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오상권(Sang-Kweon Oh),이선규(Seon-Gyu Yi) 한국콘텐츠학회 2015 한국콘텐츠학회논문지 Vol.15 No.4
본 연구에서는 선행연구에서 제시된 ERP시스템의 도입 요인들에 대해서 델파이 기법과 계층화 의사결정법(AHP)을 이용하여 각 도입 요인들에 대한 중요도를 분석하였다. 1차 계층의 도입 요인들에 대한 중요도를 분석한 결과 혁신요인, 정보기술요인, 사용자 요인, 공급사 요인 중 중요도가 가장 높은 요인은 공급사 요인으로 분석되었고, 1차 계층의 중요도를 고려한 2차 계층에 대한 가중치 분석에서는 공급사 요인의 표준업무 모델의 적합성 요인이었으며, 혁신요인의 최고경영층의 참여 요인(.086)이 2번째로 중요한 도입요인으로 분석되었다. 이러한 분석 결과는 국내 중소기업의 입장에서는 이미 개발된 ERP 시스템을 도입하여 운영을 하여야 하기 때문에 해당 기업의 특성이나 경영전략 등이 잘 적용된 시스템을 선정하여 도입하기를 희망하고 있는 것으로 판단할 수 있었으며, 이 과정에서 최고 경영자의 참여 역시 매우 중요한 요인임을 알 수 있었다. In this study, for the introduction factors of ERP system suggested in the prior study, I analyzed the importance of each introduction factor by using Delphi methodology and AHP. As a result of analysing the importance of the introduction factors of the 1st layer, the supplier factor was analyzed to be the most important factor among innovation factor, information technology factor, the user factor, the supplier factor, and in the weight analysis on the 2nd layer considering the importance of 1st layer, the standard work model of the supplier factor was a suitable factor, and the CEO participation factor(.086) was analyzed as the second most important introduction factor. These analysis results enable to determine that domestic Small & Medium enterprises position hope to introduce by selecting a system in which the company characteristics and management strategies are applied well, because they should operate an ERP system that has already been developed, and in this course, the participation of CEO was also found to be a very important factor.
차상권,김일규,오성섭,최진호,오남식,임영일,김광식,허지영,Cha, Sang-Kweon,Kim, Il-Kyu,Oh, Seong-Seob,Choi, Jin-Ho,Oh, Nam-Sik,Lim, Young-Il,Kim, Wang-Sik,Heo, Ji-Young 대한구강악안면외과학회 2001 대한구강악안면외과학회지 Vol.27 No.2
Cystic lesion of the jaw are frequently encountered clinically. Although they rarely lead to development of tumors, they can result in resorption of the jaw bone or asymmetry of the face may occur. The purpose of this study is to find the clinical and histopathological pattern of cysts and to help better understanding for the diagnosis and treatment of jaw cysts. The hospital chart, out-patient chart, panorama X-ray, histopathological report and operation report of 246 patients were reviewed who had been diagnosed as cyst. Sex distribution, age distribution, classification, anatomic distribution, clinical sign & symptoms, treatment, post-operation complications, recurrence rate were studied. Then significant difference between the diameter of cyst with bone graft and none-bone graft was calculated with SAS program. The results were as follows. 1. Among the total patient of 246 cases, male were 163 case(67.0%), and female were 83 case(37.0%), male predominated by the ratio of 1.98. 2. By age group, the 20's accounted for the largest proportion of the cases(27.2%) and the 30' accounted for the 2nd largest proportion of the case(19.5%). 3. Radicular cyst and dentigerous cyst were most common cysts, irrespective of 166 case(67.5%) and 62 case(25.2%). 4. Clinical sign & symptoms were swelling(167case), pain(85case), pus discharge(53case), teeth discoloration(28case), indicating that most complaints were related to inflammation and facial asymmetry. 4.9% of the total cases were discovered accidentally. 5. The primary site of cysts were maxillary anterior area(43.9%), the others were, in descending order, mandibular posterior area(25.6%), maxillary posterior area(14.6%). 6. Enucleation with endodontic treatment was a main treatment method(133 case, 54.1%) and 38 cases(15.4%) were enucleation with extraction, and 37 cases(15.0%) were only enucleation, and 21 cases(8.5%) were enucleation with bone graft. 7. The average diameter of cysts with bone graft was significally greater than with non-bone graft(p<0.05). 8. Post-operation complications occurred in 10 case(4.1%), all of this were due to secondary infection.
