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Dong-Ju Kim, Young-Suk You and Min-Young Sun
Offshore wind turbines (OWTs) are exposed to cyclic loads resulting from wind, waves, and rotor rotation. These loads can induce resonance, thereby significantly increasing the amplitude of the structure and accelerating the accumulation of fatigue damag...
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Hyun-Guk Kim, Dong-Geon Kim, Ryoon-Ho Do, Kyung-Rae Koo and Young-Joon Yu
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Young-Cheol Kim, Dong-Hyeop Kim and Sang-Woo Kim
To achieve the commercialization of electric vertical takeoff and landing (eVTOL) aircrafts, which have recently garnered attention as the next-generation means of transportation, objective certification based on rigorous procedures is essential. With th...
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Beung Sung Kim, Jong Soo Kim, Young Jin Seo, Tae Young Oh and Jeong-Dong Lee
Schisandra chinensis (Turcz.) Baill. has been traditionally used as a medicine for bronchial tube ailments in Northeast Asia. Recently, the demand for S. chinensis has increased for use as food and medicine because of the lignans found in its fruits. How...
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Kefala Taye Mekonnen, Dong-Hui Lee, Young-Gyu Cho, Ah-Yeong Son and Kang-Seok Seo
The biometric characterization of autochthonous Ethiopian chickens has not been fully investigated in the study area. In this study, we aimed to conduct biometric trait characterization and multivariate discriminant analysis of traditionally bred autocht...
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Thinh Huynh, Dong-Hun Lee and Young-Bok Kim
In this study, we propose and analyze three designs of a novel aerial system that aims for autonomous firefighting missions in the body or border of water areas. In such areas, it is difficult and even dangerous for human firefighters, and firefighting r...
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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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Jang Hyun Sung, Dong Ho Kang, Young-Ho Seo and Byung Sik Kim
In this study, we analyzed the characteristics of the heavy rainfall events that occurred in Seoul in 2022 and compared them with the projections of the representative concentration pathway (RCP). The analysis results indicated that climate change is ong...
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Ui-Jeong Lee, Sang-Jun Ahn, Dong-Young Choi, Sang-Min Chin and Dae-Sung Jang
As the usability of and demand for unmanned aerial vehicles (UAVs) have increased, it has become necessary to establish a UAS traffic management (UTM) system for efficient UAV operations at low altitudes. To avoid collisions with ground obstacles, other ...
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Da-Hee An, Dong-Chil Chang, Kwang-Soo Kim, Ji-Eun Lee, Young-Lok Cha, Jae-Hee Jeong, Ji-Bong Choi and Soo-Yeon Kim
As biochar improves soil fertility and crop productivity, there is a growing interest in it as a resource for sustainable agriculture. Miscanthus sacchariflorus has promising applications in various industries because it has a large amount of biomass. Ho...
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