procedure is recommended.
  • (8) The police refused to say what recommendations they had made, but at an early inquest hearing, the officer leading the inquiry, Detective Superintendent Shaun West, confirmed he was looking specifically at why the cockpit ejector seat activated and why the parachute mechanism did not work.
  • (9) An efficiency rating system is presented to aid in the selection of hand held air guns, nozzles, and ejectors.
  • (10) This modification involves forming a vacuum chamber at the posterior extent of the custom tray to which a saliva ejector tip is embedded.
  • (11) In a full statement, the CPS said it had considered charges against three individuals as well as the Ministry of Defence and the defence company Martin Baker Ltd, which makes ejector seats.
  • (12) Prosecutors are considering whether to bring criminal charges over the death of a Red Arrows pilot killed when the ejector seat of his jet fired as the plane sat on the tarmac at an RAF base.
  • (13) A simple time-cycled device uses an oscillating, fluidic, bistable element to control the high-pressure oxygen, supply to the ejector of a ventilating bronchoscope.
  • (14) When the saliva ejector is connected to the low-volume evacuation hose, the chamber will trap any excess impression material that might extrude from the posterior border of the loaded tray.
  • (15) This paper describes an ejector system for AH-drivers based on the Venturi effect, which was designed for this purpose.
  • (16) The incident bewildered senior RAF officers who say the ejector seat in a Hawk is almost impossible to activate accidentally, requiring considerable pressure from the pilot.
  • (17) When the ejector-detector assembly was moved to the caudate, dopamine could only be observed following pressure ejection after perfusion of the slice with 10 microM nomifensine.
  • (18) By means of an ejector attachment to the endotracheal tube a negative intratracheal pressure of approx.
  • (19) Calibrated gas evacuation is carried out through an ejector flowmeter from the anesthetic circuit or from a closed reservoir, where the gas is collected via a relief valve.
  • (20) The evidence related to the failure of the parachute to open, rather than to why the ejector seat had fired in the first place.

Lever


Definition:

  • (a.) More agreeable; more pleasing.
  • (adv.) Rather.
  • (n.) A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; -- used for transmitting and modifying force and motion. Specif., a bar of metal, wood, or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.
  • (n.) A bar, as a capstan bar, applied to a rotatory piece to turn it.
  • (n.) An arm on a rock shaft, to give motion to the shaft or to obtain motion from it.

Example Sentences:

  • (1) In this experiment animals were trained to lever press in two distinctive contexts.
  • (2) Orientation and lever responding were not functionally related.
  • (3) In older stages, the cervical joints rotate according to geometric and lever arm principles.
  • (4) In EastEnders , the mystery surrounding the identity of Kat's secret squeeze continues amid the grinding of narrative levers and the death rattle of overflogged script-horses.
  • (5) Cats were trained to press a lever for 0.5--1.0 ml of milk reward both in the presence and absence of ambient light.
  • (6) Setting out how Britain would have a lever over the rest of the EU to demand repatriation of UK competences, Cameron said: "What's happening in Europe right now is massive change being driven by the existence of the euro.
  • (7) When lever pressing was established, the 2-kHz signal was presented through a speaker adjacent to the response lever according to a different set of variable intertrial intervals.
  • (8) Officials said the changes to the planning rules will mean it is possible to lever in billions of private sector development in low-cost housing.
  • (9) Rats were allowed to bar press on either of two levers (left and right).
  • (10) Knee flexion is synchronized with ankle dorsiflexion by a synchronizer rod and lever.
  • (11) In order to study the interactions between serotonergic mechanism and electrical stimulation of the mesencephalic central gray substance, rats were trained to lever-press for terminating aversive electric stimuli applied at the Periaqueductal gray and adjoining tectum of the mesencephalon.
  • (12) Rats were trained to press a lever to obtain a brief burst of pulses to the lateral hypothalamus.
  • (13) But its original meaning is the practice of using the levers of the state and of government to get difficult things done that otherwise wouldn't happen.
  • (14) Intact rats and rats bearing lesions of the suprachiasmatic nuclei (SCNX rats) were trained to obtain food by pressing either of two levers located on opposite sides of a cylindrical cage.
  • (15) We found that attenuation of lever-pressing and water intake by raclopride were not more separated in dose than after, for example, haloperidol.
  • (16) Young rats weaned at 16 days were taught to press a lever by shaping at 18 days and trained for 11 days (from 20 to 30 days of age) on a fixed-interval 60-sec schedule, at a rate of 5 half-hour sessions per day.
  • (17) In contrast, the selective norepinephrine uptake inhibitors, desipramine and talsupram, and the selective serotonin uptake inhibitor, citalopram, occasioned averages of only 13 to 19% drug-lever responding.
  • (18) When reinforcement was not available, each lever response produced a 0.5-sec green light on the key.
  • (19) Rats implanted with placebo pellets and given access to morphine reestablished lever pressing, while those given access to isotonic saline extinguished their lever pressing.
  • (20) Levels of acetylcholine were significantly elevated in the telencephalon and diencephalon + mesencephalon of rats killed by near-freezing during conditioned suppression of food-reinforced lever pressing, whereas levels of serotonin, dopamine, and norepinephrine were not altered.