Nitrogen dioxide
Study on the use of oxidant scrubbers for elimination of interferences due to nitrogen dioxide in analysis of atmospheric dimethylsulfide
... oxidant scrubbers in the analysis of reduced sulfides. The present work describes the development of oxi- dant scrubbers for organic sulfide analysis in air. The oxi- dant scrubbers were made out of solid supports coated ...
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A low-cost passive sampler for monitoring nitrogen dioxide in air.
... MONITORING NITROGEN DIOXIDE IN ...operate. Nitrogen dioxide forms a derivative after reaction with a filter coated with triethanolamine and ...The nitrogen dioxide derivative is ...
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Potential and limitations of the MAX-DOAS method to retrieve the vertical distribution of tropospheric nitrogen dioxide
... The sensitivity study in the previous section has shown that sometimes fictitious ele- vated NO 2 layers are retrieved by the double NO 2 layer retrieval algorithm, for various possible [r] ...
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Rapid growth in nitrogen dioxide pollution over Western China, 2005–2013
... Li, C., Zhang, Q., Krotkov, N. A., Streets, D. G., He, K., Tsay, S.-C., and Gleason, J. F.: Recent large reduction in sulfur dioxide emissions from Chinese power plants observed by the Ozone Monitoring Instrument, ...
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Colorimetric determination of atmospheric nitrogen dioxide using preconcentration on c-18 cartridge.
... Os resultados de experimentos feitos com colunas de C-18 preparadas com diferentes composições da solução impregnante, mas avaliadas nas mesmas condições e com a mesma composição do padr[r] ...
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High-resolution measurements from the airborne Atmospheric Nitrogen Dioxide Imager (ANDI)
... The area of relatively low NO 2 VCDs in the city centre is present in all four transects (though less obviously in the first and last transects); how- ever its exact position and magnitu[r] ...
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Field investigations of nitrogen dioxide (NO<sub>2</sub>) exchange between plants and the atmosphere
... and nitrogen) of the control and en- closed spruce needles were measured according to validated analytical methods by the Bayreuth Center of Ecology and Environmental Research ...and nitrogen were measured ...
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Detection of pollution transport events southeast of Mexico City using ground-based visible spectroscopy measurements of nitrogen dioxide
... sulfur dioxide emissions from the volcano Popocat ´epetl have a large influ- ence on particulate sulfate matter in Mexico City but this influence is often not noticed until the following day when the volcanic SO 2 ...
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Effect of combined nitrogen dioxide and carbon nanoparticle exposure on lung function during ovalbumin sensitization in Brown Norway rat.
... In this study, the combination of repeated tracheal instillation of CNP during OVA sensitization and challenges did not signifi- cantly increase BALF hypereosinophilia, cytokine response[r] ...
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Collecting Information about Air Quality using Smartphones
... Nowadays, one of the major public health concerns is the quality of the air that surrounds us and knowing how polluted it might be. To compute the Air Quality Index for a specific geographical site, five pollutants can ...
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OBSERVED AIR POLLUTION SPECIFICS OF THE VALLEY-BASED TOWNS
... ABSTRACT. Observed air pollution specifics of the valley-based towns. There are 21 valley-based towns in the 100 most populated ones of Hungary. This topo- graphical feature may be advantageous due to mezoscale ...
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Resumo Os efeitos da exposição aos poluentes
... Despite all these limitations it was still pos- sible to find association between pollution and hospital admissions due to respiratory diseases and it was the nitrogen dioxide that had statisti- Figure 2. ...
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It is important to mention that biological protein nitration occurs with low yields because the dominant
... These studies were important because a significant fraction of nitric oxide-derived oxidants produced in vivo are likely to depend on reactions catalyzed by mammalian hemeperoxidases, such as MPO and eosino- phil ...
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MAX-DOAS formaldehyde slant column measurements during CINDI: intercomparison and analysis improvement
... Although the aforementioned studies have largely demon- strated the capabilities of MAX-DOAS systems for HCHO detection, no effort has been devoted so far to intercompare and harmonize instruments and retrieval methods. ...
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GAS EMISSION AND EFFICIENCY OF AN ENGINE-GENERATOR SET RUNNING ON BIOGAS
... as nitrogen oxide, mainly when the mixture air-fuel has little oxygen or when high temperature peaks occur during the process of ...burning. Nitrogen oxide reacts with the oxygen in the air and results in ...
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Transport and build-up of tropospheric trace gases during the MINOS campaign: comparision of GOME, in situ aircraft measurements and MATCH-MPIC-data
... the nitrogen dioxide mixing ratios de- pends on the experimental uncertainties of the other gases, J(NO 2 ), the reaction constant k, and on the unknown ...
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Rev. Bras. Psiquiatr. vol.35 número3
... carbon dioxide-produced panic, starting in ...carbon dioxide inhalation, room air hyperventilation, and intravenous lactate in the same patients with panic ...
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Changes in soil quality after converting <i>Pinus</i> to <i>Eucalyptus</i> plantations in southern China
... Eucalyptus has a fast growth rate and a strong nutrient ab- sorption capacity, which means that they absorb soil nutrients and store them in the biomass efficiently (Laclau et al., 2005), resulting in lower nutrient ...
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Nitrogenous compounds balance and microbial protein synthesis in steers supplemented with sunflower crushed in partial replacement of soybean meal
... Nitrogen balance is of great importance especially when the use of dietary nitrogen is taken into account. Since it assesses the nitrogen used by ruminal microorganisms, it prevents overfeed protein. ...
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Balance of pH of chicks from eggs injected with ascorbic acid and subjected to thermal stress
... carbon dioxide and oxygen, base excess, total carbon dioxide, concentration of sodium, potassium, ionized calcium, bicarbonate and pH of newly hatched male chicks, hatched from eggs injected with acid ...
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