Showing 541 - 560 results of 793 for search '"Particulates"', query time: 0.05s Refine Results
  1. 541

    Occupational exposures in low- and middle-income countries: A scoping review. by Valentina Quintero Santofimio, Andre F S Amaral, Johanna Feary

    Published 2024-01-01
    “…Exposure measurements included vapour, gases, dust, and fumes (VGDF), solvents, metals, pesticides and particulate matter. Occupational exposure levels for the same industry varied widely across geographical regions. …”
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    Article
  2. 542

    Air Pollution Exposure as a Relevant Risk Factor for Chronic Obstructive Pulmonary Disease Exacerbations in Male and Female Patients by Miguel Enrique Silva Rodriguez, Patricia Silveyra

    Published 2022-03-01
    “…Patients with COPD are especially vulnerable to the detrimental effects of environmental exposures, especially from air particulate and gaseous pollutants; exposure to air pollution severely influences COPD outcomes, resulting in acute exacerbations, hospitalisations, and death. …”
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  3. 543

    Carbon Black Particle Exhibits Size Dependent Toxicity in Human Monocytes by Devashri Sahu, G. M. Kannan, R. Vijayaraghavan

    Published 2014-01-01
    “…Increased levels of particulate air pollution are associated with increased respiratory and cardiovascular mortality and morbidity. …”
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  4. 544

    Ambient Air Quality Monitoring in Metropolitan City of Lagos, Nigeria by Kelechi Longinus Njoku, Tosin John Rumide, Modupe Olatunde Akinola, Adeola Alex Adesuyi, Anuoluwapo Omosileola Jolaoso

    Published 2016-05-01
    “…Twenty one sampling locations were assessed for carbon monoxide (CO), carbondioxide (CO2), oxygen (O2), sulphur dioxide (SO2), nitrogen dioxide (NO2), nitrogen oxide (NO), suspended particulate matter (SPM) and noise level using air pollutants measurement methods approved by ASTM for each specific parameter. …”
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  5. 545

    Associations between Ozone and Emphysema: A Systematic Review and Meta-analysis by Amja Manullang, Yueh-Lun Lee, Vincent Laiman, Jer-Hwa Chang, Hsiao-Chi Chuang

    Published 2022-05-01
    “…A random-effects model for the meta-analysis was implemented to summarize effect estimates of sufficiently comparable outcomes and pollutants (e.g.: particulate matter, nitrogen oxides and ozone), and the results were visualized in forest plots. …”
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  6. 546

    Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter by Dongho Shin, Hyunsoo Seo, Kee-Jung Hong, Hak-Joon Kim, Yong-Jin Kim, Bangwoo Han, Ga-Young Lee, Sung-Nam Chun, Jungho Hwang

    Published 2020-07-01
    “…Abstract In this study, a new ejector-porous tube diluter was developed to accurately in situ measure particulate matter at the source, e.g., emissions at coal-fired power plants, and its dilution ratio and particle loss were compared to those of a commercial model. …”
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  7. 547

    Effect of Cobalt Fillers on Polyurethane Segmentations Investigated by Synchrotron Small Angle X-Ray Scattering by Krit Koyvanich, Chitnarong Sirisathitkul, Supagorn Rugmai

    Published 2013-01-01
    “…Several models have successfully been proposed to visualize the configuration between the hard segment (HS) and soft segment (SS). For particulate PU composites, the arrangement of HS and SS is more complicated because the fillers tend to disrupt the chain formation and segmentation. …”
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  8. 548

    Potential Risks of PM2.5 in Urban and Suburban Environments: A Dual Perspective on Chemical Constituents and Pollution Sources by Huarui Ren, Xiongping Wu, Wenchang Zhao, Jinping Cheng

    Published 2024-03-01
    “…Abstract To investigate the chemical characteristics and source profiles of fine particulate matter (PM2.5) between suburban and urban areas, intensive observation and sample collection were conducted from November 2019 to January 2020 covering both clean and polluted days in Yulin, southwestern China. higher pollution levels were observed in urban areas during both clean and polluted days. …”
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    Article
  9. 549

    Source Apportionment of PM10 by Positive Matrix Factorization in Urban Area of Mumbai, India by Indrani Gupta, Abhaysinh Salunkhe, Rakesh Kumar

    Published 2012-01-01
    “…Particulate Matter (PM10) has been one of the main air pollutants exceeding the ambient standards in most of the major cities in India. …”
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  10. 550

    Traffic-related air pollutants (TRAP) in relation to respiratory symptoms among security guards by Muniandy Pravin, Abdul Aziz Nurhanim, Zainal Abidin Nur Balqishanis, Mohd Jamil Putri Anis, Ahnan Karthiga

    Published 2025-01-01
    “…Security guards are among the outdoor workers exposed to TRAP pollutants, mainly particulate matter 2.5 (PM2.5), which can lead to chronic respiratory diseases. …”
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  11. 551

    The Amazonian mangrove systems accumulate and release dissolved neodymium and hafnium to the oceans by Antao Xu, Ed Hathorne, Michael Seidel, Te Liu, Nils E. Asp, Andrea Koschinsky, Thorsten Dittmar, Martin Frank

    Published 2025-01-01
    “…Hence, the export mechanisms and fluxes of particulate and dissolved organic carbon and trace elements from mangroves directly influence coastal productivity, the global carbon cycle and thus global climate, which are, however, not well constrained. …”
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  12. 552

