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molybdenum borides

Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… … Wikipedia
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
Carbide — For the software development tool targeting the Symbian OS, see Carbide.c++. Calcium carbide. In chemistry, a carbide is a compound composed of carbon and a less electronegative element. Carbides can be generally classified by chemical bonding… … Wikipedia
Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… … Wikipedia
Leo Brewer — Infobox Scientist name = Leo Brewer |50px caption = Leo Brewer in 1948 birth date = June 13 1919 birth place = St. Louis,Missouri death date = February 22 2005 (aged 85) death place = Lafayette, California residence = Berkeley, California… … Wikipedia
Moissan , Ferdinand Frédéric Henri — (1852–1907) French chemist Moissan came from a poor background in Paris, France. He was the son of a railroad worker and was apprenticed to a pharmacist before studying chemistry under Edmond Frémy at the Muséum National d Histoire Naturelle,… … Scientists