field gradient

См. также в других словарях:

• Pulsed field gradient — A Pulsed field gradient is a short, timed pulse with spatial dependent field intensity. Any gradient is identified by four characteristics: axis, strength, shape and duration. Pulsed field gradient (PFG) techniques are key to magnetic resonance… …   Wikipedia

• Electric field gradient — Mathematically, the electric field gradient (EFG) is the hessian matrix (the matrix of the second derivatives) of the electrical potential V: :V {ij} = frac{partial^2 V}{partial x i partial x j}It is an important structural property of a… …   Wikipedia

• electric field gradient — elektrinio lauko stiprio gradientas statusas T sritis radioelektronika atitikmenys: angl. electric field gradient vok. elektrischer Feldgradient, m; Gradient der elektrischen Feldstärke, m rus. градиент напряжённости электрического поля, m pranc …   Radioelektronikos terminų žodynas

• pulsed field gradient gel electrophoresis — pulsed field gradient gel electrophoresis. См. гель электрофорез в градиенте пульсирующего поля. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• Gradient enhanced NMR spectroscopy — Gradient enhanced NMR is a method for obtaining high resolution nuclear magnetic resonance spectra without the need for phase cycling . Gradient methodology is used extensively for two purposes, either rephasing (selection) or dephasing… …   Wikipedia

• magnetic field gradient — in magnetic resonance imaging, the change in the magnetic field in a given direction …   Medical dictionary

• Gradient der elektrischen Feldstärke — elektrinio lauko stiprio gradientas statusas T sritis radioelektronika atitikmenys: angl. electric field gradient vok. elektrischer Feldgradient, m; Gradient der elektrischen Feldstärke, m rus. градиент напряжённости электрического поля, m pranc …   Radioelektronikos terminų žodynas

• gradient du champ électrique — elektrinio lauko stiprio gradientas statusas T sritis radioelektronika atitikmenys: angl. electric field gradient vok. elektrischer Feldgradient, m; Gradient der elektrischen Feldstärke, m rus. градиент напряжённости электрического поля, m pranc …   Radioelektronikos terminų žodynas

• gradient coils — a group of radiofrequency coils oriented in different directions so that they generate a magnetic field gradient …   Medical dictionary

• Gradient (disambiguation) — Gradient may refer to:* Gradient, in vector calculus, a vector field representing the maximum rate of increase of the scalar field direction of the maximum change. * Slope or grade, referring to the inclination of a road or other geographic… …   Wikipedia

• Field-tube boiler — Field tube, sectioned A Field tube boiler (also known as a bayonet tube[1] ) is a form of water tube boiler where the water tubes are single ended. The tubes are closed at one end, and they contain a concentric inner tube. Flow is thus separated… …   Wikipedia