Results 171 to 180 of about 3,175 (213)
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The seasonal cycles of land biosphere N2O fluxes and atmospheric N2O
2023Nitrous oxide (N2O) is a greenhouse gas and ozone-depleting agent that is predominately emitted from the land biosphere, linking to the yet only poorly understood carbon-nitrogen cycle. The seasonal cycle of the tropospheric N2O mixing ratio (aN2O), measured at globally distributed air sampling sites, offers an observational model constraint.
Qing Sun +2 more
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Anesthesia & Analgesia, 1992
Induction of, maintenance of, and recovery from sevoflurane anesthesia were compared with propofol and isoflurane anesthesia when administered with nitrous oxide to patients undergoing gynecologic surgery. Seventy-five healthy (ASA I or II), consenting patients were randomly assigned to receive either (I) propofol for induction of anesthesia and ...
I, Smith, Y, Ding, P F, White
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Induction of, maintenance of, and recovery from sevoflurane anesthesia were compared with propofol and isoflurane anesthesia when administered with nitrous oxide to patients undergoing gynecologic surgery. Seventy-five healthy (ASA I or II), consenting patients were randomly assigned to receive either (I) propofol for induction of anesthesia and ...
I, Smith, Y, Ding, P F, White
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Science of The Total Environment, 2018
As aquatic-terrestrial ecotones, riparian zones are hotspots not only for denitrification but also for nitrous oxide (N2O) emission. Due to the potential role of nosZ II in N2O mitigation, emerging studies in terrestrial ecosystems have taken this newly reported N2O-reducer into account.
Siyan Zhao +4 more
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As aquatic-terrestrial ecotones, riparian zones are hotspots not only for denitrification but also for nitrous oxide (N2O) emission. Due to the potential role of nosZ II in N2O mitigation, emerging studies in terrestrial ecosystems have taken this newly reported N2O-reducer into account.
Siyan Zhao +4 more
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SWAT-N2O coupler: An integration tool for soil N2O emission modeling
Environmental Modelling & Software, 2019Abstract Nitrous oxide (N2O) is one of the types of diffuse gaseous nitrogen lost mainly from agricultural soil, and it is a potent greenhouse gas contributing to climate warming. Both empirically based and process-based (e.g., Soil and Water Assessment Tool, SWAT) modeling methods for simulating N2O emissions have been used, and each has its own ...
Xiang Gao +6 more
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Photoinitiated H- and D-atom reactions with N2O in the gas phase and in N2O–HI and N2O–DI complexes
The Journal of Chemical Physics, 1992Reactions of H atoms with N2O have two product channels yielding NH+NO and OH+N2. Both channels were observed via NH A 3Π←X 3∑ and OH A 2∑←X 2Π laser-induced fluorescence spectra. Photoinitiated reactions with N2O–HI complexes yield a much lower [NH]/[OH] ratio than under the corresponding bulk conditions at the same photolysis wavelength.
E. Böhmer +3 more
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Zeitschrift für Physik D Atoms, Molecules and Clusters, 1994
Semi-empirical and ab initio calculations are reported which provide a possible explanation for reported experimental results on 2-photon ionization of NO containing a few percent of N2O, which found (NO)3(N2O)n+or−clusters to be significantly more abundant than other (NO)m(N2O)n products.
Walter H. Jones, I. G. Csizmadia
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Semi-empirical and ab initio calculations are reported which provide a possible explanation for reported experimental results on 2-photon ionization of NO containing a few percent of N2O, which found (NO)3(N2O)n+or−clusters to be significantly more abundant than other (NO)m(N2O)n products.
Walter H. Jones, I. G. Csizmadia
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1990
Nitrous oxide or laughing gas (N2O) is produced both naturally and artificially. This greenhouse gas is produced and consumed by biological processes in soil and water and is removed from the atmosphere much more slowly than methane. The yearly growth in the N2O emission trend varied from 0.1% at the beginning of this century to 1.3% in the last 10 ...
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Nitrous oxide or laughing gas (N2O) is produced both naturally and artificially. This greenhouse gas is produced and consumed by biological processes in soil and water and is removed from the atmosphere much more slowly than methane. The yearly growth in the N2O emission trend varied from 0.1% at the beginning of this century to 1.3% in the last 10 ...
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Journal of Environmental Management
Straw incorporation, a common agricultural strategy designed to enhance soil organic carbon (SOC), often leads to increased nitrous oxide (N2O) emission, potentially offsetting benefits of SOC sequestration. However, the mechanism and mitigation options for the enhanced N2O emission following straw incorporation remain unclear.
Chenglin Li +7 more
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Straw incorporation, a common agricultural strategy designed to enhance soil organic carbon (SOC), often leads to increased nitrous oxide (N2O) emission, potentially offsetting benefits of SOC sequestration. However, the mechanism and mitigation options for the enhanced N2O emission following straw incorporation remain unclear.
Chenglin Li +7 more
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Mitigation of N2O emissions in agroecosystems: the role of N2O-reducers
2016Mitigation of N2O emissions in agroecosystems: the role of N2O-reducers. 16.
Domeignoz Horta, Luiz +6 more
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COMPARISON OF SEVOFLURANE-N2O AND PROPOFOL-ISOFLURANE-N2O
Anesthesiology, 1991I. Smith, Y. Ding, P. F. White
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