Príklady vacuum pump

• A dilated glass cylinder with a glass joint (500-ml) was used as a collection chamber in which airflow was generated using a vacuum pump.

• Gaining the use of a vacuum pump was difficult, and the renewal of the vacuum within the desiccators was not an easy task.

• One source of vibration is from an additional vacuum pump, attached to evacuate the camera, without mechanical de-coupling.

• This consists of a floor-standing unit containing a vacuum pump, 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 vacuum pump.

• The air pressure was adjusted in these bottles by a vacuum pump.

• Violence must be exerted if one is to reduce the vacuum pump 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 vacuum pump.

• A thermostat-controlled vacuum pump 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 vacuum pump leaving a clean discharge chamber.

• A specialized vacuum pump is attached to the bleeder valve, which is opened and fluid extracted with the pump until it runs clear of bubbles.

• The material container is then placed into the vacuum chamber; a vacuum pump is connected and turned on.

• Once this interval is reached, the vacuum pump is shut off and the vacuum chamber release valve is opened to equalize air pressure.

• Secondly was the vacuum back, the film (large-format single sheet film) was placed here and held in position by a vacuum pump.

• An electrically-operated pump for this purpose would usually be called a vacuum pump.