accelerating anode potential

  • 1 particle accelerator β€” accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …

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  • 2 Ion thruster β€” 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.… …

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  • 3 Franck-Hertz experiment β€” The Franck Hertz experiment was a physics experiment that provided support for the Bohr model of the atom, a precursor to quantum mechanics. In 1914, the German physicists James Franck and Gustav Ludwig Hertz sought to experimentally probe the… …

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  • 4 Environmental scanning electron microscope β€” Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …

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  • 5 Neutron generator β€” Neutron generators are neutron source devices which contain compact linear accelerators and that produce neutrons by fusing isotopes of hydrogen together. The fusion reactions take place in these devices by accelerating either deuterium, tritium …

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  • 6 ESEM β€” stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …

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  • 7 electron tube β€” an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …

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  • 8 spectroscopy β€” spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …

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  • 9 microscope β€” /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …

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  • 10 Transmission electron microscopy β€” A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …

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  • 11 Hall effect thruster β€” In spacecraft propulsion, a Hall thruster is a type of ion thruster in which the propellant is accelerated by an electric field. Hall thrusters trap electrons in a magnetic field and then use the electrons to ionize propellant, efficiently… …

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  • 12 X-ray tube β€” An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …

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  • 13 Nanowire battery β€” A nanowire battery is a lithium ion battery invented by a team led by Dr. Yi Cui at Stanford University in 2007. The team s invention consists of a stainless steel anode covered in silicon nanowires, to replace the traditional graphite anode.… …

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  • 14 Electric current β€” Electromagnetism …

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  • 15 Organic light-emitting diode β€” Demonstration of a flexible OLED device A green emitting OLED device An …

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  • 16 mass spectrometry β€” or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …

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  • 17 Plasma (physics) β€” 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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  • 18 Electron beam physical vapor deposition β€” or EBPVD is a form of physical vapor deposition in which a target anode is bombarded with an electron beam given off by a charged tungsten filament under high vacuum. The electron beam causes atoms from the target to transform into the gaseous… …

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  • 19 Single-ended triode β€” In a single ended triode (SET) vacuum tube electronic amplifier the entire audio signal waveform is amplified by the power triode, in contrast to push pull amplifiers where two output tubes work together in phase opposition. Small signal audio… …

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  • 20 Caesium β€” xenon ← caesium β†’ barium Rb ↑ Cs ↓ Fr …

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