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태권도 체육관 및 수련생 특성에 따른 지도자 만족도 분석
최상진,백우석,조옥성 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.20 No.1
This study is aims to suggest the basic data providing various services for the trainees in Taekwondo training centers. The subject of this study were the training centers in Seoul and Gyeonggi-do. And this study used the questionnaires used by Kim Seon-Hwa(2000), Kim O-Seong(2001), Kim Eun-Cheol(2001) and I added several qustions that were considered to be necessary for this study. In addition, I analyzed the data from 904 trainees randomly selected and computerized the results to fit for the purpose of this study using Windows SPSS/PC+ 10.0 Version. This study concluded as follows. 1) The leaders' satisfaction by area were a taekwondo training center was located, was significant difference in p<0.001. 2) The leaders' satisfaction by shopping mall were a taekwondo training center was located, was significant difference in p<0.01. 3) The leaders' satisfaction by the numbers of trainers was significant difference in p<0.001. 4) The leaders' satisfaction by sex distinction was significant difference in p<0.01. 5) The leaders' satisfaction by the grade of trainers was not significant difference. 6) The leaders' satisfaction by level of trainers was significant difference in p<0.01.
AC8A-T6 알루미늄 合金材의 切削加工 特性에 關한 硏究
최현민,김경우,김우순,김용환,김동현,채왕석 한국공작기계학회 2002 한국공작기계학회 추계학술대회논문집 Vol.2002 No.-
In this study, examined the cutting characteristics of alumuminum alloy AC8A-T6 that is used to present car piston materials. And in been holding materials machining empirically escape as result that experiment comparison changing the cutting speed and feed on various condition to choose efficient machining condition. The following results can be summarized from this research. 1.As the cutting speed decreased, principal cutting force and thrust cutting force is increased, and reason that cutting force interacts greatly in the low cutting speed is thought by result by BUE's stabilization. 2.The feed speed and cutting speed increase, friction factor is decrescent and the cause appeared the thrust cutting force is fallen than cutting force relatively because chip flow according to increase of the feed rate is constraint. 3.Though specific cutting resistance grows cutting area and the feed rate are few, the cause was expose that shear angle decreases by rake face of tool gets into negative angle remarkably as wear of a cutting tool or defect part of workpiece is cut. 4.Cutting speed do greatly depth of cut is slow, surface roughness examined closely through an experiment that becomes bad, and know that it can get good surface that process cutting speed because do feed rate by 0.1㎜/rev low more than 250m/min to get good surface roughness can.
최석우 가톨릭대학교 사목연구소 2000 司牧硏究 Vol.8 No.-
지난 50년 동안을, 나는 보좌신부로 시작하여 소신학교 교사, 해외유학, 대신학교 교수, 본당신부, 연구소 전담 등 꽤 다양하게 보냈다. 이에 관한 이야기를 구체적으로 시작하기 전에 편의상 이 50년을 시기로 구분해 본다면, 처음 보좌와 유학 등으로 보냔 12년은 사제로서의 기반을 좀 더 확고히 한 계기로 볼수 있다면, 다음 13년을 그것을 바탕으로 하여 본격적인 학문 활동과 사목활동을 전개한 시기로 , 마지막 25년은 오로지 교회사 연구에 몰두한 시기로 볼 수 있겠다. 첫째시기에 관한 이야기는 지면 관계로 생략하기로 하고, 둘째와 셋째시기에 관해서 중점적으로 이야기를 하고자 한다.
血液에서의 Hemoglobin A_(1C)에 관한 硏究
崔友錫 진주교육대학교 1984 論文集 Vol.28 No.1
Studies hemoglobin A1C and glucose in normal and diabetic patient of adults and children. The obtained result were as follows: 1. In adult normal, HbA1C mean value was 6.0±0.88%, glucose me valuea wins 111.2±12.37mg/dl and correlation coefficient r was 0.5416. 2. In adult diabetic patient, HbA1C mean value was 9.4±1.72%, glucose mean value was 202.2±64.93mg/dl and correlation coefficient r was 0.0666. In normal children, HbA1C mean value was 5.1±0.86%, glucose mean value was 93.6±19.99mg/dl and correlation coefficient r was 0.8086. 3. In children diabetic patient, HbA1C mean value was 10.0±1.59%, glucose mena 4. value was 173.5±45.20mg/dl and correlation coefficient r was 0.6860.
崔友錫 晋州敎育大學校 科學敎育硏究所 1977 科學敎育硏究 Vol.3 No.-
We think accidents can be early prevented and carry on elementary science-course, prompting the spread of precise knowledge for drugs using experimental research at the room for materials in primary school education. Especially we need technical knowledge for preserving and dealing with powerful poisons; CuSO₄, CH₃OH, NH₄OH, I₂, NaOH, H₂O₂, HCl, etc. And hence we have to keep the accuracy of process in experimentation or expert knowledge through selecting drugs effectively. And we studied the properties of them and the range and limit of use in teaehing, or as the results of this study-process. We analyzed and experimented above points at issue through rigid and practical experimentation-process.