PMC:7547912 / 6435-7119 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T25","span":{"begin":25,"end":26},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T26","span":{"begin":134,"end":135},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"The air quality index is a piecewise linear function of the pollutant concentration. At the boundary between AQI categories, there is a discontinuous jump of one AQI unit. To convert from concentration to AQI, this equation is used:\\documentclass[12pt]{minimal} \t\t\t\t\\usepackage{amsmath} \t\t\t\t\\usepackage{wasysym} \t\t\t\t\\usepackage{amsfonts} \t\t\t\t\\usepackage{amssymb} \t\t\t\t\\usepackage{amsbsy} \t\t\t\t\\usepackage{mathrsfs} \t\t\t\t\\usepackage{upgreek} \t\t\t\t\\setlength{\\oddsidemargin}{-69pt} \t\t\t\t\\begin{document}$$I=\\frac{I_{\\mathrm{high}}-{I}_{\\mathrm{low}}}{C_{\\mathrm{high}}-{C}_{\\mathrm{low}}}\\ \\left(C-{C}_{\\mathrm{low}}\\right)+{I}_{\\mathrm{low}}$$\\end{document}I=Ihigh−IlowChigh−ClowC−Clow+Ilow"}

{"project":"LitCovid-sentences","denotations":[{"id":"T45","span":{"begin":0,"end":84},"obj":"Sentence"},{"id":"T46","span":{"begin":85,"end":171},"obj":"Sentence"},{"id":"T47","span":{"begin":172,"end":684},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The air quality index is a piecewise linear function of the pollutant concentration. At the boundary between AQI categories, there is a discontinuous jump of one AQI unit. To convert from concentration to AQI, this equation is used:\\documentclass[12pt]{minimal} \t\t\t\t\\usepackage{amsmath} \t\t\t\t\\usepackage{wasysym} \t\t\t\t\\usepackage{amsfonts} \t\t\t\t\\usepackage{amssymb} \t\t\t\t\\usepackage{amsbsy} \t\t\t\t\\usepackage{mathrsfs} \t\t\t\t\\usepackage{upgreek} \t\t\t\t\\setlength{\\oddsidemargin}{-69pt} \t\t\t\t\\begin{document}$$I=\\frac{I_{\\mathrm{high}}-{I}_{\\mathrm{low}}}{C_{\\mathrm{high}}-{C}_{\\mathrm{low}}}\\ \\left(C-{C}_{\\mathrm{low}}\\right)+{I}_{\\mathrm{low}}$$\\end{document}I=Ihigh−IlowChigh−ClowC−Clow+Ilow"}