Zobrazeno 1 - 10 of 351 pro vyhledávání: '"Dongil Choi"'
1
Akademický článek
Optimal Design of a Compound Planetary Reducer Using a Nonlinear Optimization Method
Autor: Seongyong Hur, David Kim, Chaehyun Lee, Dongil Choi
Publikováno v: IEEE Access, Vol 11, Pp 7822-7828 (2023)
The growth of the robotics industry has led to rising demand for reducers that increase torque efficiently while reducing motor speed. Among them, compound planetary reducers can be effectively used in robots because they can achieve high gear ratios
Externí odkaz: https://doaj.org/article/929e2ba28bf94fc8ac52bbfbae40cd8c
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2
Akademický článek
Development of Open-Source Motor Controller Framework for Robotic Applications
Autor: Dongil Choi
Publikováno v: IEEE Access, Vol 8, Pp 14134-14145 (2020)
Open-source designs are being increasingly used to develop robot hardware. When motor actuators were used for robot development in the past, it was difficult to find cost-effective commercial products. Open-source motor controllers, recently develope
Externí odkaz: https://doaj.org/article/97515c61222a47a68de64a3b77225256
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3
Akademický článek
Optimization Framework for Temporal Interference Current Tibial Nerve Stimulation in Tibial Nerves Based on In-Silico Studies
Autor: Eunseon Kim, Eunbi Ye, Jiho Lee, Taekyung Kim, Dongil Choi, Kyusung Lee, Sungmin Park
Publikováno v: Applied Sciences, Vol 13, Iss 4, p 2430 (2023)
Compared to the existing noninvasive methods, temporal interference (TI) current stimulation is an emerging noninvasive neuromodulation technique that can improve the ability to focus an electrical field on a target nerve. Induced TI field distributi
Externí odkaz: https://doaj.org/article/2db53af4a4e847a2bbbc4e4eb27f330d
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4
Effect of changing the lying posture angle by changing the bed posture on the average pressure, maximum pressure, and pressure area in the hip region
Autor: Sung Shin, Kim, Jun Sik, Park, Dongil, Choi, Yumi, Shin, Kyeyeob, Jo, Youngkyung, Kim, Sun Ok, Kim, Hyosun, Kweon, Anna, Lee, Young-Hyeon, Bae
Publikováno v: Technology and Health Care. 31:943-954
BACKGROUND: An electric bed can easily change posture from a lying position and was effective in preventing pressure ulcer. OBJECTIVE: This study aimed to identify the optimal posture for the prevention of pressure ulcers by analyzing pressure change
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::39981ab66803d7d32363b04e46ad34ba
https://doi.org/10.3233/thc-220376
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5
Akademický článek
Active contour configuration model for estimating the posterior ablative margin in image fusion of real-time ultrasound and 3D ultrasound or magnetic resonance images for radiofrequency ablation: an experimental study
Autor: Junkyo Lee, Min Woo Lee, Dongil Choi, Dong Ik Cha, Sunyoung Lee, Tae Wook Kang, Jehoon Yang, Jaemoon Jo, Won-Chul Bang, Jongsik Kim, Dongkuk Shin
Publikováno v: Ultrasonography, Vol 37, Iss 4, Pp 337-344 (2018)
Purpose The purpose of this study was to evaluate the accuracy of an active contour model for estimating the posterior ablative margin in images obtained by the fusion of real-time ultrasonography (US) and 3-dimensional (3D) US or magnetic resonance
Externí odkaz: https://doaj.org/article/6c0043390a1447d5903889e794e2038a
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6
Synthetic Study of Dragmacidin E: Enantioselective Construction of the Seven-Membered Ring-Fused Indole Skeleton with Contiguous Stereocenters
Autor: Dongil Choi, Noa Takahashi, Haruka Maruoka, Shingo Harada, Alina Nastke, Harald Gröger, Tetsuhiro Nemoto
We developed an enantioselective synthetic method of constructing a seven-membered ring-fused indole skeleton with contiguous stereocenters for the synthesis of dragmacidin E. Introduction of chirality at the benzylic position was achieved by Ir-cata
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f7f0a95a23782a5451134cfdda44566
https://doi.org/10.1021/acs.joc.2c02216
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8
Akademický článek
Growth rate of early-stage hepatocellular carcinoma in patients with chronic liver disease
Autor: Chansik An, Youn Ah Choi, Dongil Choi, Yong Han Paik, Sang Hoon Ahn, Myeong-Jin Kim, Seung Woon Paik, Kwang-Hyub Han, Mi-Suk Park
Publikováno v: Clinical and Molecular Hepatology, Vol 21, Iss 3, Pp 279-286 (2015)
Background/AimsThe goal of this study was to estimate the growth rate of hepatocellular carcinoma (HCC) and identify the host factors that significantly affect this rate.MethodsPatients with early-stage HCC (n=175) who underwent two or more serial dy
Externí odkaz: https://doaj.org/article/86711c427f4e4d10a7293865f9a745d5
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10
Prediction of epithelial-to-mesenchymal transition molecular subtype using CT in gastric cancer
Autor: Won Ki Kang, Seung Tae Kim, Jeeyun Lee, Jae-Hun Kim, Jung Yong Hong, Seonwoo Kim, Kyoung-Mee Kim, Woo Kyoung Jeong, Dong Ik Cha, Dongil Choi
Publikováno v: European Radiology. 32:1-11
To develop a prediction model with computed tomography (CT) images and to build a nomogram incorporating known clinicopathologic variables for individualized estimation of epithelial-to-mesenchymal transition (EMT) subtype gastric cancer. Patients wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68b758d0a09ae6b76c7ed1f3d9f224aa
https://doi.org/10.1007/s00330-021-08094-3
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