• Title/Summary/Keyword: management affects

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A Study on the Development of Long-term Self Powered Underground Pipeline Remote Monitoring System (자가 발전형 장기 지하매설배관 원격감시 장치 개발에 관한 연구)

  • Kim, Youngsear;Chae, Hyun-Byung;Seo, Jae-Soon;Chae, Soo-Kwon
    • Journal of the Korean Society for Environmental Technology
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    • v.19 no.6
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    • pp.576-585
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    • 2018
  • Systematic management during the whole life cycle from construction to operation and maintenance is very important for the seven underground pipelines (waterworks, sewerage, electricity, telecommunications, gas, heating, oil including waterworks and sewerage). Especially, it is the construction process that affects the whole life cycle of underground buried pipeline. In order to construct a new city or to maintain different underground pipes, it is always necessary to dig the ground and carry out construction and related work. There is a possibility that secondary and tertiary breaks frequently occur in the pipeline construction process after the piping constructed first in this process. To solve this problem, a system is needed which can monitor damage in real time. However, the supply of electric power for continuous operation of the system is limited according to the environment of underground buried pipelines, so it is necessary to develop a stable electric power supply system using natural energy rather than existing electric power. In this study, we developed a system that can operate the pipeline monitoring system for long time (24 hours and 15 days) using natural energy using wind and solar light.

The Relationship Between Social Legitimacy and Performance in Venture Businesses (벤처기업의 사회적정당성과 성과 간의 관계)

  • Park, Chan Woo;Choi, Chang Bum
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.16 no.5
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    • pp.61-74
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    • 2021
  • This study investigated the relationship between the social legitimacy and financial performance perceived for venture company. In particular, social legitimacy was classified into prior experiences, organizational competency, market-related, and government-related legitimacy according to the characteristics of venture businesses, and its effect on the financial and non-financial performance of venture businesses was verified. Data were collected by conducting a survey among 300 domestic venture businesses. According to the results it can be understood that social legitimacy affects the financial and non-financial performance of venture businesses. In other words, it was found that the acquisition of resources from external investors and governments which is justified by stakeholder and investors, venture business executives and employees' prior experience such as start-up experience, and retention of outstanding talent, etc., developing trust from the market and consumers through high organizational competency and differentiated product provision, have a positive effect on the financial and non-financial performance of venture companies. It can be interpreted that higher survival is possible through running the venture businesses with social legitimacy. In addition, this study is meaningful in that it presents a new standard for survival through measuring the relationship of the influence on substantial performance of venture businesses by expanding the existing sociological research to business management research.

Care and future expectations of families with severe disabilities (중증장애 가족의 돌봄과 미래기대)

  • Shin, Kyung-An
    • Journal of Industrial Convergence
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    • v.18 no.6
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    • pp.139-146
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    • 2020
  • Care of people with severe disabilities requires care throughout their life cycle compared to non-disabled families. For this reason, carers of severely handicapped families are highly likely to have negative feelings throughout the family as well as daily stress. Disabled families also have a high rate of experiencing difficulties between non-disabled children or married couples in life centered on the disabled. In particular, the rapid aging in Korea affects the lives of the elderly disabilities along with the aging of the caregivers. The study explored alternatives to realistic support through the past and present experiences of caregivers with disabilities through qualitative research methods, and derived hopes and expectations for the future as follows.First, after confirming the disability for infants and toddlers with disabilities, information about the support system or system is provided from the rating agency. Second, providing "customized care support" suitable for the type of disability or individual characteristics at the social, political, institutional, and economic levels. Third, the provision of programs for non-disabled children and the provision of healing programs only for families with disabilities or those with disabilities. Fourth, the provision of spaces and programs that provide rest and rest for adults with disabilities. Fifth, the application of a long-term care system for the elderly reflecting the aging age of the disabled and institutionalization of community care for the disabled. The research is meaningful in that it presents discussion points for improving the quality of life of adults and the elderly with disabilities.

