Journal of the Korean Association of Geographic Information Studies
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v.17
no.2
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pp.72-81
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2014
As big data are one of main issues in the recent days, the interests on their technologies are also increasing. Among several technological bases, this study focuses on data visualization and R based on open source. In general, the term of data visualization can be summarized as the web technologies for constructing, manipulating and displaying various types of graphic objects in the interactive mode. R is an operating environment or a language for statistical data analysis from basic to advanced level. In this study, a web application with these technological aspects and components is newly implemented and exemplified with data visualization for geo-based open data provided by public organizations or government agencies. This application model does not need users' data building or proprietary software installation. Futhermore it is designed for users in the geo-spatial application field with less experiences and little knowledges about R. The results of data visualization by this application can support decision making process of web users accessible to this service. It is expected that the more practical and various applications with R-based geo-statistical analysis functions and complex operations linked to big data contribute to expanding the scope and the range of the geo-spatial application.
Background: Despite the increasing role of dry forests in climate change adaptation and mitigation, these versatile resources has got less attention in the national and regional planning, their potential to enhance the local and national economy has been overlooked, and their contribution to sustainable environmental management has not been recognized. Hence, the objective of this study was to assess the socioeconomic contribution of dry forests and forest products to climate change adaptation in the Liben Woreda, Southern Oromia region of Ethiopia. Methods: For this study, an integrated qualitative and quantitative approach was used. A total of 74 households from villages in the Bulbul, Boba, and Melka-Guba kebeles were randomly selected for the household survey. Results: Results showed that 75% of the respondents in the area indicated that climate change has become their major sources of vulnerability, where drought has been manifested in the form of crops failure and massive death of livestock particularly cattle species. The main income strategies of the study households include livestock, crop, forests such as gum and resins, firewood and charcoal and non-farm activities such as in the form of petty trade, wage and aid. The average total household income was ETB 11,209.7. Out of this, dry forest income constituted 15% of the total income. In addition to using dry forests as rangeland for livestock, the communities collect wood for construction, fodder, traditional medicine, and forest food both for subsistence and for sale. On the other hand, dry forest products could be considered as less vulnerable, rather resilient livelihood strategies to climate- and environment-related risks compared to livestock and crop production such as in the face of drought periods. More than 48.6% of the households argued that the income generated from dry forests increased substantially due to increment in the level of engagement of family members in forest based income activities. On the other hand, 35.8% of the households responded that livestock production, particularly camels and goats, have been making the livelihood strategies of the respondents more resilient indicating the shift made from grazers browsers to livestock. In general trends show that, the trends of livelihood dependency on dry forest were highly increasing indicating the importance of dry forest income in responsse to frequent droughts. Conclusions: Dry forest income has been becoming crucial livelihood staretgy in response to frequent droughts in the study area and hence, it is important to improve the management of dry forests for livelihood enhancement, while also securing their long-term ecological functions.
The Journal of Korean Academic Society of Nursing Education
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v.3
no.2
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pp.163-192
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1997
As the population over the age of 65 increases, the demand for nurses who care for this group also continues to grow. Well-prepared nurses who are knowledgeable and skilled for the elderly can be prepared through systematic gerontological nursing curricula. This study was carried out to identify the needs for gerontological nursing curricular contents. The subjects for this study were two participant groups the educators who teach gerontological nursing in three-year and four-year baccalaureate nursing programs, and the nurses who are working with the elderly in hospitals, community health centers, social welfare agencies, and community health practioner's posts. The major findings of the study are as follows : 1. The differences between actual contents and essential contents of the educators : Concerning the actual contents that is actually taught, the educators showed the highest scores on the demographics of older adults and the lowest scores on the cultural variations affecting health care. Regarding the essential contents, the educators showed the highest scores on the demographics and the lowest scores on the economics of aging. Aside from the demographics, all of the items were found to have significant differences between essential and actual contents. This implies that all the content areas except demographics should be emphasized. 2. The differences between actual knowledge and essential knowledge of the nurses : Concerning the nurses' actual knowledge, the nurses showed the highest scores on the common health problems and their treatment and the lowest scores on the politics of aging. Regarding the essential knowledge, nurses showed the highest scores on the chronic illness and common health problems and the lowest scores on their roles and functions. However, they thought all the items to be essential. All of the items were found to have significant differences between actual and essential knowledge. The nurses who studied gerontological nursing in their school years and after graduating had more knowledge. However, they felt more knowledge was needed. This implies that the nurses need more education in all content areas of gerontological nursing. 3. The differences between educators and nurses : Concerning the essential contents, the educators showed higher scores on the demographics and growth and development than the nurses. Whereas, the nurses showed higher scores on the cultural variations, long-term care, economics of aging, politics of aging, legal and ethical issues, and common health problems than the educators. 4. Activities of nursing care for the elderly : Most common activities were related to direct nursing care such as giving physical care, counseling/teaching clients, and assessing and planning care for the clients. Nurses thought that all the items were critical, but they showed relatively low scores on the following :'serve on multidisciplinary committee', 'preparing reports', 'evaluation of outcomes of care', 'determine policy for nursing service', 'set patient care standards', and 'participate in nursing research' The constraints in providing better nursing service were time constraints, administrative restraints, social restraints, and inadequate knowledge.
