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김정만,안정모,김원술,김정일,신해림,정갑열,김준연 동아대학교 산업의학연구소 2000 산업의학연구소 논총 Vol.- No.5
Blood Lead, Manganese, Aluminium and Silicon Concentrations in Korean Adults Jung Man Kim, Jung Mo Ahn, Won Sul Kim1), Jung Il Kim2), Hai Rim Shin, Kap Yeol Jung2), Joon Youn Kim Department of Preventive Medicine, College of Medicine and Industrial Medicine Research Institute. Dong-A University Department of Health Care, Handong University Sunlin Presbyterian Hotpital1) Department of Occupational Medicine, College of Medicine, Dong-A University2) 0bjectives : This study was performed to determine the reference values of blood lead, manganese, aluminium, and silicon in healthy adults. Methods : The subjects were 132 (67 male and 65 female), and classified to three age groups (≤39,40∼49, and 50≤). Hood lead, manganese and aluminium were analyzed by atomic absorption spectrophotometer, and blood silicon was analyzed by direct current plasma optical omission spectrometer. Results : Blood lead levels(geometric mean, S.D) were (3.49, 1.70) ㎍/dL in male auld (3.04, 1.65) ㎍/dL in female, but the difference is not significant, and there was no significant difference between age groups. Mean blood manganese level was 0.99±0.41㎍/dL, and there was no significant difference between sex or age groups. Mean blood aluminium level was 0.59±0.35㎍/dL and there was no significant difference between sex or age groups. Mean blood silicon level was 54.41±27.64㎍/dL in male and 43.34±23.51㎍/dL in female, and the level in male was significantly higher than that in female (p〈0.05). There was significant difference between age groups, and the oldest showed the highest level in male (p〈0.05), but no significant difference between age groups in female. Conclusions : Authors hope that this study would provide basic data for determininig reference values and evaluating health effects.
張甲錫,李相哲 한국체육대학교 부속 체육연구소 1989 체육연구소논문집 Vol.7 No.-
Infant of various experience of physical activitics improves basic motor ability as well as likes physical activities. Upon this experiences, motor ability is more development in infant's affective, cognitive, psychomotor ability. And It will be produced better in infant's growth and development. Insufficiency of experience of physical activities occur that unfitness movement, psychological illness, lack of self-confidence, physical weakness. Passively physical activity pattern in infant's have a tendency to isolated in age group. It would be affect to physically, psychologically sociologically growth and development in adoles cence. Therefore, desirable physical activitie experience in infant period develops appropriate motor fitness to his age and suggests premise for acquiring fundamental function of sports in the future as well as be important basic experience for infant's whole development. In consideration of apperance of infant "not able to play" and "not will play" in sociopathology, it is proper that infant's experience of physical activities is considered "preliminary experience" of development of human inside indispensably.
김갑진,허유,류운영 慶熙大學校 1980 論文集 Vol.10 No.-
In this study, it was tried to obtain the data about wool quality continued to the prior publication, some physical and chemical properties of wool from Jae Ju-Do in Korea where there have been bred about 1300 sheep of Romneymarsh and Corriedale were examined. The results, tested and analyzed, are as the followings. The scouring yield of wool from Jae Ju-Do is about 75%, which is higher than that of Australian wool and UnBong Wool. The quality number is 48's for Romneymarsh and 56's for Corriedale. The thickness is comparatively even. The content of cystine and cysteine is 524-532 μ mole/g which is approximately equal to that of Australian Merino wool and greatly higher than that of UnBong Wool. The above results suggest that Jae Ju-Do can be developed as a wool producing district in Korea.
최갑석,이대영 명지대학교 1972 明大論文集 Vol.5 No.-
This topics presents an approach to NAND & NOR gate design. The output connecting a designated gate to the network is to take out and is connected instead to a number of other gates in the network. The new connections are made and resulted networks are simplified logically by cross out redundancy. An input that exceeds fan-in limitation can be removed from a gate, and the number of levels in the subnetwork can be reduced by creating an internal inverter in that network. This is realized by removing all inputs except one from a gate and by reducing the number of levels by two, following the transform. This approach gives a powerful logic circuit simplification.
