pulsed tube

  • 81Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …

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  • 82Dielectric barrier discharge — (DBD) is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Originally called silent (inaudible) discharge and also known as ozone production discharge[1] or partial discharge,[2] it was first reported… …

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  • 83Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …

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  • 84Pseudospark switch — The pseudospark switch, also known as a cold cathode thyratron due to the similarities with regular thyratrons, is a gas filled tube capable of high speed switching. Advantages of pseudospark switches include the ability to carry reverse currents …

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  • 85Electrotherapy (cosmetic) — Cosmetic Electrotherapy micro current machine together with a selection of electrodes, made by Silver Fox (China) Cosmetic electrotherapy is a range of beauty treatments that uses low electric currents passed through the skin to produce several… …

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  • 86Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …

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  • 87Stellarator — A stellarator is a device used to confine a hot plasma with magnetic fields in order to sustain a controlled nuclear fusion reaction. The magnetic field necessary to confine the plasma is generated completely by external coils. It was invented by …

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  • 88Night vision — For other uses, see Night vision (disambiguation). Two American soldiers pictured during the 2003 Iraq War seen through an image intensifier Night vision is the ability to see in low light conditions. Whether by biological or technological means …

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  • 89Space charge — is a concept in which excess electric charge is treated as a continuum of charge distributed over a region of space (either a volume or an area) rather than distinct point like charges. This model typically applies when charge carriers have been… …

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  • 90List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …

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