• 제목/요약/키워드: Investigation environment factor

검색결과 258건 처리시간 0.027초

해양사고의 피로도 조사 프로그램에 관한 연구 (A Study on the Fatigue Investigation Program for Marine Accidents)

  • 양원재
    • 해양환경안전학회지
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    • 제14권1호
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    • pp.77-82
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    • 2008
  • 최근 선박충돌사고 또는 좌초사고와 같은 중대한 해양사고를 조사할 때, 사고 관련자의 피로도(Fatigue)가 선박의 안전운항에 부정적인 영향을 미치는 인간과실(Human error) 유발요인으로 작용하여 항해사의 인지능력 및 업무수행능력을 저하시키는 중요한 요인으로 인식되고 있고, 이에 대한 많은 연구가 수행되고 있다. 본 연구에서는 국내 해양사고관련자에 대한 피로도를 체계적으로 조사 분석하기 위한 일환으로 미국연안경비대의 피로도 조사프로그램을 분석하여 국내 해양안전심판원 웹사이트에 조사프로그램을 구현하였으며, 그 결과를 고찰하여 효율적인 피로도조사가 수행 가능하도록 몇 가지 방안을 검토하였다.

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유비쿼터스 환경의 발전 단계에 따른 패션 제품 구매행동 연구 -의복쇼핑성향 집단별 구매의사 결정의 차이를 중심으로- (Fashion Product Purchase Behaviors in the Development Stages of Ubiquitous Environment -Focusing on Clothing Shopping Orientation and Consumer Purchase Decision Making-)

  • 정미재
    • 복식
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    • 제56권4호
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    • pp.33-47
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    • 2006
  • In 21 century, the ubiquitous environment is advanced fast through the so-called digital convergence. This research experts what is the next generation of traditional fashion product purchase behaviors. The purpose of this study is to analyze the fashion product purchase decision making in the development stages of ubiquitous environment. The quantitative Investigation was executed for 487 collegians and the data were analyzed with Frequency, percentage, ANOVA, Duncan test and multiple regression by using SPSS win version 10 package. The results of this research were as followed: First, in the 1st stages of ubiquitous developmental environment, using internet pc or mobile phone was analyze the difference between fashion shopping orientation group and purchase restricted factor Second, as a result of the factor analysis of the ubiquitous 2nd stages, four lower dimensions were made: giving information; wearable effect, buying facility; interest from purchase. as a result of ANOVA, there were any differences between fashion shopping orientation group and ubiquitous 2nd stages. Third, in the 3rd stages of ubiquitous developmental environment, there are differences between fashion shopping orientation group and ubiquitous 3rd stages. And the result from regression analysis of the ubiquitous 2nd stages and 3rd stages showed that buying facility factor in increasing need recognition, wearable effect factor in fashion information acquisition, giving information factor in have a intention to buy in ubiquitous #3 rendition are most influential.

CNG버스 복합재 압력용기 파열사고에 관한 법공학적 연구 (A Forensic Engineering Study on Bursting Accident of Composite Pressure Vessel in CNG Bus)

  • 김의수;김진표;박남규;김윤회
    • 한국안전학회지
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    • 제23권5호
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    • pp.15-21
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    • 2008
  • The bus using compressed natural gas(CNG) trend to be extended in use internationally as optimal counter-plan for reducing discharge gas of light oil due to high concern about environment. But, Composit pressure vessels(CPV) to be equipped with CNG bus is always involved in the point that safety accidents happen due to having compressed natural gas. In this report, we analysis the cause of CPV bursting accident by reviewing design and manufacture factor and suggest preventive measure through this case.

