• Progress in Superconductivity and Cryogenics
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• v.8 no.3
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• pp.18-22
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• 2006

We obtained in-situ $MgB_2$ thin films in an one-step process using ESSD (Evaporation Sputtering Simultaneous Deposition) method. In our approach. the Ma evaporator is designed specially Mg and B are simultaneously evaporated and sputtered, respectively, in the specially designed ESSD chamber. The background pressure was less than $1{\times}10^{-6}$ Torr. The substrate temperature was kept at 623 K. The film properties were investigated by both electrical resistivity and PPMS. As a result, typical $T_c$ of films was 11 K.

• Journal of the Daesoon Academy of Sciences
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• v.33
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• pp.219-255
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• 2019

'Dao' is an important research subject as it is the main term for 'ultimate reality' in East Asian religious thought. Understanding the concept of 'Dao' is essential to reach the state of 'Perfected Unification with Dao,' the ultimate aspiration in Daesoon Thought. The meaning of 'Dao' can vary such as 'Dao' meaning 'way', which was first introduced in Jinwen. There is also the 'Dao' of yin and yang, and Dao used to mean human obligation, or Dao meaning the way of Heaven. These can also be classified into five categories: Constant Dao, Heavenly Dao, Divine Dao, Human Dao, and the Dao of Sangsaeng. Every natural phenomenon of birth, growth, and death in the universe operates under the patterns of Heaven and Earth. Therefore, Constant Dao in Daesoon Thought is the ultimate pattern underlying human action and the operations of Heaven and Earth. These apply not only to the natural and the divine world but also to the human world. It can be said that 'Rather than natural law or moral symbol of the world, 'Heavenly Dao' means the great Dao that saves the world through the Daesoon Truth of Sangje, Supreme God of the Ninth Heaven. Divine Dao can be said to be 'the Dao by which man must complete his work according to the law and the will of God,' that is, 'the Dao by which God and man are united together by Sangje's heavenly order and teaching, which aims for humanity, righteousness, propriety, and wisdom.' When the world is in a state of calamity and crisis, the request for the saint's Dao can symbolized by the kings, Yao and Shun, in The Canonical Scripture (Jeon-gyeong). The saint's Dao saves the dying world and people's lives and is called 'saving lives by curing the world (濟生醫世)'. It can be regarded as a characteristic of Human Dao in Daesoon Thought, which is the human obligation to follow Sangje's order, the great Dao to save the world. The Dao of Sangsaeng is the true dharma that rectifies the world full of mutual conflict through the ethics of the Later World, which is to promote the betterment of others and to practice the human Dao that saves the world and rebuilds the Constant Dao. Thus, The concept of Dao in Daesoon Thought is Daesoon Truth which applies to and operates throughout all realms of Heaven, Earth, Humanity, and the Divine world. Dao in Daesoon Thought was influenced by the historical background in which it emerged and this can be seen in its ideological features. It embraces the traditional concept of Dao, which refers to the Chinese classics and represents the main schools of thought in East Asia: Confucianism, Buddhism, and Daoism. And it is unique in that it implies the will of Sangje as a religious object, a supreme being. It can be seen that Daesoon Thought has developed through the process of defining the concept of Dao by harmonizing both the universality and specificity of modern Korean religious thought.

• Journal of the Korea Institute of Building Construction
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• v.18 no.5
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• pp.429-437
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• 2018

The aim of the research is to analyze a feasibility of rapid evaluation method for cement fineness by the relation analysis between density measurement using hydrometer and fineness of ordinary Portland cement. Additionally, based on the commercially available cement product, relation between a series of fundamental properties of cement mortar and fineness of cement powder was analyzed. As an experimental result, the actually measured fineness value of cement powder showed a good correlation with the fineness value obtained by hydrometer while there was poor correlation with the fineness value on specification. Especially, the density measurement in three minutes showed the closest relation with cement powder fineness, thus rapid quality evaluation of cement powder can be possible by using the regression equation obtained from the three minutes density measurement. Additionally, there was a high relation between cement powder fineness with a fundamental properties of the cement mortar such as fluidity, air content, setting time, and strength development.

