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Kwan Kim, Moo-Keun Song, Su-Jin Lee, Dongsig Shin, Jeong Suh and Jong-Do Kim
With nuclear power plants worldwide approaching their design lifespans, plans for decommissioning nuclear power plants are increasing, and interest in decommissioning technology is growing. Laser cutting, which is suitable for high-speed cutting in under...
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Yadav Prasad Joshi, Eun-Hye Kim, Jong-Hun Kim, Ho Kim and Hae-Kwan Cheong
We assessed the association between climate factors and a number of aseptic meningitis cases in six metropolitan provinces of the Republic of Korea using a weekly number of cases from January 2002 to December 2012. Generalized linear quasi-Poisson models...
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Jong-Yul Kim, Hak-Man Kim, Seul-Ki Kim, Jin-Hong Jeon and Heung-Kwan Choi
Recently, interest in microgrids, which are composed of distributed generation (DG), distributed storage (DS), and loads, has been growing as a potentially effective clean energy system to mitigate against climate change. The microgrid is operated in the...
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Ji-Yoon Kim and Chae-Kwan Lim
The electronic publication market is growing along with the electronic commerce market. Electronic publishing companies use recommendation systems to increase sales to recommend various services to consumers. However, due to data sparsity, the recommenda...
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Geonwoo Kim, Hoonsoo Lee, Seung Hwan Wi and Byoung-Kwan Cho
Heat stress in particular can damage physiological processes, adaptation, cellular homeostasis, and yield of higher plants. Early detection of heat stress in leafy crops is critical for preventing extensive loss of crop productivity for global food secur...
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Ahmed Mehamed Oumer and Dae-Kwan Kim
Autonomous rendezvous and docking (RVD) fuel optimization with field-of-view and obstacle avoidance constraints is a nonlinear and nonconvex optimization problem, making it computationally intensive for onboard computation on CubeSats. This paper propose...
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Soung Woo Park, Jeong Hwan Kim and Jung Kwan Seo
Hydrogen is widely regarded as a key element of prospective energy solutions for alleviating environmental emission problems. However, hydrogen is classified as a high-risk gas because of its wide explosive range, high overpressure, low ignition energy, ...
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Jianwei Huang, Mei-Po Kwan and Junghwan Kim
This study extends an earlier study in the United States and South Korea on people?s privacy concerns for and acceptance of COVID-19 control measures that use individual-level georeferenced data (IGD). Using a new dataset collected via an online survey i...
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Junghwan Kim and Mei-Po Kwan
This paper examines people?s privacy concerns, perceptions of social benefits, and acceptance of various COVID-19 control measures that harness location information using data collected through an online survey in the U.S. and South Korea. The results in...
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Hyo-Gon Kim, Sung-Jo Yun, Young-Ho Choi, Jae-Kwan Ryu and Jin-Ho Suh
Recently, unmanned surface vehicles (USV) are being actively developed. For USVs to be put to practical use, it is necessary to secure safety by preventing collisions with general ships. To this end, USVs must avoid opposing vessels based on internationa...
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Young-Joong Ahn, Yong-Ung Yu and Jong-Kwan Kim
Fire and explosion accidents occur frequently in tankers because they transport large quantities of dangerous cargo. To prevent fire and explosion accidents, it is necessary to analyze factors that cause accidents and their effects. In this study, factor...
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Jong Kwan Kim
As high vessel traffic in fairways is likely to cause frequent marine accidents, understanding vessel traffic flow characteristics is necessary to prevent marine accidents in fairways. Therefore, this study conducted semi-continuous spatial statistical a...
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Yong-Ung Yu, Young-Joong Ahn and Jong-Kwan Kim
Owing to stricter environmental regulations of the International Maritime Organization (IMO) 2020, the demand of liquefied natural gas (LNG) bunkering is expected to grow by approximately 15% during 2020?2025 along with increased investments in eco-frien...
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Byeongkwon Jung, Jeong Hwan Kim and Jung Kwan Seo
Blast walls are installed on the topside of offshore structures to reduce the damage from fire and explosion accidents. The blast walls on production platforms such as floating production storage, offloading, and floating production units undergo fire an...
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Kwan Kyu Kim, Jaeheum Yeon, Hee Jun Lee and Jung Heum Yeon
This study experimentally investigated the dimensional stability of SBR (styrene butadiene rubber)-modified cementitious mixtures in order to determine whether their properties are sustainable as a 3D additive construction material. Dimensional stability...
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Sooyoun Nam, Kidae Kim, Sujin Jang, Jaeuk Lee, Shinwoo Gi, Minseok Kim, Jin Kwan Kim and Sukwoo Kim
Identifying potential sources of suspended sediment (SS) in headwater catchments is crucial for water quality management. To differentiate these potential SS sources, we investigated the distribution of two fallout radionuclides (FRNs), 137Cs and 210Pbex...
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Se Yun Jeong, Kwang Ho Lee, Jae Kwan Kim, Dohee Ahn, Hyemin Kim, Sang J. Chung, Sun-Young Yoon and Ki Hyun Kim
Ginkgo biloba L. (Ginkgoacea) contains an abundance of beneficial compounds and has demonstrated positive clinical effects in the management of metabolic syndrome. Recent studies have emphasized its efficacy against type 2 diabetes mellitus (T2DM), inclu...
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Laxmi Priya Sathiyavahisan, Aditya Lakshmi Narasimhan, Rendi Mahadi, Sangui Kim, Catherine Christabel, Hyoji Yu, Young-Eun Kim and You-Kwan Oh
Efficient induction of astaxanthin (AXT) biosynthesis remains a considerable challenge for the industrialization of the biorefinement of the microalga Haematococcus lacustris. In this study, we evaluated the technical feasibility of photosynthetic electr...
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Nakyeong Lee, Aditya Lakshmi Narasimhan, Gyuseop Moon, Young-Eun Kim, Myeonghwa Park, Bolam Kim, Rendi Mahadi, Sungwook Chung and You-Kwan Oh
Ionic liquids (ILs) are new green solvents, which are widely used in lignocellulosic and microalgal biorefineries. However, high-temperature operating conditions limit their application in the extraction of heat-labile algal products, such as bioactive a...
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Young-Joo Song, Young-Rok Kim, Jonghee Bae, Jae-ik Park, Seungbum Hong, Donghun Lee and Dae-Kwan Kim
Korea?s first lunar mission, the Korea Pathfinder Lunar Orbiter (KPLO), aims to launch in mid-2022 via the Space-X Falcon-9 launch vehicle. For the successful flight operation of KPLO, the Korea Aerospace Research Institute (KARI) has designed and develo...
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