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977 Newest Publications about the topic ozone

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Environmental effects of ozone depletion and its interactions with climate change: progress report, 2015

02-Feb-2016 | United Nations Environment Programme, Environmental Effects Assessment Panel, Photochemical & Photobiological Sciences, 2016

The Environmental Effects Assessment Panel (EEAP) is one of three Panels that regularly informs the Parties (countries) to the Montreal Protocol on the effects of ozone depletion and the consequences of climate change interactions with respect to human health, animals, plants, biogeochemistry, ...

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Ultraviolet‐B alleviates the uncoupling effect of elevated CO2 and increased temperature on grape berry (Vitis vinifera cv. Tempranillo) anthocyanin and sugar accumulation

27-Jan-2016 | J. Martínez‐Lüscher, M. Sánchez‐Díaz, S. Delrot, J. Aguirreolea, I. Pascual, E. Gomès, Australian Journal of Grape and Wine Research, 2016

Abstract Background and Aims Atmospheric carbon dioxide (CO2) levels and temperature are expected to increase in the next decades. In addition, changes in climate as well as the stratospheric ozone concentration may affect the exposure of viticultural regions to UV‐B. The aim of the present ...

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Hydrofluorocarbon (HFC) Emissions in China: An Inventory for 2005–2013 and Projections to 2050

27-Jan-2016 | Xuekun Fang; Guus J. M. Velders; A. R. Ravishankara; Mario J. Molina; Jianxin Hu; Ronald G. Prinn, Environmental Science & Technology, 2016

Many hydrofluorocarbons (HFCs) that are widely used as substitutes for ozone-depleting substances (now regulated under the Montreal Protocol) are very potent greenhouse gases (GHGs). China’s past and future HFC emissions are of great interest because China has emerged as a major producer and ...

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Ozone Promotes Chloropicrin Formation by Oxidizing Amines to Nitro Compounds

25-Jan-2016 | Daniel L. McCurry; Amanda N. Quay; William A. Mitch, Environmental Science & Technology, 2016

Chloropicrin formation has been associated with ozonation followed by chlorination, but the reaction pathway and precursors have been poorly characterized. Experiments with methylamine demonstrated that ozonation converts methylamine to nitromethane at ∼100% yield. Subsequent chlorination ...

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Production of Molecular Iodine and Tri-iodide in the Frozen Solution of Iodide: Implication for Polar Atmosphere

22-Jan-2016 | Kitae Kim; Akihiro Yabushita; Masanori Okumura; Alfonso Saiz-Lopez; Carlos A. Cuevas; Christopher S. Blaszczak-Boxe; ..., Environmental Science & Technology, 2016

The chemistry of reactive halogens in the polar atmosphere plays important roles in ozone and mercury depletion events, oxidizing capacity, and dimethylsulfide oxidation to form cloud-condensation nuclei. Among halogen species, the sources and emission mechanisms of inorganic iodine compounds in ...

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Removal of emerging pharmaceuticals from wastewater by ozone‐based advanced oxidation processes

20-Jan-2016 | Fares A. Almomani, Moayyad Shawaqfah, Rahul R. Bhosale, Anand Kumar, Environmental Progress, 2016

This study investigates the use of ozone as a pretreatment process for water containing pharmaceuticals. Experiments were carried out on synthetic wastewater, surface water, and the effluent of wastewater treatment plant. The degradation efficiencies of four groups of pharmaceuticals ...

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Effect of oxygen and ozone on p-type doping of ultra-thin WSe2 and MoSe2 field effect transistors

19-Jan-2016 | Shunfeng Wang; Weijie Zhao; Francesco Giustiniano; Goki Eda, Physical Chemistry Chemical Physics, 2016

We report on p-type doping effect of oxygen and ozone molecules on mono- and few-layer WSe2 and MoSe2 field effect transistors. We show that adsorption of oxygen and ozone in ambient conditions results in subtantial doping and corresponding enhancement in hole conductivity of the devices. ...

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Interaction of indium oxide nanoparticle film surfaces with ozone, oxygen and water

18-Jan-2016 | M. Himmerlich, A. Eisenhardt, T. Berthold, Ch. Y. Wang, V. Cimalla, O. Ambacher, S. Krischok, physica status solidi (a), 2016

Abstractauthoren The interaction of defect‐rich nanocrystalline indium oxide films, which have previously shown to exhibit excellent ozone sensing properties, with O3, O2, and H2O molecules is investigated using ultra‐violet and X‐ray photoelectron spectroscopy. The investigated samples are ...

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Dynamic Management of NOx and SO2 Emissions in the Texas and Mid-Atlantic Electric Power Systems and Implications for Air Quality

15-Jan-2016 | Elena McDonald-Buller; Yosuke Kimura; Michael Craig; Gary McGaughey; David Allen; Mort Webster, Environmental Science & Technology, 2016

Cap and trade programs have historically been designed to achieve annual or seasonal reductions in emissions of nitrogen oxides and sulfur dioxide from power plants. Emissions reductions may not be temporally coincident with meteorological conditions conducive to the formation of peak ozone and ...

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Ozonation of Cylindrospermopsin (Cyanotoxin): Degradation Mechanisms and Cytotoxicity Assessments

15-Jan-2016 | Shuwen Yan; Ai Jia; Sylvain Merel; Shane A Snyder; Kevin E. O’Shea; Dionysios D. Dionysiou; Weihua Song, Environmental Science & Technology, 2016

Cylindrospermopsin (CYN) is a potent toxic alkaloid produced by a number of cyanobacteria frequently found in lakes and reservoirs used as drinking water sources. We report for the first time detailed pathways for the degradation of CYN by treatment with ozone. This was accomplished by use of ...

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