• Culinary science and hospitality research
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• v.19 no.5
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• pp.158-169
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• 2013

Finespotted flounder, used for a representative raw fish in spring, is considered comparatively difficult to breed, which causes small Olive flounder and Stone flounder from China, similar kinds of flounders, to appear on the market for sale under the name of 'Finespotted flounder.' The reason lies under the considerations that small Olive flounder and Stone flounder from China are relatively lower priced and in higher supply and demand, being difficult to distinguish from Finespotted flounder when sliced with bones. Thus, the purpose of our thesis is to distinguish Finespotted flounder from similar kinds of fish analyzing the lipid content in slices of raw fish and SDS-PAGE(sodiumdodecylsullipide-polyacrylamide gel eletrophoresis). Upon comparing the main components between sliced Finespotted flounder and similar kinds of fish, such as small Olive flounder and Stone flounder from China, we found that there are no noticeable differences among them in moisture content, and little, if any noticeable differences, in crude protein and ash content(P>0.05). Based on these analyses, we have conclude that commercial raw fish restaurants sell small Olive flounder and Stone flounder under the name of Finespotted flounder. However, a variety of factors have an effect on our analysis, such as the individual characteristics of fish and a seasonal variation. The aim of our analysis is to enhance more accurate distinction criteria, although some fish kinds can be discerned with our present technique of examining lipid content and SDS-PAGE. Through more sophisticated analyses developed by consistent research, we look forward to attaining more accurate techniques for discerning between Finespotted flounder and different kinds of similar fish.

• Proceedings of the Korea Water Resources Association Conference
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• 1996.01a
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• pp.1-95
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• 1996

전국에 산재한 수위관측지점의 관측개시 이후의 모든 홍수위 자료를 구성하고 주요 지점의 개별 홍수사상에 대한 단위도를 유도하여 지점별 대표단위도를 작성하였다. 또한 유도된 대표단위도를 이용하여 미계측 지점에 대한 단위도와 첨두홍수량을 추정하였다. 연구 결과를 요약하면 다음과 같다. 1991년과 1992년에 이어서 1993년에도 홍수위자료의 수집과 정리에 역점을 두어 관업을 수행하였으며 조선하천조사서, 조선하천조사연보, 한국수문조사연보 등의 각종 문헌에 수록되어 있는 주요 홍수사상의 수문곡선을 판독하여 전국 220개의 수위관측지점에 대하여 총 5,735개 사상의 홍수위 자료를 구축하였으며 이를 자료집으로 구성하였다. 홍수사상에 대한 단위도를 유도하기 위하여 시우량자료는 기상청 자료를 중심으로 구성하였으며 효율적이고 안정적인 능형회귀방법을 이용한 단위도 유도 방법을 적용하여 사용자가 화면을 통해서 홍수사상과 유도된 1mm-1hr 단위도를 보고 적합한 단위도를 선택할 수 있도록 단위도 유도 프로그램을 개발하였다. 대부분의 홍수사상이 지정홍수위 이상인 범위만이 정리되었는데 지정홍수위 이하의 부분은 일수위로부터 읽은 값을 참고로 하고 대수보간을 하여 자료를 구성하도록 하였다. 개발된 단위도 유도 프로그램을 사용하여 지점별 홍수사상별로 단위도를 유도하여 유역별로 총 65개 지점에 대하여 952개의 단위도를 유도하였는데 한강 유역은 16개 지점에서 263개의 단위도를 유도하였고 낙동강 유역은 28개 지점에 460개 단위도를, 금강 유역은 7개 지점 82개 단위도를, 영산강 유역은 7개 지점에서 88개 단위도를, 섬진강 유역은 7개 지점에서 59개의 단위도를 유도하였다. 유도된 단위도들을 지점별로 평균하고, 이를 참고로 하여 Nash 모형을 이용한 지점별 대표단위도를 유도하여 정리하였다. 또한 유도된 대표단위도를 유역에 따라서 지점별로 비교하여 상하류간의 관계를 분석하였으며 신뢰할만한 결과로 판단되었다. 유도된 대표단위도의 첨두유량 및 첨두시간을 유역면적 등과 비교하여 그 관계를 검토하였다. 유역면적과 첨두유량 및 유역면적과 첨두시간의 관계는 비교적 일정한 경향을 보여주었으며 이를 이용하여 미계측 유역의 1mm-1hr 단위도를 추정하였다. 2년 빈도의 설계강우량에 대해서 유역면적이 50, 100, 1,000, 10,000, 20,000$\textrm{km}^2$인 경우 첨두홍수를 추정하였으며 유출률을 0.9로 할 때 4장에서 분석, 제시된 지점별 평균연최대홍수와 비슷한 값을 보여주었다. 따라서 미계측 유역에서는 설계강우량만 주어진다면 본 연구에서 추정된 미계측 유역의 단위도 추정 방법을 이용하여 첨두홍수를 추정할 수 있을 것으로 판단된다. 본 연구의 단위도 유도 대상 지점은 전국의 수위관측지점이었으나 5대강을 제외한 기타 수계에 있어서는 수위자료뿐만 아니라 유량측정성과도 미비하여 단위도 유도를 하지 못하였다. 또한 유역면적 500$\textrm{km}^2$ 이하에서는 홍수위 자료는 있어도 유량측정성과가 없는 지점이 많았고 육량측정성과가 수 회에 불과한 지점이 대부분이었기 때문에 단위도를 유도할 수 없었다. 따라서 분석된 결과를 소유역으로 연장하는 것은 다소 무리가 따르며 대략 어느 정도가 될 것이라는 참고자료로 이용하는 것이 바람직하다고 본다. 현재의 여건에서는 소유역의 유량측정성과를 확충하는 일이 급선무일 것이다. 유역면적이 작은 수위 관측 지점에 대한 지속적인 유량측정이 절실히 요구된다.

