Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Woon Shik Choi"'
Autor:
Woon-Shik Choi, Eun-Yeong Shin
Publikováno v:
Audiology and Speech Research. 18:203-212
Purpose: The purpose of this study was to investigate and analyze the use of the frequency modulation (FM) systems. The degree of speech perception in various school environment and participation in the class using the FM systems for hearing-impaired
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b10516288c6ed9f9f60a44a611da237
https://doi.org/10.21848/asr.220065
https://doi.org/10.21848/asr.220065
Publikováno v:
Light & Engineering. :123-135
LED masks have made a significant impact on the beauty care sector. These products use low level light therapy to treat damaged skin and encourage skin regeneration. However, there are no specific safety standards for LED masks. Therefore, consumers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfa3c0565e67d1a0206e78e4fb74367d
https://doi.org/10.33383/2021-030
https://doi.org/10.33383/2021-030
Autor:
Seong-Il Kim, Woon-Shik Choi
Publikováno v:
Journal of the Korean Institute of industrial educators. 46:69-91
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f179a4526a928764a28ad3a794ab5c68
https://doi.org/10.35140/kiiedu.2021.46.2.69
https://doi.org/10.35140/kiiedu.2021.46.2.69
Autor:
주은희 ( Eun-hee Ju ), 황선종 ( Sun-jong Hwang ), Seongil Kim, Woon Shik Choi, 강현종 ( Huyn-jong Kang ), Kim， KiSun
Publikováno v:
Journal of the Korean Institute of industrial educators. 43:158-176
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73a66eb42b90fdeff49a807dd8a5a0f3
https://doi.org/10.35140/kiiedu.2018.43.1.158
https://doi.org/10.35140/kiiedu.2018.43.1.158
Publikováno v:
Far East Journal of Electronics and Communications. :131-138
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b7cd94b6d9a4705019e08e5b062d67
https://doi.org/10.17654/ecsv216131
https://doi.org/10.17654/ecsv216131
Autor:
Woon-Shik Choi, Jin-Sa Kim
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 29:58-61
Degradation in power cables used in distribution lines to the material of the wire, manufacturing method, but also the line of the environment, generates a variety of degradation depending upon the type of load. The local wire deterioration weighted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d510daafe27b38f7691c7bb739785fad
https://doi.org/10.4313/jkem.2016.29.1.58
https://doi.org/10.4313/jkem.2016.29.1.58
Autor:
Woon Shik Choi
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 28:598-601
The thin films are deposited on Pt electrode() using RF sputtering method at various deposition temperature. The deposition temperature of optimum was . SBN thin films were annealed at using furnace and RTA, respectively. The surface roughness showed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f82c03122bab39312f189a9440e0a12a
https://doi.org/10.4313/jkem.2015.28.9.598
https://doi.org/10.4313/jkem.2015.28.9.598
Autor:
Woon-Shik Choi, Jae-Jun Park
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 25:798-804
This paper focuses on thermal properties of a newly prepared composite material by nano-silica and micro-silica mixture. Nano-silica and micro-silica mixture composites were made by dispersing surface treated nano-silica(average radius: 10 nm) and mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f8bf5a9eb4be47f26e7c553f5eba48
https://doi.org/10.4313/jkem.2012.25.10.798
https://doi.org/10.4313/jkem.2012.25.10.798
Autor:
Min-Jong Song, Woon-Shik Choi, Cheol-Gee Shin, Duck Kweon Bae, Yong-Cheul Oh, Jin-Sa Kim, Joon-Ung Lee, Min-Sun Pak, Chung-Hyeok Kim
Publikováno v:
Transactions on Electrical and Electronic Materials. 6:294-300
According to the trend for electric power equipment of high capacity and reduction of its size, the needs for the new high performance electric equipments become more and more important. On of the possible solution is high temperature superconducting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c23cb9c84fa716e1509475b81660f0b
https://doi.org/10.4313/teem.2005.6.6.294
https://doi.org/10.4313/teem.2005.6.6.294
Autor:
Y.C. Oh, Jin-Sa Kim, Woon-Shik Choi, C.N. Cho, Joon-Ung Lee, Chung-Hyeok Kim, Cheol-Gi Shin, Jin-Woong Hong
Publikováno v:
Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005)..
The A Sr/sub 0.7/Bi/sub 2.6/Ta/sub 2/O/sub 9/(SBT) thin films are deposited on Pt-coated electrode(Pt/TiO/sub 2//SiO/sub 2//Si) using RF magnetron sputtering method. The electrical properties of SBT capacitors with top electrodes were studied. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82320aefaaa5ed674d5ddf080ea09f35
https://doi.org/10.1109/iseim.2005.193439
https://doi.org/10.1109/iseim.2005.193439