• 대한설비공학회:학술대회논문집
• /
• 대한설비공학회 2008년도 하계학술발표대회 논문집
• /
• pp.976-980
• /
• 2008

Ventilation equipment performs a cental role to maintain comfort subway environment. So ventilation equipment of Busan subway first line is needed to improvement thermal environment. In this study, condition of thermal environment is presented to improve ventilation equipment at existing subway station platforms by measuring thermal environment of platforms operated ventilation equipment at 14 stations of Busan subway first line. AWS of data in comparison with the neighbouring platforms and thermal environment analysis.

• 대한안전경영과학회지
• /
• 제12권3호
• /
• pp.81-91
• /
• 2010

This study carried out the investigation about the actual conditions of the management, disaster analysis and safety awareness on excavator in one of construction equipment and tried to make it's preventive measures. To achieve this, first of all, the accident of the internal Construction Industry process Investigation and Analysis, and then analyze an cause of accident based on it. Next, For the conditions of safety management conduct a survey to Investigation and Analysis and Propose preventive measures. The results of this study can be summarized as follows. 1st, Status of safety awareness and management of construction equipment tend to seek quickly and easily for the interests of sight. 2nd, Half the precincts of the equipment is causing major disaster. 3rd, The risk of excavator operation's indicators and drivers is so much potential. 4th, The preventive measures are needed for strengthening safety education, professional legal education, changes in safety awareness, the development of prevention system.

• International Journal of Computer Science & Network Security
• /
• 제22권2호
• /
• pp.261-271
• /
• 2022

The study aimed to identify the impact of the application of technical equipment for infrastructure to achieve the quality of e-learning for students in the faculties at Northern Border University, in Arar city. The study applied the analytical survey study method. To achieve the study purpose, the researcher prepared a study tool which is a questionnaire to measure the impact o of applying technical instrument for the infrastructure to achieve the quality of e-learning for students. The study sample size reached (218) students from both groups from the university faculties in Arar city. The results of the study revealed a tendency in the study sample's responses to the availability of the majority of the questionnaire criteria significantly. This indicates the positive impact of the application of technical equipment on the infrastructure to achieve the application quality of e-learning at Northern Border University, the study recommended the following: The need to pay attention to measuring the quality of electronic courses every two years in addition to the need to adjust the quality standards of e-content provided through e-learning platforms. Also, there is the gradual application of e-learning at the university in addition to spreading the culture of e-learning quality among all groups of the university community. Also, it is necessary to direct them towards benefiting from the advantages of e-learning that observes quality standards.

• 지역연구
• /
• 제12권2호
• /
• pp.1-19
• /
• 1996

The purpose of this paper is to evaluate the accuracy of input coefficients which are usually estimated by various non-survey methods. The resulting analysis showed that there were considerable differences employed. One of the interesting findings was that the simple LQ method was shown to be better then the other non-survey methods with respect to the degree of accuracy. And from a sensitivity analysis which was to show the effect of changes in input coefficients on the level of production by industry, an increase of 10% in the value of input coefficient (machinary and equipment setor) resulted up to 500billion Won in GRP for the case region. Therfore one of the implications which we can derive from the resulting analysis is that it necessary to pay attention to the key coefficients first to save out time and money, while retaining a certain level of accuracy. One thing to be noted, however, is that the key coefficients but the total effects which are calculated through the Leontief inverse matrices. Therfore to enhance the accuracty of input coefficients estimated by nonsurvey methods it is required to handle the relevant setoral data more carefully or to employ semi-survey method in part.

• 한국주거학회논문집
• /
• 제19권5호
• /
• pp.85-92
• /
• 2008

The aim of this research is to develop the sentiment indicators of housing welfare for evaluating housing welfare policies conducted by the Korean government. The methods of this research are used by analysis of related documents, FGI (Focus Group Interview), and survey. The survey was made by experts and consumers. To analyze the survey, this research also uses confirmatory factor analysis by SPSS (Statistical Package for the Social Science) program, AHP (Analytical Hierarchy Process) by Expert Choice program, frequency, average, percentages, Factor analysis etc. As a result of this research, selected housing welfare indicators are settled as follows: In the housing welfare aspect, 11 indicators in the department of 'Housing Satisfaction' and 11 indicators in the department of 'Community Satisfaction' (22 in total) are suggested. The indicators are 1) Water Supply and Distribution Equipment 2) Heating equipment 3) the size of the exclusive residential area 4) the number of rooms 5) Ventilation and Lighting 6) Sound Insulation (Indoor Noise) 7) Air Pollution/Odor 8) House Deposit 9) Rent Paid 10) Maintenance (Dwelling) Cost 11) The length of Occupation 12) Proximity to Welfare Facilities 13) Educational Environment 14) Convenience of Facilities (shops, hospitals etc.) 15) Convenience of Transportation and Commuting 16) Distance from Workplace 17) Landscape and Green Space (Tree, Flowers, Grass etc.) 18) Vandalism (Destruction Behavior, graffiti etc.) 19) Privacy 20) Noise in Public Places (Drinking, Loudly Talking etc.) 21) Safety from Crime 22) Safety from a Disaster. As of 2007, the housing welfare sentiment index is measured by the survey of 1,000 inhabitants in the public housing, which shows 3.51.

