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objects (en) > echipament > instrumente de măsurare > instrumente de măsurare a luminii > transmissometers (en)

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  • Transmissometers are optical instruments that measure the clarity of water by measuring the fraction of light energy lost from a collimated light beam as it passes along a known pathlength

    创建: 10/28/21

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http://aims.fao.org/aos/agrovoc/c_4f31150d

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