4주 agility ladder 운동프로그램이 초등학생의 신체조성과 기초체력에 미치는 영향

최문기,김태운,전재영,김진홍 釜山大學校 附設 體育科學硏究所 2006 體育科學硏究所 論文集 Vol.22 No.1

The aim of this study was to evaluation the effect of 4weeks agility ladder exercise on body composition and physical fitness. Primary school students(n=7) participated in the aerobic exercise and agility Ladder exercise program(HRmax 60~80%, 55min/day, 5days/week). We measured their body composition and physical fitness items such as body weight(BW), Na+/K+, body cell mass(BCM), total body water(TBW), fat mass(FM), percent body fat(%BF), fat free mass(FFM), muscle mass(MM), basal metabolic rate(BMR), body mass index(BMI), flexibility, balance and hand grasping power......

서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1997)

김재홍,문득곤,김정수,김용준,임동진,박상훈,김희성,이민수,송기훈,김갑형,김형석,성소영,이인섭,김석우,황지환,조창근,김경문,부태성 대한화학요법학회 2000 대한화학요법학회지 Vol.18 No.3

Background : In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. Objective & Methods : For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1997. 99 strains of N. gonorrhoeae were isolated, among which 45(45.5%) were PPNG. Conclusion : The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 45.5% in 1997.

3상 농형유도기를 사용한 자여식 단상유도발전기의 속도특성

김재민,홍문석,진충민,좌종근 제주대학교 산업기술연구소 1999 尖端技術硏究所論文集 Vol.10 No.2

The speed characteristics of self-excited single-phase induction Generator using Three-Phase Squirrel-Case Induction Machine which has only two series capacitors with respect to the load are analyzed in this paper. The symmetrical component method and the condition of equivalent circuit are applied to develop an equivalent model of this generators. The speed characteristics of this generator are computed by using this model and compared with those of the self-regulated generators.

서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)

김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2

Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.

생물검정법을 이용한 하수슬러지 장기연용 토양의 독성평가

남재작,이승환,권순익,홍석영,임동규,고문환,송범헌 한국환경농학회 2004 한국환경농학회지 Vol.23 No.4

생물검정법에 의한 토양 내 독성평가의 유용성을 확인하기 위해 두 종류의 하수슬러지를 7년간 연용한 토양을 Microtox^(?) 생물검정법과 상추종자 뿌리 신장법을 사용하여 독성을 평가하였다. 이 방법들은 하수오니의 종류나 시용량에 따른 토양의 독성 정도를 잘 평가 할 수 있었다. 상추종자 뿌리 신장법은 특별한 장비나 복잡한 처리 없이도 유의성 있는 결과를 구할 수 있었고 Microtox^(?) 검정법은 전반적으로 재현성과 감도에서 유의성이 있었으며 또한 유기화합물에 대한 종합적인 평가도 가능하였다. 하수오니와 같이 다양한 화합물이 혼재되어 있는 유기성 자원의 토양 시용시 기존의 제한된 화학성분의 토양 분석법만으로는 독성평가에 한계가 있고 또 개별적으로는 별 영향이 없더라도 여러 화합물이 복합적으로 존재할 때 나타나는 독성작용에 대한 평가는 더욱이 어렵다. 그러므로 이러한 영향을 종합적으로 평가할 수 있는 생물검정법이 토양의 독성 평가에서 화학분석법을 보완하는 평가방법으로서의 중요성은 충분하다고 할 수 있다. 그리고 생물독성법의 유용성을 높이기 위해서는 생물검정법의 시료 추출방법 개선과 실험의 재현성을 높이기 위한 노력이 필요하리라 생각된다. 따라서 이런 생물검정법의 많은 제약에도 불구하고 환경의 종합적인 평가에 있어서 생물검정법의 중요성은 대단히 크며 직접적으로 생물을 이용하는 방법뿐만 아니라 유전독성 평가 방법 등 다양한 방법들이 환경독성 평가에 응용될 수 있을 것으로 판단된다. Bioassay was employed to assess toxicity of soil which had been treated with sewage sludges for seven years. The Microtox^(?) and root elongation test of lettuce (Lactuca Saliva) elucidated that the intensity of soil toxicity was closely related with the types and amount of sewage sludges applied. Both bioassay methods proved to be useful in an assessment of soil toxicity and were consistent to some extent with the conventional chemical analysis methods. EC_(50) values resulted from Microtox^(?) were highly correlated with concentration of heavy metals in soils amended with sewage sludges : Cu (r²= 0.86^(**)), Cr (r²= 0.84^(**)), Ni (r²= 0.83^(**)), and Zn (r²= 0.69^(**)). This demonstrated that both bioassay techniques could be employed as tools for soil toxicity assessment when the soil was exposed to solid wastes such as sewage sludge.

3상 농형유도기를 사용한 자여식 단상유도발전기의 속도특성

김재민,홍문석,진충민,좌종근 濟州大學校 産業技術硏究所 1999 산업기술연구소논문집 Vol.10 No.2

The speed characteristics of self-excited single-phase induction Generator using Three-Phase Squirrel-Case Induction Machine which has only two series capacitors with respect to the load are analyzed in this paper. The symmetrical component method and the condition of equivalent circuit are applied to develop an equivalent model of this generator. The speed characteristics of this generator are computed by using this model and compared with those of the self-regulated generator.

