• The Journal of Sustainable Design and Educational Environment Research
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• v.8 no.1
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• pp.11-22
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• 2009

School is a basic and the most fundamental facility of city planning just like other basic public facilities including the village office. Every plan is established on the basis of school. However, the problems such as the population reduction resulting from the nuclear family-zation and low birth rate, employment and welfare of the aged people resulting from "the old aged society", and the infant nursing and education resulting from a rapid increase of the working couples become notable and accordingly more requirements are being made. Reflecting this trend, the concept and operation system should be changed. Up to now, the BTL projects of the educational facilities are gaining a reputation of being efficient in terms of national budget running, but at the same time receiving negative reputation in terms of budget saving under the civil creativity and efficiency. Through upgrading the private sector investment projects into the BTO+BTL system and further into the BTO(Build Transfer Operate), we can accomplish the original goals of the private sector investment projects, and can make the education budget operation more efficient, and can greatly improve the education environments. However, we should not underestimate in this process that these facilities should not negatively affect the education environments. In any situation, the owners of schools are students.

• Journal of The Korean Digital Architecture Interior Association
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• v.11 no.1
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• pp.43-51
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• 2011

Thanks to the historic sites, the identity of historical landscape of Gyeongju is definitely recognized. When explaining, in other words, the identity of urban scape, we have to know the characteristics of landscape with the changes of the times. Therefore this study is tried to understand the urban scape form and meaning of the historic city Gyeongju, futhermore to find out the identity of urban scape, catching hold of the characteristics of landscape by periods. The research was proceeded through the classifying the concept of Urban form by periods and the basic ideology and adopting the representative landscape at that time with the literatures and maps in the Silla period. And then tried to find out the identity of landscape with the link between the concepts of the representative landscape and that of Urban form in chronological order. The results of this study is relativeness between city and natural environment, type of the Grid - Pattern on urban form, basic ideals were inspired by Buddhism.

• Journal of Preventive Medicine and Public Health
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• v.53 no.6
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• pp.405-408
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• 2020

In epidemiology, the basic reproduction number (R₀) is a term that describes the expected number of infections generated by 1 case in a susceptible population. At the beginning of the coronavirus disease 2019 (COVID-19) pandemic, R₀ was frequently referenced by the public health community and the wider public. However, this metric is often misused or misinterpreted. Moreover, the complexity of the process of estimating R₀ has caused difficulties for a substantial number of researchers. In this article, in order to increase the accessibility of this concept, we address several misconceptions related to the threshold characteristics of R₀ and the effective reproduction number (R_t). Moreover, the appropriate interpretation of the metrics is discussed. R₀ should be considered as a population-averaged value that pools the contact structure according to a stochastic transmission process. Furthermore, it is necessary to understand the unavoidable time lag for R_t due to the incubation period of the disease.

• Journal of Korean Academy of Nursing Administration
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• v.8 no.4
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• pp.655-667
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• 2002

Purpose : This study analysis of nursing interventions and core nursing interventions performed orthopedic surgery care unit. Method : The data were collected from 55 nurses of 4 general hospital from July. 10, 2002 to Aug. 30, 2002. The instrument for this study was the Korean translation of 486 nursing intervention classifications developed by McColskey & Bulechek in 2000. In the 486 nursing interventions 350 nursing interventions were selected 8 among the 10 more than 5 years working group in orthopedic surgery care unit. Self frequency checking performed by 350 nursing interventions were used secondary questionnaire In the orthopedic surgery care unit nurses. Results : 1. The most frequently used nursing interventions domains were "Physiological : basic" and then "Physiological: complex", "Health system" "Behavior", "Family", "Safety". 2. Orthopedic surgery care unit core nursing interventions were performed several times a day by 50% or more of orthopedic surgery care unit and this result were 4 of domain, 11 of class, 26 core nursing interventions. This core nursing interventions were 5 of "Physiological : basic", 17 of "Physiological: complex", 1 of "Safety", 3 of "Health system" and have no "Behavior", "Family". Conclusion : This study analyzed nursing intervention of orthopedics and reestablished nursing intervention concept and I hope this study will be helpful for the nurse to be a professional by applying this to actual clinic, for development in qualified nursing and for establishment nursing information system.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2015.11a
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• pp.164-165
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• 2015

Modular construction technique is an adaptation of factory-based mass production concept in ordinary manufacturing industries to construction industry and it assumes that panels, units, etc. are fabricated in factories and assembled in construction sites. Given its structural limitations, modular construction technique is primarily used in low-story buildings whose maximum height is usually five stories, but researchers are actively studying possible adaptation of modular construction technique to high-rise building designs these days as in the case of infill-type modular construction design. Infill-type modular construction technique, most frequently used in high-rise building construction projects, completes frame construction first in reinforced concrete structures and fills unit modules in such structures. However, infill-type modular construction technique leads to longer construction schedule accompanying increase in construction cost, cost overrun due to additional of temporary work, and possible damage to units in the wake of facility construction. Accordingly, this study is performed as a basic study for the development of bottom-up infill-type modular construction technique intended to construct structural frames and fill in units sequentially in a bid to address such drawbacks of current infill-type modular construction technique.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.21 no.3
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• pp.369-377
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• 1997

