N-nitiroso compounds ⚫ N-亚硝基化合物的前体物硝酸盐、亚硝酸盐 和胺类，广泛地存在于人类的生活环境之中，它 们可以经过化学或者生物学的途径合成多种多样 的N-亚硝基化合物。 ⚫ Nitrates, nitrites and amines, the precursors of N-nitroso compounds, exist widely in the environment which human live in.They can form various of N-nitroso compounds by chemical or biological methods
N-nitiroso compounds ⚫ N-亚硝基化合物的前体物硝酸盐、亚硝酸盐 和胺类，广泛地存在于人类的生活环境之中，它 们可以经过化学或者生物学的途径合成多种多样 的N-亚硝基化合物。 ⚫ Nitrates, nitrites and amines, the precursors of N-nitroso compounds, exist widely in the environment which human live in.They can form various of N-nitroso compounds by chemical or biological methods
PROTEIN NH,NO,NO.NH3.N.O,NO,NO2 (-NHz) 天 INDUSTRIAL BIOLOGICAL ATMOSPHERIC FIXATION 1 ATMOSPHERIC NITROGEN (NH.] (N2N.O) DENITRIFICATION ◆ (NH+) NITRITE NITRATE (NO) (NO) NITRIFICATION REDUCTIONS ■。0 XIDATIC0S ■■■■■NO VALENCE CHANGE Fig.1 The Nitrogen Cycle From:Workshop on Global Ecology (1971)
Nitrate/Nitrite Circulation Oral Saliva Endothelium Cavily Glands Macrophages EDRF Stomach Blaod Slomach Glands Circulation Kidney Intestine Bladder
Nitrate Data Used in Fertilizer Application by Acreage/Hydrologic Subarea Total Acres Data Monitored Total Acres Data Applied 35 Soil Sample Data Water Sample Data 3025 Tissue Sample Data 201510 5 0 39Pa38巴a 3出巴 P=Pressure UV=Upper Valley ES=East Side FB=Forebay
oxidation by werobic Ammonia Nifrosomonas Nitrite bactena oxidation by aerobic The Nitrobacter bacterig Fish excretia Nitrogen food waste Cycle Nitrate Algae decay xidation Fish by angerobic Plants and consume bactera some Algae Algae take up Nitrates Nitrogen Gas released