- control through photo-electric cells
- Photo-electric control (system), control through photo-electric cellsCommando m fotoelettrico
Dictionary of packaging machinery and equipment. 2008.
Dictionary of packaging machinery and equipment. 2008.
Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… … Wikipedia
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Archibald Low — Professor Archibald Montgomery Low (1888 September 1956) was an English Astronautics engineer, research physicist and inventor, and author of more than 40 books.Low has been called the father of radio guidance systems due to his pioneering work… … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
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Evolution of the eye — The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of taxa. The development of the eye is considered by some experts to be monophyletic; that is, all modern… … Wikipedia
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Weather testing of polymers — is the controlled polymer degradation and polymer coating degradation under lab or natural conditions.Just like errosion of rocks, natural phenomena can cause degratation in polymer systems. The elements of most concern to polymers are… … Wikipedia