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김광득(Kim Kwang-Deuk),정재혁(Jeong Jae-Hyuck),윤창열(Yun Chang-Yeol) 한국태양에너지학회 2006 한국태양에너지학회 학술대회논문집 Vol.- No.-
The renewable energy information becomes one of the greatest issues all over the world because of serious environment problems and limited fossil resources. The renewable energy resource information system is treated seriously for efficient management and distribution as dealing with these energy problems. Especially, it is difficult to manage and utilize solar energy information because gathering and surveying information is progressed individually in each research equipment. Therefore this paper will establish ISP(Information Strategy Planning) and propose the resource management system based-on GIS to analyze the solar energy and build the integrated management system. The proposed resource management system can provide spatial analysis using thematic map, data search, data import/export and interpolation about users’ queries.
신재생에너지에 대한 GIS기반의 정보화전략계획 수립 및 통합관리 시스템 개발
김광득(Kim Kwang-Deuk),정재혁(Jeong Jae-Hyuck),윤창열(Yun Chang-Yeol) 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.2
New renewable energy information becomes one of the greatest issues all over the world because of serious environment problems and limited fossil resources. The new renewable energy source information system is treated seriously for efficient management and distribution as dealing with these energy problems. However, it is difficult to manage and utilize new renewable energy information because gathering and surveying information is progressed individually in each research field. Therefore this paper will establish ISP(Information Strategy Planning) and propose the basic management system based-on GIS to analyze new renewable energy such as solar energy, wind power, small hydro, biomass, geothermal etc. and build the integration management system. The proposed integration management system can provide spatial analysis using thematic map, data search, data import/export and interpolation about users’ queries.
감염성 인공슬관절의 항생제 시멘트를 이용한 이단계 재치환술
조세현,송해룡,구경회,정순택,박영준,박형빈,정재혁,하용찬 ( Se Hyun Cho,Hae Ryong Song,Kyung Hoi Koo,Soon Taek Jeong,Young June Park,Hyung Bin Park,Jae Hyuck Jung,Yong Chan Ha ) 대한슬관절학회 1997 대한슬관절학회지 Vol.9 No.2
Purpose of the study. The purpose of this study was to evaluate the result of treatment of the infected total knee arthroplasty by two-stage revision. Material. Out of twenty eight total knee arthroplasty revisions, 13 revisions were performed for infected total knee arthroplasties between 1985 and l.996. Two cases of infected total knee arthroplasties were treated by immediate replacement and four cases by arthrodesis. Seven infected total knee arthroplasties had been revised by two-stage revision and followed-up for 38.6 months in average(range, 18-105 months). They were one male and six female patients of 61.6 years old in average. The primary cause of arthroplasty was osteoarthritis in all. Infection was diagnosed by preoperative aspiration, culture of the pus from draining sinus and culture of surgical specimen. Five cases revealed positive growth of causative bacteria, while two were not identified. Method. The protocol for two-stage revision began with tbe removal of infected implants and cement. The surrounding bony and soft tissue were thoroughly debrided and cleaned. The dead space between femur and tibia was filled with antibiotics-impregnated cement spacer and beads. Wound was closed and the leg was placed in soft knee brace. Patients received intravenous antibiotic therapy based on culture results for 4-6 weeks. Reimplantation was followed using total condylar prosthesis of posterior stabilizing type in five and semiconstrained type in two cases. Result. Two-stage revision was successful in six cases. One case revealed the recurrence of infection eleven months after reimplantation and underwent the repetition of the same two-stage procedure. At the final follow-up, the average Hospital for Special Surgery score was 81.l points, the average Knee Society knee score was 78.6 points and the average functional score was 76.7 points. Patients could regain average 100 degrees of knee flexion. Conclusion. The result of two-stage revision for infected total knee arthroplasty was satisfactory, showing that this can be the method of choice for infection treatment and functional restoration. This procedure using antibiotics-impregnated cement spacer and beads can control infection and improve functional results.
윤창열(Yun, Chang-Yeol),김광득(Kim, Kwang-Deuk),정재혁(Jeong, Jae-Hyuck) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.11
New and renewable energy information becomes one of the greatest issues because of serious environment problems and limited fossil resources However, There are few system to manage and utilize new and renewable energy information efficient. Therefore this study establish the GIS based Resource Map System to save and analyze new and renewable energy Informal ion about solar energy, wind power, small hydro, biomass, and geothermal. This Resource Map System is composed of the management system, practical system, field system and Web-service system. This System can Provide var ious spatial analysis tools such as data searching, treating thematic maps, evaluating location requirements for energy facilities.
윤창열(Yun, Chang-Yeol),김광득(Kim, Kwang-Deuk),정재혁(Jeong, Jae-Hyuck) 한국신재생에너지학회 2006 신재생에너지 Vol.2 No.4
New and renewable energy information becomes one of the greatest issues because of serious environment problems and limited fossil resources. However, There are few system to manage and utilize new and renewable energy information efficiently. Therefore this study establish the GIS based Resource Map System to save and analyze new and renewable energy information about solar energy, wind power, small hydro, biomass, and geothermal. This Resource Map System is composed of the management system, practical system, field system, and Web-service system. This System can provide various spatial analysis tools such as data searching, creating thematic maps, evaluating location requirements for energy facilities.
무혈성괴사에서 근위 대퇴골 간단부의 지방화의 평가 : T1 강조영상을 이용한 방법
구경회 ( Kyung Hoi Koo ),송해룡 ( Hae Ryong Song ),정순택 ( Soon Taek Jeong ),정재혁 ( Jae Hyuck Jeong ),한영찬 ( Young Chan Han ),조세현 ( Se Hyun Cho ) 대한고관절학회 1997 Hip and Pelvis Vol.9 No.2
To determine whether fatty marrow conversion of the proximal femoral metaphysis is related to osteonecrosis of the femoral head, a case-control study was conducted on 42 osteonecrotic hips in 28 patients using Tl-weighted MRls. The 42 hips with osteonecrosis were matched with 84 normal control hips as for gender, age (5-year range), and time of presentation (1-year range). The signal intensities of the proximal femoral metaphysis (SM) and the greater trochanter (ST) were measured in each hip studied. We derived a marrow conversion index (%) using the formula: (SM/ST) x IOO (%). The index was 90.2% (SD, 8.2) in osteonecrotic hips, and 75.1% (SD, 9.1) in matched controls (p = 0.000). By conditional logistic regression, a 5% increase in the index above our control group value of 75% was associated with 3.6 times higher risk for osteonecrosis (95% CI = 1.9-6.7, p = 0.000) and a 10% increase with 12.9 times higher risk (95% CI = 3.7-44.8, p = 0.000). The marrow conversion index, which reflects the ratio of fatty marrow conversion of the proximal femoral metaphysis to that of the greater trochanter measured on Tl-weighted MRI, has a strong association with an increased risk for osteonecrosis.