-
461
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. …”
Get full text
Article -
462
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. …”
Get full text
Article -
463
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. …”
Get full text
Article -
464
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. …”
Get full text
Article -
465
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. …”
Get full text
Article -
466
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. …”
Get full text
Article -
467
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. …”
Get full text
Article -
468
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. …”
Get full text
Article -
469
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. …”
Get full text
Article -
470
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). …”
Get full text
Article -
471
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. …”
Get full text
Article -
472
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. …”
Get full text
Article -
473
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. …”
Get full text
Article -
474
The Reproducibility of Indoor Air Pollution (IAP) Measurement: A Test Case for the Measurement of Key Air Pollutants from the Pan Frying of Fish Samples
Published 2014-01-01“…A total of 11 experiments were carried out to measure a list of key variables commonly used to represent indoor air pollution (IAP) indicators such as particulate matter (PM: PM1, PM2.5, PM10, and TSP) and a set of individual volatile organic compounds (VOCs) with some odor markers. …”
Get full text
Article -
475
Investigating Human Influence on Offshore Terrestrial Organic Carbon Trends in a High-Energy Delta: The Ayeyarwady Delta, Myanmar
Published 2025-01-01“…The continental margin is a major repository for organic carbon; however, anthropogenic alterations to global sediment and particulate terrestrial organic carbon (TerrOC) fluxes have reduced delivery by rivers and offshore burial in recent decades. …”
Get full text
Article -
476
Examining air pollution dynamics in Ploiesti: a focus on vehicular emissions
Published 2024-12-01“…The study analyses the seasonal variations in 2023 of air pollutants such as nitrogen dioxide (NO2), sulphur dioxide (SO2) and particulate matter (PM10), the impact of road traffic on air quality, as well as the monitoring measures according to the in force environmental legislation. …”
Get full text
Article -
477
Weak coupling of observed surface PM2.5 in Delhi-NCR with rice crop residue burning in Punjab and Haryana
Published 2025-01-01“…However, the concentration of fine particulate matter (PM2.5) remained stable in Delhi, while the fire detection counts (FDCs) from satellites over Punjab and Haryana declined by 50% or more during 2015–2023. …”
Get full text
Article -
478
Using Inverse Distance Weighting to Determine Spatial Distributions of Airborne Chemical Elements. Case Study: Douala, Cameroon
Published 2024-01-01“…Tree barks provide measurements of particulate concentration with an indication of the associated chemical composition. …”
Get full text
Article -
479
Atmospheric Polychlorinated Naphthalenes in a Tropical Megalopolis of Vietnam: Concentrations, Potential Sources, and Health Risk
Published 2024-06-01“…Gaseous PCNs dominated in both seasons, however, the contribution of particulate PCNs increased in the rainy season. Two typical homologue profiles were found in ambient air samples, including low-chlorinated PCNs (monoCNs > diCNs > triCNs) and medium-chlorinated PCNs (tetraCNs > triCNs). …”
Get full text
Article -
480
Short-Term Changes in Fertility Attributes and Soil Organic Matter Caused by the Addition of EM Bokashis in Two Tropical Soils
Published 2015-01-01“…The following fertility attributes were evaluated: pH, Ca2+, Mg2+, K+, Na+, P, SB, H + Al, CEC, and V. Particulate organic carbon (POC) and mineral-associated organic carbon (MOC) and total organic carbon (TOC) were also investigated. …”
Get full text
Article