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Jeong Sun Park, Keon Hee Lee, Min Jee Kim, Deuk-Soo Choi, Kyeong-Yeoll Lee, Tariku Tesfaye Edosa, Teshale Daba Dinka, Woori Kwak and Iksoo Kim
The fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera: Noctuidae), is native to tropical and subtropical regions of the Western Hemisphere, but is now regularly appearing in crop fields across South Korea, particularly in corn fields. Therefore, it...
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Eka Oktavia Kurniati and Hee-Jeong Kim
Industrial secondary products (e.g., fly ash, blast furnace slag, and silica fume) have found extensive application as alternative construction materials in conventional manufacturing methods to reduce carbon emissions due to cement usage and solve the w...
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Yu-Jeong Lee, Sang-Hee Kim, Ji-Hye Ryu and Kweon-Hyoung Lee
The world is emphasizing the need for building design that considers energy performance to deal with climate problems. South Korea has constantly been tightening the design standards for saving building energy but with a focus on thermal performance and ...
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Hong Je-Gal, Seung-Jin Lee, Jeong-Hyun Yoon, Hyun-Suk Lee, Jung-Hee Yang and Sewon Kim
Ensuring operational reliability in machinery requires accurate fault detection. While time-domain vibration pulsation signals are intuitive for pattern recognition and feature extraction, downsampling can reduce analytical complexity, but may result in ...
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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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Aron Park, Se-Hee Kang, Byeong-Hee Kang, Sreeparna Chowdhury, Seo-Young Shin, Won-Ho Lee, Jeong-Dong Lee, Sungwoo Lee, Yu-Mi Choi and Bo-Keun Ha
Trypsin inhibitors (TIs) in soybean seeds reduce the availability of processed soybean foods and animal feed. This study aimed to evaluate the trypsin inhibitor activity (TIA) in 999 Korean soybean accessions and conduct molecular characterization of soy...
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Jeong-Geun Kim and Kang-Hee Lee
In this paper, a 4-bit digital step attenuator using 0.25 µm GaN HEMT technology for wideband radar systems is presented. A switched-path attenuator topology with resistive T-type attenuators and double-pole double-throw (DPDT) switches was used to achie...
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Kyung-Hee Kim, Kitae Song, Jeong-Min Park, Jae-Yoon Kim and Byung-Moo Lee
Few studies have reported on the flowering time mechanism of tropical maize under short-day conditions. Drought, another important factor that affects flowering time, has been reported to delay the silking date in tropical maize. However, due to the lack...
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Duck Young Yoon and Jeong Hee Park
Vibration analysis using the component mode method has been less popular than before, since computers are powerful enough to solve complicated structures by a single large finite model. However, many structural engineers designing local structures on a s...
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Yeong-Bae Kim, Hyun-Jae Jeong, Shin-Mu Park, Jae Hyuk Lim and Hoon-Hee Lee
In this paper, a method for predicting the landing stability of a lunar lander by a classification map of the landing stability is proposed, considering the soft soil characteristics and the slope angle of the lunar surface. First, the landing stability ...
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