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refractory boride

См. также в других словарях:

  • Boride — In chemistry a boride is a chemical compound between boron and a less electronegative element. This is a very large group of compounds that are generally high melting and are not ionic in nature. Some borides exhibit very useful physical… …   Wikipedia

  • titanium boride — noun A very hard ceramic material, TiB, used as a refractory and in high temperature electrical applications …   Wiktionary

  • Cerium hexaboride — Other names cerium boride, ceBIX, CEBIX Identifiers …   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

  • Electron beam physical vapor deposition — or EBPVD is a form of physical vapor deposition in which a target anode is bombarded with an electron beam given off by a charged tungsten filament under high vacuum. The electron beam causes atoms from the target to transform into the gaseous… …   Wikipedia

  • Lanthanum hexaboride — Chembox new ImageFile = ImageSize = IUPACName = OtherNames = lanthanum boride Section1 = Chembox Identifiers CASNo = 12008 21 8 PubChem = SMILES = Section2 = Chembox Properties Formula = LaB6 MolarMass = 203.776 g/mol Appearance = intense purple… …   Wikipedia

  • 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

  • Boron nitride — IUPAC name Boron nitride Identifiers …   Wikipedia

  • Boron — (pronEng|ˈbɔərɒn) is a chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent nonmetallic element which occurs abundantly in the evaporite ores borax and ulexite. Boron is never found as a free element on… …   Wikipedia

  • FLiNaK — is the name of the ternary eutectic alkaline metal fluoride salt mixture LiF NaF KF (46.5 11.5 42 mol %). It has a melting point of 454 °C and a boiling point of 1570 °C. It is used as electrolyte for the electroplating of refractory metals and… …   Wikipedia

  • Uranium carbide — IUPAC name Uranium carbide Identif …   Wikipedia

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