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평생건강교실 프로그램이 노년기 여성들의 건강관련체력과 혈중지질에 미치는 영향
장경태,이규성,안종철,김문희,이미화,오재근 韓國體育大學校 1998 論文集 Vol.21 No.-
The purpose of this study were to investigate the effects of participation of health program on health related physical fitness and blood lipids in olderwomen. The subjects participated in this study were 52 older who were participated physical activity program in Korean National University of Physical Education. The analysis of this study utilized one way ANOVA design. The results of the study were as follows : 1. According to taking the treatment periods(0, 6, 12), body composition, hand grip, sit and reach, sit up, and 3200m walking were no significant difference. 3. According to taking the treatment periods(0, 6, 12), TC, TG, LDL-C, HDL-C and VLDL-C were a significant difference in p<.001 levels.
장성태,정종대,정경석 한국기술교육대학교 2004 論文集 Vol.10 No.2
Water in liquid organic chemicals tends to lower power output or result in the failure of internal combustion engines. There have been lots of proved standard techniques of measuring the water contents in oil, such as distillation, coulometric Karl Fischer titration, and centrifuge. These techniques, however, are mainly for laboratory uses and hard to be used for the continuous monitoring application. Light absorption of water in the near-IR has been used to develop a sensor system to continuously detect water presence in the oil flow. Result shows functional correspondence in the output voltage of the sensor system and water concentration.
단기간의 체중감량이 유도선수들의 운동수행능력에 미치는 영향
박종필,장경태 韓國體育大學校附屬 體育科學硏究所 1997 韓國體育大學校附屬 體育科學硏究所論文集 Vol.16 No.1
To investigate the effects of short-term weight reduction and subsequent rehydration on performance of the judo players, eight college-age judo players performed cybex and 3 wingate tests, seperated by 45min or 1 hr, before and after weight reduction(5%). Muscle strength, anaerobic power, anaerobic capacity, blood lactate, and blood pH level were measured. The results were as follows: 1. There were no differences in muscle strength and total work capacity, measured by cybex, between pre and post weight reduction. 2. There were no differences in peak power and anaerobic capacity, measured by wingate test, between pre and post weight reduction. It was concluded that 5% weight reduction followed by 4 hours of food consumption did not decreased the physical capacity measured by multiple wingate tests.
콘크리트 중력댐의 한계균열길이와 복합균열의 거동에 관한 연구
김종수,장희석,장태영 釜慶大學校 1998 釜慶大學校 論文集 Vol.3 No.2
If cracks are occurred in the upstream side of the concrete gravity dam. judgement for the dam safety is of major interest, and the critical crack length can br used as one of parameters for this purpose. So, the critical crack lengths for the horizontal and slant cracks occurred in the upstream side of the dam were studied in detail here. When cracks are occurred in the dam, it is more genral that not a single crack but multiple cracks can be happened dimultaneously. So, mutal effect of such cracks were investigated when number, elevations, and directions of cracks were changed respectively. From this sudy, it could be seen that the shortest critical crack lengths are obtained between the angle 0 and -22.5 degree. And it could be known that the effective stress intensity factors at each crack tips were decreased due to the effect of the stress redistribution of the multiple cracks.
김종환,장순태 한국의사결정학회 1999 경영과학연구 Vol.8 No.-
Finite queueing system is an useful tool to decide the appropriate service capacities in various areas such as manufacturing systems, computer communication systems, and service systems. Particularly, queueing systems with fork/join structures can be applied to evaluate the performance of parallel processing systems, assembly/disassembly manufacturing, and distributed replicated database systems. In this paper, we present the approximation method for the simple ford/join queue with 3-siblings and blocking-before-service mechanism. To capture the ford/join phenomenon effectively, the buffer positions adjacent to the fork/join server are replaced by the artificial servers with infinite service rate. Such an approach make decomposition approach to be effective since the fork/join phenomenon can be applied into many small subsystems.
Pt/X-zeolite 촉매에서 n-Hexane의 방향족화에 미치는 Ir과 Re의 영향
김장희,이태진,최종언 嶺南大學校 工業技術硏究所 1995 工業技術硏究所論文集 Vol.23 No.1
The influences of Ir and Re as the second metallic elements of Pt/modified X-zeolite catalysts were studied for n-hexane reforming at temperature 500℃. Zeolite-supported catalysts were prepared by various methods and were compared to commercial reforming catalysts with respect to activity, product selectivity and catalyst stability. The characterization of the catalysts was carried out using XRD and DSC. The Pt catalysts on zeolite supports exhibited higher reforming activity and stability than commercial reforming catalysts supported on the alumina. The catalytic activity of zeolite-supported catalysts followed the sequence: Pt/KX>Pt/NaX>Pt/Na-cluster ??. The bimetallic catalysts containing Ir or Re in addition to Pt exhibited better activity, stability and aromatics selectivity compared to monometallic catalysts. Finally, we concluded that the bifunctional catalysts containing the second metals (Ir, Re) and less acidic supports account for the higher activity, lower deactivation tendency, and same or higher selectivity of aromatization.
기장도,박치영,류보열,김태종,모성환,곽재정,문철호,박근홍,박유환,정춘해 朝鮮大學校 附設 醫學硏究所 1996 The Medical Journal of Chosun University Vol.21 No.1
Chronic neutrophilic leukemia is a very rare myeloproliferative disorder which is characterized by severe sustained mature neutrophilic leukocytosis in peripheral blood (PB), hepatosplenomegaly, elevated leukocyte alkaline phosphatase, serum uric acid. serun viatmin B 12 and the bleeding tendency despite normal platelet count and coagulation time, absence of philadelphia chromosome, and the absence of fever or underlying infection or disease sufficient to mimic a leukemoid reaction. We have experienced a 34-years-old male patient with atypical chronic neutrophilic leukemia. On admission, the leukocyte count was 56,860/uL. severe neutrophic leukocytosis with 76% neutrophils and rare immature forms on PB smear. Many neutrophils had toxic granules, and vacuoloes. Leukocyte alkaline phosphatase score was decreased. The cytogenetic study showed Philadelphia chromosome negative with normal karyotype.
윤종태,장영환,정장표 경성대학교 생산기술연구소 1997 생산기술연구지 Vol.4 No.-
Recently, the high level noise from the water drainage duct in apartments raised serious social problems. Therefore, the development of noise reduction duct which can both keep the proper drainage function and have high efficiency of noise reduction is needed. In this study, the dual hallowed type of noise reduction duct was developed and its performance tests such as noise reduction effect, strength test etc, were conducted. From the results of performance tests, the noise reduction duct developed by this study was sufficient for market competition compared to pre-made PVC duct.