| 词汇 | vacuum-pump |
| 释义 | vacuum pump noun[ C ] uk /ˈvæk.juːm ˌpʌmp/ us /ˈvæk.juːm ˌpʌmp/ a piece of equipment for removing air or gas from a container, creating a vacuum inside真空泵 Machines - generators & pumps -engined alternator breeder reactor charger dock docking station dynamo electromotive jet engine nuclear reactor power station pump-action repressurize sail solar plant treadmill turbofan watermill waterwheel windmill Examples of vacuum pumpvacuum pump A dilated glass cylinder with a glass joint (500-ml) was used as a collection chamber in which airflow was generated using a vacuumpump. Gaining the use of a vacuumpump was difficult, and the renewal of the vacuum within the desiccators was not an easy task. One source of vibration is from an additional vacuumpump, attached to evacuate the camera, without mechanical de-coupling. This consists of a floor-standing unit containing a vacuumpump, disposable plastic vacuum canister, electric motor and computerised control unit. At the start of the procedure the operator joins the connector to a longer piece of tubing from the vacuumpump. The air pressure was adjusted in these bottles by a vacuumpump. Violence must be exerted if one is to reduce the vacuumpump to an animal to be dissected. Green asparagus (10 g) was rapidly crushed in a flask fitted to another flask immersed in liquid nitrogen and connected to a vacuumpump. A thermostat-controlled vacuumpump connected to the same perforated pipes as serving for leachate collection (as common in bioremediation pile design) draws air from inside the greenhouse into the pile. An experimental advantage of discharges in ammonia is that all discharge products are gaseous and can easily be removed by a vacuumpump leaving a clean discharge chamber. A specialized vacuumpump is attached to the bleeder valve, which is opened and fluid extracted with the pump until it runs clear of bubbles. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The material container is then placed into the vacuum chamber; a vacuumpump is connected and turned on. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Once this interval is reached, the vacuumpump is shut off and the vacuum chamber release valve is opened to equalize air pressure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Secondly was the vacuum back, the film (large-format single sheet film) was placed here and held in position by a vacuumpump. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An electrically-operated pump for this purpose would usually be called a vacuumpump. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of vacuum pump These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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