The torque converter, a major part of automatic transmissions, has many difficulties in analysis due to the factors such as power transmission through fluid flow, complex internal geometry, and various operating conditions. Because of such difficulties, the dynamic analysis and design of a torque converter are generally carried out by using equivalent performance model which is based on the concept of mean flow path. Since the design procedures of a torque converter are essential technology of automotive industry, the details of the procedures are rarely published. In this study, the basic design procedures of a torque converter are systemized and coded based on the equivalent performance model. The mathematical methods to deal with mean flow path determination and the core-shape are developed. And by using this model, the method of determination of performance parameters satisfying the requested performance is proposed. Finally, to embody the three-dimensional shape, the intermediate blade angles which maximize the tractive performance are determined and laid out.

• Journal of the Korean Society for Library and Information Science
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• v.42 no.2
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• pp.309-325
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• 2008

The purpose of this study is to identify the concept and current status of resolving the gap in knowledge and information provided as a new role of public libraries. We have examined what kind of role public libraries has to play, and have analyzed the relationship of financial independence of public libraries and local autonomous entities, the use of public libraries and the social class vulnerable to knowledge and information by utilizing existing statistical data. Through this, We have presented a basic point in question needed in searching for a way to strengthen the role of public libraries in resolving the gap in knowledge and information..

• Journal of Biomedical Engineering Research
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• v.31 no.2
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• pp.87-93
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• 2010

Researches for stem cells have been focused on scientists in biomedical sciences as well as clinical application for its great therapeutic potentials. Stem cells have two distinct characteristics: self-renewal and differentiation. In this short review, the links between stem cell research and biomedical engineering is discussed based on the basic characteristics of stem cells. This concept can be extended to the fundamental questions of biological sciences for cells such as proliferation, apoptosis, differentiation, and migration. For understanding proliferation and apoptosis of stem cells, techniques from biomedical engineering such as surface patterning, MEMS, nanotechnologies have been used. The advanced technologies such as microfluidic technologies, three dimensional scaffold fabrication, and mechanical/electrical stimulation have also been used in cell differentiation and migration. Basic and unsolved questions in the stem cell research field have limitations by studying conventional technologies. Therefore, the strategic fusion between stem cell biology and novel biomedical engineering field will break the barriers for understanding fundamental questions of stem cells, which can open the window for the clinical applications of stem cell based therapeutics as well as regeneration of damaged tissues.

• Earthquakes and Structures
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• v.10 no.5
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• pp.1049-1066
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• 2016

An approximate analysis is presented for multi-story setback buildings subjected to ground motions. Setback buildings with mass and stiffness discontinuities are common in modern architecture and quite often they are asymmetric in plan. The proposed analysis provides basic dynamic data (frequencies and peak values of base resultant forces) and furthermore an overview of the building response during a ground excitation. The method is based on the concept of the equivalent single story system, which has been introduced by the author in earlier papers for assessing the response of uniform in height buildings. As basic quantities of the dynamic response of elastic setback buildings can be derived by analyzing simple systems, a structural layout of minimum elastic rotational response can be easily constructed. The behavior of such structural configurations, which is basically translational into the elastic phase, is also examined into the post elastic phase when the strength assignment of the various bents is based on a planar static analysis under a set of lateral forces simulating an equivalent 'seismic loading'. It is demonstrated that the almost concurrent yielding of all resisting elements preserves the translational response, attained at the end of the elastic phase, to the post elastic one.

• Journal of Korean Society for Atmospheric Environment
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• v.28 no.2
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• pp.109-118
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• 2012

Ahead of the second basic plan which starts in 2015, tasks needed to improve air quality and encourage green growth in the Seoul Metropolitan Area have been investigated. To date, many research findings indicate that climate change is ongoing and continues to accelerate in the Northeast Asia due to several factors, including unparalleled anthropogenic air emissions from China. An intensive field study is proposed that would target the Seoul Metropolitan Area and would be conducted in collaboration with the international scientific community. While focused on environmental issues in Korea, this study would also benefit the international community by providing insights that can be applied to address similar problems around the world. In addition to the basic plan's emphasis on improving air quality, there is a need to promote green growth through environment-friendly development. It is proposed that green growth be interpreted as a comprehensive concept, targeting all environmental pollution, rather than being limited to low-carbon goals. It is further proposed that the success of environment-friendly development be measured in terms of risk reduction, energy and resources conservation, economic benefits, and employment expansion.