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1 присоединять
. включать•When ferrous iron takes on oxygen, it turns a ferric red.
•Ammonium chloride can add (on) 3 to 6 molecules of ammonia to form complex salts.
•These materials have no tendency to gain protons.
•Thin conductors can be joined to members of similar thickness...
•The isoalloxazine ring of FAD picks up a hydrogen ion from the solvent.
•An impurity atom which can accept (or take up) one or more electrons...
•The sulphur hexafluoride molecule readily acquires (or adds on) free electrons, forming a heavy negative ion.
Русско-английский научно-технический словарь переводчика > присоединять
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2 отделены друг от друга
•The conductors are separated by thin mica sheets.
Русско-английский научно-технический словарь переводчика > отделены друг от друга
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3 практические соображения
Практические соображенияWhile a continuous thin shell of D-shaped conductors could lead to a minimum of required structure, practical considerations of design and construction must now be taken into account.More computer analysis could be performed for a wider range of screw geometries, but practicalities rule this out.Русско-английский научно-технический словарь переводчика > практические соображения
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4 тонкостенная металлическая труба для электропроводки
тонкостенная металлическая труба для электропроводки
-EN
electrical metallic tubing
A thin-walled metal raceway having a circular cross section; used to pull in or withdraw electric cables or wires after the tubing is installed in place; uses connectors and couplings other than the threaded type.
[ http://www.answers.com/topic/electrical-metallic-tubing-1]
intermediate metal conduit
IMC
-Intermediate metal conduit, or IMC for short, is a rigid steel electrical conduit that is lighter in weight than another rigid conduit. It was designed specifically to protect insulated electrical conductors and cables. It does the work of a similar conduit, galvanized rigid conduit (GRC), but with much less weight and thickness size. By utilizing IMC in areas allowed, you can all but eliminate the need for a heavier wall conduit.
IMC has other advantages over GRC. It has a larger interior diameter than Galvanized Rigid Conduit and the smoother interior of the pipe allows for easier wire pulling through the conduit.
IMC was originally introduced by Allied Tube & Conduit Corporation. It is manufactured in accordance with Underwriters’ Laboratories safety standard 1242 and ANSI C80.6. Believe it or not, Allied claims that IMC is actually more rigid than GRC in applications such as service masts and other installations. It has been installed in industrial and commercial buildings. In fact, the National Electrical Code has a specific article about IMC, article 342.
IMC conduit is coated in a hot galvanized coating on the exterior and a special corrosive-resistant coating on the inside to extend the conduit’s lifespan for reliability. Common conduit sizes range from ½” to 4”.
[ http://electrical.about.com/od/metalpvcconduit/a/IMCconduit.htm]Тематики
- электропроводка, электромонтаж
EN
Русско-английский словарь нормативно-технической терминологии > тонкостенная металлическая труба для электропроводки
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