- group additivity
- Макаров: аддитивность групп
Универсальный англо-русский словарь. Академик.ру. 2011.
group additivity
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Heat of formation group additivity — methods in thermochemistry enable the calculation and prediction of heat of formation of organic compounds based on additivity. This method was pioneered by S. W. Benson [ Estimation of heats of formation of organic compounds by additivity… … Wikipedia
Sigma additivity — In mathematics, additivity and sigma additivity of a function defined on subsets of a given set are abstractions of the intuitive properties of size (length, area, volume) of a set. Contents 1 Additive (or finitely additive) set functions 2 σ… … Wikipedia
Value additivity principal — Prevails when the value of a whole group of assets exactly equals the sum of the values of the individual assets that make up the group of assets. Stated differently, the principle that the net present value of a set of independent projects is… … Financial and business terms
value additivity principal — When the value of a whole group of assets exactly equals the sum of the values of the individual assets that make up the group of assets. Or, the principle that the net present value of a set of independent projects is just the sum of the net… … Financial and business terms
Cis-trans isomerism — In chemistry, cis trans isomerism or geometric isomerism or configuration isomerism is a form of stereoisomerism describing the orientation of functional groups within a molecule. In general, such isomers contain double bonds, which cannot rotate … Wikipedia
Reaction mechanism — In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall chemical change occurs.[1] Although only the net chemical change is directly observable for most chemical reactions, experiments can often be … Wikipedia
Standard enthalpy change of formation — The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the… … Wikipedia
Aromatic ring current — This article is about aromatic chemistry. For the meteorological effect, see Ring current. A diagram of an aromatic ring current. B0 is the applied magnetic field, the red arrow indicating its direction. The orange ring shows the direction of the … Wikipedia
Cis–trans isomerism — Cis but 2 ene Trans but 2 ene In organic che … Wikipedia
Analysis of variance — In statistics, analysis of variance (ANOVA) is a collection of statistical models, and their associated procedures, in which the observed variance in a particular variable is partitioned into components attributable to different sources of… … Wikipedia
probability theory — Math., Statistics. the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Cf. probability (def. 4). [1830 40] * * * Branch of mathematics that deals with analysis of random events.… … Universalium
