Zobrazeno 1 - 10
of 199
pro vyhledávání: '"Chul-Un Ro"'
Autor:
Seokhyun Ro, Jonghyeon Park, Hanjin Yoo, Changhee Han, Ahhyung Lee, Yoojin Lee, Minjeong Kim, Yeongcheol Han, Anders Svensson, Jinhwa Shin, Chul-Un Ro, Sungmin Hong
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Greenland ice core records exhibited 100-fold higher dust concentrations during the Last Glacial Maximum (LGM) than during the Holocene, and dust input temporal variability corresponded to different climate states in the LGM. While East Asia
Externí odkaz:
https://doaj.org/article/bdbb553b65a24707918d29b7722d0d8f
Autor:
Muhammad Saiful Islam Khan, Hanjin Yoo, Li Wu, Hayeong Lee, Minjeong Kim, Jonghyeon Park, Chul-Un Ro
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 16, Iss 4, Pp 1-10 (2022)
Abstract In this work, two single particle analytical techniques such as a quantitative energy-dispersive electron probe X-ray microanalysis (ED-EPMA), called low-Z particle EPMA, and attenuated total reflectance Fourier transform-Infrared (ATR-FTIR)
Externí odkaz:
https://doaj.org/article/4b7be48b26644ab8a13993e7ab62ff65
Autor:
Li Wu, Chul-Un Ro
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 14, Iss 3, Pp 177-209 (2020)
Studies on the hygroscopic properties of aerosol particles can provide critical insights into important aerosol properties such as (1) alteration of aerodynamic properties; (2) cloud-droplet nucleation efficiency; (3) optical properties; and (4) phys
Externí odkaz:
https://doaj.org/article/11f1d1cfc5ad4c70a1b59c09eece2978
Autor:
Li Wu, Chul-Un Ro
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 13, Iss 3, Pp 196-211 (2019)
Inorganic species such as ammonium sulfate (AS) and ammonium nitrate (AN), which significantly affect air quality, visibility degradation, and climate change, occupy 20-50% among ambient fine aerosol mass. In the present study, laboratory generated,
Externí odkaz:
https://doaj.org/article/b1eb72fc1b994a7babae7c24074a815d
Publikováno v:
Heritage Science, Vol 7, Iss 1, Pp 1-11 (2019)
Abstract To understand the effects of an acidic environment on the internal structure of sandstone from the Yungang Grottoes, Datong, China, the physicochemical properties of fresh and weathered sandstone samples and their compressional wave (P-wave)
Externí odkaz:
https://doaj.org/article/f6f75809756643ac800cc3563f123ec5
Publikováno v:
Molecules, Vol 24, Iss 7, p 1381 (2019)
For the forensic analysis of multi-layered paint chips of hit-and-run cars, detailed compositional analysis, including minor/trace chemical components in the multi-layered paint chips, is crucial for the potential credentials of the run-away car as t
Externí odkaz:
https://doaj.org/article/05a89ecc71c14d3a8fa8e2f8327be04d
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 6, Iss 2, Pp 83-95 (2012)
China has been a top producer and exporter of refined lead products in the world since the year 2000. After the phasing-out of leaded gasoline in the late 1990s, non-ferrous metallurgy and coal combustion have been identified as potential major sourc
Externí odkaz:
https://doaj.org/article/f8a773450ccf40a39c3a69aa34cf76a9
Autor:
HyeKyeong Kim, Chul-Un Ro
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 3, Pp 115-140 (2010)
Great concerns about atmospheric aerosols are attributed to their multiple roles to atmospheric processes. For example, atmospheric aerosols influence global climate, directly by scattering or absorbing solar radiations and indirectly by serving as c
Externí odkaz:
https://doaj.org/article/a616bf4635ea4335a549485fbd1974d7
Autor:
BoWha Kim, Hae-Jin Jung, Young-Chul Song, Mi-Jung Lee, HyeKyeong Kim, Jo-Chun Kim, Jongryeul Sohn, Chul-Un Ro
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 2, Pp 97-105 (2010)
A quantitative single particle analytical technique, denoted low-Z particle electron probe X-ray microanalysis (low-Z particle EPMA), was applied to characterize particulate matters collected at two underground subway stations, Jegidong and Yangje st
Externí odkaz:
https://doaj.org/article/9f5805725366445dba6470cccb4268a9
Autor:
Hanjin Yoo, Minjeong Kim, Yoojin Lee, Jonghyeon Park, Hayeong Lee, Young-Chul Song, Chul-Un Ro
Publikováno v:
Analytical Chemistry.