- indication magnet
- контрольный электромагнит
Англо-русский железнодорожный словарь. 2013.
Англо-русский железнодорожный словарь. 2013.
Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… … Wikipedia
physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… … Universalium
Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… … Wikipedia
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
Magnaflux — Magnetic Particle Inspection , developed originally by Alfred Victor (A.V.) de Forest and Foster Baird (Bic) Doane, and developed further with the assistance of Carl E. Betz, is a method of testing ferrous metals for surface and subsurface… … Wikipedia
Peter of Maricourt — (Peter Peregrinus of Maricourt; [Edward Grant, “Peter Peregrinus,” Dictionary of Scientific Biography (New York: Scribners, 1975), 10: 532. Ron B. Thomson, “Peter Peregrinus,” Medieval Science, Technology and Medicine. An Encyclopedia , ed.… … Wikipedia
Woofer — This article is about a loudspeaker driver. For individuals trained in remote first aid, see Wilderness First Responder. Woofer is the term commonly used for a loudspeaker driver designed to produce low frequency sounds, typically from around 40… … Wikipedia
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
Thiele/Small — commonly refers to a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver. These parameters are published in specification sheets by driver manufacturers so that designers have a guide in … Wikipedia
Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… … Wikipedia
Doubly fed electric machine — Doubly fed electric machines are electric motors or electric generators that have windings on both stationary and rotating parts, where both windings transfer significant power between shaft and electrical system. Doubly fed machines are useful… … Wikipedia