Global warming crisis due primarily to continued green house gas emission requires impending change to renewable alternative energy than continuously depending on exhausting fossil fuels. Bioenergy including biodiesel and bioethanol are considered good alternatives because of their renewable and sustainable nature. Bioethanol is currently being produced by using sucrose from sugar beet, grain starches or lignocellulosic biomass as sources of ethanol fermentation. However, grain production requires significant amount of fossil fuel inputs during agricultural practices, which means less competitive in reducing the level of green house gas emission. By contrast, cellulosic bioethanol can use naturally-growing, not-for-food biomass as a source of ethanol fermentation. In this respect, cellulosic ethanol than grain starch ethanol is considered a more appropriate as a alternative renewable energy. However, commercialization of cellulosic ethanol depends heavily on technology development. Processes such as securing enough biomass optimized for economic processing, pretreatment technology for better access of polymer-hydrolyzing enzymes, saccharification of recalcitrant lignocellulosic materials, and simultaneous fermentation of different sugars including 6-carbon glucose as well as 5-carbon xylose or arabinose waits for greater improvement in technologies. Although it seems to be a long way to go until commercialization, it should broadly benefit farmers with novel source of income, environment with greener and reduced level of global warming, and national economy with increased energy security. Mission-oriented strategies for cellulosic ethanol development participated by government funding agency and different disciplines of sciences and technologies should certainly open up a new era of renewable energy.
Objectives : The purpose of this study was to analyze the effect of outpatient cost sharing reduction on health care utilization of children under 6 years old. Methods : The data in this analysis was the health insurance claims data between August 2006 and July 2008. The study group was divided into two age groups, namely 0-5 years old and 6-10 years old. This study evaluated the impact of policy change on office visits per person and expenditure per visit. In order to do so, the double difference analysis is used. Results: The results showed that outpatient cost-sharing reduction has never really had a huge impact on office visits per person and expenditure per visit. Conclusions: This study showed that the outpatient cost sharing reduction for children under 6 years old policy is not working. Therefore, cost sharing of National Health Insurance by income class is needed.
Kim, Jong Ho;Jeon, Jun Heon;Lee, Dukjae;Lee, Kwang Hee;Kim, Seong Il;Kim, Tong Il
Journal of Korean Society of Forest Science
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v.96
no.6
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pp.714-723
/
2007
This study aims to suggest the necessary political implications for the introduction of green tourism in "Mountain Village Project" through the survey of local residents on the recognition of rural and mountain villages about the Village Development Projects. Direct survey using a structured questionnaire was executed to each local resident in different types of rural tourism villages such as the Mountain development village, the Green agricultural village, the Rural theme village, and mixed type of village between them. It was revealed that local residents in the Mountain development village had a positive reaction to the Project, whereas those in mixed type of village did not notice highly the change by the Project. Residents in the Mountain development village highly satisfied with the Project as improved income sources. In addition, it was shown that local residents recognised the necessity of social education and they highly wanted to participate in it. Residents in the Green agricultural village also wanted to put an effort to introduce an activity-based program for village development.
Along with economic growth which affects to the overall increase in income level within society, more permissible leisure time, and change in values of the life style directly affected to the more demand of performance arts. The theaters where the performance contents are actually accomplished have been built with various objectives and now there are 232 of performing art theaters are in operation at various locations over the country. The purpose of this research is to identify behavioral factors regarding how the preferable choice were made from the various type of the performance arts, study for the correlation on post behavior customer based on the survey conducted at Sori Art Center. As a result of this research, there were strong correlation were identified between how the preferable choice were made among the various type of performance and Customer's intend of returning visit /perceivd value. In addition to the aforementioned result, the survey result shows that the excellence of the facility, hospitality level of the staffs, and additional customer services were the meaningful positive factors and user convenience/subsidiary facilities were negative factors to the overall service quality control activities. The research reveals meaningful correlations between quality of the customer service factors and how the preferable choice were made by customer that lead to strategic plan which will increase competitiveness of the Sori Art Center. Extensive research for the Sori Art Center which represents cultural power of the local community would be exemplary case not only for the art centers in metropolitan area but also other local areas within the country.
