• Journal of Distribution Science
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• v.11 no.1
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• pp.55-63
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• 2013

Purpose - As the members of the baby boomer generation have retired in earnest, the start-up market has received more attention than ever before. According to recent statistical data, an increasing number of entrepreneurs are in their fifties. There has been a continuous increase in promotional materials on small business issues published by start-ups. This means that senior start-ups have increased in number. A number of support systems have been established for youth start-ups, but there are few government support policies in place for the senior start-up market. Thus, this study suggests a number of constructive alternatives from the perspective of government policy and marketing strategy for entrepreneurs, in order to generate competitiveness in the start-up process, through examining the current state of the senior start-up and by diagnosing extant problems. Research design, data, methodology - This study gives a number of options regarding the government's support policies and the securing of competitiveness in order to vitalize senior business start-ups. As for the government's support policies, funding support policy, publicizing business start-up policies, and operating systematic mentoring policies before retirement have all been covered. In particular, in order for senior business start-ups to become competitive, development through mutual relations with diverse policies is urgently needed. The aging population is becoming an issue in Korea, so businesses for the aged, and the creation of jobs for these people, will become a social issue. Senior business start-ups are playing an important role in expanding enterprise productivity, in addition to enhancing national competitiveness. Expanding senior business start-ups is important, because they also serve to expand the national infrastructure. Productivity increase through continuous expansion is thus recommended. Results - In order to expand the competitiveness of business start-ups, marketing-related observations and learning in regard to customers are necessary for the baby boomer generation, and competitiveness for seniors is urgently needed. Conclusions - Studies on the business start-up policies for the domestic baby boomer generation are almost non-existent, and systematic studies on small businesses are necessary. Only the government is providing statistical studies for small businesses, and such research remains at a general level for entrepreneurs. Therefore, a support system that can actually assist entrepreneurs is essential. Continuous business start-up studies with respect to the baby boomers should be vitalized, to invigorate studies on competition. In order to supplement and strengthen foundational support, senior business start-ups must develop various competitive capabilities with a focus on the customer. The government and the various stakeholder agencies and organizations involved with start-up businesses must find ways to offer support to founders. Such support should include access to knowledge and legal and consultancy services in order to incubate the rapid increase in start-ups founded by seniors. Government support projects should be expanded to meet this end.

• Journal of the Korean Geographical Society
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• v.49 no.5
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• pp.728-746
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• 2014

The purpose of this study is to analyze the influence of the selective migration of young age group and the stage migration which has proceeded through generations, on the transition of fertility and the population growth in the rural and urban in the case of Jeollabuk-do. For this, we use O-D matrix of 20-34 age group, the distribution of that group and women of child bearing age, and vital statistics in 1970-2010. The major findings of this study are as follows. First, the outflows from their birth place are common and dominant features of 20-34 age group in each time. Second, there is the stage migration which preceding generation moved from the rural areas to the cities in Jeollabuk-do and following generation has moved from the cities to Seoul metropolitan area. Third the selective outflow migration of young age group has leaded to reduction of the childbearing population, declining birthrate, aging and natural population decline. Due to the stage migration, these depopulation processes occurred in rural area in the past, and currently it expands to the cities with about 15 years time gap. In fact, there have been the natural population decrease which annual number of deaths exceed that of births from the late 1980s in the most rural areas and in the early 2000s, such a phenomenon has been confirmed also in urban areas. Therefore, this study concludes that the stage migration through generations is one of the crucial factor to the population growth in local cities and also brings out the step-wise population decrease in settlement hierarchies.

• Korean Journal of Environment and Ecology
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• v.23 no.1
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• pp.56-65
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• 2009

In Korea, Red pine(Pinus densiflora) stands at a very important place, historically, culturally, and emotionally and it is one of the tree species that can produce domestic timber as forest resources economically. The growing space for Red pine forest in Korea is gradually reducing while the space for deciduous tree forests including oak series is gradually increasing. Thus, it is required that the research work should be done on renewal for pine forest retention and its related forest management practices. This research aims at developing stable, sustainable management forests and inducing nature renewal by grasping growth environment and succession process through the pattern of stand and structure analysis of the red pine(Pinus densiflora) for central region. The pine forests in central region were classified into four communities, such as Acer pseudo-sibolianum, Quercus acutissima, Lindera erythrocarpa, and Pinus densiflora and they are showing different characteristics by pattern according to their growing district. There appeared a lot of red pines in the upper layer, but there existed high weight of broad-leaved forest tree species, such as oak series in the middle layer and the appearance of the red pine was meager in the lower layer. Therefore, it appears that the red pine has a high influential ecological strength in terms of correlativity; however, if the red pine in tree layer is dead by aging in nature state with the lapse of time, it is considered that oak species, such as Quercus mongolica, Quercus variabilis, and Quercus serrata will be dominant below sub-tree layer. In addition, there appear differences in characteristics and growth pattern of the red pine forest depending on stand pattern, so it is considered that a differential application method should be employed in the pine forest management.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.5 no.1
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• pp.28-35
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• 1994

