Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Chang Young Choi"'
Publikováno v:
Molecules, Vol 14, Iss 5, Pp 1840-1851 (2009)
Several new acyclic ammonium-TFSI ionic liquids with an allyl substituent(s) were synthesized and their physicochemical and electrochemical properties were characterized. [AAMM]Am-TFSI (3) with two allyl groups showed the widest electrochemical stabi
Externí odkaz:
https://doaj.org/article/f883dbd542774be9ab3ae81acd92459e
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract This study comprehensively investigated clinical outcomes associated with renin angiotensin system inhibitor-based dual antihypertensive regimens in non-dialysis chronic kidney disease (CKD) patients. Keyword searches of databases were perfo
Externí odkaz:
https://doaj.org/article/d81b539b9e15478a98c2b433bea1e5fd
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0253469 (2021)
The endangered Black-faced Spoonbill (Platalea minor) strictly breeds in marine environments and is threatened by the rapid loss of coastal wetlands within its breeding range. Adults with chicks are thought to gradually switch feeding sites from fres
Externí odkaz:
https://doaj.org/article/7fc2403e7e824a38a29f8fce9c76c747
Autor:
Koung Im Park, Chang Young Choi
Publikováno v:
The Journal of Society for Humanities Studies in East Asia. 62:207-234
Autor:
Cho, Jin-Su Ha, Ji-Woo Hong, Ji-Wook Kim, Soo-Bin Han, Chang-Young Choi, Hye-Jin Song, Jin-Seok Jang, Dong-Yul Kim, Dae-Cheol Ko, Seong-Hoon Yi, Yong-Jae
Publikováno v:
Materials; Volume 16; Issue 12; Pages: 4225
This study examines the impacts of copper and boron in parts per million (ppm) on the microstructure and mechanical properties of spheroidal graphite cast iron (SCI). Boron’s inclusion increases the ferrite content whereas copper augments the stabi
Autor:
Jin-Su Ha, Ji-Woo Hong, Ji-Wook Kim, Soo-Bin Han, Chang-Young Choi, Hye-Jin Song, Jin-Seok Jang, Dong-Yul Kim, Dae-Cheol Ko, Seong-Hoon Yi, Yong-Jae Cho
This study investigated the impact of boron and copper on the microstructure and mechanical properties of Spheroidal graphite Cast Iron (SCI). The addition of boron increased the ferrite content, while copper increased the stability of pearlite. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d07a30fe40f5b6e3ed5e024a35ef888
https://doi.org/10.20944/preprints202305.0614.v1
https://doi.org/10.20944/preprints202305.0614.v1
Autor:
Jaewook Lee, Chang-Young Choi, Ji-Heon Kang, Jin-Seok Jang, Sung-Yong Kim, Kun-Woo Kim, Hyun-Gyu Park
Publikováno v:
Textile Research Journal. 91:1957-1973
In this study, the nonlinear unwinding behavior of cables in a transient state wound in a cylindrical spool package was analyzed using unwinding dynamics. In previous studies, investigations were conducted using constant unwinding velocity. However,
Publikováno v:
The Korean Society of Manufacturing Process Engineers. 19:36-43
Publikováno v:
Journal of Mechanical Science and Technology. 34:3545-3552
Various mechanical and structural systems possess slope discontinuity. Some bodies with slope discontinuity can be modeled using absolute nodal coordinate formulation, which can accurately express the rigid body mode when using the element and global
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers - A. 44:581-588