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1,203 Newest Publications about the topic ozone

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The Effect of Sub-Zero Temperature on the Formation and Composition of Secondary Organic Aerosol from Ozonolysis of Alpha-Pinene

19-Jul-2017 | Kasper Kristensen; Louise Normann Jensen; Marianne Glasius; Merete Bilde, Journal of Environmental Monitoring, 2017

This study presents a newly constructed temperature controlled cold-room smog chamber at Aarhus University, Denmark. The chamber is herein utilized to study the effect of sub-zero temperature on the formation and chemical composition of secondary organic aerosol (SOA) from ozone initiated ...

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Molecules, Vol. 22, Pages 1177: Solar or UVA-Visible Photocatalytic Ozonation of Water Contaminants

14-Jul-2017 | Beltrán, Fernando J.; Rey, Ana, Molecules, 2017

An incipient advanced oxidation process, solar photocatalytic ozonation (SPO), is reviewed in this paper with the aim of clarifying the importance of this process as a more sustainable water technology to remove priority or emerging contaminants from water. The synergism between ozonation and ...

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Low-Temperature Atomic Layer Deposition of Cobalt Oxide as an Effective Catalyst for Photoelectrochemical Water-Splitting Devices

13-Jul-2017 | Jiyeon Kim; Tomi Iivonen; Jani Hämäläinen; Marianna Kemell; Kristoffer Meinander; Kenichiro Mizohata; Lidong Wang; J ..., Chemistry of Materials, 2017

We have developed a low-temperature atomic layer deposition (ALD) process for depositing crystalline and phase pure spinel cobalt oxide (Co3O4) films at 120 °C using [Co(tBu2DAD)2] and ozone as coreagent. X-ray diffraction, UV–vis spectroscopy, atomic force microscopy, field emission scanning ...

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Synthesis and Ozone Degradation of Alternating Copolymers of N‐Substituted Maleimides with Diene Monomers

12-Jul-2017 | Kenta Nomura, Asuka Tsujii, Akikazu Matsumoto, Macromolecular Chemistry and Physics, 2017

Radical copolymerization of N‐substituted maleimides (RMIs) and maleic anhydride (MAn) in combination with 2,4‐dimethyl‐1,3‐pentadiene (DMPD) and 1,3‐pentadiene (PD) provides alternating copolymers with excellent thermal stability. Onset temperatures of decomposition are 280–331 and 336–371 °C ...

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IJERPH, Vol. 14, Pages 731: Chronic and Acute Ozone Exposure in the Week Prior to Delivery Is Associated with the Risk of Stillbirth

06-Jul-2017 | Mendola, Pauline ; Ha, Sandie ; Pollack, Anna Z.; Zhu, Yeyi ; Seeni, Indulaxmi ; Kim, Sung Soo; Sherman, Seth ; Liu, ..., International Journal of Environmental Research and Public Health, 2017

Chronic and acute air pollution has been studied in relation to stillbirth with inconsistent findings. We examined stillbirth risk in a retrospective cohort of 223,375 singleton deliveries from 12 clinical sites across the United States. Average criteria air pollutant exposure was calculated ...

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The effects of ozonated water on the microbial counts and the shelf life attributes of fresh‐cut spinach

04-Jul-2017 | Michalis Papachristodoulou, Athanasios Koukounaras, Anastasios S. Siomos, Aglaia Liakou, Dimitrios Gerasopoulos, Journal of Food Processing and Preservation, 2017

Abstract Fresh‐cut vegetables became more and more popular due to healthy eating habits, with main problem safety of the product because of microbial spoilage as well as visual and nutritional quality changes. Ozone may act as a sanitizer; however, due to its strong oxidant activity care is ...

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Great American ozone loss

30-Jun-2017 | H. Jesse Smith, Science , 2017

Stratospheric Ozone![Figure][1] Strong atmospheric convection over the badlands of South Dakota PHOTO: MIKE HOLLINGSHEAD/SCIENCE SOURCE The central United States is a region particularly vulnerable to stratospheric ozone loss in summer, in part because of the severe storms that occur over

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Reducing greenhouse gas emissions and improving air quality: Two global challenges

29-Jun-2017 | Larry E. Erickson, Environmental Progress, 2017

There are many good reasons to promote sustainable development and reduce greenhouse gas emissions and other combustion emissions. The air quality in many urban environments is causing many premature deaths because of asthma, cardiovascular disease, chronic obstructive pulmonary disease, lung ...

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PARAFAC Modeling of Irradiation- and Oxidation-Induced Changes in Fluorescent Dissolved Organic Matter Extracted from Poultry Litter

27-Jun-2017 | Kiranmayi P. Mangalgiri; Stephen A. Timko; Michael Gonsior; Lee Blaney, Environmental Science & Technology, 2017

Parallel factor analysis (PARAFAC) applied to fluorescence excitation emission matrices (EEMs) allows quantitative assessment of the composition of fluorescent dissolved organic matter (DOM). In this study, we fit a four-component EEM-PARAFAC model to characterize DOM extracted from poultry ...

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Evaluation of Novel Routes for NOx Formation in Remote Regions

22-Jun-2017 | Chunxiang Ye; Dwayne E. Heard; Lisa K. Whalley, Environmental Science & Technology, 2017

Photochemical cycling of nitrogen oxides (NOx) produces tropospheric ozone (O3), and NOx is traditionally considered to be directly emitted. The inability of current global models to accurately calculate NOx levels, and concurrently, difficulties in performing direct NOx measurements in low-NOx ...

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