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김성수,이동희,황부근,신말순,배종진,윤진환,지용석,안희구 한국특수체육학회 2002 한국특수체육학회지 Vol.10 No.2
The purpose of this study was to analyzed the aerobic capacity of disability· able-bodied wheelchair basketball players. Cardiorespiratory parameters were measured during graded maximal exercise test. Exercise time, HRpeak, oxygen uptake(VO_2, L·min^-1, ml·min^-1·kg^-1), carbon dioxide production(VCO_2, L·min^-1), ventilation(L·min^-1) were examined in disability national elite male wheelchair basketball at letes(DA, N = 10), able-bodied wheelchair basketball athletes(AA, N = 10). All data were expressed in means and standard deviation. Exercise time, HRpeak, oxygen uptake, carbon dioxide production, ventilation were not different between groups. In conclusion, aerobic capacity of disability national elite male wheelchair basketball athletes is the same able-bodied wheelchair basketball athletes. These finding suggest that chronic wheelchair basketball training produce local adaptations in the functional upper body musculature.
송성암,김동균,배석태,김시범 동아대학교 공과대학부설 생산기술연구소 1996 生産技術硏究所硏究論文集 Vol.1 No.2
A study on the natural convection inside an L-shaped enclosure of which left wall is maintained at T_C and right wall and part of the bottom are T-H has been performed numeriacally for aspect ratio A=1, geometrically different five cases and for Ra=1×10³∼1×10^5. As the L-shape of the enclosure goes thinner vertically and horizontally like case 5, the mean Nusselt number at the left cold wall becomes smaller for same Ra, and there is little influence of the increase of Ra on mean Nusselt number.
이동배,심운택,이태용,오장균,정성훈 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.1
This study was conducted to investigate the prevalence rate and the relationship between causative diseases and self-help abilities in bed ridden patients of the elderly. The study group was composed of 1.568 peoples aged 65 or more, living in Taejeon city and Chungnam provincial area. The results obtained were as follows : 1. The prevalence rate of bed ridden patients were 5.7% in male, and 4.3% in female. The rates revealed increasing basis with the ages. 2. The prevalence rate was higher in city area with 6.1% than inland and seaside area with 4.3%, 3.7% respectively. 3. The mean age of bed ridden patients were 75.9 years in male. 78. 0 years in female. The rates were variable with residential area. As the cause of bed ridden patients the cerebrovascular disease was higher in urban than rural area. 4. The mean age of causative diseases was the highest in contusion and fracture with 82.8 years. The period of bed ridding was the highest in muscular disease and arthropathy with 60.2 monthes. 5. The average score of activity of daily living was the highest in muscular disease and arthropathy and followed by respiratory disease, other disease, senility, cerebrovascular disease, contusion and fracture with decreasing basis. But most bed ridden patients did the activity of daily living similar to those of normal persons. 6. The causative diseases were diagnosed mainly in general hospital, hospital. and herb medicine. but muscular disease and senility were in self-diagnosed. 7. The helper of bed ridden patients were mainly wives or daughters in law.
이규보,배선근,손상균,이재태,이건수,이경혜,서장수 경북대학교 병원 1997 경북대학교병원의학연구소논문집 Vol.1 No.1
1. 목적 급성백혈병의 화학요법에 있어서 관해유도 요법시에 보다 더 강력한 항암화학요법을 시행하고 골수억제의 회복을 위하여 말초혈액에서 채취한 조혈모세포의 투여로 그 효과를 증대시키고자 시도하였다. 2. 방법 관해유도 화학요법후에 골수억제시기로부터 회복단계로서 백혈구감소증이 호전도면서 단핵세포가 증가될 때에 말초혈액에서 조혈간세포(stem cell)로 인정되고 있는 CD34+세포의 함유량이 1% 이상되는 시기를 찾아내고 그 때부터 평균 4차례의 단핵구를 분리채집을 하여 -74。C에 냉동보관하였다가 제2차 화학요법후에 해동시켜서 정맥주입하였다. 3. 결과 대상 급성백혈병환자는 6명에 23회의 조혈간세포를 함유한 단핵구 채집을 시행하였고 유효한 단핵구의 채집은 4례에서 가능하였고 2례에서는 유효한 채집이 못되었다. 채집효율은 39.0-74.5%로서 평균 49.8%였다. 채집 후에 혈액학적 변화는 혈색소의 약간 감소 (평균 1.34g/dl)와 혈소판의 감소 (평균20.25%)를 나타내었다. 해동 단핵구를 투여할시에 일과성인 불쾌감, 기침, 흉부압박감, 호흡곤란 등이 있었다. 4. 결론 자가골수이식에서 자기말초혈액조혈간세포이식으로 관심이 이행되는 현시점에 자가조혈간세포를 채집하여 수혈하는 기술이 확립되는 기초를 이루었다고 본다. 이번 대상들은 재발된 금성백혈병들에 시행하였으나, 향후에는 초발시에 제일차 관해유도 화학요법 과정에 시도해야할 것으로 생각한다. Object: Peripheral blood stem cells(PBSC) were collected after remission induction chemotherapy and reinfused after intensified chemotherapy in order to increase the chemotherapeutic efficacy. Method: Collection of mononuclear cells (MNC) was started when CD34+ cells above 1% and WBC above 1,000/ul with mononuclear cell percentage above 30%, the collection procedures were done 2-6 time in each patient of total 6 cases. The collected MNCs were stored in - 750C and reinfused after thawing in the water bath at 370C Results: Twenty three collection procedures from the 6 cases of acute leukemia had made effective MNC collection in 4 cases and mean collection efficiency was 49.8%(from 39.0% to 74.5%). Hematological changes after the procedure were mean reduction of hemoglobin 1.34g/dl and mean 20.25% of decreased platelet count. There were noticed transient symptoms of discomfort, coughing, chest tightness and dyspnea in association with the infusion of stored cells. Conclusion: The basic process for the peripheral blood stem cell transplantation (PBSCT) was accomplished with this supportive care for the consolidation chemotherapy of acute leukemia. Effective PBSCT would be warrented with more qualified process and high does chemotherapy. (Korean J Blood Transfus 6(2) : 41~47,1995)
ZVS를 이용한 SEPP 고주파 공진 인버터의 특성해석
김동희,노채균,김종해,민병재,배상준 嶺南大學校 工業技術硏究所 1997 工業技術硏究所論文集 Vol.25 No.1
Applied the high frequency switching technology to the ower conversion circuits, the turn on and off loss of switch point out practically large the point at issue, in order to reduce switching loss, the switching method using tank resonant circuit be connected serial and parallel with load have been continuously investigated. This paper was described about principle and form of proposed circuit made use of soft switching technology ZVS(Zero Voltage Switching) and ZCS(Zero Current Switching) to reduce turn on and off loss at switching. Also, the analysis of the proposed circuit is described generally by using normalized parameter and basic operating principle and driving characteristics have been evaluated as to switching frequency and load parameter. Based on the charactristics value, a method of circuit design is proposed. In addition, Pspice's simulation and experimental waveforms are compared with theoretical ones. The experimental results shows that the proposed Inverter can be used practically such as power source system for induction cooker etc.