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共同住宅 居住者 特性과 住居環境滿足度의 相關關係에 관한 硏究
金基洙,朴碩鉉,梁富弘,崔生吉,朴義權,孫泰鎭,成基文 충주대 2004 産業科學論文集 Vol.12 No.-
The purpose of this research was to analyze the correlation of the characteristics of dwellers and residential satisfaction in apartment housing. The contents of this research is to identify characteristics of dwellers, which might have an influence on residential satisfaction in apartment housing. In conclusion, the number of a family, the floor level, the size of housing unit and tenure had statistically significant correlations with the residential satisfaction in apartment housing.
梁富弘,朴碩鉉,崔生吉,孫泰鎭,金基洙 충주대 2003 産業科學論文集 Vol.11 No.-
In this study, the potential energy and limitation of the facility of Chungju national university are analyzed in the respect of human knowledge, nature, and visual environment. In addition, the effctiveness and problem of the existing master plan are evaluated through the investigation on the main hart and development procedure of the previous master plan of CJU. These results are compared and reflected to the plan of Vision 2003, e-STRR2010 and effective campus development plans of CJU are presented.
척수손상·비손상인의 신체부위별 신체구성 및 골밀도 비교
김성수,황부근,김태수,이충일,양정수,이동희 한국특수체육학회 2003 한국특수체육학회지 Vol.11 No.1
This study was designed to compare segmental body composition and bone mineral density in spinal cord-injured(SCIS; n=9, SCIA; n=9) and non-injured control(AB; n=9) subjects. Dual-energy X-ray absorptiometry(DEXA) was used to measure %body fat, body fat mass, lean body mass, bone mineral contents, and bone mineral density in total and various body regions(arms, legs, trunk). The present results showed that body fat mass and %body fat were significantly higher and lean body mass was significantly lower in the SCIS group compared to AB group, while there was no difference between the SCIA and AB group in those of parameters. In BMC, there was no difference among groups and in BMD, SCI group was significantly lower that AB group, but there was no difference between SCIA group and AB group. Based on these results, in can be suggested that long-term regular exercise can reduce the negative changes in body composition, bone mineral density by spinal cord injury.
중등교육과정에서의 최대공약수와 최소공배수의 지도법에 관한 연구
김부윤,이양 釜山大學校 師範大學 1997 교사교육연구 Vol.34 No.-
In this note, we discuss an effective method of teaching g.c.d. and l.c.m. in high school class.
유기성 Sludge가 잔디의 생육과 토양의 화학적 특성에 미치는 영향
金鼎濟,梁在義,趙富衍 江原大學校 附設 環境硏究所 1991 環境硏究 Vol.8 No.-
Various kinds of the industrial wastes, when introduced into the environment, can cause many problems, Proper treatment and utilization of the wastes thus are one of the recent environmental concerns. A greenhouse experiment was conducted to investigate the influence of organic sludge from the beer manufacturing process on the growth of the Korean turf (Zoysia japonica, STEUD.) and the chemical properties of the soil. Treatment levels of the experimental organic sludge, which was pre-treated with quicklime, were ranged fom 0 to 20kg/m³. Sowing dates were 5 to 30 days elapsed after the sludge application. Increasing levels of the experimental sludge increased height, root length, number of leaf, and yields of the turf. Planting periods interacted with treatment level of the sludge to show a positive effect on the growth parameters. Uptakes of nitrogen and calcium were also enhanced by treatment. Soil organic matter and exchangeable Ca contents were increased by the sludge treatment. Sludge caused to increase soil pH upto 8.3 and this maintained for over 60 days. A possibility to utilize this organic sludge as a fertilizer could be supported by results of positive effects of this sludge on growth, nutrient uptake and soil fertility parameters, Further researches on the utilization of the industrial wastes, concerning on treatment level, long term effect, and a possible side effect, should be followed.