    Design and implementation of a solar powered kit for measurement and logging of environmental parameters using the SEN55 sensor by J. Nchi Muhvu, M.D. Fendji, C.M. Ekengoue

    Published 2025-03-01
    “…The device measures particulate matter (PM1, PM2.5, PM4, PM10), humidity, temperature, volatile organic compounds (VOC), and nitrogen oxides (NOx), with data logged via an ATmega2560 microcontroller and displayed for real-time visualization. …”
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  13. 553

    Assessment of High-resolution Local Emissions and Land-use in Air Quality Forecasting at an Urban, Coastal, Desert Environment by Christos Fountoukis, Yasir Mohieldeen, Luis Pomares, Ivan Gladich, Azhar Siddique, Adam Skillern, Mohammed A. Ayoub

    Published 2022-04-01
    “…Abstract Fine particulate matter, ozone and nitrogen oxides are forecasted using a three-dimensional atmospheric meteorology-chemistry model (WRF-Chem) and a triple-nesting configuration over the Middle East and the Arabian Peninsula focusing on the hot desert climate of Qatar. …”
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  14. 554

    Concentrations of TSP-Bound Metals in Four Urban Residential Locations in Seoul, Korea by Hang Thi Nguyen, Chan Goo Park, Jin-A Kim, Je-Seung Lee, Jin-Hong Lee, Ki-Hyun Kim

    Published 2010-01-01
    “…Concentrations of 17 trace metals bound in total suspended particulate (TSP) were measured at four urban residential locations (Jong Ro [JR], Gwang Jin [GJ], Gang Seo [GS], and Yang Jae [YJ]) in Seoul, Korea from February to July 2009. …”
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  15. 555

    Characterization of isopropanol-enhanced Caesalpinia bonduc biodiesel blends: A sustainable strategy for decarbonization by D. Christopher selvam, Yuvarajan Devarajan, T. Raja

    Published 2025-03-01
    “…The resultant biodiesel formulations were augmented with isopropanol at proportions of 10% and 20% to enhance combustion efficiency and emissions characteristics.Experimental assessment of the formulations indicated notable enhancements in Brake Thermal Efficiency (BTE) alongside reductions in Brake-Specific Fuel Consumption (BSFC), coupled with substantial declines in carbon monoxide (CO), hydrocarbon (HC), and particulate emissions when juxtaposed with pure biodiesel. …”
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  16. 556

    Optimization of WEDM process parameters for machining hybrid composites (LM6/B4C/Fly Ash) by Jayavelu Udaya Prakash, Charles Sarala Rubi, Sunder Jebarose Juliyana, Sachin Salunkhe, Sachin Salunkhe, H. B. Özerkan, Lenka Cepova

    Published 2025-01-01
    “…IntroductionWire-electric discharge machining (WEDM) possesses multiple benefits over traditional production approaches; it allows for the precise processing of complex and rigid particulate-reinforced composite materials. Aluminium alloys have found widespread applications in surgical components, shipbuilding, aircraft, automobiles, and inhaling gas cylinders for scuba diving, due to its good strength, and light weight properties.MethodsThe main aim of this investigation is to optimize different process variables for LM6/B4C/Fly ash particle reinforced hybrid composites using WEDM to attain performance metrics such as maximum material removal rate (MRR) and minimal surface roughness (SR). …”
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  17. 557

    Microstructure and Mechanical Properties of Aluminum Cast Alloy A356 reinforced with Dual-Size B4C Particles by J. R. Chandrashekar, M. H. Annaiah, R. Chandrashekar

    Published 2021-06-01
    “…The paper details the studies carried out on a dual-size particulate composite prepared by stir casting using A 356 aluminum alloy and B4C powders. …”
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  18. 558

    Investigating Incursion of Transboundary Pollution into the Atmosphere of Dhaka, Bangladesh by Md. Masud Rana, Mastura Mahmud, Munjurul Hannan Khan, Bjarne Sivertsen, Norela Sulaiman

    Published 2016-01-01
    “…Concentrations of particulate matter (PM) in Dhaka, Bangladesh, during November 2013 to April 2014 were found 7-8 times higher than the World Health Organization (WHO) guideline value. …”
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  19. 559

    Associations Between Ambient PM<sub>2.5</sub> and Thyroid Hormones in Pregnant Persons in Puerto Rico by Trenton Honda, Trenton D. Henry, Laura Corlin, Kipruto Kirwa, Akram Alshawabkeh, Julia R. Varshavsky, Winston Kennedy, José F. Cordero, Carmen M. Velez Vega, Zaira Y. Rosario Pabon, John D. Meeker, Helen Suh

    Published 2025-01-01
    “…Introduction: This study investigates associations between fine particulate air pollution (PM<sub>2.5</sub>) exposure and thyroid hormone levels during pregnancy in Puerto Rican individuals, a vulnerable population facing socioeconomic and environmental disparities. …”
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  20. 560

    Determining the Factors Affecting Air Quality in Marmara, Turkey, and Assessing it Using Air Quality Indices by Ismet Yener, Kazım Onur Demirarslan

    Published 2022-07-01
    “…While anthropogenic variables mostly affected NOx (r=0.56 to 0.64) and O3 (r=-0.34 to 0.64), meteorological (r=-0.38 to 0.45) and spatial factors (r=-0.41 to -0.65) mostly affected particulate matter (PM2.5 and PM10). CO and SO2, on the other hand, were affected by all types of variables at varying directions and rates. …”
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