bond scission

bond scission
Полимеры: разрыв связей

Универсальный англо-русский словарь. . 2011.

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  • Bond cleavage — Bond cleavage, or scission, is the splitting of chemical bonds. If the two electrons in a cleaved covalent bond are divided between the products, the process is known as homolytic fission or homolysis. Alternatively, the case where both electrons …   Wikipedia

  • Scission sino-soviétique — Rupture sino soviétique La rupture sino soviétique est une période de dégradation puis de fortes tensions entre l’Union soviétique à la République populaire de Chine de la fin des années 1950 aux années 1980, et dont le paroxysme est marqué par… …   Wikipédia en Français

  • Bond-dissociation energy — In chemistry, bond dissociation energy (BDE) or D0, is one measure of the bond strength in a chemical bond. It is defined as the standard enthalpy change when a bond is cleaved by homolysis,[1] with reactants and products of the homolysis… …   Wikipedia

  • scission — [ sɪʃ(ə)n] noun 1》 a division or split; a schism. 2》 chiefly Biochemistry breakage of a chemical bond. Origin ME: from OFr., or from late L. scissio(n ), from scindere cut, cleave …   English new terms dictionary

  • Disulfide bond — In chemistry, a disulfide bond (Br.E. disulphide bond) is a covalent bond, usually derived by the coupling of two thiol groups. The linkage is also called an SS bond or disulfide bridge. The overall connectivity is therefore R S S R. The… …   Wikipedia

  • Beta scission — is the initial step in the chemistry of thermal cracking of hydrocarbons and the formation of free radicals [JerryMarch] . They are formed upon splitting the carbon carbon bond. Free radicals are extremely reactive and short lived. When a free… …   Wikipedia

  • Pyridine — Pyridine …   Wikipedia

  • Fulvalene — It is also known as bicyclopentadienylidene.Fulvalene consists of two 5 membered rings, each with two double bonds, joined by yet a fifth double bond. It has D2h symmetry. It was long sought until 1958 when it was synthesized at Yale University… …   Wikipedia

  • Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum …   Wikipedia

  • Chemical vapor deposition of ruthenium — is a method to deposit thin layers of ruthenium on substrate by Chemical vapor deposition (CVD). A unique challenge arises in trying to grow impurity free films of a catalyst in Chemical vapor deposition (CVD). Ruthenium metal activates C H and C …   Wikipedia

  • Maoisme — Maoïsme Affiche chinoise avec Marx, Engels, Lénine, Staline et Mao ; légende : « Vive le marxisme léninisme et le maoïsme » Le maoïsme (en chinois : 毛泽东思想, pinyin : Máo Zédōng sīxiǎng, « pensée Mao… …   Wikipédia en Français


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