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Myoung-Su Choi, Dong-Hun Han, Jun-Woo Choi and Min-Soo Kang
Sleep apnea has emerged as a significant health issue in modern society, with self-diagnosis and effective management becoming increasingly important. Among the most renowned methods for self-diagnosis, the STOP-BANG questionnaire is widely recognized as...
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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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Liquan Jing, Xunkang Wang, Yihan Zhao, Fan Li, Yu Su, Yang Cai, Fucheng Zhao, Guichun Dong, Lianxin Yang and Yunxia Wang
Duckweed growing in paddy fields (DGP) has substantially increased because of the effects of climate warming and/or eutrophication in irrigated water. Previous studies have primarily focused on investigating the effects of DGP as a nonchemical agent for ...
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Zheng Qiao, Dong Wang, Jiahui Xu, Xinbiao Pei, Wei Su, Dong Wang and Yue Bai
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Joo-Shin Park, Dong-Hun Lee and Myung-Su Yi
As interest in eco-friendly energy development continues to rise, the offshore wind turbine market is growing at a high rate of increase every year. In line with this, the demand for installation vessels with large capacity is also increasing rapidly. WT...
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Jung-Ryel Choi, Jang Hyun Sung, Dong-Ho Kang, Kyung-Su Choo and Byung-Sik Kim
Most of Korea?s precipitation is concentrated between June and September, and 65% of the country?s territory is covered with mountains, which means there is less time for rainfall to reach the surface. These hydrological characteristics pose challenges i...
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Min-Su Jo, Hyeong-Gook Kim, Dong-Hwan Kim, Jin-Hyeong Choi and Kil-Hee Kim
There has recently been growing interest in making a sustainable and durable fiber reinforced cementitious matrix (FRCM) to improve the seismic performance of RC column members. However, most studies evaluating the lateral confinement effect on FRCM jack...
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Yuefu Zhou, Wenlong Han, Dong Su and Xiangsheng Chen
The degree of soil nonuniformity consolidation varies continuously with the passage of consolidation time and is accompanied by nonlinear alterations in soil parameters. Existing theoretical models often assume a constant relationship between the paramet...
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Dong-Su Park, Mun-Beom Shin, Woo-Jin Park and Young-Kyo Seo
Seasonal frost or permafrost soils may encounter frost heave or thaw settlement resulting from atmospheric temperature changes and/or heat emanating from the resource-carrying pipeline. Notably, these soil movements can damage the pipeline. Thus, various...
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Dong Soo Seo, Joong Su Lee, Yong Chul Shin and Younghoon Jang
Chitosan, poly[ß-(1?4)-linked-2-amino-2-deoxy-d-glucose], is a polysaccharide with broad applications in various biomaterial and biomedical fields, primarily because of its nontoxicity. Because the biodegradable biopolymer chitosan can be catalyzed by th...
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