Oxide emissions
Nitrous oxide emissions from the aeration tank of a wastewater treatment plant with conventional activated sludge process.
... NITROUS OXIDE EMISSIONS FROM THE AERATION TANK OF A WASTEWATER TREATMENT PLANT WITH CONVENTIONAL ACTIVATED SLUDGE ...Nitrous oxide (N 2 O) emissions were measured monthly from January to June ...
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Biogenic nitrogen oxide emissions from soils ─ impact on NOx and ozone over West Africa during AMMA (African Monsoon Multidisciplinary Experiment): modelling study
... the emissions (1 ◦ /1 ◦ for YL95, and 20 km/20 km for ANN). The emissions in the ANN case are linked to environmental parameters, and specifically to surface moisture, as shown in ...stronger ...
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POSTHARVEST NITROUS OXIDE EMISSIONS FROM A SUBTROPICAL OXISOL AS INFLUENCED BY SUMMER CROP RESIDUES AND THEIR MANAGEMENT
... The authors are indebted to the Fundação de Amparo a Pesquisa do Estado do Rio Grande do Sul (FAPERGS), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), and the Ministério da Ciência e Tecnologia ...
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MITIGATION OF METHANE AND NITROUS OXIDE EMISSIONS FROM FLOOD-IRRIGATED RICE BY NO INCORPORATION OF WINTER CROP RESIDUES INTO THE SOIL
... application and transplanting of rice seedlings to the pots. The residue decomposition in this period, before the experiment, probably induced the great similarity of emissions between the two crop residues after ...
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Effect of biochar and liming on soil nitrous oxide emissions from a temperate maize cropping system
... O emissions following biochar amendment (Taghizadeh-Toosi et ...lower emissions with biochar ad- dition, suggesting that the variability in the field was too high to get significant ...increased ...
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Nitrous oxide emissions from an activated sludge wastewater treatment plant with prolonged aeration process - a preliminary study.
... Para estimativa das taxas de emissão de N 2 O das diversas unidades da ETE utilizaram-se 3 técnicas: 1) câmara estática, para determina- ção direta dos luxos de N 2 O na interface líqui[r] ...
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Nitrous oxide emissions from crop rotations including wheat, rapeseed and dry pea
... lower emissions over the pea crop, compared with the fertilized wheat or rapeseed crops, with an average ratio 1 : 4–1 : 6 respectively over the growing season for the three years, and a range of 1 : 3–1 : 12 ...
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Nitrous oxide emissions in agricultural soils: a review
... greater emissions in ...O emissions between CT and NT, in the Brazilian Savannah and in South of ...O emissions in NT areas with 12 and 22 years old, in Paraná State (Brazil), were similar and ...
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Nitrous oxide emissions 1999–2009 from a global atmospheric inversion
... One major motivation of this study is to determine whether or not N 2 O emissions vary inter-annually on a regional scale, driven, for example, by ENSO climate variation. It is, therefore, important to first ...
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Nitrous oxide emissions from soil of an African rain forest in Ghana
... Higher heterotrophic respiration rates can be expected to co- incide with peaks of fresh organic matter input (litterfall), which also represent a source of N for microbes. In rain forests, peaks of litterfall have been ...
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Nitrogen oxides emission from two beech forests subjected to different nitrogen loads
... N-oxide emissions, especially NO emissions from the high N-input site (SW) indicate that atmospheric deposition had a strong impact on losses of gaseous N from our forest ...
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Sources of nitrous oxide emitted from European forest soils
... Nitrous oxide emissions were not correlated to the gross mineralization rates, neither among all sites, nor within the two forest types (Fig. The N 2 O emissions correlated significantly[r] ...
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GAS EMISSION AND EFFICIENCY OF AN ENGINE-GENERATOR SET RUNNING ON BIOGAS
... and emissions of both nitrogen oxide and dioxide in an engine-generator set running on gasoline and operating with biogas at 60% methane, verified that the temperature increase leads to an elevation of ...
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Use of laboratory and remote sensing techniques to estimate vegetation patch scale emissions of nitric oxide from an arid Kalahari savanna
... nitric oxide emissions on a regional scale; since it can incorporate heterogeneity in both the spatial and temporal scale with a fine resolution of 1 km by 1 ...
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Process based inventory of isoprenoid emissions from European forests: model comparisons, current knowledge and uncertainties
... a process based terrestrial biogeochemical model, thus providing a bottom up ap- proach both to quantify the isoprene and monoterpenes emissions being released into the atmosphere under present day and potential ...
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Emissão de N2O do solo devido à aplicação de urina e o potencial de mitigação
... Nitrous oxide concentrations in the sampled air were measured using a Perkin Elmer Clarus 580 Gas Chromatograph and TurboMatrix 110 auto headspace sampler with an electron capture detector ...
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J. Braz. Chem. Soc. vol.28 número2
... To investigate the surface morphology and particle size of GO/ZnO composite, SEM images were taken and presented in Figure 3. Figure 3a shows the particles of ZnO have been dispersed on graphene oxide sheets. It ...
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J. Braz. Chem. Soc. vol.26 número11
... poly(oxyethylene) and hydrophobic poly(oxypropylene) blocks have been commercially available for several decades and a particular advantage of this family of copolymers is the so-called ‘stealth’ property of the ...
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Regional-scale transport of air pollutants: impacts of southern California emissions on Phoenix ground-level ozone concentrations
... black) and WRF-Chem simulations (bold-red; i.e., running WRF-Chem with appropriate emissions and hereafter referred to as CTRL) for the selected events. The time peri- ods (labeled in Fig. 2) cover 4 days, ...
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A fair global carbon budget for least developed countries (LDCS)
... In addition, the LDCs should not be seduced by the hegemonic discourse of the centre and allow their part of the global carbon budget to be compromised through the export of emissions from the centre to the ...
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