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F1 서킷 극한주행시험을 통한 알루미늄 알로이 휠의 동응력/변형률 계측 및 분석
이창수(Lee Chang Soo),박철순(Park Cheol Soon),박형배(Park Hyung Bae),정성필(Jung Sung Pil),정원선(Chung Won Sun) 한국소음진동공학회 2014 한국소음진동공학회 학술대회논문집 Vol.2014 No.10
It is generally known that the automotive road wheel involves the non-proportional multiaxial loading condition, therefore the measuring dynamic stress and strain in driving state is very important to predict an endurance characteristic of the automotive road wheel. In this study, the ultimate driving test using F1 circuit with respect to 2 kinds of velocity conditions have been carried out in order to measure dynamic stress, strain of the wheel and acceleration of a vehicle. Based on the measured results, the characteristics of dynamic stress generation have been analyzed, and factors which have effect on the dynamic stress generation have been studied.
박수연,나창수,정원철,이종철,Park, Soo-Yeon,Na, Chang-Su,Jeong, Won-Cheol,Lee, Jong-Cheol 대한한방안이비인후피부과학회 2012 한방안이비인후피부과학회지 Vol.25 No.3
Objective : The aim of this study is to find the therapeutic meaning of Pericarpium Granati and Cortex Betulae Platyphyllae in herbal medication. Methods : About the origin, the component, the processing the drug, the properties and tastes of drugs, the meridian tropism, the effects, the treating disease, the contraindication and the method of adminictration, I have researched 23 literatures and 10 disquisitions to mention the Pericarpium Granati and Cortex Betulae Platyphyllae. Result : 1. Pericarpium Granati is pericarp of mature fruit of The Pomegranate belongs to Punicaceae and Cortex Betulae Platyphyllae is bark of Betula platyphylla var. japonica (Miquel) Hara belongs to Betulaceae. 2. Pericarpium Granati consists of tannin 10.4~21.3%, lead 0.8%, resin 4.5%, mannitol 1.8%, sugar 2.7%, gum 3.2%, inulin 1.0%, musilage 0.6%, gallic acid 4.0%. Cortex Betulae Platyphyllae consists of betulin about 35%, various higher fatty acid about 35%, tannin about 7%. 3. The properties and taste of Pericarpium Granati is acid, astringency, warm, nontoxic and the meridian tropism is mainly stomach and large intestine meridian. The properties and taste of Cortex Betulae Platyphyllae is bitter, cold, nontoxic and the meridian tropism is mainly stomach meridian. 4. Pericarpium Granati has come into general use to treat roundworm, tapeworm, old diarrhea, anal prolapse, melena, metrorrhagia, leukorrhea, stomachache from worms, scabies etc. because it is effective on insecticiding, stopping diarrhea, controling hemorrhage and leukorrhea. Cortex Betulae Platyphyllae has come into general use to treat shigellosis, diarrhea, jaundice, cough, sputum, tonsillitis, pneumonia, nephritis, furuncle, prurigo, acne etc. because it is effective on cooling down heat, circulating humidity, removing phlegm, stopping cough, neutralizing poison. 5. Pericarpium Granati and Cortex Betulae Platyphyllae is useful method to external care. To use the herba, pulverize amount of property and then apply to the affected part. Conclusion : This study showed that Pericarpium Granati and Cortex Betulae Platyphyllae is useful herb to treat of skin disease and useful method to external care.
박수연,나창수,정원철,이종철,Park, Soo-Yeon,Na, Chang-Soo,Jeong, Won-Cheol,Lee, Jong-Cheol 대한한방안이비인후피부과학회 2013 한방안이비인후피부과학회지 Vol.26 No.3
Objective : The primary purpose of present study is to evaluate the effect of herbal cosmetics containing Cortex Betulae Platyphyllae extract complex on acne. The second is to comparatively evaluate safety of this cosmetics. Methods : We opened collecting of applicant that men and women(the 18~35-year-old) with acne on face. We selected subjects who came up to entire inclusion criteria and were not included in the exclusion criteria. We checked changes of Acne Global score, skin sebum, moisture, pores counts, Skindex-29 for 8 weeks. Results : 1. Comparison of changes in Global score, it declined in both experimental group and control group. But Experimental group showed a statistically significant decline than control group. 2. Comparison of changes in sebum and moisture, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. 3. Comparison of changes in erythema normal area, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. 4. Comparison of changes in pore counts, it increased statistically significantly in both experimental group and control group. 5. Comparison of changes in Skindex-29, it declined in both experimental group and control group. But there was no statistically significant difference between those two groups. Conclusion : Considering the above experiments, it is suggested that herbal cosmetics containing Cortex Betulae Platyphyllae extract complex have a positive effect on acne.
Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea
자연어 처리와 Diffusion 모델을 이용한 동화 장면 생성
김승주(Seung-ju Kim),정원철(Jeong-won cheol),박지호(Ji-ho Park),편수장(Soo-jang Pyeon),이동훈(Dong-Hoon Lee),고병철(Byoung Chul Ko) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
This paper proposes a system that uses a fine-tuned diffusion model to generate fairy tale images from text inputs for children. This system consists of three modules: a natural language processing module that converts mixed Korean and English texts into suitable prompts for the diffusion model, a text-to-image generation module that uses a pre-trained stable diffusion model with low-rank adaptation and negative prompts, and a mobile application that allows users to interact with the system through text inputs and displays the generated images. This paper evaluates the performance and usefulness of the system for text input and discusses the applications and limitations of the system.
주현수,김진,박종천,정원석,송현철,이용탁,이우범 國立麗水大學校 環境問題硏究所 2004 環境硏究論文集 Vol.6 No.-
We carried out a study on phytoplankton community at Owon stream, Jeollabukdo, Korea. The author have examined 83 taxa of the phytoplankton from researched area. These were composed of 5 classes, 11 orders, 21 families, 44 genera, 79 species, and 9 varieties. The composition of occurrence species were as follows: green algae are 48.2%, diatoms are 33.7%, blue green algae are 10.8% and etc(7.3%). Dominant species were Chlamydomonas angulosa, Pandorina morum, Coelastrum microporum, Scenedesmus quadricauda, Staurastrum gracile, Melosira varians, Me. italica, Synedra ulna, Sy. acus, Cocconeis placentula, and Cymbella tumida. The standing crops varied from 1,650cells/ℓ to 47,000cells/ℓ. Phytoplankton density of Owon stream were lower about 8.6 times to a 1,531 times than those of other lakes and rivers in Korea. So, to preserve the water quality in Owon stream we have to manage continuously on the nitrogen and phosphorus.
Ni 에 의한 비정질 실리콘의 저온 측면 결정화 속도향상 및 그 기구에 관한 연구
김광호,이병일,주승기,정원철,안평수,신진욱 대한금속재료학회(대한금속학회) 1997 대한금속·재료학회지 Vol.35 No.2
In order to increase the growth rate of Ni Metal Induced Lateral Crystallization(MILC) of amorphous Si which shows acceptable electrical properties. Pd thin films were deposited on amorphous Si with a distance to Ni deposited area. The shorter the space between the Ni and Pd films, the faster the rate of Ni MILC, and when the space was 60 ㎛ the growth rate was 7.5 ㎛/hr. Through TEM microstructural analysis and investigation on relationships between the space and growth rate the enhanced growth rate of Ni-MILC turned out to be due to stresses generated by the formation of Pd₂Si under/at Pd deposited area. Using Pd assisted. Ni-MILC method, 0.8 ㎛/hr of MILC growth rate could be obtained at the temperature as low as 450℃.