• 재활복지
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• v.22 no.1
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• pp.51-86
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• 2018

The study was conducted to examine the characteristics of case management in psychiatric rehabilitation facilities. The purpose of this study is to analyze the importance and performance of case management activities, and 114 cases managers in the psychiatric rehabilitation facilities in Seoul participated in the study. The study analysed the importance and performance of each case management through IPA and Paired T-test. As a result of the study, Assessment stage showed the highest performance and importance, and the performance was conducted as much as the importance. Except assessment, performance in all stages were significant lower than the importance. IPA analysis showed that most case management activities belonged to the quadrant I(high importance-high performance) and the quadrant III (low importance-low performance), but the T-test analysis showed lower performance than importance. Participation of Service users and Cooperation of community resource were lower than those of importance. Participation of Service users showed high importance and performance, but performance was relatively lower than importance. On the other hand, cooperation of community resource was low in overall importance and performance, moreover, performance was very low. It is considered that various efforts should be made to activate them.

• The Korean Journal of Applied Statistics
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• v.33 no.2
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• pp.161-170
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• 2020

The combined ${\bar{X}}-S^2$ chart is a traditional control chart for simultaneously detecting mean and variance. Control limits for the combined ${\bar{X}}-S^2$ chart are determined so that each chart has the same individual false alarm rate while maintaining the required false alarm rate for the combined chart. In this paper, we provide flexibility to allow the two charts to have different individual false alarm rates as well as evaluate the effect of flexibility. The individual false alarm rate of the ${\bar{X}}$ chart is taken to be γ times the individual false alarm rate of the S² chart. To evaluate the effect of selecting the value of γ, we use the out-of-control average run length and relative mean index as the performance measure for the combined ${\bar{X}}-S^2$ chart.

• The Journal of the Korea Contents Association
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• v.17 no.1
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• pp.50-57
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• 2017

This study investigated the causes and problems of train operation impediments through the statistics analysis of 8 years'internal data of Daejeon Metropolitan Express Transit. By evaluating the risks regarding the system, equipment, and parts of high risk group, this study measured the Risk Index Severity, and applied the $5{\times}5$ Risk Assessment Matrix which is a method of risk management to calculate the scale of risk to analyze the safety level and allowance range. As a result, the car sector, the most serious risk, followed by machinery and equipment sector showed that the inherent risk. In particular, the door broken and the door rail signaling and control devices due to defects of the vehicle is high, but also the severity, and frequency are showing very frequent additional potential accidents. PSD also had defects in the machinery sector appeared to be the most dangerous of the PSD poor safety gates, it was found that the glass also involve the risk of mishandling and breakage of the PSD. This study intended to contribute to the transportation benefits through the safety and stable operation of Metropolitan Express Transit.

