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单词 plasma arc
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plasma arc
plasma arc n. a very hot plasma jet used in plasma torches, produced by passing a noble gas through a nozzle that is one electrode of an electric arc.
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society > occupation and work > equipment > cutting tool > other types of cutting equipment > [noun] > gas or plasma cutters
oxygen lance1925
plasma arc1958
plasma torch1959
thermic lance1970
1958 Iron Age 4 Dec. 136/1 Thanks to the development of the new plasma arc torch, a brand new method for fabricating shapes and applying ultra-high-temperature coatings is now a reality.
1973 Materials & Technol. VI. i. 60 A number of unconventional methods of cutting wood have been examined, largely with the object of reducing waste. These include the use of the plasma arc, which produces very high temperatures with a nozzle of very small diameter.
1990 New Scientist 30 June 44/1 Scientists in Melbourne have developed a compact plasma arc furnace which can destroy long-lived toxic wastes efficiently.
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