zero field

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• Zero field splitting — describes various interactions of the energy levels of an electron spin (S>1/2) even in the absence of an applied magnetic field. It is important in the electron spin resonance of biological molecules.The value of the ZFS parameter is usually… …   Wikipedia

• Zero field NMR — is the NMR spectrum analysis of certain substances in an environment carefully screened from magnetic fields. It is useful for studying nuclei with spins greater than 1/2, and for studying molecular dynamics… …   Wikipedia

• zero-field splitting — belaukis suskilimas statusas T sritis fizika atitikmenys: angl. zero field splitting vok. feldlose Aufspaltung, f rus. расщепление в отсутствие поля, n pranc. séparation de champs nuls, f …   Fizikos terminų žodynas

• Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

• Zero-energy building — BedZED zero energy housing in the UK A zero energy building, also known as a zero net energy (ZNE) building, Net Zero Energy Building (NZEB), or Net Zero Building, is a popular term to describe a building with zero net energy consumption and zero …   Wikipedia

• Zero-point energy — is the lowest possible energy that a quantum mechanical physical system may have; it is the energy of its ground state. All quantum mechanical systems undergo fluctuations even in their ground state and have an associated zero point energy, a… …   Wikipedia

• Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… …   Wikipedia

• Zero Effect — theatrical poster Directed by Jake Kasdan Produced by Li …   Wikipedia

• Field archery — involves shooting at targets of varying (and often unmarked) distance, often in woodland and rough terrain. One goal of field archery is to improve the techniques and abilities required for bowhunting in a more realistic outdoor setting. As with… …   Wikipedia

• Zero tolerance — policies are studied in criminology and are common in formal and informal policing systems around the world.Fact|date=December 2007 The policies also appear in informal situations where there may be sexual harassment or Internet misuse in… …   Wikipedia

• Zero crossing — is a commonly used term in electronics, mathematics, and image processing. In mathematical terms, zero crossing basically means the changing of sign (e.g. from positive to negative), that is represented with a crossing of the axis (zero value) in …   Wikipedia