Showing 301 - 320 results of 552 for search '"atmosphere"', query time: 0.07s Refine Results
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    Discovery of the Richest Pulsating Ultramassive White Dwarf by Francisco C. De Gerónimo, Murat Uzundag, Alberto Rebassa-Mansergas, Alex Brown, Mukremin Kilic, Alejandro H. Córsico, Gracyn C. Jewett, Adam G. Moss

    Published 2025-01-01
    “…In this work, we report the discovery of 19 pulsation modes in the UM WD star WD J0135+5722, making it the richest pulsating hydrogen-atmosphere UM WD known to date. This object exhibits multiperiodic luminosity variations with periods ranging from 137 to 1345 s, typical of pulsating WDs in the ZZ Ceti instability strip, which is centered at T _eff  ∼ 12,000 K. …”
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    Article
  4. 304

    Decade-Long Analysis: Unravelling the Spatio-Temporal Dynamics of PM10 Concentrations in Malaysian Borneo by Salwa Naidin, Justin Sentian, Farrah Anis Fazliatul Adnan, Franky Herman, Siti Rahayu Mohd Hashim

    Published 2023-11-01
    “…For many years, Malaysia has experienced a hazy atmosphere due to high levels of particulate matter (PM10) from regional biomass burning and other human activities. …”
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    Article
  5. 305

    Volatile Organic Compounds and Carbonyls Pollution in Mexico City and an Urban Industrialized Area of Central Mexico by Elizabeth Vega, Omar Ramírez, Gabriela Sánchez-Reyna, Judith C. Chow, John G. Watson, Diego López-Veneroni, Monica Jaimes-Palomera

    Published 2022-04-01
    “…Average VOC concentrations in Tula were dominated by alkanes (40.8–42.2% of the total VOCs), followed by alkenes (10.3–11.9%), oxygenated compounds (10.0–11.5%), aromatics (7.3–12.5%), halogenated species (7.0–9.3%), and acetylene (1.6–2.4%), denotating a highly reactive atmosphere. High concentrations of propane and nButane are associated with leakage, handling, and distribution of liquified petroleum gas (LPG). …”
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    Article
  6. 306

    Spatiotemporal Variations of PM2.5 and O3 Relationship during 2014–2021 in Eastern China by Yasong Li, Tijian Wang, Qin’geng Wang, Yawei Qu, Hao Wu, Min Xie, Mengmeng Li, Shu Li, Bingliang Zhuang

    Published 2023-08-01
    “…Abstract In recent times, there has been a noteworthy reduction in the mass concentration of PM2.5 in the atmosphere of China. On the other hand, ozone (O3) pollution has intensified during this period. …”
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  7. 307

    Redesain Aplikasi Mobile Supervisi Observasi Kelas untuk Meningkatkan Tingkat Usability by Muhammad Ifa Amrillah, Retno Indah Rokhmawati, Fitra Abdurrachman Bachtiar

    Published 2024-10-01
    “…Abstract   The LESON application, now renamed EDVISOR, is a mobile-based application devoted to recording the learning atmosphere and supporting classroom observation supervision activities. …”
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  8. 308

    Variations in the physicochemical properties of soil, enzyme activities, and the characteristics of bacterial communities within algal biocrusts and subsoils across different plant... by Haonian Li, Zhongju Meng, Xiaomen Ren, Yanlong Han

    Published 2025-04-01
    “…Algal biological soil crusts (ABSCs) as ecological engineers inhabiting the soil-atmosphere boundary in dryland. Bacteria living at this boundary drive the diversity of ecosystem functions and services. …”
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    Article
  9. 309

    Satellite-based Emission Inventory Adjustments Improve Simulations of Long-range Transport Events by Wei-Syun Huang, Stephen M. Griffith, Yi-Chun Lin, Ying-Chieh Chen, Chung-Te Lee, Charles C.-K. Chou, Ming-Tung Chuang, Sheng-Hsiang Wang, Neng-Huei Lin

    Published 2021-09-01
    “…For the 2018 event, non sea-salt sulfate concentrations were consistently underpredicted (0.2–0.4), while nitrate concentrations were overpredicted by up to factor of 11. Copernicus Atmosphere Monitoring Service (CAMS) reanalysis of the PM2.5 concentrations shows high sulfate concentrations in eastern China in the areas associated with 72-h back-trajectories from northern Taiwan during both events, lending support for future model investigations of sulfate source area production and transport to Taiwan. …”
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    Article
  10. 310

    Learnings from COVID-19 Forced Lockdown on Regional Air Quality and Mitigation Potential for South Asia by Abhishek Upadhyay, Parth Sarathi Mahapatra, Praveen Kumar Singh, Sishir Dahal, Suresh Pokhrel, Amit Bhujel, Indu Bikram Joshi, Shankar Prasad Paudel, Siva Praveen Puppala, Bhupesh Adhikary

