• 천문학회보
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• 제41권1호
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• pp.79.3-80
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• 2016

We have investigated the correlation analysis between global temperature anomaly and two main factors: geomagnetic activity (aa index) of Earth external factor and CO2 of Earth internal factor. For this, we used NOAA Global Surface Temperature anomaly (Ta) data from 1868 to 2015. The aa index indicates the geomagnetic activity measured at two anti-podal subauroral stations (Canberra Australia and Hartland England) and the CO2 data come from historical ice core records and NOAA/ESRL data. From the comparison between (Ta) and aa index, we found several interesting things, First, the linear correlation coefficient between two parameters increases until 1985 and then decreases rapidly. Second, the scattered plot between two parameters shows a boundary of the correlation tendency (positive and negative correlation) near 1985. A partial correlation of (Ta) and two main factors (aa index, CO2) also shows that the geomagnetic effect (aa index) is dominant until about 1985 and the CO2 effect becomes much more important after then. These results indicate that the CO2 effect become very an important factor since at least 1985. For a further analysis, we simply assume that Ta = Ta(aa)+Ta(CO2) and made a linear regression between (Ta) and aa index from 1868 to 2015. A linear model is then made from the linear regression between energy consumption (a proxy of CO2 effect) and Ta-Ta(aa) since 1985. Our results will be discussed in view of the prediction of global warming.

• 교육시설 논문지
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• 제26권6호
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• pp.29-37
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• 2019

The research institute has a function to get the research outcome through the various experiments, data collection and analysis. Therefore, research building is important to keep the research condition or experiment environment. But buildings would be deteriorated and leaded into the deterrence of research. Maintenance is planned to protect the research building condition through various general repair or heavy repair. The heavy repair is generally conducted in massive repair scope or main components preparation. In this paper, it aimed at analyzing the effect of the massive or main components repair with inputted cost and its resulted output. In order to analyze the effect of a massive repair, it used the Benefit/Cost analysis and sensitivity analysis. Results of this study are as follows : The benefit/cost analysis shows that research building whose researcher continuously live and study has good effect. On the contrary, pace of the the experimental function is not good effect in benefit/cost analysis. But the experimental function is indispensible to get the research outcom for the research goal. Therefore, the experimental function will be planned to repair and get the historical repair data because the proper repair time would be prepared to cut down the repair cost.

• Smart Structures and Systems
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• 제16권6호
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• pp.1069-1089
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• 2015

Arch bridges consist of some important components for structural behavior such as arches, sidewalls, filling materials and foundations. But, arches are the most important part for this type of bridges. For this reason, investigation of arch is come into prominence. In this paper, it is aimed to investigate the arch thickness effect on the structural behavior of masonry arch bridges. For this purpose, Goderni historical arch bridge which was located in Kulp town, Diyarbakir, Turkey and the bridge restoration process has still continued is selected as an application. The construction year of the bridge is not fully known, but the date is estimated to be the second half of the 19th century. The bridge has two arches with the 0.52 cm and 0.69 cm arch thickness, respectively. Finite element model of the bridge is constructed with ANSYS software to reflect the current situation using relievo drawings. Then the arch thickness is changed by increasing and decreasing respectively and finite element models are reconstructed. The structural responses of the bridge are obtained for all arch thickness under dead load and live load. Maximum displacements, maximum-minimum principal stresses and maximum-minimum elastic strains are given with detail using contours diagrams and compared with each other to determine the arch thickness effect. At the end of the study, it is seen that the maximum displacements, tensile stresses and strains have a decreasing trend, but compressive stress and strain have an increasing trend by the increasing of arch thickness.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1999년도 하계학술대회 논문집 C
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• pp.1085-1087
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• 1999

In this paper, we propose the method for assessing the effect of voltage sag in power distribution system using fuzzy risk assessment model. The proposed method is based on SCBEMA curve that expresses the representative susceptibility curve by voltage sag for each customer type. These corves are made using the CBEMA curves obtained from the experiment for the customers'sensitive equipment. In order to transform SCBEMA curves to the probability damage by voltage sag, the fuzzy risk assessment model is used in this paper. Case studies were performed to analyze the effect of voltage sag by varying parameters. The Monte Carlo simulation method and the historical reliability data in KEPCO are used for case studies.

