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Что (кто) такое double decomposition - определение

CHEMICAL REACTION INVOLVING EXCHANGE OF IONIC BONDS BETWEEN FOUR SPECIES

Double-replacement reaction; Double-displacement reaction; Double displacement reaction; Double Replacement Reactions; Double displacement reactions; Double displacement; Double Replacement Reaction; Double replacement; Double-displacement; Double-displacement reactions; Double-replacement; Double-replacement reactions; Salt metathesis; Double decomposition; Salt Metathesis reaction; Double replacement reaction

double decomposition

¦ noun Chemistry a reaction in which two compounds exchange ions.

Salt metathesis reaction

A salt metathesis reaction, sometimes called a double displacement reaction, is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations..

https://en.wikipedia.org/wiki/Salt_metathesis_reaction

Lossless join decomposition

DECOMPOSITION OF A DATABASE RELATION SUCH THAT A NATURAL JOIN OF THE RESULTING RELATIONS YIELDS BACK THE ORIGINAL RELATION

Lossless-join decomposition; Lossless-Join Decomposition

In database design, a lossless join decomposition is a decomposition of a relation R into relations R_1, R_2 such that a natural join of the two smaller relations yields back the original relation. This is central in removing redundancy safely from databases while preserving the original data.

https://en.wikipedia.org/wiki/Lossless_join_decomposition

Википедия

Salt metathesis reaction

A salt metathesis reaction, sometimes called a double displacement reaction, is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations. This reaction is represented by the general scheme:

{\ce {AB + CD -> AD + CB}}

The bond between the reacting species can be either ionic or covalent. Classically, these reactions result in the precipitation of one product.

In older literature, the term double decomposition is frequently encountered. The term double decomposition is more specifically used when at least one of the substances does not dissolve in the solvent, as the ligand or ion exchange takes place in the solid state of the reactant. For example:

AX(aq) + BY(s) → AY(aq) + BX(s).

https://en.wikipedia.org/wiki/Salt metathesis reaction