    Published 2022-03-01
    “…Without this deeper understanding, mitigation strategies cannot be effectively targeted, wasting limited resources as well as risking unintended consequences both for the atmosphere and how mitigation action is perceived by the wider public.…”
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    Validation of SOC Estimation Using OC and EC Concentration in PM2.5 Measured at Seoul by Ha Young Yoo, Ki Ae Kim, Yong Pyo Kim, Chang Hoon Jung, Hye Jung Shin, Kwang Ju Moon, Seung Myung Park, Ji Yi Lee

    Published 2022-02-01
    “…We finally confirmed that the most appropriate value of (OC/EC)pri is that calculated by a regression analysis of 1-h data and estimated SOC values at PM2.5 of the Seoul atmosphere.…”
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  13. 313

    Investigating the Effect of Coffee Husk Ash as Partial Replacement of Cement in Concrete C30. by Niwainamani, Laban

    Published 2023
    “…From concrete ingredients, the binder, the costliest environmental-unfriendly element is cement, which is an ecological unsociable process due to the discharge of CO; gas into the atmosphere and ecological degradation. Coffee husks have been considered as agricultural by-product; as its quantity is rising, Uganda produced 6.77 million 60 kilo bags in 2021. …”
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    Thesis
  14. 314

    Assessment of Impact of Meteorology and Precursor in Long-term Trends of PM and Ozone in a Tropical City by Christian Mark G. Salvador, Angeles D. Alindajao, Karen B. Burdeos, Mark Anthony M. Lavapiez, Jhon Robin Yee, Angel T. Bautista, Preciosa Corazon B. Pabroa, Rey Y. Capangpangan

    Published 2021-12-01
    “…Abstract Long-term trends of atmospheric pollutants, particularly ozone (O3) and particulate matter (PM) provide a direct evaluation of the response of the atmosphere to the environmental policies and the variability of anthropogenic and biogenic emissions. …”
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  15. 315

    CO2 methanation over low-loaded Ni-M, Ru-M (M = Co, Mn) catalysts supported on CeO2 and SiC by Chopendra G. Wasnik, Maki Nakamura, Taiki Shimada, Hiroshi Machida, Koyo Norinaga

    Published 2025-03-01
    “…The concentration of the major greenhouse gas CO2 is rapidly increasing in the atmosphere, leading to global warming and a range of environmental issues. …”
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  16. 316

    Temporospatial Variation, Chemical Composition, and Source Resolution of PM2.5 in the Southeastern Taiwan Island by Chung-Shin Yuan, Jun-Hao Ceng, Po-Hsuan Yen, Kuan-Chen Chiang, Yu-Lun Tseng, Kwok-Wai Wong, Ming-Shiou Jeng

    Published 2022-12-01
    “…The OC/EC ratios higher than 2.0 showed the potential chemical formation of secondary organic aerosols (SOAs) in the atmosphere in winter and spring. Trajectory simulation indicated that high PM2.5 concentrations were mostly originated from North and Central China, Japan islands, and Korea Peninsula. …”
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    Article
  17. 317

    Variability and Source Characterization of Regional PM of Two Urban Areas Dominated by Biomass Burning and Anthropogenic Emission by Christian Mark G. Salvador, Jhon Robin dR. Yee, Iara Chantrelle V. Coronel, Angel T. Bautista, Raymond J. Sugcang, Mark Anthony M. Lavapiez, Rey Y. Capangpangan, Preciosa Corazon B. Pabroa

    Published 2022-04-01
    “…Abstract Identifying the sources and formation pathways of particulate matter (PM) and its components is important to determine the impact of atmospheric aerosols on human health and the warming of the global atmosphere. …”
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    Article
  18. 318

    Evaluation of the Competitiveness Model in the Steel Industry with a Technology Transfer Approach by Ali Amraei, Safieh Mehrinejad, Amir Bayattork

    Published 2024-06-01
    “…One of the most important drivers for increasing competitiveness among companies in the steel industry is the presence of a supportive atmosphere and attitude from senior company managers. …”
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  19. 319

    Formation and fate of freshwater on an ice floe in the Central Arctic by M. M. Smith, N. Fuchs, E. Salganik, D. K. Perovich, I. Raphael, M. A. Granskog, K. Schulz, M. D. Shupe, M. D. Shupe, M. Webster

    Published 2025-02-01
    “…The fate of this freshwater, whether in surface melt ponds or thin layers underneath the ice and in leads, impacts atmosphere–ice–ocean interactions and their subsequent coupled evolution. …”
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    Article
  20. 320

    Virtual Joint Field Campaign: a framework of synthetic landscapes to assess multiscale measurement methods of water storage by T. Francke, C. Brogi, A. Duarte Rocha, M. Förster, M. Heistermann, M. Köhli, D. Rasche, M. Reich, P. Schattan, P. Schattan, L. Scheiffele, M. Schrön

    Published 2025-02-01
    “…It comprises data and methods to create and combine different compartments of the landscape (e.g. atmosphere, soil, vegetation). The present study demonstrates virtual observations of water storage with cosmic-ray neutron sensing, hydrogravimetry, and remote sensing in three exemplary landscapes. …”
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