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폐흡충에 의한 무균성 노흉에 대한 돼지꼬리형 도관(pig-tail catheter)을 이용한 치료의 효과
한경택,권세훈,김형호,하재화,선길홍,권용은,윤성호,이승일 朝鮮大學校 附設 醫學硏究所 2006 The Medical Journal of Chosun University Vol.31 No.3
Background: Pulmonary paragonimiasis is caused by consumption of raw or improperlycooked crustacea infected with the laval stage (metacercaria) of Paragonimus westermani. The most characteristic symptoms were rust-colored sputum and cough. Paragonimiasis causes pleural thickening or effusion in 48% of the patients. Pleuro-pulmonary paragonimiasis can be easily overlooked by physicians who do not suspect this disease in the differential diagnosis. Method: We compared the outcomes of 11 patients with paragonimus empyema managed either through thoracotomy or pig-tail catheter drain. These patients were confirmed by food history, clinical and radiological findings, and laboratory data. Results: The male and female ratio was 1.75 : 1, and mean age was 40.0 ± 13.5 years. AII patients had pulmonary symptoms such as cough or chest pain. Serum-ELISA for paragonimiasis were all positive (mean titer was 0.57). AII patients had pleural effusion in radiological findings( 2 patients had bilateral pleural effusion). All patients received praziquantel (75 ㎎/㎏/day for 3days). Two patients were treated with thoracotomy and nine patients were treated with pig-tail drain. Hospital stay were 14.5 days in thoracotomy group and 5.6 days in pig-tail group respectively, Conclusion: Compared to the conventional thoracotomy grouP, the patients with paragonimus empyema who received pig-tail catheters had a significantly-decreased period of drain in situ, were clinically improved earlier, and were discharged earlier.
요추간판 탈출증 환자의 수술전,후 및 안정 회복에 따른 요부 등척성 신근력의 변화
윤규태,김건도,한길수 대한스포츠의학회 2003 대한스포츠의학회지 Vol.21 No.1
The purpose of this study was to determine the quantitative assessment of lumbar extension strength change for pre-operation, post-operation and following 4 week rest in hernia-operated patients. Twenty-four(11 males and 13 female) subjects participated and was tested at 3 times for pre-operation, post-operation and following 4 week rest. Each test involved the measurement of maximum voluntary isometric torque at seven degrees(72˚, 60˚, 48˚, 36˚, 24˚, 12˚, 0˚) of lumbar flexion using the Medx lumbar extension machine. There was no significant improvement of lumbar extenstion strength between pre-operation and post-operation for male at all degrees but for female significant increase was appeared at major degrees except 48˚, 0˚ between pre-operation and post-operation and at all degrees between pre-operation and following 4 week rest. Result further on body weight ratio show same results except that there was significant increase for female at all degree except 0˚ between pre-operation and post-operation.
황용길,윤한중 東亞大學校 1998 東亞論叢 Vol.35 No.-
The experimental results of synthesized expansive sttringites with aqueous solution of aluminumsulphate and milk of lime are as follows. 1) The synthesized reactions are progressed toward exothermic reaction rapidly. 2) Compared to crystallizing H₂O content of the synthesized 3Cao·Al₂O₃·3CaSO₄·xH₂O, diluted aqueous solutions is less than conc aqueous solution. 3) The crystal forms of synthetic ettringite are observed to spherical and column forms by SEM. 4) By the results of XRD analysis, ettringites contained below 6 mols CaO appeared to CaSO₄ but in the 7 and 8 mols CaO contained ettringites obtained CaSO₄and free CaO. 5) The expansibility and water absorption rate of 6 and 7 mols CaO contained ettringites are excellent.
韓國人에서 HumFIBRA/FGA와 D21S11 遺傳座의 對立遺傳子 頻度와 遺傳的 變異의 分析
김윤신,황적준,이혜린,구태완,한길로,김성민,이혜승 大韓法醫學會 1998 대한법의학회지 Vol.22 No.1
Allele-and genotype frequencies of the two short tandem repeat (STR) loci, HumFGA and D21S11, were determined in Korean population(n=196). DNA typing was accomplished by applying fluorescence-labeled PCR products and a differently labeled sequenced allelic ladders, followed by automated analysis using ABI 377 automatic sequencer and GeneScan 2.02 software. Prior to typing, allelic ladder of each locus was constructed with a combination of all alleles occuring from the population sample. A total of 15 alleles and 48 genotypes with the heterozygosity of 0.854 for HumFGA, and 12 alleles and 33 genotypes with the heterozygosity of 0.787 for D21S11 are observed in a population of 196 genetically unrelated individuals. No deviations from Hardy-Weinberg equilibrium were observed(p=0.753 for HumFGA, p=0.262 for D21S11). The data presented here (power of discrimination and average power of exclusion) show that both STR Loci, HumFGA and D21S11, are very informative for individualization from criminal evidences, and are also useful for parentage testing.
