- vinylidene group
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Chem.the bivalent group C2H2, derived from ethylene.Also, vinylidene radical.[VINYL + -ID3 + -ENE]
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Universalium. 2010.
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Universalium. 2010.
vinylidene group — Chem. the bivalent group C2H2, derived from ethylene. Also, vinylidene radical. [VINYL + ID3 + ENE] … Useful english dictionary
vinylidene resin — n. any synthetic resin in which the basic structure consists of the H2C:CR2 group, where R usually is a halogen … English World dictionary
vinylidene resin — noun or vinylidene plastic : any of a group of tough thermoplastic resins or plastics formed by polymerization or copolymerization of a vinylidene compound (as vinylidene chloride with or without vinyl chloride or acrylonitrile) and used… … Useful english dictionary
vinylidene — vi•nyl•i•dene [[t]vaɪˈnɪl ɪˌdin[/t]] n. chem. the bivalent group C2H2, derived from ethylene • Etymology: 1895–1900 … From formal English to slang
List of IARC Group 3 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 3: The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly… … Wikipedia
Bipolaron — Bipolarons in physics = In physics, a bipolaron is a bound pair of two polarons. An electron in a material may cause a distortion in the underlying lattice. The combination of electron and distortion (which may also be understood as a cloud of… … Wikipedia
industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… … Universalium
Ab initio quantum chemistry methods — are computational chemistry methods based on quantum chemistry.[1] The term ab initio was first used in quantum chemistry by Robert Parr and coworkers, including David Craig in a semiempirical study on the excited states of benzene.[2][3] The… … Wikipedia
organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… … Universalium
Chimie Numérique — La chimie numérique (désignée parfois aussi par l anglicisme chimie computationnelle) est une branche de la chimie et/ou de la physico chimie qui utilise les lois de la chimie théorique exploitées dans des programmes informatiques spécifiques… … Wikipédia en Français