Previously, we found that the transgenic rice plants over-expressing the Arabidopsis $H^+/Ca^{2+}$ antiporter CAX 1 (accession no. U57411) gene accumulated 2.7 to 7.5-fold more calcium in the T3 rice grains as compared to those of control. To examine physiological safety of the $T_3$ rice grains, the effect of the $T_3$ brown rice on change in levels of body weight and white blood cells was compared with that of the control Ilpum brown rice by feeding trial in mice. During the feeding trial for one month, there was no significant difference between two mice groups, which were fed by the $T_3$ brown rice or Ilpum brown rice. There were no detectable differences in their effects on immune functions including plaque-forming unit, peritoneal macrophage number, and NK-cell activity. In addition, biochemical analysis of the blood failed to exhibit any difference between two mice groups. Together, these results suggested that the $T_3$ brown rice, which was produced from a genetically modified organism (GMO), might be safe and possess a potential to be applicable as calcium-fortified feed or food. Long-term safety of the $T_3$ brown rice, however, remains to be elucidated.
The narration of "Donguibogam" is focused on humans whilst medical books before it focused on diseases. This is shown from the first subtitle of External Body(身形門) chapter, [The Origin of Hyung-Ki(形氣之始)]. The contents of [The Origin of Hyung-Ki] explains that the human body is composed of 'Hyung(形)' and 'Ki(氣)' This perspective is shown throughout "Donguibogam". First, in the aspect of construction, the viewpoint is shown from the JipRye(集例). It divides the body into inside and outside, which is a result of Hyung-Ki perspective. This continues in the table of contents. Naegyeongpyeon(內景) and Oehyeongpyeon(外形) describes the inside and outside of the body, in other words 'Hyung-Ki'. Japbyeongpyeon(雜病) describes complex illnesses with mixed insides and outsides. Tangaekpyeon(湯液) and Chimgupyeon(鍼灸) can be understood as division of treatment methods into inside and outside. When we look at the contents, the human body is created on the basis of the essence and vital energy of the world. Cheon-Ki becomes the 'Ki' that forms the functions of the body, while Ji-Ki becomes the 'Hyung' that constructs the bodily structure. It is considered that 'Hyung' is composed of SaDae(the body essence, vital energy, mentality and blood), and 'Ki' is composed of OSang(the five Jang organs and six Bu organs). 'Hyung' and 'Ki' show various appearances according to physiology and pathology. 'Hyung' is especially shown by obesity or thinness, 'Ki' by color. The obese may have Ki deficiency, coldness, dampness or phlegm. The thin could have blood deficiency, heat, fire or dryness. The color could show the pathology of the five Jang organs by the five colors, but it can simply be divided into black and white, where black means Eum deficiency, and white means Yang deficiency. It is said that the distinctive feature of traditional Korean medicine is that it is a constitutional medicine. In this perspective, further study on 'Hyung-Ki' is of value. If "Donguibogam" was the foundation of the Sasang Constitutional Medicine(四象醫學), study on 'Hyung-Ki' means searching for the origin of the Sasang Constitutional Medicine. Also, the study on Sasang Constitutional Medicine and Hyungsang medicine(形象醫學) will show the modern image of "Donguibogam". Hence, interchange study between "Donguibogam", Sasang Constitutional Medicine and Hyungsang medicine through the term 'Hyung-Ki' could hopefully lead to academic progression.
Our study was based on the long-term surveys with respect to the major reservoirs located in the Yeongsan and Seomjin river basins. A total of 45 survey sites have been surveyed four times a year from 2008 to 2017. We identified 166 zooplankton species, including 127 rotifers, 26 cladocerans, and 13 copepods. Mean population density and species number of small reservoirs were higher than those of mid and large reservoirs. Considering outliers exceeding the 90th percentile between species occupancy and mean abundance, 10 of 11 habitat generalists were rotifers, and Bosmina longirostris was the only cladoceran. Habitat specialist consisted of three species of rotifers and emerged from one to three survey sites. According to the modularity results, it was found that the survey sites covering the entire river basins were characterized into five groups, which was similar to the classification by maximum water surface areas(MWSA). The result of the eigenvector centrality showed that the size of MWSA had a greater impact on the similarity of zooplankton community structure between reservoirs than the difference in distance between reservoirs. In the case of survey points in near dam or estuary bank of Juam and Youngsan reservoirs, modularity class were separated from other internal survey points of those. Given that the zooplankton interactions may contribute to freshwater functions more than species diversity. These topological features provide new insight into studying zooplankton distribution patterns, their organization and impacts on freshwater-associated function.