Purpose - As an important participant in the financial markets, the commercial bank will be impacted by the interest rate marketization. Owing to the special condition of China, this paper tries to explore the impact of operating mechanisms between interest rate marketization and the profitability of the commercial Bank. Research design, data and methodology - This paper applies time series data from 2005 to 2016. Due to the short period of time series, autocorrelation often occurs. Therefore, the fully modified least squares(FMOLS) will be used to conduct an empirical analysis. The reason is that it can move off the autocorrelation between variables and disturbance term. And FMOLS also can make estimated cointegrating parameters closed to normal distribution. More importantly, in order to avoid spurious regressions, the Augmented Dickey-Fuller Test will be used to verify the stationarity of all variables. The total return of asset is treated as the profitability of commercial bank. The net interest spread is treated as a measurement of interest rate marketization. Both are regarded as dependent variables. The non-interest income or gross revenues and impaired loans or gross loans are treated as independent variables. The sixteen representative listed commercial banks are divided into three categories (state-owned, share-holding and city-owned) to conduct an estimation. Results - Via empirical analysis, the findings show that the net interest spread has a positive effect on the profitability of the commercial bank. More specifically, 1% increase in the net interest spread will lead 0.157% increase in the profitability of state-owned commercial bank, 0.269% increase in the profitability of share-holding commercial bank and 0.263% increase in the profitability of city-owned commercial bank. If regarding the sixteen listed commercial city as a whole, 1% increase in the net interest spread will lead 0.267% increase in the profitability of the commercial bank. Conclusions - As the interest rate marketization, the importance of interest rate on the profitability of commercial bank has become more and more significant. The empirical evidences also prove that the net interest spread can bring about the change of the commercial bank's profitability. Therefore, policy-makers of commercial banks should fully understand the operating mechanism between them.
To identify subjective health status of senior citizens' oral health following senior citizens' general characteristics and knowledge and behavior for the oral hygiene, this research conducted individual interview with 237 senior citizens in some parts of Seoul. The results are as follows. 1. Degree of senior citizens' knowledge on the oral hygiene is about Middle. Among the categories on the senior citizens' knowledge on the oral hygiene, teeth's brushing was the highest while knowledge on fluorine was the lowest. 2. Senior citizens who feel that their oral health is healthy when it comes to the subjective health state of senior citizens' oral health following behavior for the oral hygiene, brush their teeth, three times in a day, for more than three minutes (p<.01). Moreover, senior citizens who feel that their oral health is healthy brush different corners of the tongue when brushing (p<.01). 3. In case of knowledge on the oral hygiene following general characteristics, knowledge on the oral hygiene was higher when economic status was higher (p<.01). In case of living expenses, knowledge on the oral hygiene was higher for the senior citizens with pay or income (p<.01). 4. In case of behavior for the oral hygiene, women tended to act for the oral hygiene more than men. As for the method for raising living expenses, senior citizens who receive basic social security check or those at the highest tier tended to act less for the oral hygiene (p<.01). 5. Senior citizens who answered that their oral health is healthy when it comes to the subjective health state of senior citizens' oral cavity tended to have high knowledge on the oral hygiene (p<.01). In conclusion, subjective health status of senior citizens' oral health is higher when the knowledge on the oral hygiene and behavior for the oral hygiene are higher. Accordingly, it is necessary to develop and execute oral hygiene training program to change senior citizens' behavior incrementally and the dental hygienists who can conduct this training should be actively attracted into the senior citizens' oral hygiene training.
Jang, Woo Whan;Park, Jae Sang;Rubenecia, Maria. Rosnah Ultra.;Park, Chung Beom;Ahn, Young Sup;Lee, Sang Chul
Current Research on Agriculture and Life Sciences
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v.31
no.4
/
pp.286-294
/
2013
Increasing concern for the health, well-being, and income of the people has expectedly brought continuous increase in the industrial value of medicinal plants in recent years as these are also used in foods and cosmetics. However, Korea's increased import of these products from China due to the FTA contract causes negative effects on its industrial value. In this regard, various measures for medicinal crop seed development and production, organization and expansion of circulation and forest land use deregulation are needed to promote the agricultural food industry including medicinal plants. As a measure, first, a database of medicinal plants should be built that can help to promote the national medicinal industry and the seed management system. Second, agricultural productivity should be enhanced via the development and supply of varieties of high quality medicinal plants. Third, there should be a good practice of the system maintenance for the production and supply of medicinal crop seeds. Fourth, production and distribution system of medicinal plants should be established by standardization of high quality seeds. Nowadays, the consumption pattern of medicinal crops is changing from direct ingestion to cosmetics, drugs, and food and this is expected to increase continuously. Consequently, the increased production of medicinal crops will support the development policy and the institutional improvement in response to this trend of the positive change of industrialization.
