Showing 281 - 300 results of 552 for search '"atmosphere"', query time: 0.07s Refine Results
  1. 281

    Influence of Relative Humidity and Aging on Morphology and Chemical Composition on Biomass Burning Particle by Titinan Utavong, Thunyapat Thongyen, Surat Bualert, Parkpoom Choomanee, Saranarat Kongkeaw, Tanawan Rattanapotanan, Jitlada Phupijit, Suteekan Maneejantra, Nitchakarn Changplaiy

    Published 2024-04-01
    “…Abstract Agricultural waste burning is a major source of fine particulate matter (FPM), which remains in long-term suspension in the atmosphere during the aging processes. This research studied changes in the size, morphology, and chemical composition of FPM produced from rice straw and sugarcane leaf burning and the effects of relative humidity (RH) on the aging process. …”
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  2. 282

    The impact of copper additive content on the synthesis of SiC from rice husks by Kieu Do Trung Kien, Huynh Ngoc Minh

    Published 2025-01-01
    “…A mixture of rice husks, silica gel, and copper was prepared in varying ratios and then sintered at 1100 °C in a CO _2 atmosphere to promote SiC formation. The SiC content, mineralogical composition, and microstructure of the products were analyzed using ISO 21068-2:2008, Fourier Transform Infrared Spectroscopy, x-ray Diffraction, Scanning Electron Microscopy, and Energy Dispersive x-ray Spectroscopy. …”
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  3. 283

    Use of building wastes and red mud as CO2 sorbent and catalyst for the production of hydrogen by Despina Vamvuka, Stavroula Panagiotidou, Agapi Orfanoudaki

    Published 2024-07-01
    “…The experiments were carried out in a fixed-bed gasification system under a steam atmosphere and a thermogravimetric-mass spectrometric unit. …”
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  4. 284

    Contributions of Biomass Burning and Other Sources to Fine Particle Level and Oxidative Potential in Suburban Tokyo, Japan by Akihiro Fushimi, Ana M. Villalobos, Akinori Takami, Kiyoshi Tanabe, James J. Schauer

    Published 2024-06-01
    “…Abstract Fine particulate matter (PM2.5) in the atmosphere is of high priority for air quality management efforts due to well-established associations with adverse effects on human populations. …”
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  5. 285

    Behavior of eco-friendly concrete reinforced with hybrid recycled fibers by Radwa Defalla Abdel Hafez1, Raghda Osama Abd-Al Ftah, Bassam Abdelsalam Abdelsalam, Ibrahim Saad Agwa

    Published 2025-03-01
    “…The emission of greenhouse gases like methane and carbon dioxide into the atmosphere by landfills is well-known to be harmful to both people and the environment. …”
    Article
  6. 286
  7. 287

    A study on climate change impacts using lumped versus distributed hydrological models in a semi-arid basin by Farahnaz Baharvand, Ali Reza Massah Bavani, Mohammad Mahdavi, Massoud Goodarzi

    Published 2024-12-01
    “…The joint probability plot was used to generate seasonal climatic change factors (% change in rainfall and change in temperature °C) to apply as an input to the DiCaSM model. A suite of 15 Atmosphere-Ocean Global Circulation Models (AOGCMs) from the Coupled Model Inter-comparison Project (CMIP) with monthly rainfall and temperature data for the baseline period were evaluated. …”
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  8. 288

    Investigation of factors that affect post-fire recovery of photosynthetic activity at global scale by Yicheng Shen, I. Colin Prentice, Sandy P. Harrison

    Published 2025-02-01
    “…The time taken for ecosystems to recover after wildfire affects the rate of carbon sequestration, and this in turn impacts land–atmosphere exchanges and hydrological processes. Factors affecting post-fire recovery time have been investigated at site or regional scale, but there is comparatively little information about this at a global scale. …”
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  9. 289

    Adaptability assessment of the whitecap statistical physics model with cruise observations under high sea states by Yongfang Shi, Yongfang Shi, Yongzeng Yang, Yongzeng Yang, Jinpeng Qi, Jinpeng Qi, Haili Wang

    Published 2025-02-01
    “…Whitecaps are crucial for understanding ocean-atmosphere interactions, particularly under high sea states, where quantifying whitecap coverage has long been a key research focus. …”
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  10. 290

    Plant Species Composition and Community Perception Towards Landscaping Work Executed at Hawassa University-Main Campus, Ethiopia by Birhanu Kagnew, Firew Kebede

    Published 2022-10-01
    “…Plantation could also modify the micro-climate of the campus environment (94.3%) due to the plants photosynthesis process which produces O2 and takes in Co2 from the atmosphere. In general educational institutions landscaping need to be encouraged to enhance the teaching-learning process, and to make the working environment attractive. …”
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  11. 291

    Gasoline Direct Injection Engine Emissions of OC and EC: Laboratory Comparisons with Port Fuel Injection Engine by Jie Zhang, John Liggio, Tak W. Chan, Lin Huang, Jeffrey R. Brook

    Published 2022-05-01
    “…Once the GDI vehicle was equipped with a GPF, the removal efficiency of EC was > 98%, but OC emissions could increase as a result of regeneration, suggesting that the effect of a GPF on total carbon emitted to the atmosphere needs further evaluation, especially considering the formation of secondary organic aerosol.…”
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  12. 292