산처리에 의한 정수슬러지 감량화

이병문,권재현,안규홍,이석헌,권대영 대한상하수도학회 2003 상하수도학회지 Vol.17 No.1

The acidic treatment of waterworks sludge released organic materials as well as inorganics such as Al, Fe and Mn. Through solubilization as mentioned above, the content of suspended solids reduced by 18% at final pH 3.5. It also increased thickening efficiency and dewaterability of sludge. However overdosing of H_2SO_4 made dewaterability deteriorated. It showed that the optimal condition of acidic treatment be as follows; 5.5㎖ dose of H_2SO_4(97%)/1 sludge, final pH 3.5 and 15minutes of reaction time. Under these conditions, reduction efficiencies of sludge through thickening and dewatering were 57% and 92.2% respectively and then 7.8% of raw sludge released as cake compared to 10.5% without acidic pre-treatment. Therefore, mass of dewatered cake decreased by 26% through acidic treatment. Water content of dewatered cake was reduced from 71% to 62% due to this treatment. The changes of sludge properties including particle size, zeta-potential and bound water by acidic treatment appear to be important keys in assesment of the improvement of sludge dewaterability.

임상치험례를 통한 보정의 중요성에 관한 고찰

김재형,홍성준,문동주 全北大學校 齒醫學硏究所 1986 전북치대논문집 Vol.4 No.1

In orthodontics, although the patient may feel that treatment is complete when the appliances are removed, an important stage lies ahead. Orthodontic control of tooth position and occlusal relationships must be withdrawn gradually, not abruptly, if excellent lond-term results are to be obtained. The type of retention should be inclued in the original treatment plan. The purpose of this study was to observe the importance of posttreatment retention.

消費者의 法的 保護(1) : 普通去來約款을 中心으로

李鴻旭,金汶在 효성여자대학교 새마을연구소 1989 새마을硏究論文集 Vol.9 No.-

지역농협의 금융서비스 품질결정요인에 관한 연구

손재영,홍현문,고도영 한국산학경영학회 2004 산학경영연구 Vol.17 No.1

본 연구는 금융시장의 환경변화에 따라 어려움을 겪고 있는 지역농협이, 농협 금융서비스에 대한 고객의 욕구를 파악하고 추후 고객지향의 다양한 전략구사나 서비스를 개선하는데 도움이 될 목적으로 이루어지게 되었다. 연구는 이론고찰과 실증분석을 통해 이루어졌다. 먼저 "서비스"와 "서비스 품질"에 대한 이론적 고찰을 통해 본 연구의 모형을 도출하였다. 연구모형에서 제시한 연구내용을 분석하기 위해 농협 금융서비스를 이용하는 고객을 대상으로 설문조사를 실시하였다. 설문결과를 분석하기 위해 SPSS Win 10을 이용하여 빈도분석, 요인분석, t-test, 회귀분석, 교차분석을 실시하였다. 분석 결과, 지역농협의 금융 서비스 품질결정요인으로 신뢰성, 공감성, 유형성, 편의성이라는 요인이 추출되었고, 이들 요인에 대한 기대서비스와 지각서비스에 차이가 있는 가에 대한 분석 결과 차이가 있는 것으로 나타났다. 특히 모든 요인에 대한 변수의 (지각수준 - 기대수준) 값이 마이너스로 나타나 기대수준 보다 지각수준이 낮음을 알 수 있다. 또한 서비스 품질 결정요인들이 고객만족에 영향을 미치는가에 대한 분석 결과, 편의성을 제외한 신뢰성, 공감성, 유형성 요인들이 고객만족에 영향을 미치는 것으로 분석되었다. 고객만족에 영향을 미치는 요인 중 특히 공감성, 유형성, 신뢰성 순으로 회귀계수의 크기가 나타나 공감성이 고객만족에 가장 큰 영향을 미치는 것으로 나타났다. 서비스 품질 결정요인들이 재구매에 영향을 미치는가를 알아본 결과 신뢰성, 공감성, 유형성, 편의성 요인 모두 재 구매에 영향을 미치는 것으로 분석되었다. 4개 요인 중 공감성의 회귀계수가 가장 크게 나타났고 이어 신뢰성, 편의성, 유형성의 순으로 나타나 재구매에도 공감성 요인이 가장 큰 영향을 미치는 것으로 분석되었다. 마지막으로 지역농협 금융 서비스에 대한 고객의 만족/불만족과 재구매와의 관계를 분석했는데 두 변수사이에 유의한 관계가 있는 것으로 분석되었다. After IMF crisis in late 1997, the environment of banking industry has become competitive. To survive in this circumstance, the Local Nong-Hyup is needed to understand the customer's needs and improve the service quality. To achive the purpose, two methods were employed in this study. The first corvered the review of related literature on service. The second adopted field survey approach for data. The study model was developed using Venkatakrishnan & Jagannathan's "An Enhanced Model for Measuring Service Quality" model and details of study as follows. 1. What is the determination factors of service quality for Local Nong-Hyup. 2. Are there differences between "service perception" and "service expectation" for Local Nong-Hyup. 3. Does banking service determination factor of Local Nong-hyup affects customer's satisfaction. 4. Does banking service determination factor of Local Nong-hyup affects customer's repurchase. 5. Does customer's satisfaction for Local Nong-hyup relates repurchase. The samples of this study were extracted at random from the customers of Local Nong-hyup. The results of the questionnaire were analyzed to do frequency analysis, factor analysis, t-test, regression analysis, cross sectional analysis using SPSS Win 10. The results are as follows, First, as determination factors of service quality for Local Nong-Hyup "Reliability, Empathy, Tangibles, Convenience" were extracted by factor analysis. Secondly, using t-test, it was found that there are factor's gap between service anticipation and service perception. Thirdly, using regression analysis, it was found that except Convenience factor, Reliability, Empathy and Tangibles factors affect customer's satisfaction. Forthly, using regression analysis, it was found that all the factors affect repurchase. Finally, using cross sectional analysis, it was found that customer's satisfaction and customer's repurchase correlate.