Search Results - "Lee, Yoon Hwan"

Risk-informed approach for safety improvement of domestic research reactor by Lee, Yoon-Hwan

“…•Risk-informed approach for safety improvement for research reactor.•Improvement of the safety level of domestic research reactor.•Optimization of reactor…”
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Skin aging from mechanisms to interventions: focusing on dermal aging by Shin, Sun Hye, Lee, Yoon Hwan, Rho, Nark-Kyoung, Park, Kui Young

“…Skin aging is a multifaceted process that involves intrinsic and extrinsic mechanisms that lead to various structural and physiological changes in the skin…”
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A design-phase probabilistic safety assessment of a research reactor to enhance its safety by Lee, Yoon-Hwan

“…•The PSA methodology is very effective in improving reactor safety in a conceptual design phase.•Risk-informed design (RID) is highly suitable way to find the…”
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Effects of a change in the design of cooling water injection on risk reduction in a beam tube rupture by Lee, Yoon-Hwan, Jang, Seung-Cheol

“…•Newly proposed design for the injection of the cooling water in response to the beam tube ruptures.•The risk reduction from the proposed change of cooling…”
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Therapeutic Performance of Needle Injection Versus Needle-Free Jet Injector System for Polynucleotide Filler in Skin Rejuvenation by Hong, Ji Yeon, Lee, Yoon Hwan, Kim, Hyun-Jo, Park, Kui Young

“…Polynucleotide (PN) filler often causes pain and can lead to delivery inaccuracies when applied via intradermal injection using a traditional needle. To…”
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Introduction to an open source internet-based testing program for medical student examinations by Lee, Yoon-Hwan

“…The author developed a freely available open source internet-based testing program for medical examination. PHP and Java script were used as the programming…”
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Endoscope-Assisted Transoral Fixation of Mandibular Condyle Fractures: Submandibular Versus Transoral Endoscopic Approach by Hwang, Na-Hyun, Lee, Yoon-Hwan, You, Hi-Jin, Yoon, Eul-Sik, Kim, Deok-Woo

“…In recent years, endoscope-assisted transoral approach for condylar fracture treatment has attracted much attention. However, the surgical approach is…”
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Development of a new quantification method for a fire PSA by Jung, Woo Sik, Lee, Yoon-Hwan, Yang, Joon-Eon

“…For an internal fire analysis, fire scenarios are developed carefully and quantified in a sequential and iterative way in a traditional fire Probabilistic…”
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A study on the effects of ESFAS STI modification on the unavailability of ESF actuated components by Lee, Yoon-Hwan, Jang, Seung-Cheol, Lee, Jin-Hong

“…The nuclear industry has made so great efforts to attain safe and economically viable Nuclear Power Plants all over the world. Probabilistic Safety Assessment…”
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Importance of location dependencies such as cable and pipe runs when identifying the vital areas by Lee, Yoon-Hwan, Jung, Woo Sik, Lee, Jin-Hong

“…► This study is to identify the importance of cable and pipe runs when identifying the vital areas. ► The KAERI's VAI methodology was applied to the vital area…”
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Application of the CFAST zone model to the Fire PSA by Lee, Yoon-Hwan, Kim, Jong-Hoon, Yang, Joon-Eon

“…The integrity of the cables located in the target room is very important in the Fire PSA, because the CDF and CCDP are changed according to the results of a…”
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Estimation of an examinee's ability in the web-based computerized adaptive testing program IRT-CAT by Lee, Yoon-Hwan, Park, Jung-Ho, Park, In-Yong

“…We developed a program to estimate an examinee s ability in order to provide freely available access to a web-based computerized adaptive testing (CAT)…”
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The Effects of Exfoliated Nano-clay on the Extrusion Microcellular Foaming of Amorphous and Crystalline Nylon by Zheng, Wenge, Lee, Yoon Hwan, Park, Chul B.

“…This article demonstrates the effect of exfoliated nano-clay on the microcellular foam processing of amorphous and crystalline nylon. Amorphous and crystalline…”
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HDPE-Clay Nanocomposite Foams Blown with Supercritical CO2 by Lee, Yoon Hwan, Park, Chul B., Wang, Ki Hyun, Lee, Min Hee

“…To investigate the effect of clay particles on the cell morphology of HDPE-clay nanocomposite foams, research on the batch foaming process of HDPE-clay…”
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Performance Analyses for a Cyclone Type Filter by Kim, Hyoung-June, Takei, Masahiro, Lee, Hyun Jin, Lee, Yeon Won, Choi, Yoon Hwan, Doh, Deog-Hee

“…Flow characteristics inside a cyclone filter were investigated by the use of computational fluid dynamics （CFD）. For computations, SST model was adopted…”
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Foaming of wood flour/polyolefin/layered silicate composites by Lee, Yoon Hwan (Kevin)

“…This research provides a new insight on various properties, such as rheological, mechanical, and flame-retarding properties, as well as the foaming behaviors…”
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Correlations between the scores of computerized adaptive testing, paper and pencil tests, and the Korean Medical Licensing Examination by Kim, Mee Young, Lee, Yoon Hwan, Huh, Sun

“…To evaluate the usefulness of computerized adaptive testing (CAT) in medical school, the General Examination for senior medical students was administered as a…”
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Periosteal chondroma of the proximal phalanx of the thumb by Shimpuku, Eiji, Lee, Yoon Hwan, Oka, Yoshinori

“…A 52-year-old man presented with a periosteal chondroma in the base of the proximal phalanx of the right thumb. Magnetic resonance imaging (MRI) showed…”
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Polyethylene/clay nanocomposite foams blown with physical blowing agents (PBA): From microcellular to nanocellular by Lee, Yoon Hwan (Kevin)

“…In order to investigate the effect of clay particles on the cellular structure of polyethylene (PE) foam with different clay contents and to confirm the…”
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Predictors of Institutionalization in Patients with Alzheimer's Disease in South Korea by Park, Dong Gyu, Lee, Soojin, Moon, Young Min, Na, Duk L, Jeong, Ji Hyang, Park, Kyung Won, Lee, Yoon Hwan, Lim, Tae Sung, Choi, Seong Hye, Moon, So Young

“…We investigated predictors of institutionalization in patients with Alzheimer's disease (AD) in South Korea. In total, 2,470 patients with AD aged 74.5±7.8…”
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