환경적 건강 관여 측정도구의 확인적 요인 분석 (Confirmatory Factor Analysis of the Environmental Health Engagement Profile)

  • 김현경
    • 부모자녀건강학회지
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    • 제17권1호
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    • pp.37-45
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    • 2014
  • Purpose: This study aimed to review measurements of environmental health behavior and assess the construct validity of Environmental Health Engagement Profile (EHEP) through confirmatory factor analysis. Methods: The literature review was performed for selection of measurements. Confirmatory factor analysis with AMOS 19.0 was used for validation of EHEP. Results: The model fitness was not appropriate in the one-factor model; $x^2=91.11$ (df=5, p<.001), Comparative Fit Index (CFI)=8.19, Non Normed Fit Index (NNFI)=6.39, and Root Mean Square Error of Approximation (RMSEA)=0.20. The model fitness was appropriate in the two-factor model; $x^2=3.19$ (df=1, p=.074), CFI=9.95, NNFI= 9.71, RMSEA=0.07. A modification of scale was found to be the most suitable for use in the investigation of environmental health behavior. Conclusion: This study confirms that a two-factor model underlies the concept of environmental health behavior. The review of measurements can help nurses and researchers to assess the environmental health behaviors.

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영동북부지역 전통민가의 변화에 관한 연구 - 왕곡마을을 중심으로 - (A Study on Traditional Fork House of Change in Northern part Young-Dong Region - the case of wang-gok villages -)

  • 임하나;김경호
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2004년도 추계학술대회 논문집
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    • pp.277-282
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    • 2004
  • A Study traditional folk house and primary factor from investigation of Wang-Gok villages space composition program which is contains regional color, economy, rationality. From that's all, Analysis the effect of modern life style to folk house space pattern change and a primary factor of northern traditional fork house type of Korea. 1. Analysis and arrangement space composition structure about natural${\cdot}$geographical${\cdot}$cultural environment. 2. Examination existing commoner's house research by a region, space program for understanding house pattern, specially double rows which are partitioned by walls in northern part of Young-Dong region. 3. Analysis folk house character and object house information. by the way, Investigation changing of commoner's house space program with modem life style.

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지형요인에 의한 절토사면 붕괴사례 (A Case Study on Cut Slope Failure due to the Geomorphological Factor)

  • 김승현;최지용;이종현;이정엽;구호본
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2009년도 춘계 학술발표회
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    • pp.1161-1170
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    • 2009
  • The Roads in Gangwon Province generally was made on purpose to use the military road. In case of these roads, tremendous dangerous cut slopes do exist and its road linear shape was badly designed. In order to make up for this situation, the government has continuously established the new road or performed the public works such as the straight line of the curved road. Soksil 2 cut slope was made through the road improvement work. This has small surface failures and collapses. In spite of dry season, this slope are leaking lots of groundwater at the unbelievable point. So as to get curious phenomenon right, we performed a detailed field investigation, the geomorphological analysis, the stability analysis considering field characteristic and ultimately proposed the countermeasure to make sure stability of Sokil 2 cut slope.

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축산용 자동급수기의 누전감지시스템에 관한 연구 (A Study on Leakage Current Detecting System for Automatic Waterer Using Livestock Barn)

  • 김두현;김성철;유상옥;김상렬;김윤복
    • 한국안전학회지
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    • 제26권4호
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    • pp.34-40
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    • 2011
  • This paper is purposed to develop an leakage current detecting system(LCDS) which can prevent electrical fires on breaker capacity expansion as well as ruptures of XL(Extra long) pipelines and power failure by operation of ELB(Earth leakage breaker) at auto water machine in winter. In order to develop LCDS, this paper studied field state investigation, field state experiment, development of leakage alarm system and verification experiments. Field states investigation at livestock companies(10 companies) in cheong-won location to deduce the problems of auto water machine is analyzed. The field state experiment is conducted at B livestock company in cheong won location. The field state experiment method is measured with leakage current when ELB tripped by environment factor(fine, cloudy, and rainy day). The LCDS is developed as MCU(Micro Control Unit) part applied leakage current values at B livestock company. Verification experiments for the leakage current detecting system were conducted by two methods of current supply and field test. Results show that LCDS suggested in this paper are valuable and usable in auto water machine based on environment factor, which will prevent severe damage to human beings and properties and reduce the electrical fires in livestock.

