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이론적인 시트-인체 모델과 실차시험을 이용한 차량 승차감의 비교분석
손인석(In Suk Son),김정훈(Jung Hoon Kim),강연준(Yeon June Kang) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
The purpose of this study compares human vibration on car seat through theoretical seat-human body model and vehicle test. Ride comfort has mostly been evaluated by the vehicle test, but it contains many problems such as weather, equipments and costs. The method using theoretical model for evaluation of ride comfort can complement these defects appearing in vehicle test. In this research, theoretical seat-human body model consists of 7 DOF, and acceleration values of this model are obtained entering measured excitation. Finally, ride values for 12 axis defined in BS 6841 were acquired in theoretical model. The theoretical results were found to agree well with experimental results. So the proposed method can be used for evaluating and improving ride comfort.
조태성,손인석,권혜연,윤현민,장경전,송춘호,안창범,서정철,Cho, Tae-Sung,Son, In-Suk,Kwon, Hae-Yon,Youn, Hyoun-Min,Jang, Kyung-Jeon,Song, Choon-Ho,Ahn, Chang-Beohm,Seo, Jung-Chul 대한약침학회 2001 Journal of pharmacopuncture Vol.4 No.3
Objective: The aim of this study was to assess the effect of CF herbal acupuncture for low back pain by Oswestry Disability Index Methods: Ten patients with back pain were selected and CF herbal acupuncture was administered one time per 5 days after admission. The degree of improvement was evaluated by Oswestry Disability Index and visual analogue scale(VAS). Oswestry Disability Index consisted of eleven items and they were scored as 5 or 6 points per one item. Results: All of the 10 patients, after CF herbal acupuncture, showed decreased score by Oswestry Disability Index and VAS. It means that the patient's satisfaction increased after treatment. Conclusion: These results suggest that the CF herbal acupuncture was effective for low back pain
폴리에테르 유도체 사용에 따른 콘크리트의 공학적 특성에 관한 연구
김성덕(Kim, Seong-Deok),손인석(Son, In-Suk),박병근(Park, Byung-Keun),정상진(Jung, Sang-Jin) 대한건축학회 2013 大韓建築學會論文集 : 構造系 Vol.29 No.4
The basic properties and length change characteristic of the polyether derivative, which is a shrinkage reducer, were analyzed to reduce the drying shrinkage and cracks of general concrete, and the basic properties and drying shrinkage characteristic of the concrete were analyzed according to the addition of industrial byproducts (FA and BS), which are used to support eco-friendly policies and to ensure economic feasibility. The results showed that the concrete mixture of 100% normal Portland cement had a lower fluidity and compressive strength when the added polyether admixture volume was greater. The drying shrinkage also decreased. The addition of BS and FA improved the fluidity of the concrete, in both cases with and without the addition of the polyether admixture The strength was low in the early stage because of the substitution of BS and FA, and increased with the lapse of time. The length of the concrete specimen decreased according to the addition of the admixture alone, and the addition of FA resulted in a lower length change rate than the addition of BS when the polyether admixture addition rate was 0% and 4%. In conclusion, the use of the polyether derivative for the general concrete (normal Portland cement) reduced the compressive strength, but improved the drying shrinkage reduction. The results with the normal Portland cement showed that even the addition of BS and FA alone had a shrinkage reduction effect, although it was small.
심장 이식술을 받은 젊은 환자에서 발생한 2예의 지연성 칸디다 척추 골수염
강민석(Min Seok Kang),손인석(In Seok Son),김태훈(Tae Hoon Kim),이석하(Suk Ha Lee) 대한정형외과학회 2019 대한정형외과학회지 Vol.54 No.1
칸디다 척추 골수염은 드문 질환으로서 과거에는 마약 등 정맥 내 주사제 사용자들에서 발생하는 합병증으로 알려져 왔으나 최근에는 대부분이 병원 내 기회 감염의 형태로 발생되고 있다. 칸디다 척추 골수염의 임상적 및 영상학적 특징이 화농성 척추 추간판염과 유사하기 때문에 일반적인 임상에서 간과되는 경우가 흔하다. 칸디다 척추 골수염에서 다른 원인에 의한 척추 골수염과의 감별진단은 임상적, 영상의학적 및 생물학적 특성에 의존한다. 칸디다 척추염의 치료는 초기의 정확한 진단과 이를 바탕으로 신속하고 적절한 약물 요법, 임상경과의 지속적인 추적관찰로 이루어진다. 본 증례에서 심장 이식술을 받은 젊은 환자에서 수술 후 전신성 진균증 치료 3개월 후 발생한 지연성 칸디다 척추 골수염을 항 진균제 단독요법으로 치료한 2예를 경험하였기에 이를 보고하고 문헌고찰을 통해 상기하고자 한다. Candida vertebral osteomyelitis (CVO) is a rare disease that is a complication of intravenous drug use, but recently it has been recognized as mostly an opportunistic infection. Because CVO appears to mimic pyogenic spondylodiscitis in terms of the clinical and radiologic presentations, it is often neglected in a usual clinical setting. The clinical, radiological, and biological characteristics of CVO are often used to make a differential diagnosis with vertebral osteomyelitis from other etiologies. Once an initial proper diagnosis was performed, the treatment relies on the prompt initiation of appropriate pharmacotherapy and serial monitoring of the clinical progress. This paper report late-onset CVO in two young patients who underwent a heart transplant surgery and had postoperative systemic candidiasis. These two cases are a good reminder of the potential of CVO in immunosuppressive patients treated with anti-fungal agents. This paper presents these two cases with a review of the relevant literature.
하동기(Ha Dong-ki),서수호(Seo Soo-ho),박흥수(Park Hung-Soo),유현배(Yoo Hyeun-Bae),박성혁(Park Sung-Hyuk),손인석(Son In-Suk) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
Plug-in type door is installed in recently designed tube. It is world wide trend to fulfill the customer"s demand. But, plug-in door need widely gap between doorway and platform and it is raise an serious accident. Therefore, newly designed train must have safety device like a sliding step to prevent incident. This paper present about development process for sliding step. Trend of sliding step, development plan, course, technical description, and etc. will be included in this paper.
강종철,손인석,윤지홍 濟州大學校 師範大學 科學敎育硏究所 1984 科學敎育 Vol.1 No.-
The method of item presntation was consisted of three types in the exa-mination concerning the same unit of study ; descriptive type of question, pictorial type of question, experimental type of questim. Among three types of questions student was allowed to select &answer one type of question which seemed to be favorable to him or her. The result showes that excellent students in achievement have a tendency to choose descrptive type of question, while the rest of the student do not make a clear difference in choosing any type of questions except descriptive type of questions. The research questionnaire also reveales that students are fond of this kind of questions and they respond i t helps improve their study.