• The Journal of Industrial Distribution & Business
• /
• v.8 no.5
• /
• pp.35-42
• /
• 2017

Purpose - This study investigated small business members' cognition of happiness in accordance with changes of employment environment at the nation's industrialization. The study verified effects of labor workers' psychological wellbeing conditions upon life satisfaction as well as the effects of job burden and family burden of employment instability. Research design, data, and methodology - The subjects were small business workers in Seoul and Metropolitan areas. The author collected 150 copies of effective questionnaires. Regression analysis, hierarchical analysis and 3-stage mediation regression analysis were done. Results - The findings of this research was that psychological wellbeing factors alleviated job burden and family burden to increase satisfaction with life. Employment instability moderated between job burden and satisfaction with life, job burden between environmental control and satisfaction with life, and family burden between goal and satisfaction of life. Members needed sub factors of psychological wellbeing, especially reflection for self-acceptance. Conclusions - This study inspected effects of small business workers' psychological wellbeing upon life satisfaction at changes of management environment as well as labor environment to verify effects of job burden, family burden and employment instability and to find out conditions of human resources management from point of view of small business and workers.

• Journal of the Korean Home Economics Association
• /
• v.48 no.2
• /
• pp.51-62
• /
• 2010

The primary purpose of this study was to employ an ecological model to analyze relative magnitudes of significant predictors affecting school life satisfaction in Korea Science Academy. The instruments used for this study were school life satisfaction Scale, Self-Efficacy Scale, Relationship Skill Scale, Internal Control Scale, Emotional Intelligence Scale, and FACE IV Scale. Data were collected by purposive sampling of 180 students of the Korea Science Academy in Busan, Korea. The data were analyzed by frequency, percentile, mean, standard deviation, Cronbach' ${\alpha}$, Pearson's productive correlation, hierarchical regression and stepwise regression, using SPSS 15.0+WIN program package. The results were as follows: 1. The level of school life satisfaction in Korea Science Academy was found to be high(Mean = 4.24, SD = 0.57). 2. Model IV was the most powerful. It explained 49.7% of the school life satisfaction. 3. Relationship with friends(${\beta}$ = .443), with teachers(${\beta}$ = .273), and self-efficacy(${\beta}$ = .201) were significant factors in explaining the school life satisfaction. The three variables explained 49.9% of school life satisfaction.

• Journal of Microbiology and Biotechnology
• /
• v.24 no.11
• /
• pp.1473-1483
• /
• 2014

Reports of herbicide resistance events are proliferating worldwide, leading to new cultivation strategies using combinations of pre-emergence and post-emergence herbicides. We analyzed the impact during a one-year cultivation cycle of several herbicide combinations on the rhizobacterial community of glyphosate-tolerant Bt-maize and compared them to those of the untreated or glyphosate-treated soils. Samples were analyzed using pyrosequencing of the V6 hypervariable region of the 16S rRNA gene. The sequences obtained were subjected to taxonomic, taxonomy-independent, and phylogeny-based diversity studies, followed by a statistical analysis using principal components analysis and hierarchical clustering with jackknife statistical validation. The resilience of the microbial communities was analyzed by comparing their relative composition at the end of the cultivation cycle. The bacterial communites from soil subjected to a combined treatment with mesotrione plus s-metolachlor followed by glyphosate were not statistically different from those treated with glyphosate or the untreated ones. The use of acetochlor plus terbuthylazine followed by glyphosate, and the use of aclonifen plus isoxaflutole followed by mesotrione clearly affected the resilience of their corresponding bacterial communities. The treatment with pethoxamid followed by glyphosate resulted in an intermediate effect. The use of glyphosate alone seems to be the less aggressive one for bacterial communities. Should a combined treatment be needed, the combination of mesotrione and s-metolachlor shows the next best final resilience. Our results show the relevance of comparative rhizobacterial community studies when novel combined herbicide treatments are deemed necessary to control weed growth.

• Journal of Distribution Science
• /
• v.11 no.7
• /
• pp.23-30
• /
• 2013

Purpose - The study attempts to investigate the relationship between inventory management and firm performance using a multi-dimensional aspect of inventory management with respect to lean management practices across countries. Research design, data, and methodology - 1643 manufacturing firms from Japan and the US that SIC ranges from 2000 to 3999 were chosen to conduct the empirical test. This study employs hierarchical OLS regression analysis to examine the impact of control variables, ABI, EBI, and the interaction between ABI and EBI on firm performance. Results - The result indicates that in Japan high level of inventory negatively influences the accounting flows of business, while US manufactures exhibit strong positive impact of ELI on firm performance across accounting and market measures. The results show that the complementarity between the amount and the speed of inventory does exist. Except for Tobin's q, the sign of interaction term coefficient is negative, suggesting that when the amount of inventory increases and it stays longer in a firm, market values, ROS, and ROA suffers. Conclusions - The major finding of this study is that there exist some complementarities between the scope and implication of inventory management for lean strategy across countries, particularly in U.S. and Japanese firms.

• Proceedings of the IEEK Conference
• /
• 2006.06a
• /
• pp.991-992
• /
• 2006

Multiprocessor system is efficient and high performance architecture to overcome a limitation of single core SoC. In this paper, we propose a multiprocessor SoC (MPSoC) architecture which provides the low complexity and the high performance. The dynamic routing scheme has a serious problem in which the complexity of routing increases exponentially. We solve this problem by making a cluster with several PEs (Processing Element). In inter-cluster network, we use deterministic routing scheme and in intra-cluster network, we use dynamic routing scheme. In order to control the hierarchical network, we propose efficient router architecture by using smart crossbar switch. We modeled 2-D mesh topology and used simulator based on C/C++. The results of this routing scheme show that our approach has less complexity and improved throughput as compared with the pure deterministic routing architecture and the pure dynamic routing architecture.

