• Journal of Korean Society of Industrial and Systems Engineering
• /
• v.43 no.3
• /
• pp.204-215
• /
• 2020

Efforts on the continued increase of local government's fiscal spending related to improving the residential environment are desirable to counter the declining phenomenon of urban decline. At the same time, however, it is also important to know how to operate limited finances more efficiently to improve the residential environment. This study aims to contribute to the rational allocation of fiscal expenditure and the creation of productive results for the improvement of the settlement environment. To this end, this study analyzed the efficiency of financial expenditure related to the improvement of the residential environment in 225 local governments nationwide. The relationship between financial expenditure and residential environmental performance was also measured and the CCR, BCC and SBM models were used to measure efficiency. The analysis showed that most local governments need to scale back their fiscal spending related to improving the government environment. In addition, it was required to prepare feasible spending plans by bench-marking the processes of residential environment improvement projects in areas such as Haman-gun, Jongno-gu, Seoul, and Seocho-gu, which are considered to be under efficient operation.

• Nuclear Engineering and Technology
• /
• v.24 no.3
• /
• pp.252-262
• /
• 1992

The intent of this study is to develop an efficient calculation method which can be used to analyze the heterogeneous time-dependent reactor problems. By using the nodal theory one can not only reduce the calculational efforts, but accurately determine the group dependent flux densities averaged over the entire homogeneous nodes. This method uses correction factors(called“discontinuity factors”) in a rigorous manner to obtain the relationship between the node-averaged flux and the surface-averaged fluxes and currents. The discontinuity factors are calculated from the node-averaged fluxes, diffusion coefficients, and the discontinuity factors of the previous time step. The test results for two benchmark problems demonstrate the accuracy and efficiency of the method developed for the transient application in which assembly-size nodes can be used.

• Journal of Environmental Science International
• /
• v.29 no.11
• /
• pp.1089-1098
• /
• 2020

To assess the trophic function of an artificial macroalgal habitat, we compared the stable carbon and nitrogen isotope ratios of two amphipods (Caprella sp. and Ampithoe sp.) and their potential food sources in a transplanted macroalgal habitat (Grateloupia asiatica) with those in a natural habitat. There were no significant differences in the isotopic values of both consumers and their potential food sources between the transplanted and natural habitats. Such isotopic similarities between the two sites indicate a comparable resource consumer relationship. Additionally, our results showed similar isotopic niche areas and high dietary overlap (>65%) of the two amphipods between the transplanted and natural sites, suggesting that the transplanted habitat plays ecological roles similar to the natural habitat. Overall, isotopic assessment can provide information on the trophic function of diverse transplanted macroalgal habitats and improve post-monitoring efforts in the management of artificial ecosystems.

• Korean Journal of Health Education and Promotion
• /
• v.30 no.5
• /
• pp.163-175
• /
• 2013

Objectives: This study was performed to identify the relationship among sexual desire, other domains of sexual function and quality of life (QOL) and to describe the effect of sexual desire on sexual function and QOL in married women with hypoactive sexual desire disorder (HSDD). Methods: A total of 397 women with HSDD participated in this study. Data were collected through self-reported questionnaire which were constructed to include general characteristics items, Female Sexual Function Index (FSFI), and QOL tool. Data were analyzed using SPSS/WIN20 for descriptive statistics, t-test, one-way ANOVA, Duncan, partial correlation coefficients, and Hierarchial multiple regression. Results: There were significant correlations with sexual desire and other domains of sexual function. And also, sexual desire had a positive correlations with the psychological status and total QOL. The sexual desire was statistically significant predictors for sexual function and QOL. Conclusions: Health professionals should direct efforts toward developing sexual health-related counseling or education programs for women suffering from sexual dysfunction with the goal of helping them to achieve satisfying sex lives and improved quality of life.

• Journal of the Korean Institute of Rural Architecture
• /
• v.8 no.2
• /
• pp.11-18
• /
• 2006

Ecomuseums come into close relationship with resident and community. Progress of heritage concept brings on the change of valuation standard in heritage, that life style of residents become most important element of cultural heritage. The change of display method has caused the generation of various experience programs in ecomuseum which are display and education based on participation of visitors and residents. Ecomuseums in Europe during progress have conceptual peculiarities by themes to keep the cultural identity and protect folk culture in regional community. 'Europe Ecomuseum Network' seriously affected by social change and development is new alternative to promote regional identity and cultural exchange among Europe countries. People participation with all residents is decisive factor to promote identity and attachment in native place, as well as collaboration with residents, experts, administrators and NGO is one factor for sustainable development and the realization of ecomuseum, activation of regional economy, and also is the root of efforts to protect and activate regional community.