항공기 청소 노동자의 작업 만족도 및 유해인자 조사 (Investigation of Job Satisfaction and Hazardous Factors of Aircraft Cleaning Worker)

  • 최연학;김기연
    • 한국산업보건학회지
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    • 제30권2호
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    • pp.174-184
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    • 2020
  • Objectives: The purpose of this study was to improve the working environment by identifying the work satisfaction of the cleaning workers of the aircraft and measuring and assessing the harmful factors of the cleaning process. Methods: We asked 23 cleaning companies for questionnaires and got 100 answers from 5 companies. The A-E Airline health manager has been contacted to establish a site survey schedule. The in-flight and lounge were measured using direct reading equipment. The harmful factor to be measured are noise, dust, temperature, volatile organic compound, total airborne bacteria, and total airborne bacteria. Results: Uncomfortable positions when replacing blanket, cleaning the table, and cleaning the floor have been identified as factor that reduce work satisfaction. Noise when replacing newspapers and cleaning toilets has been identified as a factor that lowers work satisfaction. Temperature and humidity were found to reduce work satisfaction during in-flight disinfection. Measurements of aircraft cabin and lounge with direct read equipment have shown that none of the items exceed the exposure criteria. Conclusions: As a result of measuring direct-reading equipment, no items exceeded the exposure criteria for each harmful factor. A clear survey of the working environment is required based on the results, and additional research is needed using personal sample measurement.

초등교사의 구성주의적 과학 평가관 및 관련 변인 탐색 (The Investigation of Elementary School Teachers' Perceptions toward Constructivist Science Assessment and Their Relationship with Related Variables)

  • 노태희;윤지현;강석진
    • 한국초등과학교육학회지:초등과학교육
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    • 제28권3호
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    • pp.352-360
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    • 2009
  • In this study, we investigated the relationships among elementary school teachers' perceptions of constructivist science assessment, views on science teaching and learning, science teaching efficacy belief, and the perceptions of constructivist science learning environment. An exploratory factor analysis was conducted to validate the factor structure of the perceptions of constructivist science assessment test. The test consisting of 3 factors with 21 questions in the previous research was reconstructed as one consisting of 2 factors with 22 questions as a result of the factor analysis. A stepwise multiple regression analysis was also conducted to predict the explanatory powers of the variables on perceptions of constructivist science assessment. The results indicated that the perceptions of constructivist science learning environment, views on constructivist science teaching and learning, and personal science teaching efficacy belief were the significant predictors of the perceptions of constructivist science assessment.

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물류센터 근로자의 안전인식에 대한 요인분석 및 집단간 인식 비교 (Factor Analysis and Intergroup Awareness Investigation of Workers' Safety in Logistic Center)

  • 최현준;문상영;옥승용
    • 한국안전학회지
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    • 제30권4호
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    • pp.113-119
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    • 2015
  • This study is to examine the workers' awareness of the safety in logistic centers. For that purpose, the exploratory factor analysis of workers' safety awareness in logistic centers was performed at first, and the 6 variables extracted from the factor analysis were then used to investigate the difference in intergroup awareness of the safety environment in the logistic centers. We administered a survey to 147 workers attending the logistic centers and collected data from them. The results of the study showed that the intergroup awareness of the safety environment turned out to be statistically different from each other in terms of working environment, safe behavior, work risk, safety knowledge and effort, risk justification and compromising attitudes. Experiences in industrial accidents influenced awareness of working environment, work risk and risk justification. The group who experienced accidents is more likely to feel risky and unsatisfied with working place, and their awareness toward risk justification was high as well. It was also observed that there exists awareness difference between manager group and worker group. The group who manages the working place showed more positive awareness of working environment, safe behavior, work risk, safety knowledge and effort, risk justification and compromising attitudes than the worker group. On the contrary, the worker group showed high recognition in risk of working place, and felt that they are willing to compromise on safety for increasing production. The scale of the logistic center produced negative influence on awareness of safety. The group in small logistic center showed the highest awareness in safety, whereas the group in large logistic center with more than 100 workers showed the highest awareness in risk. They are more likely to deviate from correct and safe work procedures due to over-familiarity with the job, as well. The findings suggest that there is a need for the safety management and education to change the workers' understanding and attitudes towards safety.