Karl Norris,US agricultural engineer. Norris developed near-infrared spectroscopy in 1963. Here,Norris is preparing to analyze fibre content of a grain sample,with the near-infrared equipment behind him. Photographed in May 1981 at the Beltsville Agricultural Research Center (BARC),Maryland,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Witt, Fred / US Department of Agriculture |
Bildgröße: | 3427 px × 5138 px |
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