• Korean Institute of Interior Design Journal
• /
• v.23 no.4
• /
• pp.120-128
• /
• 2014

Due to prolonged recession and limited spending of the consumers, domestic fashion brands are putting their efforts in pursuing competitiveness in order to survive in an intense competition, and because of this reason, VMD is being considered significant as a strategy for store environment improvement. An empirical research regarding analysis for systematic strategic VMD configuration factors of fashion retail store and relationship of repurchase intention that have effects on increase in sales was conducted. Thus, this study considers importance and spatial interrelation of VMD configuration factors of fashion retail store through theoretical consideration, and based on this, VMD configuration factors were restructured into reconcilability, attractiveness and epidemicity. An empirical validation through theoretical hypotheses and survey for relationships among VMD configuration factors, brand preference and repurchase intention was conducted. As a result of path analysis, VMD configuration factors reconcilability, attractiveness and epidemicity have effects on repurchase intention, and it was analyzed that epidemicity has the biggest effect on consumers. Also, it was found that brand preference has effects on repurchase intention and through this, as favorability and customer satisfaction for brand has effects on repurchase intention, it is judged that creating a strong brand image and brand image building is important the most for improving brand preference.

• Journal of the Korea Institute of Building Construction
• /
• v.9 no.2
• /
• pp.93-101
• /
• 2009

Recently, public interest in housing defects, such as construction errors, occupiers' complaints, faults in production, and so on, is increasing. In addition, the construction requirements of high-rise residential buildings have increased, due to the higher prices of urban areas, especially in metropolitan areas. While previous research has focused on the defects occurring in apartment housing complexes, research has not been carried out on the defects occurring in high-rise residential buildings. In this paper, the defects patterns and characteristics of high-rise residential buildings are examined and analyzed and a defect management plan is then suggested. In order to do this, we collected the defects data of high-rise residential buildings recorded by 2,299 of 2,327 occupants. The defect occurrence rate (DOR) in the residential area is 98.8%. The frequency rate of defect occurrence over the total defect occurrence since building completion is 63.28% during the first year, 24.63% (second year), 6.88% (third year), 2.27% (fourth year), and 2.53% (fifth year). The result of correlation analysis between work types showed that there is a relationship between the built-in furniture and electronics (F&E) and painting works, and the F&E and masonry works, such as marble finishing. We expect that this research will assist in the efforts to decrease the number of defects in high-rise buildings.

• Journal of Digital Contents Society
• /
• v.18 no.3
• /
• pp.429-434
• /
• 2017

VR technology has been repidly developing thanks to development of a huge amount of new contents as well as new devices optimized for the virtual environment. Businesses in the IT sector have already started focusing on virtual reality, which might be considered as the center of industry in the future, and concentrated their efforts on development of VR, hardware and technology. Also, development of various VR device would lead to prosperity of media contents based on VR, Still, cyber sickness remain a serious problem waiting for an appropriate solution. In this paper we discuss causes for cyber sickness, analyze the relationship between cyber sickness and reflex eye movement and propose guidelines for the process of producing contents. In addition, we show experiments analyzing the effect of the proposed measures for alleviating cyber sickness.

• Journal of the Korean School Mathematics Society
• /
• v.7 no.1
• /
• pp.71-81
• /
• 2004

This study aimed at analyzing the real situations and problems related to the performance assessment and surveying the relationship between performance assessment and teaching-learning in schools. Especially, It focused on the performance assessment through ICT teaching method. Next, by suggesting performance assessment patterns in Math, this study tried to approach solution as follow: difficulties in setting up evaluation items, objectiveness or impartiality in evaluation, complexity in putting them into practice, time modulation related to evaluation, reduction of teachers' heavy burden in teaching and achievement to specific aims in each period. Finally, some suggestions were made as follow: more concerns and efforts were needed to establish better math teachers and physical environment with regard to teaching math in schools.

• Journal of the Korean School Mathematics Society
• /
• v.18 no.1
• /
• pp.149-167
• /
• 2015

In this study, we estimate the effect of ability grouping on mathematics achievement empirically. We use propensity score matching(PSM) method to minimize selection bias and estimate the effect of ability grouping on the mathematics standard score of Scholastic Ability Test with the KELS(Korea Education Longitudinal Study) 6th stage data. The result indicated that relationship between ability grouping and mathematics achievement is positive and Policy efforts is needed to operate ability grouping effectively.