개 이자의 Somatostatin 양성세포의 발달에 관한 면역조직화학적 연구
장인엽,윤상필,정윤영,김종중,문정석,한길현,김영택,안계훈,선희매 조선대학교 부설 의학연구소 1998 The Medical Journal of Chosun University Vol.23 No.2
Cells immnunoreactive for somatostatin(SOM) and glucagon(GLU) were investigated in postnatal day 0, 7, 14, 28, 90, 180 and adult canine pancreas using light microscopic immunohistochemistry. Pancreatic SOM-immunoreactive cells were found in pancreatic acini, pancreatic duct, and pancreatic islet gradually. Pancreatic SOM-immunoreactive cells were more located in pancreatic parenchyme than pancreatic islet throughout pancreas by postnatal day 28. But there was change by the postnatal 3 months : pancreatic SOM-immunoreactive cells were more located in pancreatic islet than acini and duct. It is suggested that the number of the SOM-immunoreactive cells may not increase with age apparently. A small number of SOM-immunoreactive cells that showed GLU-immunoreactivity were also observed in canine pancreatic islet. The physiologic consequences of these changes remain to be determined. These results sugegest that SOM in the developing pancreas may relate to the secretion of pancreatic hormones.
김혁,윤성운,한길영,심재기,이동기 조선대학교 생산기술연구소 1995 生産技術硏究 Vol.17 No.2
In order to examine the accuracy of intensity method, the fiber orientation distribution of chopped strand reinforced polymeric composites is measured using image processing. Theoretical and experimental results of fiber orientation function are compared with each other for the composites having different fiber content and fiber orientations. An intensity method is used for the experimental investigation and the measured fiber orientation function is compared to the calculated one. The results show that, firstly, the feature of fiber orientation can be represented and identified by the fiber orientation function J measured and theoretical fiber orientation functions, J_(M) and J, respectively and related as J_(M)=0.73J. Secondly, as far as the measuring of fiber orientation is concerned, the intensity method is, in general, found to be quite effective due to its feature of using the intensity difference in the measuring ranges. Finally, the accuracy of the method increases when the fiber with less clash is considered.
金潤亨(Yoon-Hyoung Kim),鄭在甲(Jae-Kap Jung),韓相吉(Sang-Gil Han),金韓俊(Han-Jun Kim),韓相玉(Sang-Ok Han) 대한전기학회 2008 전기학회논문지 P Vol.57 No.3
We have developed two absolute evaluation technology of inductor using current transformer (CT) comparator. One is the method that the reactance of inductor is obtained by analysing the equivalent circuit of CT with inductor connected to series at secondary terminal of CT. The other is the method that the reactance of inductor is obtained by comparing phase displacement of current flowing on inductor by using CT comparator. These technologies have the advantage to apply up to rated current and voltage of inductor. The method was applied to inductors under test in the range of 100 μH ~ 1 H. The inductance of the inductor under test obtained in this study are consistent with those measured by LCR meter using the same inductor within an expanded uncertainty (k = 2) in the overall range of inductance.
표준전압변성기 두 대를 이용한 전자식 전압변성기의 오차 평가
한상길(Sang-Gil Han),김윤형(Yoon-Hyoung Kim),정재갑(Jae-Kap Jung),강전홍(Jeon-Hong Kang),이상화(Sang-Hwa Lee),한상옥(Sang-Ok Han) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.9
현재 전압변성기는 기존의 철심형 전압변성기에서 전자식 전압변성기로 변화하고 있으며, 전자식 전압변성기의 비오차와 위상각 오차를 정확하게 평가하는 것은 전자식 전압변성기의 보급에 중요하다. 표준전압변성기 두 대와 전압변성기 비교기를 이용하여 22 ㎸급 전자식 전압변성기의 비오차와 위상각 오차를 평가할 수 있는 시스템을 구축하였으며, 시스템의 불확도를 분석하였다.