Korean Journal of Construction Engineering and Management
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v.9
no.5
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pp.75-85
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2008
The construction industry has been leading the growth of the nation's economy not only by providing with various infrastructure projects but also by positively impaction related industries such as crating numerous job opportunities. Relevant statistics show the production amount of construction taking about 17.5% of the GDP (Gross Domestic Product). In spite of its positive impacts on the economy, image of Korea construction industry is generally reflected as negative mainly because of its environmental disruption, low payment, bribe, fraudulent work and inefficiency. It brings students to be reluctant choosing the construction industry as their carrier path and governmental and principal research status. Therefore it has been difficult to recruit highly qualitied human resources to the industry while the morale of the whole industry has gradually become demoralized. To improve this stand, many domestic researchers carried out research projects for improving the image of Korea Construction Industry. This study also sympathizes with necessity of improving the negative image of construction industry to remain as one of the leading industry in the 21st century. Especially, this study focused on finding important factors which have significant influences on the image of the industry. Through out the research, image influence factors was identified by rigorous literature review and interviews as industrial and academic experts. Factors, then, categorized and used as the main framework for the survey which designed to fine the degree of impacts on the image of the construction industry. In analyzing the survey results, various statistical techniques was employed including factor analysis, Chi-Square-Test, Correlation Analysis and Multiple Linear Regression. Identified as the most influent factors to the image of the construction industry include morale of construction employee, and prospects the industry which of the judgement by payment, impacts on nation's economy, future of the industry, etc.
Kim, Byung Ki;Ha, Jae Jung;Yi, Jun Koo;Oh, Dong Yep;Jung, Dae Jin;Choi, Seong Bok;Hwang, Eun Gyoung;Kim, Soo Jung;Lee, Jea Young
Journal of the Korean Data and Information Science Society
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v.27
no.5
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pp.1307-1316
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2016
This study was to execute the random arrangement of total 120 heads (10 heads per treatment plot ${\times}$ 3 repeats ${\times}$ 4 treatment plots) for four breeds [Blue arakana commercial Fowl (BC), Yeonsan silky fowl (YS), Korean native fowl (KN), White leghorn fowl (WL)] with the initiation of laying hens at 32 weeks old in order to comparatively analyze egg quality and composition by sorts of laying hens. In case of evaluation of the quality of eggs, this study has shown that BC had higher degree of Haugh unit coefficient (82.82) and in case cholesterol content of eggs, BC had significantly low content as 317.55mg/100g, but YS had rather higher content as 381.30mg/100g. Furthermore, this study has found out that BC had significantly low Oleic acid (C18:1n9) and WL had higher Amino acid content by breeds than those of other breeds (p<0.05).
Yang, Sang Eun;Tae, Hye Jin;Hwang, Jihyun;Chae, Jeong-Ho
Anxiety and mood
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v.14
no.1
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pp.44-52
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2018
Objective : The present study had examined the psychiatric symptoms and physical health consequences for the bereaved parents of the high school students who died in the 2014 Sewol ferry accident. Methods : Forty bereaved parents participated in the study. The authors administered self-report questionnaires about the parents' health behaviors and psychiatric symptoms. The authors also conducted laboratory tests to assess the parents' physical health at 18 and 30 months after the accident. Univariate descriptive statistics were performed to report the prevalence and severity of psychiatric symptoms and health-related behaviors. Paired t-test and Mcnemar test were performed to compare the 18-and 30-month findings. Correlation analysis between psychiatric symptoms and laboratory findings were performed to find a relationship between the two variables. Results : At 30 months after the accident, most of the bereaved parents still appeared to suffer from complicated grief (97.5%), post traumatic stress disorder (80%), insomnia (77.5%) and severe depression (62.5%) based on the scores on the Inventory of Complicated Grief (ICG), the PTSD Check List-5 (PCL-5), the Insomnia Severity Index (ISI) and the Patient Health Questionnaire-9 (PHQ-9). One quarter of the bereaved parents reported high-risk drinking, and 47.5% reported increased drinking amount and frequency after the accident. In objective laboratory results, 55% of the bereaved parents were obese as defined by body mass index ${\geq}25$. The parents' mean low-density lipoprotein shows a significant increase over time (118.5 mg/dL at 18 months. vs. 132.5 mg/dL at 30 months. paired t-test t=-4.061, $$p{\leq_-}0.001$$). Total cholesterol and low-density lipoprotein at 30 months after the accident were in clinically borderline high range. In correlation analysis, triglyceride was positively correlated with ISI. Conclusion : The loss of children in the Sewol ferry accident, a disaster caused by human error, continued to have considerable impact on the victims' parents' mental and physical health 18 and 30 months after the accident. A longitudinal study following the parents' physical health would be necessary to investigate the long-term effects of this traumatic experience on physical health.
