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Qu'est-ce (qui) est data coupling - définition

Spin spin coupling; Indirect dipole dipole coupling; Spin coupling; NMR coupling; Reduced coupling constant; Scalar coupling

Coupling

MECHANICAL CONNECTION BETWEEN TWO OBJECTS

Gear coupling; Oldham coupler; Oldham coupling; Oldham joint; Elastic coupling; Double-slider coupling; Slider coupling; Muff coupling; Beam coupling; Couplings; Shaft coupling; Tapered shaft lock; Power Lock; Keyless shaft locking device; Flexible coupling; Diaphragm coupling

·p.pr. & ·vb.n. of Couple.

II. Coupling ·noun The act of bringing or coming together; connection; sexual union.

III. Coupling ·noun A device or contrivance which serves to couple or connect adjacent parts or objects; as, a belt coupling, which connects the ends of a belt; a car coupling, which connects the cars in a train; a shaft coupling, which connects the ends of shafts.

Coupling

MECHANICAL CONNECTION BETWEEN TWO OBJECTS

Gear coupling; Oldham coupler; Oldham coupling; Oldham joint; Elastic coupling; Double-slider coupling; Slider coupling; Muff coupling; Beam coupling; Couplings; Shaft coupling; Tapered shaft lock; Power Lock; Keyless shaft locking device; Flexible coupling; Diaphragm coupling

The joining of cells of a galvanic battery, of dynamos or of other devices, so as to produce different effects as desired. 157 STANDARD ELECTRICAL DICTIONARY

coupling

MECHANICAL CONNECTION BETWEEN TWO OBJECTS

Gear coupling; Oldham coupler; Oldham coupling; Oldham joint; Elastic coupling; Double-slider coupling; Slider coupling; Muff coupling; Beam coupling; Couplings; Shaft coupling; Tapered shaft lock; Power Lock; Keyless shaft locking device; Flexible coupling; Diaphragm coupling

<programming, hardware> The degree to which components depend on one another. There are two types of coupling, "tight" and "loose". Loose coupling is desirable for good {software engineering} but tight coupling may be necessary for maximum performance. Coupling is increased when the data exchanged between components becomes larger or more complex. (1996-08-01)

Wikipédia

J-coupling

In nuclear chemistry and nuclear physics, J-couplings (also called spin-spin coupling or indirect dipole–dipole coupling) are mediated through chemical bonds connecting two spins. It is an indirect interaction between two nuclear spins that arises from hyperfine interactions between the nuclei and local electrons. In NMR spectroscopy, J-coupling contains information about relative bond distances and angles. Most importantly, J-coupling provides information on the connectivity of chemical bonds. It is responsible for the often complex splitting of resonance lines in the NMR spectra of fairly simple molecules.

J-coupling is a frequency difference that is not affected by the strength of the magnetic field, so is always stated in Hz.

https://en.wikipedia.org/wiki/J-coupling