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김병수,장성종,부귀범,조운택,박찬국,김만우,변주남,김정용,전호종 조선대학교 2001 The Medical Journal of Chosun University Vol.26 No.1
Small bowel leiomyoma is a rare tumor which may occur wherever smooth muscle is present. The small bowel is the most common site and it makes up 20~30% of all benign small intestinal neoplasms. A spectrum of symptoms are common ranging from nausea, vomiting, abdominal pain, to massive intestinal bleeding. Bleeding is the most common symptom and is usually gross and recurrent. Occasionally it may be life threatening. But, the most serious problem is both the absence of specific clinical symptoms, and the difficulties shown in radiological diagnostics of the small bowel. If conventional diagnostic methods fail to reveal any positive findings for gastrointestinal bleeding, the diagnosis of intestinal leiomyoma should be suspected and an SMA angiography shoud be performed. The angiographic criteria of small bowel leiomyoma is very characteristic. We present a case of leiomyoma with considerable and prolonged gastrointestinal bleeding, which was diagnosed by angiography. A 61-year old woman was admitted with a history of melena over the last 10 days. An SMA angiography showed a hypervascular mass with a diameter of 3×3cm. A segmental resection was performed under the impression of the gastrointestinal bleeding due to leiomyoma of the small bowel. Microscopic examination of the lesion shows interlacing or whorl bundles of spindle shaped ces and no mitosis.
남부현,김병국,고필준,심장한,박찬일 충남대학교 의과대학 지역사회의학연구소 1996 충남의대잡지 Vol.23 No.1
Post-traumatic cholesteatoma can be originated in the middle ear or mastoid cavity after head trauma such as temporal bone fracture, penetrating injury of the temporal bone or blast injury of the tympanic membrane. It usually takes a long time to develope cholesteatoma after injury, and physicians may overlook its association with previous, trauma. Post-traumatic cholesteatoma can be suspected in patients with head trauma history and atypical cholesteatoma findings. We experienced two cases of cholesteatoma which found behind the intact tympanic membrane in 7 and 13 years old boys with history of head trauma, and we are reporting this with a discussion and literatural review.
國民學敎 科學 優秀 兒童을 위한 科學探究能力 競詩大會의 客觀的 問項分析(II)
李容複,裵永富,河炳權 서울교육대학교 과학교육연구소 1995 科學과 數學敎育 論文集 Vol.21 No.-
The purpose of this study is to analyze items which were used for the "ience Inquiry Contest"n the elementary gifted children all over the country. The items analyzed were limited to the earth science, including physics, chemistry and biology. The classical test theory was used to analyze the items. Mean scores and logit/1.7 were produced to reveal the score distribution. The item difficulty was estimated by ratio of correct answer. Biserial correlation was applied to account for the discrimination power index. Item difficulty was 0.102~0.993, logit/1.7 was -1.28~2.89, and discrimination power index was -0.391~0.554. And for the next contest, several alternative proposals were suggested.
영양표시정착화사업(Ⅱ) : 식품참고량설정에 관한 연구 Study on the Establishement of the Reference Amount in Foods
김대병,장영미,김인복,이혜영,장재희,김보영,이정구,김창민,정해랑 식품의약품안전청 2000 식품의약품안전청 연보 Vol.4 No.-
본 연구는 영양표시에서 1회분량 및 영양소함량표시의 기준으로 사용되는 "식픔창고량"에 관한 연구를 수행하므로써 합리적이고 일관성있는 영양표시기준 개선을 위한 기초자료로 활용코자 하였다. 이를 위하여 미국 및 캐나다를 중심으로 제외국의 현황 및 식품참고량 설정방법을 조사 ·연구 하으며 제도도입 및 개선 방안을 강구하였파. 또한, 시판 제품의 영양료시현황 및 음료류 둥의 포장단위 등을 피악하여 식품참고량설정을 위한 기초자료로 활용코자 하였다. 앞으로 국민건강 ·영양조사자료의 체계적인 통계분석, 가공식품의 섭취량조사 등을 통하여 우리나라 국민의 1인 1회 섭취량자료의 축적이 선행되어야 할 것이다. The purpose of this ?roject is to study on the reference amounts customarily consumed per eating occasion to improve the nutrition labelling standards. We Performed to study on the methodology to establish the reference amounts on the basis of the review on the advanced counITy's status. And we investigated the packaged unit ofprocessed foods. Further study is needed to establlsh the customarily consumed amount per eating occasionthrough the statistical analysis of nationwide food consumption data. Our results will be helpful information to improve nutrition labelling system in Korea.
