| 11. | The first thermionic ( TI ) reactors were discussed by scientists at the Krasnaya Zvezda.
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| 12. | In his doctoral thesis he described the noble gas filled thermionic converter developed by him.
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| 13. | The Tommy Flowers-built thermionic valves ( vacuum tubes ) and binary representation of numbers.
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| 14. | Air-traffic control equipment under repair contained TO-3 transistors instead of thermionic valves.
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| 15. | But the effect was virtually ignored until Gerald Mahan published a paper on thermionic refrigeration in 1994.
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| 16. | In 1904, John Ambrose Fleming invented the thermionic diode, the first kind of vacuum tube.
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| 17. | In 1916 Ediswan set up the UK's first radio thermionic valve factory at Ponders End.
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| 18. | The incandescent regions contribute free electrons via thermionic emission, and ( easily ionized ) metal vapor.
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| 19. | Current in the arc is sustained by thermionic emission and field emission of electrons at the cathode.
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| 20. | The properties of the interelectrode plasma are determined by the mode of operation of the thermionic converter.
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