• Journal of the Korea Concrete Institute
• /
• v.17 no.6 s.90
• /
• pp.1053-1064
• /
• 2005

The mechanical damage of concrete is normally attributed to the formation of microcracks and their propagation and coalescence into macroscopic cracks. This physical degradation is caused from progressive and hierarchical damage of the microstructure due to debonding and slip along bimaterial interfaces at the mesoscale. Their growth and coalescence leads to initiation of hairline discrete cracks at the mesoscale. Eventually, single or multiple major discrete cracks develop at the macroscale. In this paper, from this conceptual model of mechanical damage in concrete, the computational efforts were made in order to characterize physical cracks and how to quantify the damage of concrete materials within the laws of thermodynamics with the aid of interface element in traditional finite element methodology. One dimensional effective traction/jump constitutive interface law is introduced in order to accommodate the normal opening and tangential slips on the interfaces between different materials(adhesion) or similar materials(cohesion) in two and three dimensional problems. Mode I failure and mixed mode failure of various geometries and boundary conditions are discussed in the sense of crack propagation and their spent of fracture energy under monotonic displacement control.

• The Transactions of the Korean Institute of Electrical Engineers A
• /
• v.50 no.9
• /
• pp.431-439
• /
• 2001

This Paper illustrates a new numerical analysis method using a nodal effective load model for nodal probabilistic production cost simulation of the load point in a composite power system. The new effective load model includes capacities and uncertainties of generators as well as transmission lines. The CMELDC(composite power system effective load duration curve) based on the new effective load model at HLll(Hierarchical Level H) has been developed also. The CMELDC can be obtained from convolution integral processing of the outage capacity probabilistic distribution function of the fictitious generator and the original load duration curve given at the load point. It is expected that the new model for the CMELDC proposed in this study will provide some solutions to many problems based on nodal and decentralized operation and control of an electric power systems under competition environment in future. The CMELDC based on the new model at HLll will extend the application areas of nodal probabilistic production cost simulation, outage cost assessment and reliability evaluation etc. at load points. The characteristics and effectiveness of this new model are illustrated by a case study of MRBTS(Modified Roy Billinton Test System).

• Journal of the Ergonomics Society of Korea
• /
• v.33 no.1
• /
• pp.27-37
• /
• 2014

Objective: This study aims to improve human performance by analyzing the operators' tasks and providing input data on the composition of future SMART operators. Background: SMART is a nuclear reactor for export which needs operators who can satisfy both safety and economic feasibility. Therefore, this study is fundamental research on the composition of operators and this research analyzed SMART tasks in terms of human safety performance. Method: After analyzing 10 SMART EOG in hierarchical task analysis, this study classified task performance types according to task requirements of NUREG-0711 (Rev.3). Results: This study found the task frequency of SMART EOG and 12 operating task types. Conclusion: This study expects that human performance can be improved by analyzing the personal errors, which have the highest task frequency among 12 operating task types. Application: The results of this study can be applied as base data when licensing needs to be acquired.

• Fashion & Textile Research Journal
• /
• v.8 no.1
• /
• pp.34-40
• /
• 2006

Fascism is a term that began to be used from the late 1930s, means an idea and a system that the strong power of the state intervenes or control people's life based on the argument that the existential value of individuals is found only in the total. Fascist looks, which resulted from World War I and II, had brought a new pattern in women's fashion inspired by men's military uniforms. Thus, the purpose of this study was to identify fascist fashion trends in the first half of the twentieth century and to infer various aesthetic values of fascism expressed in fascist fashion looks. The results of this study indicated that expressions of fascism reflected the current ideology of rebellion and appealed to the original national sentiment of the masses. Fascism occurred in response to the contradiction of capitalism and its general crisis had emerged as an ideology with the highest popularity symbolizing power and government during the first half of the twentieth century. It was expressed in military looks as self-centered nationalism and yearning for minorities. Second, fascist fashion looks were not only for political and sexual temptation with the image of power but also for the display of women's status and roles through the bold expression of sexual attractiveness. Finally, fascist fashion looks expressed medieval images praising the feudal age in imagination that contained heroism and at the same time achieved integration under strict social hierarchical order.

• The Korean Journal of Community Living Science
• /
• v.26 no.2
• /
• pp.237-248
• /
• 2015

This study examines the effects of late school-aged children's perception of their mother's responses to negative emotions and their ego resilience on their life satisfaction. Data were collected from 390 fifth- and sixth-graders residing in Kwangju, Korea. With the data, frequency, percentages, and Cronbach's ${\alpha}$ were calculated. Pearson's product moment correlation coefficients and hierarchical regression analyses were also considered. The effects of various variables on life satisfaction were analyzed, and according to the results, vitality had the greatest effect on life satisfaction, followed by vitality, optimism, emotional coaching responses, interpersonal relationships, emotion-reducing responses, emotion control, and the material employment status, in that order. The study contributes to the literature by providing additional insights into the mother's desirable responses to children's negative emotions and highlighting the importance of positive ego resilience in children's life satisfaction through the elucidation of effects of late school-aged children's perception of their mother's responses to negative emotions and their ego resilience on their life satisfaction.