Results 261 to 270 of about 2,299,853 (287)
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Journal of Agricultural and Food Chemistry, 1970
Percy P. St. Amant, Louis A. Beck
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Percy P. St. Amant, Louis A. Beck
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Removing nitrogen from waste water
Environmental Science & Technology, 1973openaire +2 more sources
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1976
openaire +1 more source
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Methods of Removing Fluorides from Water
American Journal of Public Health and the Nations Health, 1947openaire +3 more sources