- covalent carbides
- • ковалентен карбид
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
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
nitride — /nuy truyd, trid/, n. Chem. a compound, containing two elements only, of which the more electronegative one is nitrogen. [1840 50; NITR + IDE] * * * ▪ chemical compound Introduction any of a class of chemical compounds in which nitrogen is… … Universalium
Compounds of carbon — Scientists once thought that organic compounds are or could only be created by living organisms. Over time, human have learned how to synthesize organic compounds. There is an immense number of distinct compounds that contain carbon atoms. Some… … Wikipedia
Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… … Wikipedia
organometallic compound — ▪ chemical compound Introduction any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… … Universalium
Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… … Wikipedia
Corrosion — v · d · e Materials failure modes Buckling · … Wikipedia
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
Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta … Wikipedia
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia