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각종 소화성질환에서의 Campylobacter Pylori의 검출에 관하여
허정욱,강영우,박준호,박승국,하경임,김재룡,안성훈,박선우 啓明大學校 醫科大學 1988 계명의대학술지 Vol.7 No.2
Peptic disorders are among the most common maladies in korea as the world. In most cases their etiologies not be established and their pathophysioolgy remain obscure. Although the persence of fastric bacteria has been logn established, recently campylobacter pylori seems to be etiologic agent of peptic disorders. Campylobacter pylori is visualized in most cases of peptic disorders and not visualized after treatment of bctericidal agents, bismuth compound or metronidazole. We had a following results for identification of campylocacter pylori in stomach and duodenal mcuosa via endoscipc biopsy. 1. We studied 54 patients who had dyspeptic symptoms, 29 males. 2. Most patients are in 5th decades, next in 3rd and 6th in order. 3. Ptients were composed of 27 peptic ulcer, 22 gastitis and 5 gastric carcinoma. 4. Campylobacter pylori was identified in 69% of total patients, peptic ulcer 63%, gastritis 77%, stomach carcinoma leastly.
오영우,김현식,허정섭,이승관 경남대학교 신소재연구소 1997 論文集 Vol.9 No.-
조정식 Mg₁-χFe₂+χO₄(이하 Mg계)에서 x를 0.0, 0.025, 0.1, 0.2로 변화시키고, 소결온도를 1100°C~1250°C로 50°C간격으로 변화시켰다. 그 결과, NTC 서미스터의 특성을 잘 나타내었고, 저항온도계수 α는 Mg계일 때 -1.6%/°C로 높은 값을 나타내었고, B정수는 1500 [K]에서 2920 [K]의 범위를 나타내었다. 본 조성의 실험결과로써 Mn-Ni-Co계 서미스터를 Mg-Fe 산화물계 NTC 서미스터로 대체가 가능함을 확인할 수 있었다. Mg_{1-x}Fe_{2+x}O₄was prepared by sintering at from 1100℃ to 1250℃ with 50 C intervals, while x was varied from 0.0 to 0.025. 0.1, and 0.2. The results showed the typical properties of NTC(Negative Temperature Coefficient) thermistor. The best temperature coefficient of resistance, α was -1.6%/℃ in the Mg-based sample at 25 C. Thermistor parameter, B was in the range of 1500 [K]∼2920 [K]. As a result, the possibility that Mn-Ni-Co based thermistor could be substituted by the composition used in this study was confirmed.
박우경,전병세,--,--,--,-- 경남대학교 신소재연구소 1999 論文集 Vol.11 No.-
가압 여과(Filter pressing)에 의한 Y-TZP/Mullite 세라믹 복합체의 제조를 위하여 슬러리의 분산거동을 살펴보았다. 각 조성에 해당하는 현탁액의 분산안정성을 살펴보기 위하여 분산제(NaHMP) 함량을 각각 0~1 wt.% 첨가시켜 pH 변화와 제타 전위를 측정하였다. 그 결과, Y-TZP, 그리고 Mullite는 분산제의 함량을 각각 0.5 wt.%, 그리고 0.8 wt.% 첨가하였을 때 최적의 분산 조건이 형성되었으며, 이 때의 pH 값은 8(±0.2) 이었다. 또한 Y-TZP/Mullite 혼합 현탁액에서 최적의 분산조건은 0.6 wt.% (pH 8.2)이다. 각 현탁액의 최적의 분산조건에서 고체함량을 20 vol.%로 한 Y-TZP/Mullite 현탁액에 결합제 함량이 약 0.15 wt.% 일 때, 가압 여과에 적절한 점도값인 100 cps를 나타내었다. Y-TZP/Mullite Slurries Stability by Filter Pressing were investigated. For the stable suspensions consisting of Y-TZP and Mullite. were examined dispersion behavior and viscosity measurement. A dispersing agent (NaHMP) was changed from 0 to 1 wt.%. and then pH and zeta potential was measured. As a result of examinations, the optimal contents of the dispersing agent for Y-TZP, and Mullite were 0.5 wt.%. and 0.8 wt.% respectively. and the pH values were around 8 (±0.2) . The optimal contents of the dispersing agent for Y-TZP/Mullite were 0.6 wt.%(pH 8.2). Optimal binder content of Y-TZP/ Mullite slurry for filter pressing was 0.15 wt.% and viscosity was 100 cps when the solid loading was 20 vol.%
全石吉,朱亮求,金洪,禹聖龜,徐修之,金玉培,許定旭 啓明大學校 醫科大學 1987 계명의대학술지 Vol.6 No.1
Percutaneous transhepatic biliary drainage(PTBD) was performed 40 times in 38 patients with obstructive jaundice, from January, 1986 to May at Department of Radiology, Keimyung University School of Medicine. The PTBD is to decrease serum bilirubin level, promote liver function, effectively decompress the severely obstructed biliary tree prior to surgery and palliates the clinical problems in patient with non-operable malignant obstruction and control sepsis effectively. The results were as follow: The cause of obstructive jaundice included 35 malignant diseases and 3 benign diseases. Malignant disease were 23 cases of bile duct carcinoma, 5 cases of hepatoma, 5 cases of pancreas carcinoma and 2 cases of metastasis. The most common level of obstruction was distal common bile duct in 13 cases. The most common indication of PTBD was palliative drainage of obstruction secondary to malignant tumor in 26 cases. The drainage type was internal i 12 cases and external in 24 cases. The most common complication was high fever in 7 cases. The successful drainage with effective decrease in the level of serum bilirubin was observed in 30 cases, ineffective drainage in 4 cases.
