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642240
642240
Счетчики невидимых частиц и излучений
Author: Александров А.В
Year: 1958
Number of pages: 100
Format: PDF
File size: 25 MB
Language: RU
Year: 1958
Number of pages: 100
Format: PDF
File size: 25 MB
Language: RU
Scientists have developed many different receivers of electromagnetic radiation, working on the principle of using their various properties. To receive thermal (infrared) rays, various thermal elements are used: junctions of two dissimilar metals, in which an electromotive force arises under the influence of heat; thermal and photosensitivity, in which electrical resistance changes under the influence of heat and visible light; photocells - electrovacuum devices in which electric current flows under the influence of light, and many others.
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