Research on biological aspects on adult depression has been subjected to more than 25 years of systematic research, while biologic investigations regarding childhood and adolescent depression are only now being initiated. Although no unifying, explanatory theory of the biologic etiology of childhood depression emerges from the results of studies reviewed above, the findings do support that biological factors may be involved in the genesis of childhood depression. The research reviewed in this paper suggests that age and pubertal factors have major effects in most biological markers of depression. Some of these markers, like sleep EEG and neuroendocrine markers should be broken down by decades during adult life span. Thus, although adult data are very valuable points of departure for biological research on child and adolescent depression, it is very hard to transfer the adult data to prepubertal children and adolescents, ignoring the biological changes that take place in growth and development, pubety and aging. A great deal of work in basic developmental neuroscience remains to be done. It will be crucial for further advances in this field to determine the normal patterns of neurotransmitter interaction in this age group and to study children at high risk for depression. It will be also crucial to use primate models of depressive illness in order to be able to answer the many queations that cannot be investigated in humans for ethical issues. Conclusively, much closer collaboration between developmental and neurobiological and behavioral studies in primates and in humans will be essential for further development.

• 한국노년학
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• v.41 no.1
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• pp.25-48
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• 2021

This study intended to examine the willingness to use as well as necessary functions for ICT-based care assistance devices in older adults living alone. A total of 241 older adults living alone from a city participated in the study. Study results show that many older adults living alone are willing to use ICT-based care assistance devices at their home and the functions of care assistance devices that they perceived as necessary were diverse. In addition, there were differences in perception of functional necessity by socio-demographics and medical and functional characteristics of older adults living alone. In particular, there were significant differences in the functions perceived as necessary according to the presence of osteoporosis, depression, insomnia, and limitations in daily activities. Our study findings suggest that the functions of ICT-based care devices should be developed in various ways in order to help healthy aging in place. Findings also imply that it is necessary to provide individualized services and customized care assistance devices according to individual's medical and functional characteristics and needs.

• 한국노년학
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• v.31 no.3
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• pp.767-793
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• 2011

This study aims to explore how older adults construct their life-world in their ecological and socio-cultural context of rural communities and to understand what meanings they give to the life experiences they have had within their life-world. Two rural villages in Sunchang County in North Jeolla Province, South Korea were selected for this study and ethnographic fieldwork was conducted for about 2 months to gather the data. Despite the fact that rural communities face restructuring and economic decline, older adults in this study gave positive meanings to their life experiences. Doing agricultural labor particularly in later life let them maintain independence and continuity in life, and provided them with plenty of opportunity to interact with nature. Also, they had a sense of control over their physical and social environments where they had been familiar with for a long period of time. Furthermore, older adults had various memories of contributions to families and communities have been created. This research shows older adults in rural communities are active agents of their life-world, dismantling stereotypical notions of older adults as dependent, isolated, and marginalized. Implications of the study are discussed in detail.

• Korean Journal of Social Welfare
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• v.66 no.3
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• pp.209-230
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• 2014

The study is to show the prevalence of double-care burdened households who care simultaneously for children(under 6) and provide invalid elderly care for aging parents among women aged 30s to 40s in Korea. The study aims to place care as ordinary needs for our whole lifetime, not as a special happening to a certain age group at specific period. Also, study attempts to reveal that care experiences include both burden and pleasure, and that care relationship, such as care giver-receiver-assistants(second-helpers), strongly affects the diversity of caring experience. Results are as follows. 38.1% of the survey respondents report that they are/have ever been the double-care burdened households who carry both child care under 6 and elderly care suffering from health problems in the past or the present. If including those who expecting the double burden of care in the near future, the prevalence rate goes up to 54.9%. As hypothesized, caring includes both pleasure and burden. The order of pleasant feelings is child care> parents care>in-law parents care, and that of burden is in reverse. However, caring relationship has a strong influence on pleasure or agony of the caring experience. The association between the relationship and the experience, which is expressed by pleasure or pain, occurs to both daughter-parents and in-laws. Interestingly, the caring experiences by daughter to her parents tend to go more burdensome because their husbands do not commit their identity as carer aid, with no additional caring effort for their in-laws. In conclusion, some policy suggestions for double care problems are provided.