UV/TiO_2에 의한 수용성 염료의 분해에 관한 연구
정갑섭 한국환경과학회 2003 한국환경과학회지 Vol.12 No.3
The characteristics of photocatalytic decomposition of dye waste water by titanium dioxide was studied in a batch reactor under constant strength of ultra-violet ray. The decomposition rate of methyl orange by TiO_2 was pseudo-first order, anatase type TiO_2 was more effective than rutile type below the dosage of 5g. The decomposition rate was increased with decreasing initial pH, increasing reaction temperature B>eosin Y>methyl orange.
TiO₂ 현탁액에 의한 Brilliant Blue FCF의 광촉매 분해
정갑섭,최수일 한국환경과학회 2004 한국환경과학회지 Vol.13 No.6
In a batch reactor, the characteristics of photocatalytic degradation of brilliant blue FCF in titanium dioxide suspension was studied under the irradiation of ultra-violet ray. Photocatalytic degradation in anatase type of TiO₂ was more effective than in rutile type of TiO₂ below the dosage of 5g. The degradation rate was slightly increased with decreasing initial pH of brilliant blue FCF aqueous solution, but rapidly increased with the addition of oxidant. Potassium bromate acted as more effective oxidant than ammonium persulfate. The photocatalytic degradation rate of brilliant blue FCF was pseudo-first order with rate constants of 0.012, 0.006 and 0.003min^(-1) at initial pH 3.1, 5.2 and 7.1 of brilliant blue FCF solution, respectively.
김갑수,전종훈 嶺南大學校 工業技術硏究所 2004 工業技術硏究所論文集 Vol.32 No.1
The purpose of this study is to establish choice model for Residential Parking Permit Program(RPPP) and to analyze influence factors on RPPP, which was based on choice model established. Survey was separated into RPPP area and non-RPPP area and stated preference(SP) survey was conducted for each area The analysis results from study are as follows: 1) In the case of RPPP area, reason of agreement are stable parking space security, dissolution of complication of neighborhoods and reduction of an illegal parking vehicle. also, in case of non-RPPP area reason of agreement are stable parking space security, reduction of parking time, parking space prohibition of external vehicle. On the other hand, in case of RPPP area reason of opposite are inconvenience by parking of other vehicle, shortage of countermeasures about a vistor vehicle, difficulty of parking space assignment 2) In the case of RPPP area, influence factors on RPPP appeared parking distance, parking time1(all day), parking time2(day or night), parking fare, age and road width. On the other hand, in case of non-RPPP area it appeared with parking time1(all day), parking time2(day or night), degree of illegal parking controll, parking fare, frequency of vehicle use and road width.
첨단대중교통시스템을 위한 장ㆍ단기적 운영방안에 관한 연구 : - 대구광역시 시내버스를 중심으로 -
김갑수 嶺南大學校 工業技術硏究所 2001 工業技術硏究所論文集 Vol.29 No.2
The purpose of this study is to propose short-term service improvement strategies based on problems of operation system and long-term improvement strategies based on problem of service of urban bus in Daegu. The results are as follows; (1) Long-term service improvement strategies proposed are introduction of route pool to each urban bus zone already designed and bus information systems(BIS), restructuring of bus companies, bus route adjustment gradually and expansion of bus lane. (2) Short-term service improvement strategies proposed are drivers' and operators' voluntary effort for service improvement, introduction of service evaluation, considerations for on-time performance and efficiency, improvement of bus route guidance system, improvement of bus service for the handicapped and the aged people. These strategies described above would increase bus share, which would a base for resolving urban transportation problem, furthermore would provide best circumstance for effective and efficient application of advanced public transportation system introduced in the near future.