Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Kum-Chan Choi"'
Autor:
Sun-Ju Byun, Kum-Chan Choi
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 13, Iss 4, Pp 233-239 (2019)
In this study, PM10 and PM2.5 mass concentrations were investigated in Busan Metropolitan City on high pollution episode periods. PM10 and PM2.5 were collected from December 2013 to January 2015. The aerosol samples were collected during Asian dust s
Externí odkaz:
https://doaj.org/article/b30c97cfb37d475da314d0a952271074
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 1, Pp 26-32 (2010)
Concentrations of carbon monoxide (CO) in air were analyzed from seven urban roadside (U-RS) stations in Seoul, Korea over an 11-year period (1998-2008). As noticeable changes in CO levels coincided with the Natural Gas Vehicle Supply (NGVS) program
Externí odkaz:
https://doaj.org/article/2f1d6beab329413881e92b61f09bbfc4
Autor:
Hyun-Moo Shin, Jae-Hwan Cho, Seong-Ho Jang, Deok-Gi Lee, Woo Taik Lim, Jeong-Min Suh, Kum-Chan Choi
Publikováno v:
Journal of Environmental Science International. 27:349-358
Publikováno v:
Journal of Environmental Science International. 26:1297-1306
Autor:
Yu Mi Baek, Kum Chan Choi, Ahruem Baek, Nam Heo, Joo Yeon Kim, Dong-Eun Kim, Sunjoo Byeon, Jae Hwan Kwon
Publikováno v:
Bulletin of the Korean Chemical Society. 36:1322-1327
Particulate matter (PM) is one of the most common ambient air pollutants, which is derived from diesel engines, wildfires, yellow dust, and other combustion sources. Especially, PM with an aerodynamic diameter of
Publikováno v:
Journal of Korean Society of Occupational and Environmental Hygiene. 24:453-461
Autor:
Jeong-Ho Park, Sung-Chul Hong, Kyung-Ho Jin, Kum-Chan Choi, Jae-Hwan Cho, Moon-Sub Jung, Pyong-In Yi, Jeong-Min Suh, S. Sivakumar
Publikováno v:
Journal of Environmental Science International. 23:2045-2056
In this study, pressure drop was measured in the pulse jet bag filter without venturi on which 16 numbers of filter bags (O140 × 850 l) are installed according to operation condition(filtration velocity, inlet dust concentration, pulse pressure, and
Publikováno v:
Journal of Environmental Science International. 23:1627-1634
Odor control technology include absorption, adsorption, incineration and biological treatments. But, most of processes have some problems such as secondary organic acids discharge at the final odor treatment facility. In order to solve the problems f
Autor:
Chool-Jae Park, Jeong-Min Suh, Kum-Chan Choi, Woo Taik Lim, Pyong-In Yi, Moon-Sub Jung, Jeong-Ho Park
Publikováno v:
Journal of Environmental Science International. 22:1187-1197
The result of a small electrostatic precipitator which is in order to decrease indoor air pollution for optimal efficiency was shown as follows. Although the closer distance between the discharge electrode and dust collecting electrode shows the bett
Publikováno v:
Journal of Environmental Science International. 22:7-15
Aerosol characterization study for individual particle in Busan metropolitan industrial complex was carried out from December 2010 to August 2011. SEM(scanning electron microscope)-EDX(energy dispersive x-ray) analysis was used for the analysis of 60