• Advances in environmental research
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• v.6 no.3
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• pp.159-171
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• 2017

A successful oil well drilling depends largely on a good mud Program. During drilling, mud provides sufficient hydrostatic pressure, removes drill cuttings and cools drill bits. Mud additives are always required to provide sufficient hydrostatic pressure to ensure borehole stability. Barium Sulphate ($BaSO_4$) also known as barite is the prevalent weighting material but there is needed to develop local materials to augment the use of Barite. The present search is concerned on the early Carboniferous succession exposed in Um Bogma Formation, west central Sinai, Egypt as a new weighting agent in drilling fluids. The increases in the cost of drilling fluids and a shortage of using barite have introduced the locale dolomite as alternative weighting materials. The rheological properties of mud drilling samples weighted by local dolomite samples are being examined and investigated to know its potential to be used as a weighting material in drilling mud. Two mud samples were prepared which comprised of fresh water, caustic soda, bentonite and the weighting material. The weighting materials are added to achieve the required density. The first sample: Water-based mud with commercial barite of density between 10.00 lb/gm and 18.00 lb/gm. The second sample: Water-based mud with dolomite of density between 10.00 lb/gm and 18.00 lb/gm. These samples were analyzed and the density, rheological properties, aging of barite and dolomite and solid contents were investigated. At 10.00 lb/gm, the yield point of dolomite was $20.00lb/100ft^2$ and barite $22.00lb/100ft^2$ while the 10 second gel strength of dolomite was $30.00lb/100ft^2$ and $22.00lb/100ft^2$ for barite. Similarly, little difference was observed in plastic and apparent viscosities. At 10.00 lb/gm, the plastic and apparent viscosities of dolomite were 8.00 cp and 20.00 cp while barite was 8.00 cp and 24.00 cp. The result show that dolomite mud sample gave a little higher yield point and gel strength than barite mud sample. Therefore, dolomite has the potential to be used as weighting material in drilling mud in place of barite thereby enhancing the local content initiative of the government. When dolomite is sourced locally and used it will reduce overall mud and drilling costs.

• 한국노년학
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• v.38 no.1
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• pp.243-259
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• 2018

The purpose of this study is to investigate the moderating effect of home-based welfare facilities for older adults on the associations between the activities of daily living (ADL) / instrumental activities of daily living (IADL) and the depressive symptoms among Koreans in later life. Multilevel analysis was conducted with Korean Longitudinal Study of Aging 5th data and the public report about welfare facilities from Ministry of Health and Welfare in Korea. Samples were 4,139 older adults over 65 years old. The dependent variable was depressive symptoms, and individual level independent variables were ADL and IADL. The ratio of home-based welfare facilities out of 10,000 older adults in each city and province was the moderator. As a result, the effects of ADL on depressive symptoms vary according to the proportion of elderly welfare facilities out of the old population in the community. In specific, the older adults who live in the place where the elderly welfare facility rate was higher were less affected by ADL. Also, the more IADL people had, the more depressive symptoms they had. However, the interaction effect between IADL and the proportion of home-based welfare facilities was not significant. It suggests that delivering welfare services helping ADL through the home-based welfare facilities may be useful for decreasing depressive symptoms. Moreover, considering the proportion of facilities and older population will be helpful to make the welfare facilities efficiently work.

• The Journal of the Korea Contents Association
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• v.21 no.5
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• pp.808-823
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• 2021

This study was conducted to explore the experience and its meaning of the elderly residents in long-term care facilities(LTCFs). It is aimed to find the role of family and society for the qualitative care of elderly living in LTCF and to seek social welfare measures. For this purpose, qualitative research data was collected by conducting in-depth interviews and participation observations on 8 elderly residents at 4 LTCFs in Seoul, Incheon, and Gyeonggi Province. The collected data were analyzed using Giorgi's phenomenological research method. The analysis results show that 33 semantic units, 14 subcomponents, and 4 upper components. The 4 upper components showed up as 「Crumbling my existence」, 「The life thrown into an unfamiliar environment」, 「New relationship where discomfort and gratitude coexist」 and 「My life I want to find」. Among them, 「My life I want to find」 was the essence of the living experiences of elderly residents in LTCF. Through this study, it was suggested creating an environment to provide facilities access preparation program for the elderly, developing and activating various family participation programs, providing conditions of Aging in place for the elderly, and developing and activating community resource linkage programs.