- selenium steel
- сталь с добавкой селена
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
selenium steel
Смотреть что такое "selenium steel" в других словарях:
Selenium — (pronEng|səˈliniəm) is a chemical element with the atomic number 34, represented by the chemical symbol Se, an atomic mass of 78.96. It is a nonmetal, chemically related to sulfur and tellurium, and rarely occurs in its elemental state in nature … Wikipedia
Selenium rectifier — Selenium rectifiers were invented in 1933. They were used to replace vacuum tube rectifiers and in high current battery charger applications where previously only dc generators could be be used. Vacuum tubes could not put out the tens of Amperes… … Wikipedia
selenium — /si lee nee euhm/, n. Chem. a nonmetallic element chemically resembling sulfur and tellurium, occurring in several allotropic forms, as crystalline and amorphous, and having an electrical resistance that varies under the influence of light.… … Universalium
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
stainless steel — alloy steel containing 12 percent or more chromium, so as to be resistant to rust and attack from various chemicals. Also called stainless. [1915 20] * * * Any of a family of alloy steels usually containing 10–30% chromium. The presence of… … Universalium
Bluing (steel) — Bluing is a passivation process in which steel is partially protected against rust, and is named after the blue black appearance of the resulting protective finish. True gun bluing is an electrochemical conversion coating resulting from an… … Wikipedia
freecutting steel — steels which have had additions made to improve machinability. The most common additives are sulphur and lead, other elements used include tellurium, selenium and bismuth … Mechanics glossary
Metal rectifier — Selenium rectifier A metal rectifier is an early type of semiconductor rectifier in which the semiconductor is copper oxide or selenium. They were used in power applications to convert alternating current to direct current in devices such as… … Wikipedia
Tellurium — (pronEng|tɪˈlʊəriəm/, /tɛl ) is a chemical element that has the symbol Te and atomic number 52. A brittle silver white metalloid which looks like tin, tellurium is chemically related to selenium and sulfur. Tellurium is primarily used in alloys… … Wikipedia
Materials science in science fiction — Material science in science fiction is the study of how materials science is portrayed in works of science fiction. The accuracy of the materials science portrayed spans a wide range – sometimes it is an extrapolation of existing technology,… … Wikipedia
printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… … Universalium