• 대기
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• 제30권3호
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• pp.311-318
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• 2020

Impacts on the atmospheric circulation and ocean system over the Mediterranean during boreal summer are investigated using Coupled Model Intercomparison Project Phase 5 (CMIP5) historical simulations (from 1911 to 2005). As the climate warms, global and remote effects lead to a strengthening in descending motion, an increase in sea surface temperature (SST) and surface dryness, but a decrease in marine primary production over the Western Mediterranean. The global effect is estimated from interannual variability over the global mean SST and the remote effect is driven by diabatic forcing generated from the South and East Asian summer monsoons. On the other hand, a local contribution leads to the strengthened descending motion and increased surface dryness over the Eastern Mediterranean, whereas the marine primary production over this region tends to increase due to possibly the urban wastewater and sewage. Our result suggests that particular attention needs to be paid to conserve the marine ecosystem over the Mediterranean.

• 보건행정학회지
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• 제28권4호
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• pp.378-391
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• 2018

Background: People who were born in different years, that is, different birth cohorts, grow in varying socio-historical and dynamic contexts, which result in differences in social dispositions and physical abilities. Methods: This study used age-period-cohort analysis method to establish explanatory models on healthcare expenditure in Korea reflecting birth cohort factor using intrinsic estimator. Based on these models, we tried to investigate the effects of ageing population on future healthcare expenditure through simulation by scenarios. Results: Coefficient of cohort effect was not as high as that of age effect, but greater than that of period effect. The cohort effect can be interpreted to show 'healthy ageing' phenomenon. Healthy ageing effect shows annual average decrease of -1.74% to 1.57% in healthcare expenditure. Controlling age, period, and birth cohort effects, pure demographic effect of population ageing due to increase in life expectancy shows annual average increase of 1.61%-1.80% in healthcare expenditure. Conclusion: First, since the influence of population factor itself on healthcare expenditure increase is not as big as expected. Second, 'healthy ageing effect' suggests that there is a need of paradigm shift to prevention centered-healthcare services. Third, forecasting of health expenditure needs to reflect social change factors by considering birth cohort effect.

• 복식
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• 제61권4호
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• pp.14-23
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• 2011

The present study aims to apply the theory of Brecht's 'Verfremdung' or distancing effect to the process of fashion design. The distancing effect refers to an avant-garde artistic technique that enables artists to create their works by viewing particular objects separately from the phenomena that occur around those objects. Brecht encouraged a sense of purpose that involved shifting to the new society sought by modernism. He also suggested an artistic approach that isolates perception from judgment 'Verfremdung' which reflects his approach well. In this paper, with the distancing effect considered as a method for creation, the author identifies the system of thought associated with the distancing method and applies this system to fashion design. To this end, the author first reviewed the concepts of 'Entfremdung' (alienation) and the distancing effect and studied the backgrounds of the two concepts. Next, the author identified Brecht's epic theory and its application. As a result, a method of perceiving objects as used with the distancing effect was noted, and this method was utilized to distinguish the relationship between the body and its clothes. Specifically of interest were parts of the human body and the related functions of clothes as well as the motor functions of the body and detailed decorations on clothes. Moreover, the author discovered a trend in the wearing of clothes that exists in the context of historical changeability by examining Brecht's work as it relates to the types of clothes that are worn. Finally, the author applied the distancing effect to fashion design in consideration of the discovered trend.

