- covalent carbide
- • ковалентен карбид
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Covalent superconductor — Covalent semiconductors are such solids as diamond, silicon, germanium, silicon carbide and silicon germanium where atoms are linked by covalent bonds. Most of those materials, at least in their bulk form, are well studied and rarely hit the… … 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
carbide — /kahr buyd, bid/, n. 1. a compound of carbon with a more electropositive element or group. 2. See calcium carbide. 3. a very hard mixture of sintered carbides of various heavy metals, esp. tungsten carbide, used for cutting edges and dies. [1860… … Universalium
Materials science — Simulation of the outside of the Space Shuttle as it heats up to over 1,500 °C (2,730 °F) during re entry into the Earth s atmosphere Materials science is an interdisciplinary field applying the properties of matter to various areas of… … Wikipedia
Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge … Wikipedia
Boron nitride — IUPAC name Boron nitride Identifiers … Wikipedia
Moissanite — General Category Mineral species Chemical formula SiC … Wikipedia
Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… … Universalium
Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… … Wikipedia