Relationship between Stock Market & Housing Market Trends and Liquidity (주식시장과 주택시장의 동향 및 유동성과의 관계)

  • Choi, Jeong-Il
    • Journal of Digital Convergence
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    • v.19 no.6
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    • pp.133-141
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    • 2021
  • Governments of each country are actively implementing fiscal expansion policies to recover the real economy after Corona 19. In Korea, the stock market and housing market are greatly affected as liquidity in the market increases due to the implementation of disaster subsidies and welfare policies. The purpose of this study is to analyze the relationship between stock market and housing market trends and liquidity. Data were collected by the Bank of Korea and Kookmin Bank. The analysis period is from January 2000 to December 2020, and monthly data are used. For empirical analysis, the rate of change from the same month of the previous year was calculated for each variable, and numerical analysis, index analysis, and model analysis were performed. As a result of the analysis, it was found that the stock index showed a positive(+) relationship with the house price, while a negative(-) relationship with M2. Previous studies have suggested that, in general, an increase in liquidity affects the stock market and the housing market, and inflation also rises. In this study, it was found that the stock market and the housing market had an effect on each other. However, it was investigated that liquidity showed an inverse relationship with the stock market and had no relationship with the housing market. Through this, this study estimated that there is a time difference in the relationship between liquidity and the stock market & housing market.

The Effects of Types of Self-Identity on Quasi-social Interactions and Information Sharing Intentions with Facebook Opinion Leaders (자아정체성의 유형이 페이스북 의견 지도자와의 준사회적 상호작용 및 정보공유 의도에 미치는 효과)

  • Park, Sunkyung;Kang, Yoon Ji
    • Journal of Digital Convergence
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    • v.19 no.6
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    • pp.225-232
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    • 2021
  • Nowadays, opinion leaders influence the formation of public opinion on various issues in social network services. There has been a lack of research on the personal characteristics that inspire users to interact with opinion leaders and show intent to act. This paper verifies how the disposition of Facebook users' self-identity affects the quasi-social interaction with opinion leaders on Facebook and the intention to share information. As the perception and behavior of users on social media platforms differ depending on the type of issue, an online survey was conducted by classifying issue types into life culture and political sectors. Research found that personal identity had a significant positive effect on quasi-social interactions in the life culture and politics sectors, while group identity negatively affected quasi-social interactions. In addition, the intention to share information was confirmed to have a significant effect only in the life and culture areas of self-identity (social and group identity). Quasi-social interaction was confirmed to have a significant positive effect on all issue areas. The results of this study suggest the need to consider variations in opinion leader marketing strategies based on the types of self-identity of Facebook users in the future. In addition, the study shows that raising the level of quasi-social interaction at the corporate level without distinction of issue types can lead to effective results.

The Convergence Factors of Nurses' Character on the Burnout: Focused on the Mediating Effects of Resilience (병원간호사의 임상간호인성이 소진에 미치는 융합적 영향요인: 회복탄력성의 매개효과 중심으로)

  • Ryu, Jeong-Lim;Ju, Jeong-Suk;Kim, Shin-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.22 no.1
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    • pp.354-362
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    • 2021
  • The purpose of this study was to test the mediating effect of resilience on the relationship between nurses' character and burnout. Participants were 118 clinical nurses in general hospitals located in J province. From August 1st to 31st, 2020, a questionnaire scale was used to collect the data. Data were analyzed using an independent t-test, one-way ANOVA, Pearson's correlation coefficients, linear regression, and the Sobel test. The study revealed that there was a significant positive relationship between character and resilience (r=.63, p<.001) and a negative correlation with burnout (r=-.48, p<.001). Also, resilience had a partial mediating effect on character and burnout. These findings indicate that it will be more effective to develop and apply programs that promote character and resilience to reduce burnout among clinical nurses. The conclusion that resilience affects the burnout of nurses can be used for formulating personal and organizational Human Resource Management strategies and can lead to positive protective results at the intra-personal and environmental levels.

The Influence of Unmarried Adult Men and Women's Implicit Narcissistic Propensity on the Tolerance of Dating Violence: Focusing on the Mediating Effect of Irrational Relationship Beliefs (미혼 성인남녀의 내현적 자기애 성향이 데이트폭력 허용도에 미치는 영향: 비합리적 관계신념의 매개 효과를 중심으로)

  • Jung, O-Young;Chang, Seok-Jin
    • Journal of Digital Convergence
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    • v.19 no.1
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    • pp.453-463
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    • 2021
  • The purpose of this study was to verify the effect of the implicit narcissism of unmarried men and women in their 20s and 30s on the tolerance of violence in dating and the mediating effect of irrational relationship beliefs. To this end, major variables were measured through survey and statistical analysis was conducted on 215 unmarried men and women in their 20s and 30s who had experience in dating violence. Hierarchical regression was used to analyse the mediated effects of irrational relational beliefs in the relationship between intrinsic self-love propensity and dating violence tolerance, and hypothesis testing showed that introspective self-love affects the tolerance of dating violence. It was also found that irrational relationships were completely intertwined between implicit narcissism and dating violence tolerance. The results of these studies indicate that irrational interrelationships only affect the tolerance of dating violence. The results of this study are suggestive in that it can contribute to the development of counseling and education programs that can prevent dating violence by proving the mediating effect of irrational relationship beliefs about violence tolerance.

