Results 1 to 10 of about 13,002,187 (306)
Analysis of Changes and Statistical Characteristics in PM-2.5 based on the Seasonal Management Data [PDF]
대한환경공학회지, 2022 Objectives This study aims to identify the changes and statistical characteristics of the observed concentration data of fine particles (PM-2.5), one of the air environment indicators, and to analyze the variability of observation data in South Korea ...
Hyunjun Ahn +4 more
doaj +1 more source
Mercury Exposure in Artisanal and Small-Scale Gold Mining Communities in Sukabumi, Indonesia [PDF]
Journal of Health and Pollution, 2020 Background. Artisanal and small-scale gold mining (ASGM) is one of the largest sources of mercury (Hg) pollution in Indonesia. In West Java Province, ASGM is found in Bogor, Cianjur, and Sukabumi Regencies. Objectives. The present study aimed to evaluate
Alfonsus H. Harianja +6 more
doaj +1 more source
Seasonal and regional variations of atmospheric ammonia across the South Korean Peninsula
Asian Journal of Atmospheric Environment, 2023 This study aimed to identify the factors causing NH3 emissions in the South Korean Peninsula and West Sea region. To analyze the trends of NH3 and other air pollutants, such as NOx, CO, and NR-PM1, we collected samples from six supersites across the ...
Taehyun Park +24 more
doaj +1 more source
Combination of UV radiation with 3D structure media filter for indoor air disinfection [PDF]
E3S Web of Conferences, 2022 The ongoing COVID-19 pandemic made us re-realize the importance of environmental disinfection in indoor areas. Several studies have documented that the air purification system combining UV light and high-efficiency particulate air (HEPA) filtration can ...
Liu Jiatao +3 more
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Variation of Indoor Airflow Patterns under Dynamic Outdoor Wind Conditions in Large Space Naturally Ventilated Buildings [PDF]
E3S Web of Conferences, 2022 Understanding Indoor Airflow Patterns (IAPs) helps control air contaminants in large naturally ventilated buildings (NVBs). However, the effect of random and unpredictable changes in outdoor wind conditions (OWC) is a major contributor to the variation ...
Lv Yuling +3 more
doaj +1 more source
Asian Journal of Atmospheric Environment, 2023 Among countries that are a part of the Organization for Economic Co-operation and Development, South Korea is the most exposed to PM2.5. Despite the country having implemented various strategies to limit PM2.5 emissions, its concentrations are still high
Kyucheol Hwang +12 more
doaj +1 more source
A novel design of dehumidifier system in underground pumped storage power station [PDF]
E3S Web of Conferences, 2022 The heavy water condensation problem has led to safety concern for the workers and electrical facilities in the underground pumped storage power station.
Yao Huimin +3 more
doaj +1 more source
Asian Journal of Atmospheric Environment, 2021 We conducted spatiotemporal assessments of ozone in South Korea from 1990–2020 to evaluate trends and compare changes in compliance based on South Korean, US, and EU standards.
Jeonghwan Kim +6 more
doaj +1 more source
Understanding Ozone Formation and Carbonyl Contributions in the Seoul Metropolitan Area
Aerosol and Air Quality Research, 2023 With strong air quality policies in place in China and South Korea in recent years, it is important to understand the changing situation to address the increasing surface ozone problem in Korea. We revisited the ozone formation condition and investigated
Seung-Ha Lee +11 more
doaj +1 more source
Aerosol and Air Quality Research, 2023 To understand inhalation health risks at home, a comprehensive sampling campaign was conducted in a Hong Kong residential apartment from October to December 2019.
Lewei Zeng +11 more
doaj +1 more source