• 디지털콘텐츠학회 논문지
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• 제18권6호
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• pp.1091-1099
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• 2017

본 연구는 정치수업에서 학습자들의 몰입도와 흥미를 향상시키기 위한 도구로써 영화라는 콘텐츠를 활용하고자 하였다. 영화는 인간 사이에 오고 가는 정보를 전파하기에 가장 일반적이고 강력한 영향력을 가진 수단 중 하나이면서, 대중들에게 가장 쉽게 노출되어 있기 때문에 학습의 보조수단으로써 그 접근성이 용이하다. 특히 시각적 이미지화의 인식은 사고의 인식보다 쉽고 빠르게 진행된다는 과학적 근거에서 볼 때, 영화를 통해서 정치현상을 이해하는 것은 활자의 정치현상보다 높은 이해도와 몰입도를 가져와 그 효과는 배가 될 수 있다. 무엇보다도 영화는 이데올로기화 되어 사람의 마음속에 침투시킴으로써 공론화되기도 하며, 역사적 사건이 영화 속에서 재현되기도 한다. 마찬가지로 정치도 당대의 지배 신념이나 사상의 역할을 바탕으로 하여 다양한 인간행위의 집단을 정당화하기 위한 여론을 형성하기도 하며, 이에 따라 오늘날의 정치현상들도 새롭게 등장하는 것이 아니라 과거의 역사적 경험들이 재현화 된다는 것을 보여주기도 한다. 이를 바탕으로 현대의 한국정치사에서 논의되는 주제들을 영화라는 콘텐츠와 연결하여 논의하고자 한다.

• 한국조경학회지
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• 제30권4호
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• pp.82-91
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• 2002

The site for this plan is located at the foot of Mt. Unseo at Galcheon-ri, Changsu-myon, Youngdeok-gun. On the site stands Jangyutsa Temple, built by priest Naong in 1355 (in the 4th year of King Gongmin during Koryo Kingdom). The purpose of this plan is to widely publicize and commemorate priest Naong by designing a district centering around the temple. The basic directions of design can be summarized as follows 1) A special Buddhists'pilgrimage and sight-seeing district aimed at commemorating priest Naong will be developed to preserve the historic figure of priest Naong. To this end, a facility will be built to collect, preserve and exhibit materials related with the great priest in order to preserve his legacy and enhance the image of the space. 2) Special fractions which are rare in other districts will be introduced to create an image different from the conventional memorial districts or sight-seeing zones. To this end, the district will be divided into the Jangyuksa Temple area proper and a district memorial area, each of which will have its own unique characteristics with different functions. On the other hand, the two different areas will be related with each other and complemented by each other. Such planning techniques as articulation and superimposition will be used for a synergistic effect. 3) The plan will accommodate various programs centering around historical and cultural assets, and at the same time will allow tourists to have various experiences and access to the natural environment as well as to a variety of events. 4) In order to plan such landscapes as shown in the traditional mountain temples, the traditional tectonic forms will be used for the facilities. It is expected that the district surrounding Jangyuksa Temple will become a popular sight-seeing destination, and with new historical and cultural environments will become a valuable resource to widely publicize the culture of Youngdeok-gun.

• 보존과학회지
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• 제22권
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• pp.77-86
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• 2008

역사적으로 중요한 의의를 지니는 발굴 유적의 보존을 위한 사전 보호 조치가 반드시 필요하며 최근에 들어 이에 대한 대책으로 합성수지를 이용한 유적의 보존과 복원 작업에 대한 연구가 활발히 진행되고 있다. 그러나 위와 같은 역사적 발굴 유구의 보존을 위해 필수적으로 해결해야 할 문제점은 원형에 손상을 주지 않는 유구 이전재 사용, 유구의 토양에 따른 유구 이전재 선별 사용, 외부 환경(습지, 동절기, 온도)에 영향을 받지 않고 사용 가능하여야 한다. 본 연구에서 유구 이전 전용의 에폭시 resin 및 경화제는 우수한 접착 인장과 자체 인장을 갖으며, 사용자가 원하는 다양한 물성들을 갖고 있는 제품을 개발하고자 하였다. 특히, 본 연구는 그간 지속적인 문제점으로 대두되고 있는 우레탄 1차 전사 생성물과 Epoxy 최종생성물간의 박리 문제를 해결한 것이 특징으로 이를 위한 다양한 성분들의 유구 이전 복원제의 조성에 대하여 연구하였다.