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field ion source

См. также в других словарях:

  • Ion source — An ion source is an electro magnetic device that is used to create charged particles. These are used primarily within mass spectrometers or particle accelerators.Mass spectrometry In mass spectrometry, an ion source is a piece of equipment used… …   Wikipedia

  • Ion beam deposition — (IBD) is a process of applying materials to a target through the application of an ion beam.In an ion source source materials gases or evaporated solids are ionized using electron ionization or by application of high electric fields (Penning ion… …   Wikipedia

  • Ion cyclotron resonance — is a phenomenon related to the movement of ions in a magnetic field. It is used for accelerating ions in a cyclotron, and for measuring the masses of an ionized analyte in mass spectrometry, particularly with Fourier transform ion cyclotron… …   Wikipedia

  • 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

  • Field desorption — [ mass spectrometer at right] Field desorption (FD)/field ionization (FI) refers to an ion source for mass spectrometry first reported by Beckey in 1969. [Beckey H.D. Field ionization mass spectrometry. Research/Development, 1969 , 20(11), 26] In …   Wikipedia

  • Ion — Cation and Anion redirect here. For the particle physics/quantum computing concept, see Anyon. For other uses, see Ion (disambiguation). Hydrogen atom (center) contains a single proton and a single electron. Removal of the electron gives a cation …   Wikipedia

  • Field Emission Electric Propulsion — (FEEP) is an advanced electrostatic propulsion concept, a form of ion thruster, that uses liquid metal (usually either caesium or indium) as a propellant. A FEEP device consists of an emitter and an accelerator electrode. A potential difference… …   Wikipedia

  • Field-effect transistor — FET redirects here. For other uses, see FET (disambiguation). High power N channel field effect transistor The field effect transistor (FET) is a transistor that relies on an electric field to control the shape and hence the conductivity of a… …   Wikipedia

  • Ion thruster — An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. Ion thrusters are characterized by how they accelerate the ions, using either electrostatic or electromagnetic force.… …   Wikipedia

  • ION Geophysical — Infobox Company company name = ION Geophysical Corporation company company type = Public (Nasdaq|IO, NYSE|IO) foundation = 1968 location = Houston, Texas key people = Robert P. Peebler (CEO) area served = Global industry = Petroleum products =… …   Wikipedia

  • Ion mobility spectrometer — An ion mobility spectrometer (IMS) is a spectrometer capable of detecting and identifying very low concentrations of chemicals based upon the differential migration of gas phase ions through a homogeneous electric field. IMS devices come in a… …   Wikipedia

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