• 수산해양기술연구
• /
• 제55권2호
• /
• pp.162-171
• /
• 2019

This study is aimed to develop an improved shellfish dredge vessel considering the increase of the fishing safety and welfare of fishermen in Jeonnam province. We visited five fishing village societies in Korea, and conducted field surveys and survey questions to investigate the current status. In order to solve the problems presented by the investigation, a general arrangement of the improvement vessel was written and adopted after meeting between the fishermen and research team, and calculated the initial stability in five loading conditions by using the Napa program. As a result of field surveys and survey questions, the existing vessel have buoyant materials under the bow and the warp pass through the wheel-house. In addition, most fishing equipment and nets are concentrated on a narrow stern, making it difficult to work efficiently. According to the survey, fishermen also responded that operation of casting and hauling is very inconvenient. The fishing equipment of the improvement vessel was rearranged, the size of the wheel-house and the crew room was increased, and we secured a basic welfare space. As a result of the initial stability test, the stability criteria of the fishing vessel were satisfied in all loading condition.

• 기계저널
• /
• 제19권1호
• /
• pp.306-313
• /
• 1979

장치의 사용수명과 유지비는 수명주기간의 비용분석을 수행하는데 꼭 필요한 자료들이지만, 당장 이용할만한 것이 없을 뿐만 아니라 이의 명확한 정의에 관해서 조차 혼동하고 있는 사정이다. 이 논문은 ASHRAE TC 1.8, 소유 및 운전비용, 의 제정지원으로 수행된 연구과제 186에 대한 보 고서로서 뉴멕시코의 Albuquerque에서 열렸던 ASHRAE 1978년예회의에서 발표된 내용이다.

• 한국화재소방학회:학술대회논문집
• /
• 한국화재소방학회 2006년도 춘계학술논문발표회 논문집
• /
• pp.316-322
• /
• 2006

• 한국대기환경학회지
• /
• 제29권5호
• /
• pp.601-614
• /
• 2013

The commercial charcoal kiln was projected the largest source of biomass burning sector in Korea. Commercial charcoal kiln was operated to emit air pollutants into the air without any air pollution prevention equipment. The object of this field survey was to understand characteristics of air pollutants concentration and emission factors and to provide preliminary data for effective processor from oak charcoal manufacturing process. As result of field survey, TSP, $PM_{10}$ and $PM_{2.5}$ concentration from charcoal kiln were 400~37,000 $mg/m^3$. These values were over the 100 $mg/m^3$ in TSP, this value was effluent quality standard of Clean Air Conservation Act. The average concentration of CO, $SO_2$ and TVOC were 2~5%. 0~110 ppm and 820~10,000 ppm respectively. The emission factors were 42.4 g-PM/kg-oak in TSP, 40.3 g-PM/kg-oak in $PM_{10}$, 38.2 g-PM/kg-oak in $PM_{2.5}$, 182.5 g-CO/kg-oak, 1.0 g-NO/kg-oak, $SO_2$ 0.2 g-$SO_2/kg$-oak and 104.4 g-TVOC/kg-oak. The part of commercial charcoal kiln had air pollution prevention equipment but it was difficult to work properly. Much wood tar excreted in exhaust emissions from oak charcoal manufacturing process. This wood tar was cause of many troubles sticking in the air pollutant prevention equipment. For handling particulate matters and gaseous air pollutants from oak charcoal manufacturing process in biomass burning, air pollutant prevention equipment design and management needs preprocessor for removal wood tar.

• 대한영양사협회학술지
• /
• 제11권2호
• /
• pp.179-189
• /
• 2005

The purpose of the study was to investigate the relationships between dietitian’s job satisfaction and perception of barriers to HACCP implementation and food safety/sanitation management performance in school food service. An e-mail survey was conducted to 144 dietitians in Gyeongbuk Province. A response rate was 57.6%(N=83) and data were analyzed using SPSS Windows(ver. 10.0). Dietitians were more satisfied with ‘supervision’ and 'co-workers' than 'pay' and 'promotion.' Dietitians perceived 'lack of teachers' support on student education' and ‘limited availability of facilities/equipment' as the biggest challenges in implementing a HACCP system. A total score of sanitation/safety management performance evaluated by school districts was 92 out of 100. By category, 'safety management' and 'personal hygiene' were rated the highest whereas 'facilities/equipment' and 'HACCP system' categories were rated the lowest. The food sanitation/safety management performance scores were not correlated to dietitian’s job satisfaction, but significantly correlated to dietitian’s perceptions of barriers to HACCP implementation. As dietitians perceived facilities/equipment-related barriers greater, the scores of 'facilities/equipment(p<.01),' 'production process(p<.05),' and 'total score(p<.01)' were significantly lower. The findings suggest that more investment on facilities/equipment are needed for food safety improvement and successful HACCP implementation in school food service. Proper facilities and equipment will make employees monitor CCPs and take corrective actions more easily.