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A group is a defined linked collection of atoms or a single atom within a molecular entity. (IUPAC 1997) (more) Note that a "group" is somewhat more specific or detailed than "substituent" or "ligand". "Substituents" can be composed of a collection of groups.

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Settore/Dominio: Software
Categoria: Software di analisi
Company: CambridgeSoft
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Servizi bancari; Offerta pubblica iniziale

An underwriting that is done by the lead managers only, and not distributed to the syndicate participants or members of the selling group.

молекуларен субјект

Software; Software di analisi

A molecular entity is any constitutionally or isotopically distinct atom, molecule, radical, complex, conformer etc., identifiable as a separately distinguishable entity.

супституент

Software; Software di analisi

A substituent is an atom or group of bonded atoms that can be considered to have replaced a hydrogen atom (or two hydrogen atoms in the special case of bivalent groups) in a ...

микроскопски хемиски настан

Software; Software di analisi

A microscopic chemical event is a microscopic change involving molecular entities.

реакциски механизам

Software; Software di analisi

A reaction mechanism (or equivalently, mechanism) is a detailed description of the process leading from the reactants to the products of a reaction, including a characterization ...

реакциски редослед

Software; Software di analisi

A reaction sequence is a "suggested mechanism" that is based on incomplete experimental data. For many reactions, all mechanistic information is not available. It is not ...

композитна реакција

Software; Software di analisi

A composite reaction is a chemical reaction for which the expression for the rate of disappearance of a reactant involves rate constants of more than a single elementary reaction.

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Settore/Dominio: Eventi Categoria: Calamità naturali

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A disaster which occurred in the Chernobyl power plant in 1986, where one out of four nuclear reactors in the plant exploded, resulting in at least 5% ...