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المؤلفون: James L. Leitch, Lorna A. Wells
المصدر: Journal of the Franklin Institute. 241:73-77
مصطلحات موضوعية: Materials science, Chromatography, Filter paper, Computer Networks and Communications, Applied Mathematics, chemistry.chemical_element, Nitrogen, law.invention, Soluble nitrogen, chemistry.chemical_compound, Ammonia, chemistry, Control and Systems Engineering, Filter (video), law, Signal Processing, Ammonium, Filtration