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Nagyum Kim, Cheolpyo Hong, Changwoo Lee and Hyo-Min Cho
The purpose of this study was to create a Doppler ultrasound training phantom aimed at aiding beginners in comprehending and effectively utilizing critical parameters during the learning process. Our designed training phantom does not require the use of ...
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Yu-Hyeon Cho, Ju-Wook Baek, Sung-Uk An, Hyun-Ju Yoo, Hyun-Min Baek, Jin Young Choi, Tae Ha Kim, Kyung-Tae Kim, Jae Seong Lee and Sung-Han Kim
This study assessed the impact of intensive human activities on organic matter (OM) and heavy metal cycles in Shihwa Lake, South Korea. Sediment oxygen demand (SOD), benthic nutrient flux (BNF), and benthic heavy metal flux were estimated using in situ b...
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Dooyoul Lee, Hwanjeong Cho, Min-Saeng Kim and Kybeom Kwon
Airborne self-collisions occur primarily in military aircraft because of external stores and are frequently experienced by personnel operating these aircraft. In most cases, objects causing self-collisions are irregularly shaped and unstable. Consequentl...
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Dayoung Jung, Youngtae Choe, Jihun Shin, Eunche Kim, Gihong Min, Dongjun Kim, Mansu Cho, Chaekwan Lee, Kilyong Choi, Byung Lyul Woo and Wonho Yang
The 2014 Time-Use Survey of Statistics Korea revealed that office workers are increasingly spending more than eight hours at work. This study conducted an exposure assessment for office workers in Korea. Indoor and outdoor air pollutants were measured in...
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Ji-Hong Li, Hyungjoo Kang, Min-Gyu Kim, Mun-Jik Lee, Gun Rae Cho and Han-Sol Jin
In this paper, we present a 3D formation control scheme for a group of torpedo-type underactuated autonomous underwater vehicles (AUVs). These multiple AUVs combined with an unmanned surface vessel (USV) construct a sort of star-topology acoustic communi...
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Yoon-Ji Lee, Giphil Cho, Sangil Kim, Inseo Hwang, Seong-Oh Im, Hye-Min Park, Na-Yeong Kim, Myung-Joon Kim, Dasom Lee, Seok-Nam Kwak and Sang-Heon Lee
The Japanese sea lion (Z. japonicus) has been regarded as an extinct species since the last report on Dokdo in 1951. Not much ecological information on the Z. japonicus on Dokdo (hereafter Dokdo sea lion) is currently available. Using a discrete time sta...
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Dong-Il Chun, Jahyung Kim, Eun Myeong Kang, Chi Young An, Tae-Hong Min, Sangyoung Kim, Jaeho Cho, Young Yi and Sung Hun Won
This study aimed to investigate the relationship between diabetic foot ulcer and depression based on treatment methods employed, as evaluated according to Medicare claims data provided by the Health Insurance Review and Assessment Service (HIRA). Data on...
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Ji-Hong Li, Mun-Jik Lee, Hyungjoo Kang, Min-Gyu Kim and Gun Rae Cho
ROV trencher is a kind of ROV which trenches the sea floor using a specifically designed tool and buries the subsea cables and pipelines. According to the soil conditions, this trenching method can have two different types, one is mechanical cutting and ...
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Nam Chul Cho, Min Kyeong Jang and Il Kwon Huh
Bronze mirrors, considered important grave goods, were widely used before glass mirrors in ancient times. Most excavated bronze artifacts are covered with corrosive materials and lose their original colors. More importantly, identifying corrosion charact...
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Kyong Min Ro, Min Sook Kim, Chang Geun Cho and Young Hak Lee
In modular structures, prefabricated modular units are joined at the construction site. Modular structures must ensure splicing performance by connecting modular units sufficiently. The bolted connection using steel plates may suffer from alignment issue...
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