김부윤,이양 釜山大學校 師範大學 1997 교사교육연구 Vol.34 No.-
In this note, inducing method of matrices and linear transformations in high school will be introduced.
강희용,양성모,김봉철,임재중,용부중 한국공작기계학회 2002 한국생산제조학회지 Vol.11 No.1
Cochlea is well known to have the ability to analyze a wide frequency and this ability seems to be caused to the Basilar Membrane(BM) configuration. However, the relationship between the Cochlea frequency-position map is not clear. In this paper, the three-dimensional BM model was made using the Finite Element Method. Then, an attempt was made to examine the influence of the BM configuration on the Cochlea frequency-position map.
TGA 방법을 이용한 플라스틱과 하수·분뇨슬러지의 열분해 반응속도 연구
윤효숙,최성필,김성탁,원양수,신부영 嶺南大學校 環境問題硏究所 1997 環境硏究 Vol.16 No.2
요약문 도시 고형폐기물의 열분해 특성에 대한 기초 자료를 제시하고자 열중량분석기를 이용하여 가열속도를 실험변수로 하여 하수 및 분뇨슬러지와 5대 범용 플라스틱인 LDPE, HDPE, PP, PS 와 PVC의 열분해 반응속도인자 및 분해특성을 파악하였다. 활성화에너지는 가열속도에 상관없이 일정한 값을 나타내었으며 분해속도가 최고일때의 온도는 가열속도가 증가함에 따라 증가하였다. LDPE, HDPE, PP와 PS는 1단계 분해반응으로 350∼520 ℃에서 대부분이 완전분해되었으며, PVC는 2단계 분해반응으로 250∼550 ℃에서 분해가 진행되었다. 슬러지는 여러 단계의 분해반응으로 특정한 분해구간이 없이 전구간에 걸쳐서 분해가 진행되었다. PVC를 제외한 플라스틱은 완전분해되었으며, PVC는 약 10%의 잔류량이 있었고, 슬러지의 잔류량은 D 하수, S 하수, T 분뇨 슬러지의 순으로 43, 70, 28.5%를 나타내었다.Abstract The thermal decomposition of sewage/night soil sludge and LDPE, HDPE, PP, PS and PVC was studied by using a conventional dynamic thermogravimetric analyzer (TGA) in a flowing nitrogen environment at several heating rates between 5 ℃ and 40 ℃/min. The dynamic thermogravimetric analysis curve was analyzed to obtain the information on the kinetic parameters such as activation energy, reaction order, and Arrhenius preexponential factor. The activation energy keeps constant regardless of heating rates, and the temperature of he fastest decomposition increases with the heating rate. LDPE, HDPE, PP and PS were completely decomposed in the temperature range of 350∼520 ℃ including as the first step decomposition and PVC was decomposed in the temperature range of 250∼550 ℃ including the second step decomposition. Sludge was decomposed without specific temperature range as several decomposition step. Except of PVC, all plastics were decomposed completely. PVC keeps the remains of about 10%, and sludge keeps the remains of 43% for D sewage sludge, 70% for S sewage sludge, 28.5% for T night soil sludge.
이정석(Jungsuk Lee),윤문영(Moonyoung Yoon),양갑진(Kapjin Yang),송정훈(Jeonghoon Song),제우성(Woosung Che),부광석(Kwangsuk Boo),김흥섭(Heungseob Kim5) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
The fundamental reason of noise in gear system is transmission error due to deflection of gear teeth. The vibration from transmission error moves to shaft and bearing. This vibration generates bearing force which exite gear box and finally radiate as noise outside. Therefore, studying transmission error is the most important to predict which is the fundamental reason of gear noise. In this paper, transmission error due to teeth deflection was predicted and shaft torsion was not considered in order to find only teeth deflection. For this reason, shaft was modeled as rigid, and only gear pair was modeled as flexible body. transmission error was predicted by Abaqus, FEA program, and this was compared for Spur and Helical type.