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미소 표면 결함에서 발생하는 초기 균열의 거동에 미치는 응력장의 영향
김만근,김진봉 한국산업안전학회 1999 한국안전학회지 Vol.14 No.3
This study has been performed to investigate the stress distribution around defects that behave as stress concentrators. Besides, the effect of stress interaction effects on the initiation of primary cracks were also investigated by rotary bending fatigue tests which were performed with specimens drilled micro surface defects and the stress distribution was analyzed using Finite Element Method. In addition, the stress interaction effects around defects and cracks were investigated- by comparing the results of experiments and F.E.M. The results obtained are summarized as follows ; 1) Area which slip and micro cracks initiated at micro surface defects is between the maximum shear stress points and this area is over than ±30˚the maximum stress point along the defect edge. 2) The stress interaction effect for the small size defect is larger than that of large size defect when the interval between them is near. 3) Interval which there is no shear stress interaction effect analyzed by F.E.M. is larger than that of experimental results.
The Influence of Household Types on Food and Grocery Store Choices
김만근,이윤금,김성숙 한국농촌경제연구원 2018 농촌경제 Vol.41 No.S
This study examines the effect of household type on food and grocery store choices using the 2016 KREI Consumer Behavior Survey for Food (CBSF) data. This study further investigates factors (e.g., socio-economic characteristics, consumer capacities, and store attributes), in relation to food and grocery store choices. There exist significantly different store choices among the household types. The marginal effects from the multinomial logit model show that one-person households are more likely to choose supermarkets as their primary food and grocery stores. In contrast, relatively young (age under 45) multi-person households are more likely to shop their food and groceries in large discount stores. Both elderly (age 65 and up) one-person and multi-person households prefer to go to supermarkets as well as traditional markets. Except for elderly households, all the households are less likely to shop in traditional markets. The implications for growing one-person and elderly households are discussed.
제품차별화전략으로서의 Brand Identity : 5대 패스트푸드사 중심으로
김만근 한국패키지디자인학회 2001 상품문화디자인학연구 Vol.10 No.-
Enterprises have to first establish special relations with their customers through effective communication in the market environments of a society with diversified environments that makes it easy to get commodities. In view of that, brand identity is getting more and more important. Especially, in the package design, study in B.L makes its efficiency identified and it is understandable that the image of a brand with excellent package design could stimulate people to buy merchandise. A commodity increases its good impression by expressing its uniqueness, thereby forming brand loyalty. Meeting the emotional propensity to consume by groups with desire to buy by providing the brand image with effective impact, that is, a strategy of appealing to the emotional feelings of consumers would play a great role in the business culture. In this connection, the results from this study will be summarized as follows: First, brand naming is the one of the strongest differentiation factors. The leading brand in the appreciation of brands is preferred by consumers. It means it is more frequently exposed to people, who will prefer it more. High degree of recognition of a brand by consumers means that the image of the brand name has been clearly transmitted to people. Second, in the aspect of the sense of vision, differentiation strategy consists in development of B.I. As shown on the results of investigation, although B. I. cannot work as a direct factor for the preference of brand, it is evaluated that a decisive factor in the degree of brand preference is greatly correlated with B. I. strategy of package design. Since preference to a brand is formed by connection with various factors, consistent development of image through comprehensive review and improvement can give contribution to increase of preference to a brand. Third, in differentiation strategy for package design, colors, the aesthetic aspect and appreciation of the beautifulness work as the most core factors. It is appraised that more people are tempted to purchase commodities by package designs, and many people agree on importance of it. However, since it is evaluated that satisfaction in package design is not so high now in the Korean market, which means package design must be improved in the future in Korea. As it is indicated that colors and aestheticism are the important parts in which consumers have the most interest as proper package design factors, it is required that package designs must be diversified through market segmentation. Fourth, B. I must be gotten stronger to enhance brand loyalty. Brand loyalty should be upgraded by review of connection with the aspect of the sense of vision and the aspect of marketing as well through market segmentations fit to life patterns of groups with desire to purchase commodities. Fifth, local brands should focus on becoming better than leading brands, just not to try to come up with them. Because B. I. and package designs of most of the local brands remains in the state of OEM or planetary redesigning of foreign brands, it is definitely required that both Korean designers and companies have to create unique Korean identity depicting excellent Korean cultural value. Sixth, all we have to do is in the future establish marketing approach to meet the requirements of various buying groups and develop marketing strategy based on design marketing concept. In addition, it is hoped that the results from general marketing aspects will be compared and reviewed and then integrated through a thorough study.
태권도 지도자의 리더십과 리더신뢰 및 지도효율성의 구조모형 검증
김만근(Kim, Man-Kuen),김규태(Kim, Kyu-Tae),이경렬(Lee, Kyoung-Yul) 한국체육과학회 2014 한국체육과학회지 Vol.23 No.2
The research has purpose on examining the structural model among leadership, leader trust, and coacting effectiveness of in taekeondo coach′s. The objects for the research are taekeondo player in high school and samples of 316 questionnaires by convenience sampling is used as final research materials. The statistical techniques, which were used for the analysis of this study, frequency analysis, exploratory factor analysis, reliability analysis, correlation analysis, and structure equation model analysis, by using SPSS 18.0 and AMOS 7.0. Through these procedures, the following conclusions were elicited. First, The leadership has influences on the leader trust. Second, The leadership has influences on the coacting effectiveness. Third, The leader trust has influences on the coacting effectiveness.