( Jung Hyun Kwon ),( Sang Woo Kim ),( In Sik Chung ),( Myung Gyu Choi ),( Kwan Woo Nam ),( Jung Pil Suh ),( Jae Hyuck Chang ),( Won Haing Hur ),( Yu Kyung Cho ),( Jae Myung Park ),( In Seok Lee ) 대한소화기학회 2007 SIDDS Vol.9 No.-
Background/Aims: Westernization in many Asian countries have changed lifestyles and diets, so once rare diseases have now become prevalent. The aim of this study is to investigate the changing pattern of digestive and liver disease in Korea, from 1990 to 2006. Methods: We extracted data specific gastrointestina (GI) disease based on the International Classification of Diseases code from the in-patients records at the Kangnam St. Mary`s Hospital in 1990, 1996 and 2006. This hospital is a tertiary-care hospital in Seoul, Korea, which has a capacity of 800 beds. Results: The admission rate for GI disease increased between 1990 and 2006. Overall in-patients were 1,623 persons in 1990, 2,368 persons in 1996 and 4,166 persons in 2006. The mean age of in-patients increased as time went by. A stomach cancer was the most common diagnosis during all periods, but its prevalence has decreased. Colon cancer ranked the 7th in 1990, but markedly increased and now ranks the second. The third was a hepatocellular carcinoma. The bile duct and gallbladder cancer, pancreas and esophageal cancer ranking followed with little interval change. In cases of cancer patients, a regular admission dramatically increased for chemotherapy. The number of patients admitted with pre-malignant neoplasm of stomach and colon increased remarkably with the development of endoscopy. The liver transplant, inflammatory bowel discase, and reflux esophagitis emerged form mid-1990s with greater frequencies, yet much below the levels found in the West. The admission rate for peptic ulcer, especially ulcer bleeding remained relatively stable, despite a decreased rate for ulcer perforation. Liver cirrhosis, hepatitis, cholelithiasis with cholecystitis-cholangitis, appendicitis, hemorrhoid and gastritis all decreased. Conclusions: The stomach cancer is the leading cause of admission, despite a recent decline. Colon cancer showed a marked rise. The liver transplant, inflammatory bowel disease and reflux esophagitis were new diagnosis with an increased tendency.
Jung-Woo Hur,Suk-Ja Yoon,Sun-Youl Ryu 대한구강악안면외과학회 2012 대한구강악안면외과학회지 Vol.38 No.4
Objectives: This study sought to evaluate the efficacy of collagen graft materials, as compared to other graft materials, for use in healing calvarial defects in rabbits. Materials and Methods: Ten mm diameter calvarial defects were made in ten rabbits. The rabbits were then divided into 4 groups: control, autogenous bone graft, SureOss graft, and Teruplug graft. Bone regeneration was evaluated using histological and radiographic methods. Results: Based on visual examination, no distinct healing profile was observed. At 4 weeks after treatment, histological analysis showed there was no bone regeneration in the control group; however, at 8 weeks after treatment, new bone formation was observed around the margin of the defective sites. In the autogenous bone graft group, new bone formation was observed at 4 weeks after treatment and mature bone was detected around the grafted bone after 8 weeks. In the SureOss graft group, at 4 weeks after treatment, acute inflammatory and multinuclear cells were noted around the grafted materials; at 8 weeks after treatment, a decrease in graft materials coupled with new bone formation were observed at the defective sites. In the Teruplug graft group, new bone formation was detected surrounding the bone margin and without signs of inflammation. There were statistically significant differences observed between the graft and control group in terms of bone density as evidenced by radiographic analysis using computed tomography (P<0.05), particularly for the autogenous bone graft group (P<0.001). Conclusion: These results suggested that autogenous bone, SureOss and Teruplug have the ability to induce bone regeneration as compared to an untreated control group. The osteogenic potential of Teruplug was observed to be lower than that of autogenous bone, but similar to that of SureOss.
Pure Spinal Epidural Cavernous Hemangioma: A Case Report
Woo Jung Lim,Jin Woo Hur,Seong Yeol Ahn,Jong-Joo Rhee,Jong Won Lee,Hyun Koo Lee 대한말초신경학회 2016 The Nerve Vol.2 No.2
Pure spinal epidural cavernous hemangioma is difficult to differentiate from ruptured disc material and is rarely reported. It is usually reported in thoracic spine. The patient was a 73-year-old man suffering from chronic pain in the L5 dermatome area in his left leg. Computed tomography scans showed a slightly high-signal intensity epidural mass in lateral recess at the L4 vertebral body. This lesion showed hyper-intensity on T2-weighted magnetic resonance imaging (MRI) and enhancement on T1-weighted MRI with gadolinium enhancement. This mass-like lesion was surgically removed and the patient’s symptoms improved without complication. Here, we present a case of pure spinal epidural cavernous hemangioma, which should be included in the differential diagnosis of spinal epidural tumors. Early surgical treatment is important.
허정우(Hur, Jung Woo),나민환(Na, Min Whan),탁재현(Tak, Jae Hyun),오세훈(Oh, Se Hoon) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
The Stiffness of B.I.W is known as the important factor of a vehicle preformance. Using HAS Analysis, we can archive increasement of body stiffness. we apply same suspensions to the two bodies which has different body stiffness, then we can measure vehicle perfomance through various test. Finally we can determine the relationships between body stiffness & R&H performances.