Factors Affecting the Life Satisfaction of Middle and Old People in the Knowledge Information Society: Focusing on the Awareness and Attitude of Future Knowledge and Information Technology (지능정보사회에서 중고령자의 삶의 만족도 영향요인: 미래 지능정보기술의 인지와 태도를 중심으로)

  • Choi, A-Reum
    • Journal of Digital Convergence
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    • v.18 no.12
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    • pp.11-19
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    • 2020
  • This study aims to examine the factors influencing the satisfaction of life, digital information competency, digital information utilization, awareness of future knowledge and information technology, the need for knowledge and information technology, confidence in new technology, and attitude to middle and old people classified as vulnerable to digital information. For the research, raw data of the digital divide survey were used in 2019. Studies have shown that digital information utilization varies depending on the level of awareness of the future intelligence information society. Group with high awareness of the future intelligence information society showed high ability to use information in various fields. The more people recognize the need for future intelligent information technology as a factor that affects the satisfaction of life among middle and high-aged people, and the more confident and active their confidence and attitude toward new technology, the higher their satisfaction with life. It is believed that a policy focusing on digital information capabilities and utilization will be needed to actively respond to changes in the environment of middle and old people from the perspective of digital inclusion.

Accuracy Evaluation of Open-air Compost Volume Calculation Using Unmanned Aerial Vehicle (무인항공기를 이용한 야적퇴비 적재량 산정 정확도 평가)

  • Kim, Heung-Min;Bak, Su-Ho;Yoon, Hong-Joo;Jang, Seon-Woong
    • The Journal of the Korea institute of electronic communication sciences
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    • v.16 no.3
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    • pp.541-550
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    • 2021
  • While open-air compost has value as a source of nutrients for crops in agricultural land, it acts as a pollution that adversely affects the environment during rainfall, and management is required. In this study, it was intended to analyze the accuracy of calculating open-air compost volume using fixed-wing UAV (unmanned aerial vehicle) capable of acquiring a wide range of images and automatic path flights and to identify the possibility of utilization. In order to evaluate the accuracy of calculating the three open-air compost volume, ground LiDAR surveys and precision surveys using a rotary UAV were performed. and compared with the open-air compost volume acquired through a fixed-wing UAV. As a result of comparing the calculation of open-air compost volume based on the ground LiDAR, the error rate of the rotary-wing was estimated to be ±5%, and the error rate of fixed-wing was -15 ~ -4%. one of three open-air compost volume calculated by fixed-wing was underestimated as about -15 %, but the deviation of the open-air compost volume was 2.9 m3, which was not significant. In addition, as a result of periodic monitoring of open-air compost using fixed-wing UAV, changes in the volume of open-air compost with time could be confirmed. These results suggested that efficient open-air compost monitoring and non-point pollutants in agricultural for a wide range using fixed-wing UAV is possible.

A Study on the Changing and Influence Factors in East Asia Wetland through Literature Analysis (문헌분석을 통한 동아시아 습지 변화 요인 및 영향 분석 연구)

  • Yoo, Younghoon;Necesito, Imee V.;Lee, Haneul;Kim, Kyunghun;Lee, Junhyeong;Kim, Hung Soo
    • Journal of Wetlands Research
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    • v.23 no.3
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    • pp.260-276
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    • 2021
  • Wetlands are constantly affected by internal and external environments that make up the wetlands, and these effects make wetlands change. East Asia countries where about 15% of Ramsar's registered wetlands are located, is valuable conservation area due to various wetland types and biodiversity. However, due to climate change and other factors, the total area of wetlands has been reduced and biodiversity have been damaged. To mitigate these problems and to manage wetlands efficiently, it is important to identify the factors that change wetlands and to identify how each factor affects them. In this study, we conducted a wetland-related literature analysis in East Asia to derive factors that affect the changes in wetlands, and analyzed the relationships among the factors. Finally we presented research directions considering wetland change factors. In most of the East Asia countries, it was found that there is deficiency in research studies about extraction in direct factors and water-energy infrastructure, tourism & recreation in indirect factors. Also, we presented the necessity for future research using the result between connectivity & relationship analysis and indirect drivers of change and their influence on direct drivers of change. The results of this study could contribute to the establishment of an R&D cooperation system in East Asia region and strengthen wetland management.