The purposes of this study were to measure resilience, major satisfaction and employment preparation of technical high school students, and to analyze the structural relationship among resilience, major satisfaction and employment preparation of them. The population was technical high school students. The study was carried out through questionnaire survey method. The survey questionnaire was sent by mail. A survey questionnaire consists of 38 items. 391 questionnaires were used for analysis. Both descriptive and inferential statistics were employed for data analysis. And the data was analyzed by using structural equation modeling to examine structural relationship. The results of this study were as follows: First, resilience of technical high school students was high. In the domain of resilience, 'diversity of interest' was the highest, and 'emotional management' was the lowest. And resilience of meister high school students was higher than that of specialized high school students. Resilience of male students was higher than that of female students. Second, major satisfaction of them was moderate. In the domain of major satisfaction, 'major prospect' was the highest, and 'satisfaction of societal dimensions' was the lowest. And major satisfaction of meister high school students was higher than that of specialized high school students. Major satisfaction of male students was higher than that of female students. Third, employment preparation of technical high school students was moderate. In the domain of employment preparation, 'employment attitude' was the highest, and 'job performance competency' and 'employment information' were moderate. And employment preparation of meister high school students was higher than that of specialized high school students. Employment preparation of male students was higher than that of female students. Forth, resilience of technical high school students had a positive effect on employment preparation. Also major satisfaction of them had a positive direct effect on employment preparation. And the mediating effect of major satisfaction was significant in pathway from resilience to employment preparation. Lastly, a multi-group analysis by school type revealed that the mediation effect of major satisfaction did not differ by school type.
Journal of Satellite, Information and Communications
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v.9
no.2
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pp.96-100
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2014
Recently, the management system of wastewater treatment facility has magnified due to the stringent regulations for the protection of the environment, and a sewage treatment plant efficiency and research of the car development are activated in large facilities or industrial park. however, the existing sewerage disposal system and specific water quality monitoring network reliability for real-time transmission of this building is insufficient. In this paper, we proposed a local wireless network design for sludge multi meter data collection and control for measuring the concentration of the sludge efficiently. Also, the collected data over the local wireless network to transmitted to the central monitoring system and accumulate the data in real time to calculate statistics is possible to monitor the status of the sewage treatment facilities. The proposed system uses a short-range wireless networks of IEEE 802.15.4 and configures an IEEE 802.11 network which can monitor real-time status in central system. Also, we install a sludge multimeter and communication network in sewage treatment facilities and confirm the usefulness of the proposed technique by demonstrating its effectiveness.
Kim, Sungbum;Kwak, Daehoon;Jeon, Jeonghyeon;Jeong, Seongkyeong
Journal of the Society of Disaster Information
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v.14
no.3
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pp.360-366
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2018
Purpose: This study operation of Joint inter-agency Chemical Emergency Preparedness Center and contribute to the reduction of chemical accidents that occur continuously. Method: The Joint inter-agency Chemical Emergency Preparedness Center functions and Chemical accident statistics data of the ('13~'17) were utilized. Results: The number of chemical accidents is decreasing from 113 in '15, 78 in '16, 87 in '17(latest five years 469 chemical accidents). The Joint inter-agency Chemical Emergency Preparedness Center is located in the industrial complex that handling a large amount of chemical, and performs functions such as prompt response, probation & investigation, accident prevention training, safety patrol. It is believed that it contributes to the decreasing of chemical accident by local control accident prevention function. Conclusion: Decreasing the safety management according to the Chemicals control act('15.1.1). The Joint inter-agency Chemical Emergency Preparedness Center('14.1 set up manage organization), which is operated as a mission to prepare respond to chemical accidents, plays a role.
