working vacuum

См. также в других словарях:

• Vacuum fryer — A Vacuum fryer is a deep frying device originally developed for potato chip production.Vacuum fryers are fit to process low quality potatoes that contain higher sugar levels than normal, as they frequently have to be processed in spring and early …   Wikipedia

• Vacuum sewer — Vacuum sewers were first installed in Europe in 1882 but until the last 30 years it had been relegated to a niche market. The first who has applied the negative pressure drainage (so called vacuum sewerage) was the Dutch engineer Liernur in the… …   Wikipedia

• Vacuum flask cooking — was introduced to the Asian market in the mid 1990s. The vacuum cooker (燜燒鍋) is a stainless steel vacuum flask. The flasks come in various sizes ranging from 20 40 cm (8 16 in) in diameter and 25 cm (10 in) tall. A removable pot, with handle and… …   Wikipedia

• vacuum — [vak′yo͞om, vak′yo͞o əm] n. pl. vacuums or vacua [vak′yo͞o ə] [L, neut. sing. of vacuus, empty] 1. a space with nothing at all in it; completely empty space 2. a) an enclosed space, as that inside a vacuum tube, out of which most of the air or… …   English World dictionary

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …   Wikipedia

• vacuum technology — Introduction       all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …   Universalium

• Vacuum expectation value — Quantum field theory (Feynman diagram) …   Wikipedia

• Vacuum gauge — Gauge Gauge, n. [Written also gage.] 1. A measure; a standard of measure; an instrument to determine dimensions, distance, or capacity; a standard. [1913 Webster] This plate must be a gauge to file your worm and groove to equal breadth by. Moxon …   The Collaborative International Dictionary of English

• Manifold vacuum — Not to be confused with Vacuum manifold. Manifold vacuum, or engine vacuum in an internal combustion engine is the difference in air pressure between the engine s intake manifold and Earth s atmosphere. Manifold vacuum is an effect of a piston s… …   Wikipedia

• List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …   Wikipedia