강대철,전병희,이원평,성부용 韓國工作機械學會 2000 한국생산제조학회지 Vol.9 No.5
The Tailor Welded Blanks(TWB) are using various materials (different thickness, strength and different materials) can be welded together prior to the forming process. Therefore, TWB applications have become little by little important in automobile industries, because it has more light weight and process reduction. A burnish area is very important for TWB using laser welding. In this paper, evaluated failure criterion, effect of clearance and distance of between pad and punch by computer simulation. We used element separation method for fracture. And applied a plastic strain to failure criterion. According to the analysis results, we obtain failure criterion, when plastic strain is 2.0. The burnish area and clearance were inverse proportional.
학교체육 활성화 방안에 대한 연구(Ⅰ) : 강원대학교 교양체육 운영방법의 개선을 중심으로
이광재,문병용,노성규,박기동,홍관이,한상준,유옥재,엄기진,정청자,오수일,김윤래,박장평,부기원 江原大學校附設 體育科學硏究所 1986 江原大學校附設體育科學硏究所論文集 Vol.- No.11
Try to find a scheme for activation to College Physical Education, this Report informs the various kinds of Survey and process those were projected for improvement of management methods on Cultural Physical Education in Kang Weon National University. From experimentally carried out "Sports events Choosing System" not as usual be inforced "Total practical Skill System", Following Positive effects and sujestions were Presented; 1. "Sports events choosing system" gave birth to more students' interesting and more voluntary participation to the sports events they chose, and sports skill and instruction level was elevated due to charge of expert according to each sports events. This system would be managed continuously hereafter for it related to life sports. 2. This System needs to closed cooperations between College and Community, for the facilities of community are utilized by college. 3. To complete the plan for activation of college Physical Education, additionally, the successional study ; namely "autonomous extracurricular sports activity" should be excuted hereafter.
장성종,김병수,부귀범,김동규,박찬국,김만우,김정용,박상헌 조선대학교 부설 의학연구소 2000 The Medical Journal of Chosun University Vol.25 No.1
Pancreatic pseudocysts usually develop as a complication of acute pancreatitis or repeated attacks of chronic pancreatitis. Pseudocysts may also develop as a result of traumatic injuries or neoplasms. An uncommon complication is massive hemorrhage inside the pancreatic pseudocyst. The exact mechanism of hemorrhage is unknown. Enzymatic digestion, pressure erosion from the cyst mass or a combination of these processes may play an important role. Gastrointestinal hemorrhage associated with a pancreatic pseudocyst can occur in 10 percent of cases. When hemorrhage occurs because of erosion into a blood vessel involved in the pseudocyst, surgery is indicated since the episodes of hemorrhage are often severe and may even be fatal. When there is colonic involvement, various complications may occur. The most dangerous one is spontaneous rupture into the colon, which requires immediate surgical treatment because of high incidence of fulminating sepsis or massive hemorrhage. We examined a sixty eight-year-old man complaining of hematochezia and dizziness, and reported that it was a case of massive lower gastrointestinal hemorrhage caused by pseudocyst of the pancreas ruptured into the colon associated with chronic pancreatitis. On operative findings, the peripancreatic fatty tissue had severe adhesions to transverse colon and tail portion of pancreas, where the pseudocyst had formed. A distal pancreatectomy, splenectomy and resection of transverse colon were performed. By microscopic examination, hemorrhagic necrosis and inflammatory change were observed in the pancreas specimen. The tail portion of pancreas had a 6×6 cm sized cystic mass and was proven to be a pseudocyst with no epithelial lining.
전도성 고분자 센서 어레이를 이용한 휘발성 유기 화합물 가스 인식
이경문,주병수,유준부,황하룡,이병수,이덕동,변형기,허증수 한국센서학회 2002 센서학회지 Vol.11 No.5
휘발성 유기 화합물 가스(Volatile Organic Compounds)를 인식하고 분석하기 위하여 전도성 고분자 센서어레이를 이용한 시스템을 제작하였다. Polypyrrole와 Polyaniline을 화학중합법으로 센서에 전도성고분자막을 형성하였고 이를 통해 VOC 검지용 센서 어레이를 제작하였다. 센서어레이로부터 측정되는 다차원 데이터는 주성분분석법(PCA)과 RBF(Radial Basis Function Network)을 이용하였다. 제안된 시스템으로 VOCs 가스를 인식하는데 있어서 RBF Network이 PCA방식보다 더욱 효율적인 것으로 판단되었다. We fabricated gas recognition system using conducting polymer sensor array for recognizing and analyzing VOCs(Volatile Organic Compounds) gases. The polypyrrole and polyaniline thin film sensors which were made by chemical polymerization were employed to detect VOCs. The multi-dimensional sensor signals obtained from the sensor array were analyzed using PCA(principal component analysis) technique and RBF(radial basis function) Network. Throughout the experimental trails, we confirmed that RBF Network is effective than PCA technique in identifying VOCs.