This study is a study on the satisfaction of the living conditions of the residents of Chungcheongnam-do, and the analysis data was based on the results of the Chungcheongnam-do social survey conducted in 2020 by Statistics Korea. The results of the analysis on the satisfaction of the living conditions of the residents of Chungnam Province are summarized as follows. The level of satisfaction with the quality of life of the living environment, which is a personal characteristic, was 5.92 out of 10 for the degree of satisfaction with one's life, and 6.28 out of 10 for the overall value of the work one is doing. The overall life satisfaction of the region (city and gun) was analyzed as 5.81 out of 10, indicating that the satisfaction of Chungnam residents was more than average. In addition, satisfaction with the residential housing environment was analyzed with the highest frequency and ratio of 43.5%, with 226 people being slightly satisfied. Satisfaction with facility use was also slightly higher in 231 people, showing 44.5% response rate, and slightly higher in women than in men. This study is meaningful in that it provides basic data such as policy implications for improving the quality of life by grasping the social interests related to the quality of life and the subjective consciousness of the people of Chungnam.
This study has identified the effect of reminiscence-based collective art therapy on the depression, interpersonal relationships, and the subjective sense of happiness among the elderly with dementia. The study was conducted on 30 volunteers with dementia aged 65 or older attending the S Weekly Care Center located in S-gun as subjects during the period between November 7, 2020 and January 2, 2021 with one session week for a total of 12 sessions. The SPSS 24.0 statistics program has been used for various data analyses, including confidence verification, cross tabulation analysis independent sample T-test, 3×2 multi-variant analysis, and the intergroup independent sample T-test between the groups. The study findings are as follows, First, the collective art therapy based on reminiscence therapy is effective in reducing the depression among the elderly with dementia. Second, the collective art therapy based on reminiscence therapy is effective in promoting interpersonal relationships among the elderly with dementia. Third, the collective art therapy based on reminiscence therapy is effective in improving the subjective sense of happiness among the elderly with dementia. These study findings are meaningful in that they have provided an informative basic data on the reminiscence-based collective art therapy.
The purpose of this study is to analyze the effect of reminiscence-based collective art therapy on the depression, interpersonal relationships, and the subjective sense of happiness among the elderly with dementia. The study was conducted on 30 volunteers with dementia aged 65 or older attending the S Weekly Care Center located in S-gun as subjects during the period between November 7, 2020 and January 2, 2021 with one session week for a total of 12 sessions. The SPSS 24.0 statistics program has been used for various data analyses, including confidence verification, cross tabulation analysis, independent sample T-test, 3×2 multi-variant analysis. The study findings are as follows. First, the collective art therapy based on reminiscence therapy is effective in reducing the depression among the elderly with dementia. Second, the collective art therapy based on reminiscence therapy is effective in promoting interpersonal relationships among the elderly with dementia. Third, the collective art therapy based on reminiscence therapy is effective in improving the subjective sense of happiness among the elderly with dementia. Therefore, the reminiscence-based collective art therapy is found to serve as an effective means to relieve depression, improve interpersonal relationships and to promote a subjective sense of happiness among elderly people witn dementia.
The roles and functions of domestic public libraries are diversifying, but various problems have emerged due to internally biased book lending. In addition, due to the 4th Industrial Revolution, public libraries have introduced a book recommendation system focusing on popular books, but the variety of books that users can access is limited. Therefore, in this study, the public library unborrowed book recommendation system was implemented limiting its spatial scope to Duryu Library in Daegu City to enhance the satisfaction of public library users, by using the loan records data (213,093 cases), user information (35,561 people), etc. and utilizing methods like cluster analysis, topic modeling, content-based filtering recommendation algorithm, and conducted a survey on actual users' satisfaction to present the possibility and implications of the unborrowed book recommendation system. As a result of the analysis, the majority of users responded with high satisfaction, and was able to find the satisfaction was relatively high in the class classified by specific gender, age, occupation, and usual reading. Through the results of this study, it is expected that some problems such as biased book lending and reduced operational efficiency of public libraries can be improved, and limitations of the study was also presented.
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