Our medical care system is trying to diversify in order to meet the client's needs, and to adjust to a medical environment which is changing very rapidly. Because current nursing theory and practice focus on holistic care, health care management, education, and research, contrary to the traditional emphasis on only assisting a physician, more autonomy and specialization for the implementation of nursing are required. Considering these trends and actual needs, the category of clinical nurse specialist should be established as soon as possible. In order to develop strategies for implementing this new professional specialty, the authors conducted a field survey and literature review of the current system in Korea. As a result, various obstacles and constraints were discovered as follows : 1) There are few accredited educational programs for the training of CNS's. 2) Several hospitals already have staff designated as clinical nurse specialist (CNS) even though the term CNS is not yet standardized or adopted in nationwide. 3) The role of the CNS is not clearly understood by the medical societies, or even nursing societies. A nurse who works in specific nursing areas such as central supply, kidney dialysis, intensive care, coronary care, etc. for a long time, considers herself /himself a CNS. Based upon the above findings, the following alternatives are recommended. 1) The role of the CNS should be defined according to specified functions and authority : professional autonomy ; counselling and educating patients and their familes, nurses, and even other medical personnel ; research on improvement of nursing ; and management of the nursing environment including medical resources, information, and cases. 2) the qualification of CNS should be attained only by a nurse who has an RN license and clinical experience of more than 3 years in a specific nursing field: passes a qualifying examination; and contributes to the professional development of peers, colleagues, and others. A master's degree should only be optional, because of the insufficient of graduate programs which are well designed for the CNS. 3) The CNS should initially be a head nurse rather than line staff in order to deal with as wide an experience base as possible. 4) The nursing specialty could be divided into two areas such as a clinical field and a community field. The clinical field could then be categorized by the Styles' classification such as diseases and pathogenics, systems, ages, acuity, skills/techniques, and function/role ; the community field could be classified according to work site.
This paper presents a practical and realistic Life-Cycle Cost (LCC) optimum design methodology for steel bridges considering the long-term effect of environmental stressors such as corrosion and heavy truck traffics on bridge reliability. The LCC functions considered in the LCC optimization consist of initial cost, expected life-cycle maintenance cost, and expected life-cycle rehabilitation costs including repair/replacement costs, loss of contents or fatality and injury losses, road user costs, and indirect socio-economic losses. For the assessment of the life-cycle rehabilitation costs, the annual probability of failure, which depends upon the prior and updated load and resistance histories, should be accounted for. For the purpose, Nowak live load model and a modified corrosion propagation model, which takes into consideration corrosion initiation, corrosion rate, and repainting effect, are adopted in this study. The proposed methodology is applied to the LCC optimum design problem of an actual steel box girder bridge with 3 continuous spans (40m+50m+40m=130m). Various sensitivity analyses are performed to investigate the effects of various design parameters and conditions on the LCC-effectiveness. From the numerical investigation, it has been observed that local corrosion environments and the volume of truck traffic significantly influence the LCC-effective optimum design of steel bridges. Thus, these conditions should be considered as crucial parameters for the optimum LCC-effective design.
Purpose: Anatomical repair of massive rotator cuff tear has been technically challenging because of medial retraction, muscle atrophy and fatty degeneration. Among several treatment options for massive rotator cuff tear, we reviewed rotator cuff repairs and investigated modalities for improvement of clinical outcomes, decreasing the re-tear rate, and increasing healing. Materials and Methods: Patient-related factors and rotator cuff-related factors were the two major groups of factors we considered when choosing a treatment plan. Results: Mobilization of a massive rotator cuff tear was increased by soft tissue release and by the interval slide technique. After meticulous soft tissue release, anatomical repair could be achieved. If the injury was not amenable to anatomical repair, alternative treatment options such as partial repair, the margin convergence technique and augmentation with a tenotomized biceps tendon were considered. Many reports of massive rotator cuff repair demonstrated satisfactory clinical outcomes, decreased pain, recovery of shoulder functions, and increases in muscle strength. However, the re-tear rate had been reported to be relatively high in long-term follow-up. Conclusion: Despite a high re-tear rate after massive rotator cuff repair, a better understanding of the pathogenesis, progression and clinical symptoms of massive rotator cuff tear and improved surgical materials and techniques will lead to satisfactory clinical outcomes.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.2
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pp.440-447
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2020
The purpose of this study is to identify the causation and variation among the various types of onion prices in the major production sites to predict these prices. The Granger causal relationship was tested on the basis of VECM by setting the onion price of the early, middle, and late species as individual variables. The analysis shows that the amount of onions produced in the prior term affects the price of onions for the later period, while garlic in the substitution relationship with onions also affects the prices of onions for the early and middle-variety. On the other hand, the price of the late-variety is affected by the price of the early-variety, and the price of the middle-variety is also affected by the price of the early-variety. If the price of onions on Jeju changes due to other factors, the prices of onions in Jeollanam-do and Gyeongsangnam-do provinces will be affected. Accordingly, when the production of late-variety increases or decreases in production under any factor and to promote stability of the prices of middle and late-variety through preemptive supply and demand measures when the prices of ultra-breed onions rise or fall due to any factor (Ed- I cannot understand this last sentence and cannot guess at the correct meaning. Please try to rewrite very simply).
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