Lee Sang-Nam;Kang Yong-Heack;Yu Chang-Kyun;Kim Jin-Soo
한국신재생에너지학회:학술대회논문집
/
2005.06a
/
pp.403-407
/
2005
Objective of the research is to demonstrate solar thermal space and ground heating system which is integrated to a greenhouse culture facility for reducing heating cost, increasing the value of product by environment control, and developing advanced culture technology by deploying solar thermal system. Field test for the demonstration was carried out in horticulture complex in Jeju Island. Medium scale solar hot water system was installed in a ground heating culture facility. Reliability and economic aspect of the system which was operated complementary with thermal storage and solar hot water generation were analyzed by investigating collector efficiency, operation performance, and control features. Short term day test on element performance and Long term test of the whole system were carried out. Optimum operating condition and its characteristics were closely investigated by changing the control condition based on the temperature difference which is the most important operating parameter. For establishing more reliable and optimal design data regarding system scale and operation condition, continuous operation and monitoring on the system need to be further carried out. However, it is expected that, in high-insolation areas where large-scale ground storage is adaptable, solar system demonstrated in the research could be economically competitive and promisingly disseminate over various application areas.
This study aimed at assessing the industrial workers' mental health status and identifing the relationship between mental health status and socio-demographic variables. We administered psychiatric self report rating scale (SCL-90)to 622 manual workers and 191 office workers in a textile .industry. The study began on 1 November, 1981 and lasted for 30 days The results were as follow: 1. Scores of symptom dimension were higher in female rather than male, younger than older, lower income group than higher one, lower educated group than higher one, manual workers than office workers and unmarried group than married one respectively. 2. The result of dimension scores of total samples showed that the score of Obsessive-compulsive scale was highest. The rest symptom dimension showed the order as follows: Interpersonal sensitivity, Depression, Hostility, Anxiety, Paranoid ideation, Somatization, Psychoticism and Phobic anxiety. 3. In order to identify the partial contribution of each socio-demographic variables on the mental health, multiple regression method was applied, and the result was as follows. 1) Sex was the most important one to explain the Somatization, Phobic-anxiety and Psychoticism scales among the 7 variables in the multiple regression equation. 2) Economic status was the most important variable to explein the Obsessive-compulsive, Depression and Hostility scales. 3) Marital status was the most important variable to explain the Interpersonal-sensitivity and Paranoid ideation scales.
Purpose: The purpose of this study was to explore the relationship between depression, alexithymia, social support and somatic symptom in adolescents. Methods: The subjects were 1,519 adolescents in Seoul. Radloff's CES-D (The Center for Epidemiological Studies-Depression scale) for depression, Bagby, Parker and Taylor's TAS (Toronto Alexithymia Scale) for alexithymia, Park's social support and Derogatis's SCL-90 (Brief Symptom Inventory & Matching Clinical Rating Scale) were used. The data was analyzed using descriptive statistics, Pearson's correlation coefficients, t or F test, and stepwise multiple regression. Results: Depression and somatic symptom were lower but social support was higher when compared to mean score. The somatic symptom was significantly positive correlations to age, depression, alexithymia but no correlation to social support. Stepwise multiple regression analysis showed that 21.8% of the somatic symptom was significantly accounted for depression, alexithymia, social support, gender, economic status, living alone, and living with parent. Conclusion: These results suggest that depression, alexithymia, living alone can be potential risk factors for somatic symptom in the adolescents. Therefore, these findings will give useful information for developing a promotion program focused on social support in the adolescents.
Purpose: The purpose of this study was to investigate predictors of behavior problems of military children in elementary school. Methods: Participants were 195 military children who were attending D-elementary school in C-city. Data were collected from July 8 to July 10, 2013, using self-report questionnaires which included Han's Externalized Behavior Problems Scale, Lee's Parent's Rearing Attitude Scale, and Hong's Friend/Teacher Support Appraisal Scale. Data analysis was performed using the SPSS/WIN 18.0 program, which included the t-test, the one-way ANOVA, Pearson correlation coefficients, and the multiple liner regression analysis. Results: The mean score of the subjects' behavior problem was 1.47/5.0 points. The degree of the score is similar to or slightly lower than that of ordinary children. There were statistically significant differences in behavior problems according to gender, grade, birth order and economic status. Behavior problems have a negative correlation with parent's rearing attitude, parent-child relationship, teacher's support, and friend's support. Influencing factors of behavior problems were teacher's support, father-child relationship, and mother's rearing attitude, which explained 20.6% of the variance. Conclusion: The finding of this study suggests there is a need to increase teacher's support for elementary students and to educate parents to improve their parenting skills by developing proper school health programs.
Purpose: The companies must be located in the area, scale up, create jobs, and return to the local economy. This paper attempted to analyze empirically the relationship between regional context and entrepreneurial orientation(EO) in the region of Korea. Methods: This paper analyzed survey data and regional statistics. We measured EO by region and then examined which regional context affect EO. Regional contexts were measured by population, economic size, budget size, firm size, innovation capacity, and education level. EO was measured by innovativeness, risk taking, proactiveness, autonomy, competitive aggressiveness, and need for achievement. Results: EO was high in the region where the budget size per thousand population, the number of manufacturers per thousand population, the number of new corporations per thousand population, the number of R&D personnel per thousand population, and the number of students of higher education institutions per thousand population were high. Conclusion: The implications of this paper are that regional context affect EO, and there are differences in budget scale, firm size, innovation capacity, and education level. In regions with many investment resources for innovation and startups and manufacturers, the number of R&D personnel and students of higher education institutions (future R&D personnel), in particular, determines EO.
