Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Young-Kwan Ko"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
Electromagnetic signatures of a low observable aircraft have been studied in VHF band. First of all, a three-dimensional model of the aircraft has been established for numerical computation. Then, monostatic and bistatic radar cross sections (RCS) ha
Externí odkaz:
https://doaj.org/article/dd2e97793b9e4c92bc726f3b205535f0
Publikováno v:
Drones, Vol 8, Iss 6, p 230 (2024)
These days, many attempts are being made worldwide to use drones for food delivery. Especially in the case of food, fast delivery is required, while maintaining its temperature and taste to the maximum. Therefore, using drones is suitable for food de
Externí odkaz:
https://doaj.org/article/9bb1f927cbc249baa2c60f98b906142b
Publikováno v:
Vehicles, Vol 4, Iss 3, Pp 681-696 (2022)
The wireless charging electric tram system is presently receiving attention as an eco-friendly means of transportation. The conventional electric tram system has a similar advantage in regards to environmental pollution, but it has several problems t
Externí odkaz:
https://doaj.org/article/03c68f849bcc47a1ba69004e10fdbbf1
Autor:
Young Kwan Ko, Young Dae Ko
Publikováno v:
Energies, Vol 16, Iss 3, p 1100 (2023)
After overcoming COVID-19, the tourism demand around the world is on the rise again. At the same time, the interest in eco-friendliness is growing again, and efforts are being made to build an eco-friendly tourism ecosystem. In this study, assuming t
Externí odkaz:
https://doaj.org/article/0617f5a81f974589b6f0b44a3d19531e
Publikováno v:
Applied Sciences, Vol 12, Iss 20, p 10396 (2022)
Although the actual use of delivery robots like UGVs and UAVs has not yet been generalized, they are also used for additional purposes like fun and enjoyment in some limited areas such as tourist destinations. In this study, an optimal algorithm is p
Externí odkaz:
https://doaj.org/article/52eacbcf299b44108a2da052e7e5dcef
Autor:
Young Kwan Ko, Young Dae Ko
Publikováno v:
Journal of Hospitality and Tourism Studies. 25:1-14
Autor:
Young-Kwan Ko, Young Sook Kim, Aung Bo Bo, Jung-Sup Choi, Kyoung-Soo Jang, Hye Jin Kim, Kwang Min Cho, Botir Khaitov, Jae Deok Kim, Kee Woong Park
Publikováno v:
Journal of Agricultural and Food Chemistry. 68:15373-15380
Weeds are notorious plant species exhibiting a harmful impact on crops. Biological weed control is an efficient and environmentally friendly technique, usually constitutes naturally derived compounds, including bioherbicidal metabolites produced by S
Autor:
Hye Jin, Kim, Aung B, Bo, Jae Deok, Kim, Young Sook, Kim, Botir, Khaitov, Young-Kwan, Ko, Kwang Min, Cho, Kyoung-Soo, Jang, Kee Woong, Park, Jung-Sup, Choi
Publikováno v:
Journal of agricultural and food chemistry. 68(52)
Weeds are notorious plant species exhibiting a harmful impact on crops. Biological weed control is an efficient and environmentally friendly technique, usually constitutes naturally derived compounds, including bioherbicidal metabolites produced by
Autor:
Jong Hoon Kim, Bo Ram Lee, Ying Fang, Young Kwan Ko, Dong Hwan Park, Hee Nam Lim, Jae Young Choi, Ill Young Lee, Min Gu Park, Seok Hee Lee, Yeon Ho Je, Woo Jin Kim, Ahn Byung Hoon, Ra Mi Woo
Publikováno v:
Journal of Asia-Pacific Entomology. 21:130-133
Juvenile hormone antagonists (JHANs) are known to interfere with the formation of juvenile hormone (JH) receptor complex. JHANs might be effective for control of target pests in larval stages at which stages high level of endogenous JH titer is maint
Publikováno v:
Organic & Biomolecular Chemistry. 16:657-664
An efficient quinidine-based phase-transfer-catalyzed enantioselective cascade oxa-Michael-cyclization reaction of hydroxylamine with various β-carboxy-substituted α,β-unsaturated ketones has been achieved for the preparation of chiral carboxy-sub