    Geospatial digital mapping of soil organic carbon using machine learning and geostatistical methods in different land uses by Yahya Parvizi, Shahrokh Fatehi

    Published 2025-02-01
    “…Abstract Improper management of soil resources leads to the destruction of soil organic carbon (SOC) stock and, as a result, the reduction of soil quality, as well as accelerating the process of climate change through the release of SOC into the atmosphere. This study was conducted to evaluate potential of different simulation models to map the spatial variability of SOC as affected by land use in a study area in Qarasu watershed in Kermanshah province, west of Iran. …”
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  13. 293

    Geophysical flows over topography, a playground for laboratory experiments by Vidal, Jérémie, Noir, Jérôme, Cébron, David, Burmann, Fabian, Monville, Rémy, Giraud, Vadim, Charles, Yoann

    Published 2025-01-01
    “…Physicists face major challenges in modelling multi-scale phenomena that are observed in geophysical flows (e.g. in the Earth’s oceans and atmosphere, or liquid planetary cores). In particular, complexities arise because geophysical fluids are rotating and subject to density variations, but also because the fluid boundaries have complex geometries (e.g. the ocean floor) with wavelengths ranging from metres to thousands of kilometres. …”
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  14. 294

    Coupling cobalt single-atom catalyst with recyclable LiBr redox mediator enables stable LiOH-based Li-O2 batteries by Kang Huang, Zhixiu Lu, Shilong Dai, Chunyu Cui, Nam Dong Kim, Huilong Fei

    Published 2025-03-01
    “…Consequently, the fabricated LOB demonstrates fewer side reactions, stable energy efficiency (drop rate of 0.10 % per cycle) and long cycle life (300 cycles at 1000 mA/g) under the ambient atmosphere.‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬…”
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  15. 295
  16. 296

    Surface reaction mechanism and characteristics of 2-dimensional TiO2 and 0-dimensional Ag nanocomposites specialized for H2S gas sensing at room temperature by Un Yup Lee, Min Young Kim, Kyu Hyoung Lee, Sol Han, Seung Yong Lee, Ali Mirzaei, Sun-Woo Choi, Myung Sik Choi, Changhyun Jin, Jeong Yun Hwang

    Published 2025-06-01
    “…Sensing behavior in humid atmosphere was also investigated. The improved H2S gas sensing performance can be attributed to the catalytic effect of Ag, the formation of Ag/TiO2 heterojunctions, and the large surface area of the TiO2 NSs. …”
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  17. 297

    Effect of Boundary Layer Evolution on Nitrogen Dioxide (NO2) and Formaldehyde (HCHO) Concentrations at a High-altitude Observatory in Western India by Mriganka Sekhar Biswas, G. Pandithurai, M. Y. Aslam, Rohit D. Patil, V. Anilkumar, Shrikant D. Dudhambe, Christophe Lerot, Isebelle De Smedt, Michel Van Roozendael, Anoop S. Mahajan

    Published 2020-11-01
    “…Abstract Nitrogen dioxide (NO2) and formaldehyde (HCHO) are some of the most important trace gases in the atmosphere, acting as precursors for ozone formation and as pollutants at high concentrations. …”
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  18. 298

    Effects of Precipitation on the Air Quality Index, PM2.5 Levels and on the Dry Deposition of PCDD/Fs in the Ambient Air by Ruoxin Wang, Kangping Cui, Hwey-Lin Sheu, Lin-Chi Wang, Xueyan Liu

    Published 2023-03-01
    “…This is because rainwater removes particles or dissolved gaseous pollutants from the atmosphere and brings aerosols to the ground. However, in some cases, the increase of source emissions and atmospheric vertical convection, the effect of precipitation or air humidity increased the AQI and elevated the concentration of PM2.5, and dry deposition flux of PCDD/Fs. …”
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  19. 299

    Constraining sulphur yields of trachytic and phonolitic volcanic eruptions: Tambora, Vesuvius, Laacher See and Campi Flegrei by Scaillet, Bruno, Oppenheimer, Clive, Cioni, Raffaello, Scaillet, Stephane,  Moussallam, Yves, Prouteau, Gaelle, Andujar, Joan

    Published 2024-12-01
    “…Very high sulphur yields to the atmosphere have been suggested for some prominent phonolite–trachyte eruptions, influencing assessments of their potential climatic impacts. …”
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  20. 300

    Long-term Measurements of Carbonaceous Aerosol at Cape Hedo, Okinawa, Japan: Effects of Changes in Emissions in East Asia by Kojiro Shimada, Akinori Takami, Takatsugu Ishida, Yuta Taniguchi, Shuichi Hasegawa, Chak K. Chan, Yong Pyo Kim, Neng-Huei Lin, Shiro Hatakeyama

    Published 2021-05-01
    “…Abstract We investigated the changes in the carbonaceous-aerosol sources and their effects on the long-term elemental carbon (EC) and organic carbon (OC) concentration trends at the Cape Hedo Atmosphere and Aerosol Monitoring Station (CHAAMS) in Okinawa, Japan, during the period 2004–2013. …”
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