Zobrazeno 1 - 10
of 335
pro vyhledávání: '"Cheol-Woong Choi"'
Publikováno v:
IEEE Access, Vol 12, Pp 9138-9150 (2024)
This study proposes a novel method to compensate phase shift angle of dual active bridge (DAB) converters by considering the parasitic capacitance of SiC metal-oxide-semiconductor field-effect transistors (MOSFETs). In general, the DAB converter bidi
Externí odkaz:
https://doaj.org/article/67663fe7a7334f6d9872911565b508bb
Publikováno v:
Energies, Vol 17, Iss 19, p 4971 (2024)
The installed capacity of photovoltaic (PV) systems has increased significantly over the past few decades, and related technologies have advanced significantly. The electrical characteristics of a PV system change nonlinearly based on irradiation and
Externí odkaz:
https://doaj.org/article/b32c76a76bcd47259aca95d85a059761
Autor:
Kiyoun Yi, Gwang Ha Kim, Su Jin Kim, Cheol Woong Choi, Moon Won Lee, Bong Eun Lee, Geun Am Song
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-7 (2023)
Abstract Duodenal neuroendocrine tumors (d-NETs) ≤ 10 mm in size, confined to the submucosal layer, without lymph node or distant metastasis, can be treated safely and effectively by endoscopic management. However, most results are based on limited
Externí odkaz:
https://doaj.org/article/bf3b75e17b8f45629023e31a93ebc5cd
Autor:
Dae Gon Ryu, Cheol Woong Choi, Su Jin Kim, Chung Su Hwang, Dae Hwan Kang, Hyung Wook Kim, Su Bum Park, Bong Soo Son
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract Esophageal granular cell tumors (GCTs), the second most common subepithelial tumors (SETs) of the esophagus, are potentially malignant with no definite management guidelines available. We retrospectively enrolled 35 patients with endoscopica
Externí odkaz:
https://doaj.org/article/028302e32dae4d6d838cb62a2783aa95
Autor:
Peel Jung, Hyung Wook Kim, Su Bum Park, Dae Hwan Kang, Cheol Woong Choi, Su Jin Kim, Hyeong Seok Nam, Dae Gon Ryu, Dong Hoon Shin, Joo Young Na, Mi Sook Yun
Publikováno v:
The Korean Journal of Internal Medicine, Vol 38, Iss 3, Pp 349-361 (2023)
Background/Aims Some sessile serrated lesions (SSLs) progress into dysplasia and colorectal cancer, however, the clinical and endoscopic characteristics of SSLs with dysplasia remain to be determined. In this study, we elucidated these characteristic
Externí odkaz:
https://doaj.org/article/5430c16ac6cd4de89f58fbafae703198
Autor:
Dae Gon Ryu, Cheol Woong Choi
Publikováno v:
The Korean Journal of Helicobacter and Upper Gastrointestinal Research, Vol 23, Iss 1, Pp 7-14 (2023)
Indefinite-for-neoplasia is an expression used to describe lesions in which carcinoma or dysplasia cannot be clearly and conclusively established via biopsy. Gastric indefinite-for-neoplasia may represent a reactive change secondary to inflammation i
Externí odkaz:
https://doaj.org/article/42aa36c83b7b43c2b7915a74ac195953
Publikováno v:
The Korean Journal of Internal Medicine, Vol 38, Iss 1, Pp 139-140 (2023)
Externí odkaz:
https://doaj.org/article/c073ab059a7b425ca5621165cb1809d7
Autor:
Jong Suk Oh, Hyung Wook Kim, Su Bum Park, Dae Hwan Kang, Cheol Woong Choi, Su Jin Kim, Hyeong Seok Nam, Dae Gon Ryu
Publikováno v:
Clinical Endoscopy, Vol 56, Iss 1, Pp 119-124 (2023)
Inflammatory pseudotumor (IPT) is a rare benign tumor of unknown etiology that can occur in almost any organ system. It has neoplastic features such as local recurrence, invasive growth, and vascular invasion, leading to the possibility of malignant
Externí odkaz:
https://doaj.org/article/74157a9d99a0462fb0360d80938c85e0
Autor:
Jinook Jang, Cheol Woong Choi
Publikováno v:
The Korean Journal of Helicobacter and Upper Gastrointestinal Research, Vol 22, Iss 4, Pp 317-320 (2022)
Externí odkaz:
https://doaj.org/article/087daf0546c443c0a8fdb201fc9f8000
Publikováno v:
The Korean Journal of Helicobacter and Upper Gastrointestinal Research, Vol 23, Iss 1, Pp 73-75 (2023)
Externí odkaz:
https://doaj.org/article/46017c33319c47c0b3e22c0482d1c811