• Title/Summary/Keyword: development factor

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A Study on Development of Flood Vulnerability Evaluation Indicators for Sewage Treatment Plant (환경시설물 대상 홍수취약성 평가지표 개발에 관한 연구 - 하수처리장을 중심으로 -)

  • Roh, Jae-Deok;Han, Ji-Hee;Lee, Chang-Hee
    • Journal of Convergence for Information Technology
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    • v.10 no.12
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    • pp.110-118
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    • 2020
  • This study developed a evaluation indicators on environmental facilities highly vulnerable to flood damage from quantitative and qualitative perspectives in order to reinforce the ability or preemptive disaster prevention. At first, this study classified the facilities into structural factor and non-structural factor. The structural factor consists of 11 indicators, the non-structural factor consists of 8 internal indicators and 6 external indicators. This study is expected to be prepared for flood damage by evaluating flood vulnerability of environmental facilities.

A Study on the Improvement of Misfire Detection Method with Vibration by using the Weight Factor (후진동이 나타나는 실화 진단 방법에서 가중치를 이용한 성능 향상에 대한 연구)

  • Lim Jihoon;Lee Taeyeon;Kim Ealgoo;Hong Sungrul;Sung Jinho;Park Jaehong;Yoon Hyungjin;Park Jinseo;Kim Dongsun
    • Transactions of the Korean Society of Automotive Engineers
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    • v.13 no.4
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    • pp.74-80
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    • 2005
  • This paper presents a misfire monitoring method by using the weight factor. According to OBD II(On-Board Diagnostics) regulations of the CARB (California Air Resources Board), an ECU (Electronic Control Unit) should detect misfires which occur in the internal combustion engine. A misfire is 1311owe4 by post-oscillations for short duration. Sometimes, the amplitude of oscillations may be as high as misfire and can be falsely detected as another misfire. To prevent this, the software designers do not attempt to detect another misfire for this short duration, during which the post oscillations exist. Because of this, ECU does not detect all the misfires and hence, the unstable state of automobile cannot be detected. If this happens for a long time, automobile may get damaged. To solve these problems, this paper suggests a new algorithm to detect misfire by using weighting factor Weighting factor is a concept to distinguish the misfire with the post oscillation and to improve the detection rate. This value of weighting factor is used for counting the misfire. This paper also shows the result of experiment done on a automobile using this software. The software is implemented using ASCET-SD which is preferred in the design of engine control. This paper's result show the possibility of improving the misfire detection by implementing this algorithm.

Development of Work Stress Measurement Tool for Academic Librarians (대학도서관 사서의 직무스트레스 측정 도구 개발)

  • Lee, Jong Yoon;Cho, Hyun Yang
    • Journal of the Korean Society for Library and Information Science
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    • v.47 no.3
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    • pp.181-205
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    • 2013
  • The purpose of this study is to develop a job-stress scale for librarians who work in university libraries. The study was first conducted by analyzing existing representative job-stress scales that are used domestically and internationally. To understand the characteristic of particular job stress that academic librarians have, the in-depth interview among qualitative research methods was selected, and 15 librarians who work at a 4-year system university libraries participated in this study. Based on the results of the questionnaire survey, the reliability and validity were verified. To analyze the validity, exploratory factor analysis was carried out. To extract factors, principal component analysis was used. To extract factors, principal component analysis was used. For the rotation method, a varimax rotation was applied. A tertiary measurement tool with a total of 46 questions for 11 factors was developed after removing measurement questions that were rejected as a result of the analysis. As a result of factor analysis on the tertiary measurement tool, 11 factors were extracted. Those 11 factors include 'peer relation conflict factor(factor 1)', 'superior-subordinate relation conflict factor (factor 2)', 'work compensation evaluation factor(factor 3)', 'emotional labor factor(factor 4)', 'physical environmental factor(factor 5)', 'employment stability(factor 6)', 'job demand factor(psychological) (factor 7)', 'decision-making and responsibility factor(factor 8)', 'work complexity factor(factor 9)', 'work boundary conflict factor(factor 10)', and 'job demand factor(physical)(factor 11)'.

