Zobrazeno 1 - 10
of 359
pro vyhledávání: '"Jin-Soo Choi"'
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 285, Iss , Pp 117024- (2024)
Polyethylene terephthalate (PET) fibers are contaminated in wastewater from various primary sources, such as washing textile waters. PET fibers in the environment can be degraded into microfibers because of weathering processes such as sunlight, phys
Externí odkaz:
https://doaj.org/article/6b42e7c2bb584124b778b7dd64929b5b
Autor:
Ruijun Dang, Daniel J. Jacob, Shixian Zhai, Pierre Coheur, Lieven Clarisse, Martin VanDamme, Drew C. Pendergrass, Jin‐soo Choi, Jin‐soo Park, Zirui Liu, Hong Liao
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 24, Pp n/a-n/a (2023)
Abstract Particulate nitrate is a major component of fine particulate matter (PM2.5). Its formation may be varyingly sensitive to emissions of ammonia (NH3), nitrogen oxides (NOx ≡ NO + NO2), and volatile organic compounds (VOCs), depending on loca
Externí odkaz:
https://doaj.org/article/0299771f4cfe4cfe82ad0633ff57a0f0
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 1, Pp 1-9 (2023)
This paper presents a measurement method for the shielding effectiveness (SE) of a personal computer (PC) case using three-axis electrooptic sensors and a vector network analyzer (VNA). The SE is obtained by taking the difference between the logarith
Externí odkaz:
https://doaj.org/article/db0879d1b3124284ab2df4a3a97be49c
Autor:
Seung Hun Cha, Jin Soo Choi, Jiheon Ryu, Hae-ok Kwon, Sang-min Lee, Dong-Hee Son, Young Joong Yoon
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 22, Iss 5, Pp 537-543 (2022)
In this paper, a novel helical antenna for high-power microwave is proposed. The proposed antenna is intended to demonstrate improved power handling capacity without any deterioration in matching characteristics, gain, and axial ratio. The proposed a
Externí odkaz:
https://doaj.org/article/ca54f8dd87ed41f7b820a3a450f19188
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 243, Iss , Pp 113962- (2022)
This study aimed to examine the impact of chronic (30 days) exposure to polystyrene microplastics (PS-MPs) of different sizes (50 nm and 2 µm) and at different concentrations (0.5 μg/L and 100 mg/L) to marine copepod Tigriopus japonicus. Polystyren
Externí odkaz:
https://doaj.org/article/00fbde560a9e49ee899dadae00f5acbc
Publikováno v:
Sensors, Vol 23, Iss 5, p 2631 (2023)
As the demands of various network-dependent services such as Internet of things (IoT) applications, autonomous driving, and augmented and virtual reality (AR/VR) increase, the fifthgeneration (5G) network is expected to become a key communication tec
Externí odkaz:
https://doaj.org/article/8b331e063e494e9883eefa52f3efab7f
Publikováno v:
IEEE Access, Vol 7, Pp 174764-174773 (2019)
This paper presents an investigation of the electromagnetic signature and the coupling mechanism of quadcopter drones with incident electromagnetic (EM) wave and radar cross section (RCS) analysis. Coupling analysis is performed based on the dominant
Externí odkaz:
https://doaj.org/article/1a60f92f80ed466c855b354ad05a11ce
Autor:
Ho-Young Lee, Nam-Kyu Kim, Min-Jae Jo, Sang-Jin Lee, Jin-Soo Choi, Kyeong-Sik Kang, Sung-Deuk Choi
Publikováno v:
Journal of Korean Society for Atmospheric Environment. 38:524-541
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2270b9f0ca5d2cd19a32385eadcda6d0
https://doi.org/10.5572/kosae.2022.38.4.524
https://doi.org/10.5572/kosae.2022.38.4.524
Autor:
Shixian Zhai, Daniel J. Jacob, Drew C. Pendergrass, Nadia K. Colombi, Viral Shah, Laura Hyesung Yang, Qiang Zhang, Shuxiao Wang, Hwajin Kim, Yele Sun, Jin-Soo Choi, Jin-Soo Park, Gan Luo, Fangqun Yu, Jung-Hun Woo, Younha Kim, Jack E. Dibb, Taehyoung Lee, Jin-Seok Han, Bruce E. Anderson, Ke Li, Hong Liao
Publikováno v:
eISSN
Coarse particulate matter (PM) is a serious air pollution problem in East Asia. Analysis of air quality network observations in the North China Plain and the Seoul Metropolitan Area shows that it is mainly anthropogenic and has decreased by 21% over
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34397b425badf8f29dd30dee4b23e8c2
https://pure.iiasa.ac.at/id/eprint/18776/
https://pure.iiasa.ac.at/id/eprint/18776/
Autor:
Jin Soo Choi, Shawn Loewen
Publikováno v:
TESOL Quarterly. 56:1384-1396
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::351b8686e9b9c271050b9e5a59e94219
https://doi.org/10.1002/tesq.3136
https://doi.org/10.1002/tesq.3136