오상권(Sang-Gweon Oh),정석규(Suk-Kyu Chung),김경구(Kyung-Gue Kim) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.11
The conventional control valves have been used at the locations occurring high differential pressure which causes cavitation, flashing, severe vibration due to abrupt flow change, and sudden pressure drop. These kinds of undesirable symptoms lead to uncontrollable flow rate, and damage of valve trim. To increase the thermal efficiency of power plant and to extend the life of control valves, the conventional control valves are required to be replaced or modified. Previous studies concerning control valves focused to prevent damage of valve trim due to the internal leak and low flow rate. In this study, a multi-cage valve is designed for the purpose of solving the afore-mentioned problems, and evaluated the flow characteristics. The loss coefficients are investigated by designing the number of cage holes and reynolds numbers. Since the loss coefficient has no variation according to the value of reynolds number in the region of high reynolds number, a constant value of the loss coefficient can be applied to the design of the valve cage. The number of holes each cage and the height of the cage fin have been determined by a theoretical analysis and a series of. experiments. The newly designed control valve has been installed at the location of high pressure change in a power plant, and operated for evaluation. It is confirmed that the new control valve developed in this study generates satisfactory performance in comparison with previous control valves.
오현진(Hyeon-Jin Oh),황종영(Jong-Young Hwang),원영진(Young-Jin Won),김상권(Sang-Kwon Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
정부는 전기사업법 제25조(전력수급기본계획의 수립)에 근거하여 전력정책 방향, 전력수요전망, 송변전 및 발전설비계획 등을 포함한 향후 15년간(2008~2022)의 전력수급전반에 관한 내용과 관련하여 제4차 전력수급기본계획을 2008월 12월 29일에 공고하였고, 이를 바탕으로 2009년 3월에 한전에서 장기 송변전설비계획을 수립하였는데, 이에대한 내용을 알아보기로 한다.
조성원(Sung Won Cho),심찬섭(Chan Sup Shim),오상권(Sang Kwon Oh),심창식(Chang Sig Shim),나우균(U Kyun Na) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.2
N/A Hepatic cyst is a rare disease, and cases have been reported since first discription of Bristowe in 1885. However there are difficulties in classification, diagnosis and treatment about this disease. The diagnostic metbod have been developed, and the ultrasonography is important and accurate diagnostic tool. We have experienced 46 cases of hepatic cystic disease at the Soon Chun Hyang University from Jan. 1980 to Jun. 1986 and analysed the following results obtained. 1) Incidence of hepatic cyst is about 0.53% and all patients were over the age of 40. 2) Male and female ratio was 1:2.3. 3) Solitary liver cyst only were 32 cases, solitary liver cyst with renal cyst were 3 cases, polycystic liver only were 14 cases, and combined polycystic liver and polycystic kidneys were 4 cases. 4) Size of the hepatic cysts was from 0.9 cm to 26 cm and 65% of the cases were below 2 cm 5) The location of hepatic cysts showed 20 cases in right lobe and 18 cases in left lobe of the liver. 6) The ultrasonography was important and accurate diagnostic tool.
간장 및 담도 : Gilbert 증후군과 Rotor 증후군의 99mTc - DISIDA 간담도스캔소견
조성원 ( Sung Won Cho ),양동호 ( Dong Ho Yang ),심찬섭 ( Chan Sup Shim ),오상권 ( Sang Kwon Oh ) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.1
N/A 99mTc-DISIDA cholescintigraphy was performed in 2 patients with Gilbert syndrome and 1 patient with Rotor syndrome. One patient with Gilbert syndrome, the cholescintigraphy was normal and the other pat- ient had a decreased hepatocyte clearance and normal leading edge hepatic transit time. In the patient with Rotor syndrome, throughout the study the hepatobiliary system was not visualized and the kidney are persistently seen. We conclude that 99mTc-DISIDA cholescintigraphy may be useful in the differential diagnosis of congenital, non-hemolytic hyperbilirubinemia with clinical findings and other dignostic methods.