Academic literature on the topic 'Photochemical oxidant cycle'

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Journal articles on the topic "Photochemical oxidant cycle"

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Nguyen, T. K. V., M. D. Petters, S. R. Suda, and A. G. Carlton. "Trends in particle phase liquid water during the Southern Oxidant and Aerosol Study." Atmospheric Chemistry and Physics Discussions 14, no. 6 (2014): 7469–516. http://dx.doi.org/10.5194/acpd-14-7469-2014.

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Abstract. We present in situ measurements of particle phase liquid water. Measurements were conducted 3 June to 15 July 2013 during the Southern Oxidant and Aerosol Study in the southeastern US. The region is dominated by biogenic emissions, impacted by anthropogenic pollution, photochemically active, humid, and known to contain high concentrations of organic aerosol mass. Measurements characterized mobility number size distributions of ambient atmospheric aerosols in three states: unperturbed, dry, and dry-humidified. Unperturbed measurements describe the aerosol distribution at ambient tempe
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Nguyen, T. K. V., M. D. Petters, S. R. Suda, H. Guo, R. J. Weber, and A. G. Carlton. "Trends in particle-phase liquid water during the Southern Oxidant and Aerosol Study." Atmospheric Chemistry and Physics 14, no. 20 (2014): 10911–30. http://dx.doi.org/10.5194/acp-14-10911-2014.

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Abstract. We present in situ measurements of particle-phase liquid water. Measurements were conducted from 3 June to 15 July 2013 during the Southern Oxidant and Aerosol Study (SOAS) in the southeastern US. The region is photochemically active, humid, dominated by biogenic emissions, impacted by anthropogenic pollution, and known to contain high concentrations of organic aerosol mass. Measurements characterized mobility number size distributions of ambient atmospheric aerosols in three states: unperturbed, dry, and dry-humidified. Unperturbed measurements describe the aerosol distribution at a
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Li, Chen, Su Ping Cui, Xian Zheng Gong, Xian Ce Meng, Bo Xue Sun, and Yu Liu. "Life Cycle Assessment of Heavy-Duty Truck for Highway Transport in China." Materials Science Forum 787 (April 2014): 117–22. http://dx.doi.org/10.4028/www.scientific.net/msf.787.117.

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The detailed life cycle assessment of heavy-duty truck for highway transport in China is conducted by Centre of National Material Life Cycle Assessment (CNMLCA). The input of energy and output of pollutants emissions are documented as the life cycle inventory (LCI). The life cycle impact assessment (LCIA) results calculated with the CML method show that the hotspot of environmental impacts from transport in China. The environmental benefits from implementations of European emissions standards in China for transport are also analyzed. The analysis shows that the acidification potential (AP) mak
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Phadnis, Mahesh J., and Gregory R. Carmichael. "Forest fire in the Boreal Region of China and its impact on the photochemical oxidant cycle of East Asia." Atmospheric Environment 34, no. 3 (2000): 483–98. http://dx.doi.org/10.1016/s1352-2310(99)00249-6.

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Dong, Shaoce, Guijun Xian, and Xiao-Su Yi. "Life Cycle Assessment of Ramie Fiber Used for FRPs." Aerospace 5, no. 3 (2018): 81. http://dx.doi.org/10.3390/aerospace5030081.

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With the depletion of natural resources and the deterioration of environment, natural fiber based biomaterials are attracting more and more attentions. Natural fibers are considered to be renewable, biodegradable, and ecofriendly, and have been applied to be used as alternative reinforcements to traditional glass fibers for polymer based composites (GFRP). Natural fiber reinforced polymer (NFRP) composites have been found to be manufactured as secondary structures or interior parts of aircrafts or automobiles. In this paper, a cradle-to-gate life cycle assessment (LCA) study was performed to d
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Soleymani Angili, Tahereh, Katarzyna Grzesik, Anne Rödl, and Martin Kaltschmitt. "Life Cycle Assessment of Bioethanol Production: A Review of Feedstock, Technology and Methodology." Energies 14, no. 10 (2021): 2939. http://dx.doi.org/10.3390/en14102939.

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So far, a lot of efforts have been put in life cycle assessments (LCA) of bioethanol production. There are many works that have assessed bioethanol production in different points of view to illustrate the environmental impacts. This study reviewed former LCA studies on bioethanol produced from various biomass resources by considering the effect of methodological components, technical pathways and feedstock provision on the result of LCA studies. The review evaluated 48 papers published 2002–2021 with a focus on studies that included a complete set of environmental impact categories. However, d
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Ceulemans, K., S. Compernolle та J. F. Müller. "Parameterising secondary organic aerosol from α-pinene using a detailed oxidation and aerosol formation model". Atmospheric Chemistry and Physics 12, № 12 (2012): 5343–66. http://dx.doi.org/10.5194/acp-12-5343-2012.