Development and Validation of Change Motivation Scale for Growth and Development (성장 및 발전을 위한 변화동기 척도 개발 및 타당화)

  • Lee Eun Joo;Tak Jin kook
    • The Korean Journal of Coaching Psychology
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    • v.7 no.1
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    • pp.59-89
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    • 2023
  • In this study, change motivation for growth and development is defined as 'the power to set a specific action direction for change based on the perception of one's current behavior in order to achieve a goal that one considers important, and to be willing to act'. In addition, the purpose of this study was to develop and validate a scale to measure the motivation for change for growth and development of general adults. To develop preliminary questions, interviews were conducted with 7 coaching experts and 9 experienced coaches, and an open-ended questionnaire was conducted with 55 adults. Afterwards, 7 factors and 83 questions were selected through three rounds of item classification and content validity verification, and a preliminary survey was conducted targeting 321 general adults, and 42 items, 4 factors, were derived through exploratory factor analysis. did Finally, the main survey was conducted with 631 adults in order to verify the validity of the construct concept of the change motivation scale and the validity of the criterion. Divided into two groups, 315 people in group 1 conducted exploratory factor analysis and 316 people in group 2 conducted confirmatory factor analysis to verify the concept of change motivation scale. As a result of the factor analysis of Group 1, it was found that the 3 factor structure consisting of 31 items was appropriate, and as a result of the confirmatory factor analysis of Group 2, the goodness of fit of the modified model of the 3 factor structure was confirmed, which motivated change. The construct validity of the scale was demonstrated. As a result of analyzing the correlations with various variables for the analysis of convergent validity and criterion-related validity of the Motivation for Change scale, each of the three factors was found to be significantly related to most variables. Finally, the significance, implications and limitations of this study, and future research were discussed.

An Experimental Study on the Fire Resistance behaviour of Asymmetric Slimfloor Beam According to Cross Section Shape Variation (비대칭 H형강 합성보의 단면형상변화에 따른 온도특성 및 화재거동에 관한 실험적 연구)

  • Kim, Hyung-Jun;Kim, Heung-Youl;Lee, Jae-Sung;Kwon, Ki-Hyuck;Yeo, In-Hwan
    • Fire Science and Engineering
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    • v.26 no.1
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    • pp.23-30
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    • 2012
  • The temperature development of a structural element is dependent on section factor, which is estimated as a ratio of the fire-exposed perimeter to the cross-section area. Hence, with the higher section factor, the faster temperature development of the section os observed. Composite beam member, partially embedded asymmetry H beam, has a good fire resistance to the cross-section. The study was intended to conduct with change with section factor. The experimental result of section type which the Slim Beam Floor is bottom flange reinforced method.

The Effects of Fishing Village Experience on Family Relationships (어촌체험이 가족관계에 미치는 영향)

  • Choi, Kyu-Chul;Lee, Seo-Gu
    • The Journal of Fisheries Business Administration
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    • v.51 no.2
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    • pp.107-121
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    • 2020
  • It is important to understand the factors in which fishing village experiences have on family relationships. The purpose of this study is to derive the variables related to the family stemmed from the analysis of previous studies, and to find and present common factors that specifically influence the fishing experience in the family relationship. Through this, we intend to find it out in addition to the visible results such as income and experience, it can be an effective policy as a means to improve family relations through mutual efforts and understanding among families in promoting fishing-related policies. As a result of the analysis of the study, two common factors that the fishing experience had on family relationships were extracted. The first common factor is 'mutual effort,' which results in trying for each other's emotions, communication, understanding, and unity. The second common factor is 'mutual sharing' so fishing experiences are generally related to each other in family relationships. It can be seen as a result of sharing the memories, pleasures, and bonds of the people.