• The Korean Journal of Food And Nutrition
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• v.26 no.4
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• pp.759-765
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• 2013

This study investigated the quality characteristics of cookies containing Platycodon grandiflorum powder, which is well known for its various functions and biological activity. Cookie samples were prepared by adding the Platycodon grandiflorum powder at different levels of 0%, 1%, 3% and 5%. In this study, moisture, pH, color, spread factor, hardness and sensory evaluation of cookies were examined. The results showed that the pH and moisture of cookies were decreased when more amount of Platycodon grandiflorum powder was added. Regarding the color of cookies, the L value was decreased when more amount of Platycodon grandiflorum powder was added, where as the a value and b value were increased (p<0.001, p<0.01). The spread factor of cookies generally increased as more amount of Platycodon grandiflorum powder was added, but it was not statistically significant. The hardness of the cookies decreased as more amount of Platycodon grandiflorum powder was added. Cookies containing 1% of Platycodon grandiflorum powder showed the highest scores for overall acceptability, color, taste and texture. Regarding the flavor of cookies, the control showed the highest score, and the score decreased as more amount of Platycodon grandiflorum powder was added.

• 한국HCI학회:학술대회논문집
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• 2006.02b
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• pp.803-809
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• 2006

이 연구는 인터넷 소설을 읽을 때 사용자의 참여도에 따라 그 내용의 이해도가 어떻게 영향을 받는지 알아 보고자 한다. 현재 인터넷 소설은 소설의 양식이 인쇄매체에서 인터넷 매체로 옮겨졌음에도 불구하고 인터넷이라는 매체의 특성을 활용하지 못하고 있다. 인터넷 매체의 여러 특징들 가운데 상호작용성은 인쇄매체에서 인터넷 매체로의 전환을 이룬 다른 장르에서 주요 특징으로 고려되고 있다. 이것은 디지털 스토리텔링에서 사용자의 활동(action)에 관한 부분으로 활동적인(active) 사용자의 참여를 말한다(이 연구에서는 상호작용성을 사용자가 매체에 활동을 통한 개입, 사용자 참여도로 조작적 정의를 내린다). 또한 모니터를 통한 글 읽기는 인쇄매체에 비해 가독성이 떨어지고 훑어보는 글읽기(scanning)가 이루어지기 때문에 내용을 이해하는 데 어려움이 따른다. 인터넷 매체의 특성을 살리면서 글에 대한 이해도를 높이기 위해 사용자의 참여도를 독립변인으로 글의 이해에 미치는 영향을 알아보고자 했다. 실험 1에서는 기존의 단편 추리 소설을 이용해 사용자의 글읽기 과정에서 범인추측의 정도에 차이를 주어 참여도에 변화를 주었다. 그 결과 사용자의 참여도에 따라 이해의 정도가 유의미함을 보였다. 이는 사용자의 참여도가 이해에 영향을 미친다는 기존 연구를 뒷받침하며 인터넷 소설에서 인터넷 매체의 특성을 살린 글의 기재가 글의 이해에 도움이 된다는 것을 말해준다. 실험 2에서는 실험 1과 같은 추리 소설을 이용하되 사용자의 참여도에 따라 소설 내용의 변화를 주었다. 실험 2의 결과 내용 변화에 따른 이해도의 차이는 나타나지 않았으나 자신이 선택하지 않은 경로로의 이야기 내용에 궁금증을 보고하며 글의 전체 내용에 관한 관심을 보였다. 이는 사용자의 참여가 글의 이해뿐만 아니라 흥미유발에도 영향을 미친다는 가능성을 보여주므로 상호작용적인 글읽기와 흥미유발에 관한 추후연구가 필요함을 시사한다. 이 연구는 또한 기존의 인터렉티브 스토리텔링 연구가 현 상황에 대한 보고와 구현된 시스템의 사용성 평가에 국한된 것에 반해 실험 연구로의 변화를 꾀하였다는 것에 의의를 둘 수 있다.