Proceedings of the Korean Society of Soil and Groundwater Environment Conference
/
2005.10a
/
pp.5-21
/
2005
Urbanization rates of population range from about 1% in the developed countries to about 4% in developing countries. For a global population that may reach 10 billion within the next 40 years, pressure has arisen for an increase in the large-scale use of wastes and byproducts in construction. Ironically, most of the wastes that need to be recycled are generated in large cities where the need for constructed facilities to serve large population is high. Waste and recycled materials (WRM) that are used in construction are required to satisfy material strength, durability and contaminant teachability requirements. These materials exhibit a wide variety of characteristics owing to the diversity of industrial processes through which they are produced. Several laboratory-based investigations have been conducted to assess the pollution potential and load bearing capacity of materials such as petroleum-contaminated soils, coal combustion ash, flue-gas desulphurization gypsum and foundry sand. For full-scale systems, although environmental pollution potential and structural integrity of constructed facilities that incorporate WRM are interrelated, comprehensive schemes have not been developed for integrated assessment of the relevant field-scale performance factors. In this presentation, a framework for such an assessment is proposed and presented in the form of a flowchart. The proposed scheme enables economic, environmental, worker safety and engineering factors to be addressed in a number of sequential steps. Quantitative methods and test protocols that have been developed can be incorporated into the proposed scheme for assessing the feasibility of using WRM as partial or full substitutes for earthen highway materials in the field.
Lee Sang-Nam;Kang Yong-Heack;Yu Chang-Kyun;Kim Jin-Soo
New & Renewable Energy
/
v.1
no.2
s.2
/
pp.53-59
/
2005
Objective of the research is to demonstrate solar thermal space and ground heating system which is integrated to a green-house culture facility for reducing healing cost, Increasing the value of product by environment control, and developing advanced culture technology by deploying solar thermal system. Field test for the demonstration was carried out in horticulture complex In Jeju Island. Medium scale solar hot water system was installed in a ground heating culture facility. Reliability and economic aspect of the system which was operated complementary with thermal storage and solar hot water generation were analyzed by investigating collector efficiency, operation performance, and control features. Short term day test on element performance and Long term test of the whole system were carried out. Optimum operating condition and its characteristics were closely Investigated by changing the control condition based on the temperature difference which Is the most important operating parameter For establishing more reliable and optimal design data regarding system scale and operation condition, continuous operation and monitoring on the system need to be further carried out. However, It is expected that, in high-insolation areas where large-scale ground storage is adaptable, solar system demonstrated in the research could be economically competitive and promisingly disseminate over various application areas.
The purpose of this study was to contribute to maternal nursing in the early postpartum stage and neonate nursing. Data were collected through self-report questionaires which were constructed to include perception of the newborn scale, parental role stress scale and anxiety scale. The subjects consisted of 81 mothers of preterm babies at seven hospitals in Seoul and Kyoungki-Do, from July 15 to September 30, 2000. Data were analysed by SPSS/PC using frequency, percentage, mean, standard deviation, ANOVA, t-test and Pearson correlation coefficient. The results were summarized as follows ; 1. The mean of perception of the newborn in the early postpartum stage was 1.35. The mean of parental role stress was 10.78. The mean of anxiety of mother was 39.74. 2. There were significant positive correlation between parental role stress and anxiety of mothers. 3. There were not significant influencing general characteristics to perception of the newborn and parental role stress. General characteristics related to the level of anxiety were economic status, expectation of pregnancy, birthing order, newborn weight. The above findings indicated that the level of parental role stress and anxiety of preterm birth mothers were correlated. Therefore nursing intervention for reducing parental role stress and anxiety should be provided for preterm birth mothers.
Purpose: The study has been conducted to identify factors affecting the participation in leisure activities by elderly women living alone. Methods: Data were collected through a questionnaire survey among 150 elderly women in Seoul and Gyeong-gi Province. The measurement tools that were used include participation in leisure activities, perceived health status, Geriatric Depression Scale Short Form-Korea (GDSS-K), psychological well-being scale, and loneliness scale. The data were analyzed by using the Pearson correlation coefficients, t-test, analysis of variance ANOVA, and stepwise multiple regression with the SPSS/windows version 21.0 program. Results: The analysis shows that the affection for participation in leisure activities of the elderly women living alone who participated in the questionnaire survey is significant (F=14.6, p<.001). The value of the adjusted $R^2$ is 0.55, which accounts for the explanatory power of 55.4%. The predictor that has been found to have the greatest influence on the participation in leisure activities by the elderly women living alone include perceived health status, followed by monthly allowance (10,000 won), psychological well-being, economic status, religion, depression, family structure, and loneliness. Conclusion: The results suggest that in developing nursing interventions and practice for the participation in leisure activities by elderly women living alone, perceived health status, psychological well-being, depression, and loneliness should be considered.
This study aimed to verify the positive effects of forest activities for children from economically underprivileged households in local children's centers and the effect of such activities on the protective factors of their development. One hundred and eighty five children participated in the Forest Activities Program, which conducted over a total 8 sessions. Pre-post tests of the subjective well-being scale, DAS, multiple life satisfaction scale, ego-resilience scale were conducted and the children then made picture stories during the program itself. The results of the analysis of differences between pre-post tests were as follows: first, the negative emotions of participating children decreased significantly. Second, the school-satisfaction and self-satisfaction levels of the participating children increased. Third the participating children's positive perceptions of self and interpersonal relationships also increased through the forest activities. Finally, there were differences of the change types of picture stories that children created while they were participating in the program; and these divergences were related to the effectiveness of the program. These forest activities had positive effects upon the economically disadvantaged children who participated in this study. However, in order to increase the effects of such forest activities qualitatively, greater support for the active involvement of children is required.
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