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Hee-Seon Bang, Jong-Chan Kim, Bum-Su Go, Dong-Won Choi and Hyo-Sung Kim
Recently, for the high performance of automobiles, the application ratio of zinc-coated steel sheets with excellent corrosion resistance has been increasing. However, it is difficult to achieve sound welds, as porosities form from zinc during welding. In...
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Jong-Chan Baik, Youn-Kyung Choi, Hyeran Helen Jeon, Sung-Hun Kim, Seong-Sik Kim, Soo-Byung Park and Yong-Il Kim
Introduction: This retrospective study aimed to determine skeletal and dental changes after a growth spurt and shortly after treatment using a facemask in skeletal Class III malocclusion with maxillary deficiency. Methods: We retrospectively studied 50 p...
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Sung-Jo Yun, Hyo-Gon Kim, Jung-Woo Park, Hyo-Jun Lee, Jong-Chan Kim, Jeong-Hwan Hwang, Young-Ho Choi, Sin-Je Lee, Jae-Kwan Ryu, Jin-Ho Suh and Joon-Goo Park
Owing to environmental constraints, it is challenging to stably conduct various missions or surveys of the seabed for a prolonged period in the marine environment. To address this challenge, several devices and technologies are being developed. In this s...
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Hyun-Ung Bae, Kyoung-Ju Kim, Sang-Yun Park, Jeong-Jin Han, Jong-Chan Park and Nam-Hyoung Lim
In order to reduce the large damage caused by train derailment, protective facilities of various shapes and conditions can be installed on railroad tracks. These protective facilities are referred to as derailment containment provisions (DCPs) and three ...
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Siwen Zheng, Esrat Jahan Rupa, Mohan Chokkalingam, Xiangmin Piao, Yaxi Han, Jong Chan Ahn, Jinnatun Nahar, Byoung Man Kong, Gi Young Kwak, Jong Hak Kim, Deok Chun Yang, Se Chan Kang and Yingping Wang
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Su-Won Son, Jong-Chan Yoon and Jin-Man Kim
Global warming is becoming worse owing to carbon dioxide emissions around the world, and eco-friendly energy for reducing carbon dioxide emissions is gaining importance. Wind power plants are the most representative of the environmentally friendly energy...
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