Development of CO2 Emission Factor by Fuel and CO2 analysis at Sub-bituminous Fired Power Plant (연료와 CO2 농도분석을 이용한 아역청탄 화력발전소의 온실가스 배출계수 개발)

  • Jeon, Eui-Chan;Sa, Jae-Hwan
    • Journal of Environmental Health Sciences
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    • v.36 no.2
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    • pp.128-135
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    • 2010
  • The main purpose of this study was to develop the greenhouse gas emission factor for power plant using sub-bituminous coal. In Korea, Fired power plant are a major source of greenhouse gases within the fossil fuel combustion sectors, thus the development of emission factors is necessary to understand the characteristics of the national specific greenhouse gas emission and to develop nation specific emission factors. These emission factors were derived from the $CO_2$ concentrations measurement from stack and fuel analysis of sub-bituminous coal. Caloric value of sub-bituminous coal used in the power plants were 5,264 (as received basis), 5,936 (air-dried basis) and 6,575 kcal/kg (dry basis). The C emission factors by fuel analysis and $CO_2$ concentration measurement was estimated to be 26.7(${\pm}0.9$), 26.3(${\pm}2.8$)tC/MJ, respectively. Our estimates of C emission factors were comparable with IPCC default value.

Determinants of the Knowledge Combinative Capability Based on Social Capital Theory (사회적 자본의 관점에서 본 결합능력의 형성요인 -특허청 사례를 중심으로-)

  • Park, Rhoyun
    • Knowledge Management Research
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    • v.5 no.2
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    • pp.67-98
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    • 2004
  • New knowledge is created through the dynamic interaction of knowledge that depends largely on a social context within the organization. Social processes influence the nature of knowledge and learning. This paper is rooted in the concept of social capital. Social capital theory emphasizes the importance of social relationship. Using social capital theory, this paper suggests three factors that must be satisfied for the development of knowledge combinative capability. The first factor is that the opportunity exists to make the exchange or combination of knowledge. The second factor is that people is motivated for the creation of new knowledge. The third factor is that people must share the common knowledge. This paper examines the change case of KIPO (Korean Intellectual Property Office). This case provides evidence that the three factors can develop social relationship, and build knowledge combinative capability. The man finding from this research is that social factors play an important part in the creation of knowledge, and processes of knowledge exchange and combination heavily rely upon social patterns, practices and processes in ways which emphasize the value and importance of collective action and knowledge sharing. This research may have several implications for the development of the knowledge creation mechanisms.

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Study on the Competitiveness Evaluation of Urban Cultural Tourism Creative Industry in Pan-Yangtze River Delta

  • Mengmeng, Shao
    • The Journal of Industrial Distribution & Business
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    • v.9 no.12
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    • pp.15-21
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    • 2018
  • Purpose - In order to improve the comprehensive competitiveness of cultural tourism creative industries in the region, different grade cities should adapt to local conditions and differentiated development as the angle. It can promote the optimization of regional tourism industry structure, and make relevant suggestions accordingly. Research design, data, and methodology - Based on the characteristics of cultural tourism creative industry, 24 indicators are selected from four aspects. The comprehensive competitiveness evaluation index system of cultural tourism creative industry is constructed. The essay use factor analysis to quantitatively evaluate 27 cities in the Pan-Yangtze River Delta, and use cluster analysis to classify the competitiveness of cultural tourism creative industries in each city into five types. Results - The results of cluster analysis show that the whole area presents five kinds of step-like features, which are mature leading type, the advantageous development type, comparatively advantageous type, well-grounded type and difference-promotion type. Conclusions - The factor analysis method was used to quantitatively evaluate 27 cities in the Pan-Yangtze River Delta, and cluster analysis was used to classify the cultural tourism creative industry competitiveness of each city into fives type city. Based on the differentiation of cultural tourism creative industry competitiveness and 27 cities in the Pan-Yangtze River Delta, the relevant strategies were proposed.

An Experimental Study on Fire Resistance Performance of Asymmetric Slimfloor Beam (단면형상 변화에 따른 비대칭 H형강 합성플로어 내화성능변화에 관한 실험적 연구)

  • Kim, Hyung-Jun;Kim, Heung-Youl;Park, Kyung-Hoon;Lee, Jea-Sung;Cho, Kyung-Suk
    • Proceedings of the Korea Concrete Institute Conference
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    • 2010.05a
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    • pp.7-8
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    • 2010
  • The temperature development of a structural element is dependent on section factor, which is estimated as a ratio of the fire-exposed perimeter to the cross-section area. Hence, with the higher section factor, the faster temperature development of the section os observed. Composite beam member, partially embedded asymmetry H beam, has a good fire resistance to the cross-section. The study was intended to conduct with change with section factor. The experimental result of section type which the Slim Beam Floor is bottom flange reinforced method.

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