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541
Occupational exposures in low- and middle-income countries: A scoping review.
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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542
Air Pollution Exposure as a Relevant Risk Factor for Chronic Obstructive Pulmonary Disease Exacerbations in Male and Female Patients
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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543
Carbon Black Particle Exhibits Size Dependent Toxicity in Human Monocytes
Published 2014-01-01“…Increased levels of particulate air pollution are associated with increased respiratory and cardiovascular mortality and morbidity. …”
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544
Ambient Air Quality Monitoring in Metropolitan City of Lagos, Nigeria
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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545
Associations between Ozone and Emphysema: A Systematic Review and Meta-analysis
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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546
Dilution Ratio and Particle Loss Performance of a Newly Developed Ejector Porous Tube Diluter Compared to a Commercial Diluter
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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547
Effect of Cobalt Fillers on Polyurethane Segmentations Investigated by Synchrotron Small Angle X-Ray Scattering
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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548
Potential Risks of PM2.5 in Urban and Suburban Environments: A Dual Perspective on Chemical Constituents and Pollution Sources
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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549
Source Apportionment of PM10 by Positive Matrix Factorization in Urban Area of Mumbai, India
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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550
Traffic-related air pollutants (TRAP) in relation to respiratory symptoms among security guards
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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551
The Amazonian mangrove systems accumulate and release dissolved neodymium and hafnium to the oceans
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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552
Design and implementation of a solar powered kit for measurement and logging of environmental parameters using the SEN55 sensor
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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553
Assessment of High-resolution Local Emissions and Land-use in Air Quality Forecasting at an Urban, Coastal, Desert Environment
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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554
Concentrations of TSP-Bound Metals in Four Urban Residential Locations in Seoul, Korea
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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555
Characterization of isopropanol-enhanced Caesalpinia bonduc biodiesel blends: A sustainable strategy for decarbonization
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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556
Optimization of WEDM process parameters for machining hybrid composites (LM6/B4C/Fly Ash)
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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557
Microstructure and Mechanical Properties of Aluminum Cast Alloy A356 reinforced with Dual-Size B4C Particles
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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558
Investigating Incursion of Transboundary Pollution into the Atmosphere of Dhaka, Bangladesh
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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559
Associations Between Ambient PM<sub>2.5</sub> and Thyroid Hormones in Pregnant Persons in Puerto Rico
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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560
Determining the Factors Affecting Air Quality in Marmara, Turkey, and Assessing it Using Air Quality Indices
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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