This study inspected 203 employees with disabilities who are working in social enterprises based in Seoul and Gyeonggi-do from March to June 2019 in order to find out the factors of self-efficacy, social support, wages and welfare, relationship with upper management and co-worker relationships which influence job Performance and job satisfaction of disabled workers. The implications of this research are as follows. First, the factors that positively affect work performance are self-efficacy and co-worker relationships. It was shown that trust and respect that disabled workers working in domestic social corporations perceive while diligently performing the work without any bias and getting from coworkers led to good work performance. Second, when the current wage was determined by the employee's perceived ability, skill and current workloads that fit to their ability, the workers expressed job satisfaction. Moreover, job satisfaction by the employees was followed by the perception of the possibility of living a more stable life with the current monthly income. Third, upper managements' care on personal issues, acknowledgment of autonomy and support through communication have led to job satisfaction among the employees. Lastly, considering the research result in which the social support that the disabled workers perceive does not show any positive effect on work performance or work satisfaction, it can be concluded that there is a need for a change in the social perception of disabled workers.
Objectives : Our objective was to examine and evaluate the psychological health of the residents of Taean during the cleanup of the Hebei Spirit(HS) oil spill and to review some factors associated with the results. Methods : A community survey of 71 men and women was conducted 8 weeks after the HS oil spill. Questionnaires used were the PWI(Psychological Well-being Index) scale for psychosocial distress, the CES-D(Center for Epidemiologic Studies-Depression) scale for depressive symptoms, and a questionnaire created to assess suicidal impulses. Results : The overall prevalence of high-risk psychosocial distress among the study group was 64.2%. The percentages of respondents with scores on the CES-D Scale above 16 and above 21 were 77.6% and 62.7%, respectively. The percentage of respondents categorized as having suicidal impulses was 18.3%. When compared with unexposed groups in the general population taken from various sources, the residents of Taean were 6.5 times as likely to have high stress and 9.4-9.7 times as likely to be depressed. No significant difference in the rate of suicidal impulse was found between the residents of Taean and the general population. Factors associated with high stress, depression, and suicidal impulses were age, a change in income, educational level, number of days working on the cleanup, and positive responses to questions about "affected daily activity" and "hospital visit due to work on cleanup". Conclusions : The results suggest that the HS oil spill had a significant impact on the psychological health of residents of Taean, but the comparability of the unexposed groups is a limitation of the study.
Weed is one of the problems in the crop land as well as in uncultivated land, raising the farm management costs. Therefore, the weed control is essential for effective agricultural management. The cost for weed control in Korea occupies on the average 27.6% of the total labor cost required. Agricultural policies since 1960 were transferring from yield increase due to land productivities to increase of income due to labor productivities. Therefore, the weed control by hand is also changed to weed control by chemicals. The weed control by chemicals has also brought about some side-effects and needs better, improved weed control methods. The present weed control situation and related problems were studied to present new approaches for agricultural development in the future. There were 458 species of weeds in 82 families which were growing in the crop land. The weeds to control, however, are 12 in paddy field and 9 in upland. So far weeds in paddy field are well under control, while weeds in upland are poorly controlled due to change in chemical efficiency and chemical damage in the upland. The administration, research and extension work for the efficient use of agricultural chemicals have been done by various institutions, such as Office of Rural Development, Office of Forestry, and chemical companies. The courses for agricultural chemicals were offered in the agricultural colleges. However, the efficiency of chemicals could not be maximized due to the poor relationships among related institutes. The newly established Agricultural Chemical Research Center at the Office of Rural Development and the Korean Weed Science Association are expected to contribute toward improving weed control in Korea. The Korean agriculture in the future will eventually be mechanized and the varieties resistant to high nitrogen application and to high plant density will be required for high yields. The rice will be transplanted earlier and the whole growing period will be extended. The application of organic matter will be increased for increasing soil fertility, and the use of agricultural chemicals will be continued. Under such a condition, the studies on the weed occurrence and its integrated control measures will be needed. Also weed controls in the newly exclaimed land, crop varieties, horticultural varieties, forage crops, and forests are also needed to study. Basic and practical researches for the weed control to improve the labor productivity will be also needed. In order to meet the all requirements for efficient weed control, weed control systems including all the academics, research and extension workers, administratives, farmers and companies should be established. Also securing researchers and education of personnels are pre-required and research funds for the chemical studies should be provided efficiently and timely.
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