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Abstract. A new parameter model for α-pinene secondary organic aerosol (SOA) is presented, based on simulations with the detailed model BOREAM (Biogenic hydrocarbon Oxidation and Related Aerosol formation Model). The parameterisation takes into account the influence of temperature, type of oxidant, NOx-regime, photochemical ageing and water uptake, and is suitable for use in global chemistry transport models. BOREAM is validated against recent photooxidation smog chamber experiments, for which it reproduces SOA yields to within a factor of 2 in most cases. In the simple chemical mechanism of t
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Xiong, F., K. M. McAvey, K. A. Pratt, et al. "Observation of isoprene hydroxynitrates in the Southeastern United States and implications for the fate of NO<sub><i>x</i></sub>." Atmospheric Chemistry and Physics Discussions 15, no. 13 (2015): 17843–86. http://dx.doi.org/10.5194/acpd-15-17843-2015.

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Abstract. Isoprene hydroxynitrates (IN) are tracers of the photochemical oxidation of isoprene in high NOx environments. Production and loss of IN have a significant influence on the NOx cycle and tropospheric O3 chemistry. To better understand IN chemistry, a series of photochemical reaction chamber experiments were conducted to determine the IN yield from isoprene photooxidation at high NO concentrations (&gt; 100 ppt). By combining experimental data and calculated isomer distributions, a total IN yield of 9(+4/−3) % was derived. The result was applied in a zero-dimensional model to simulate
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Li, Chen, Su Ping Cui, Xian Ce Meng, Zhen Guo Peng, Xian Zheng Gong, and Yu Liu. "Potentials for Denox in Chinese Cement Industry with the Life Cycle Assessment Method." Materials Science Forum 814 (March 2015): 470–75. http://dx.doi.org/10.4028/www.scientific.net/msf.814.470.

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To explore NOx mitigation strategies in Chinese cement industry systematically, a material flow analysis was developed. The realistic output of cement production in China were identified and quantified. The inventory data of Chinese cement production were selected without denitration technology applications at that time. Then the life cycle impact assessment (LCIA) results were calculated with the principal of ISO 14040 and ISO 14044 of Life Cycle Assessment. The impact categories of global warming potential (GWP), acidification potential (AP), eutrophication potential (EP), photochemical oxid
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Park, Won-Jun, Rakhyun Kim, Seungjun Roh, and Hoki Ban. "Analysis of Major Environmental Impact Categories of Road Construction Materials." Sustainability 12, no. 17 (2020): 6951. http://dx.doi.org/10.3390/su12176951.

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To address the environmental problems associated with construction materials, the construction industry has made considerable efforts to reduce carbon emissions. However, construction materials cause several other environmental problems in addition to carbon emissions and thus, a comprehensive analysis of environmental impact categories is required. This study aims to determine the major environmental impact categories for each construction material in production stage using the life cycle assessment (LCA) technique on road projects. Through the review of life cycle impact assessment (LCIA) me
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Dissertations / Theses on the topic "Photochemical oxidant cycle"

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Harris, Tanner B. "Nitrogen Dioxide in the Urban Forest: Exposure and Uptake." 2010. https://scholarworks.umass.edu/theses/526.

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Nitrogen dioxide (NO2) levels were measured inside and adjacent to canopies of urban trees in Springfield, MA, over two growing seasons. Nitrogen dioxide levels were consistently and significantly higher inside tree canopies compared to levels outside. During the second growing season, ozone (O3), temperature, and relative humidity (RH) were also measured using samplers co-located with the NO2 samplers. Ozone levels were significantly lower inside the canopy whereas temperatures were higher inside the canopy, and RH was not different between inner and outer canopy locations. The results co
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Book chapters on the topic "Photochemical oxidant cycle"

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"Carbon and Photochemical Oxidant Cycles." In Trees and Global Warming. Cambridge University Press, 2020. http://dx.doi.org/10.1017/9781108635370.003.

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Faust, Bruce C. "A Review of the Photochemical Redox Reactions of Iron(III) Species in Atmospheric, Oceanic, and Surface Waters: Influences on Geochemical Cycles and Oxidant Formation." In Aquatic and Surface Photochemistry. CRC Press, 2018. http://dx.doi.org/10.1201/9781351069847-2.

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