• 대한한방내과학회지
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• 제21권1호
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• pp.39-45
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• 2000

Object : SPECT which can visualize the distribution of CBF was operated to find the basic evidence by objective and scientific inspection on the fact that how the oriental medical treatment for stroke patients can effect CBF. Method : This study made 18 cases an object of research. These patients came to the Dongshin Univ. Oriental Medical Hospical within 5 days from the first attack, were diagnosed as stroke from Brain CT and MAl and were in the hospital for over 4 weeks at least. They were taken acupunture treatment, negative technique and herbal medication. And this study operated SPECT at the instance of admission and at the 4th week after admission 2 times and compared the change of CBF. Results : I operated SPECT on 18 CVA patients and got a result on the change of blood supplies in brain as follows; In the 2nd SPECT compared with 1st, out of the 1st and 2nd SPECT, there are 10 cases(55.6%) of increase and 8 cases (44.4%) of decrease. According to L/Cb11 evauation standard, the 1 st and the 2nd changes of blood supplies in SPECT shows decrese from $0.830{\pm}0.071$ to $0.801{\pm}0.067$. On the other hand, according to L/C standard shows a minute increase from $0.894{\pm}0.079$ to $0.895{\pm}0.091$. But there is nothing meaningful. I treated patients' group with risk factors and the other patients' group without risk factors and observed the changes of blood supplies respectively. And therefore Patients' group without risk factors shows an meaningful increase of blood supplies from $0.835{\pm}0.076$ to $0.796{\pm}0.069$ L/Cbll and also an increase from $0.921{\pm}0.029$ to $0.939{\pm}0.029$ by L/C. But this result by L/C is not significant. Conclusion : As mentioned above, I treated CVA patients through oriental medical therapies using SPECT and researched the changes of blood supplies in their brains. But I could' t get any meaningful result. However, I think only after solving some problems in this treatment and quantifing the changes of blood supplies, this results can be the standard of scientific examination about oriental medical treatments.

• 한국철도학회논문집
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• 제16권2호
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• pp.151-162
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• 2013

본 연구는 일제강점기의 우리나라 철도와 만주철도를 비교하였다. 양국철도는 공히 제국주의 철도라는 공통점을 가지고 있었지만 서로 다른 성격을 가지고 있었다. 첫째 만주철도는 정부주도하의 민간철도라는 성격을 가지고 있었다. 우리나라 철도는 철도수입위주였지만 만주철도는 철도이외에도 지역개발, 광산, 항만 운영 등 다양한 사업을 전개하였다. 두 번째 만주철도는 우리나라 철도에 비해 수익성이 좋았고, 화물위주의 수송이었다. 세 번째로 철도관료의 경우도 우리나라는 주로 정부 관료들이 임명되었지만 만주철도의 경우는 정당정치에 의한 정치가, 외교관 등 다양한 계층에서 임명되었다. 관동군으로 편입된 이후에는 군의 영향력이 컸다. 공통점으로는 제국주의 철도였기 때문에 정부정책 특히 시기적으로 철도는 군사적 목적에 활용되었다. 특히 만주철도의 경우 대륙에서의 전쟁수행이라는 면에서 직접적인 영향을 받았다고 할 수 있다. 향후 같은 시기의 일본 본토 그리고 대만과의 비교연구를 통해 동아시아 철도의 공통점과 차이점의 부각을 통해 우리나라 철도의 성격이 새롭게 조명될 수 있을 것으로 기대된다.

• 예술인문사회 융합 멀티미디어 논문지
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• 제8권7호
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• pp.485-496
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• 2018

본 논문에서는 스크린도어가 설치되어 있는 지하역사 승강장에서 화재가 발생시 승강장 환기실에 설치된 송풍기의 작동에 따른 연기거동을 실험적인 방법으로 측정하였다. 스크린도어가 닫힌 승강장에서 모의화재 발생시 승강장의 제연설비가 작동하지 않은 경우와 작동하는 경우에 제연 특성을 비교하였다. 화재연기를 모사하기 위하여 연기발생기에서 발생한 연기를 열풍기를 이용하여 가열하였다. 화재연기를 정량적으로 측정하기 위하여 연기농도계를 이용한 광투과도를 측정하였다. 스크린도어가 닫혀져있고 지하역사의 제연설비가 작동되지 않는 경우 승강장에 화재가 발생하면 연기가 승강장 내부에 축적되어 승객의 피난이 매우 어려우며, 매우 위험한 상황으로 연결될 수 있음을 확인할 수 있었다. 반면에 역사의 제연설비를 가동한 조건에서는 승강장 화재에 의해 발생한 연기가 역사의 제연설비를 통하여 외부로 빠져나가며, 대합실에서 승강장 방향으로 기류가 형성되어 승강장 승객이 대합실 방향으로 대피하는 것이 가능함을 확인할 수 있었다. 후속 논문에서는 승강장 인접부에 위치한 터널환기구를 통한 터널 제연의 병행효과에 대하여 다룰 예정이다.

• 가족자원경영과 정책
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• 제8권1호
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• pp.1-13
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• 2004

This study examined in detail the Japanese system of redressing consumers' losses and the overall consumer administrative system and compared them with the Korean counterpart to seek for a direction of reforming the systems. Several policy suggestions could be made as follows to activate the systems and improve the performances of the consumer administration in both Japan and Korea. First, in Japan, consumer center must be efficiently operated while private consumer groups, firms, consumer agencies and other organizations must actively join to actively redress consumers' losses and implement other consumer policies. Second, in Korea, regional consumer policies are weak so that they must learn Japanese well-developed regional consumer administration system by examining their current development, strengths, and weaknesses. Third, working conditions must be urgently improved, increasing the number of consumer counselors who are involved in consumer policies as well as to guarantee minimum level of their payment. On the other hand, the trend of hiring married and old employees being responsible for implementing consumer policies in Japan must be improved. Fourth, divisions of works in consumer policies among consumer groups as well as their specialization in Korea are necessary. Finally, as counseling of consumers through internet were not available in Japan, that type of counseling must introduce and become more popular in the future.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2011년도 정기총회 및 추계학술대회 논문집
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• pp.761-767
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• 2011

Since the "Low Carbon, Green Growth" as a social requirements is attracted public attention, the policies and investments of the railway which have been less estimated than road is re-considered. Since the starting the commercial service (2004. April), the KTX have been operated successfully while transport passengers over 100million for years. And also the project for development of KHST (Korea High Speed Train ; G7) had been accomplished with a good result, the first trainset of KTX-II which base on G7 project was manufactured and testing now. On the other hand, the world's technology of the high speed train is more faster, and changing to a distributed traction system. To catch up the world's leading technology, the HEMU(High-speed Electric Multiple Unit) project will secure new technology and aims to promote the technology of domestic high-speed train. The authors indicates the result of detail review such as a curve, slope of the track and electrical dead section of the catenary to test at 400kph and also the performance simulation of the developed rolling stock in this paper. As the result, the authors devise the test scenario to perform a maximum speed test (stability at max. speed, acceleration & deceleration etc) with the restricted conditions such as track length, track available time etc by considering above result.

• 한국전자파학회논문지
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• 제24권11호
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• pp.1047-1054
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• 2013

본 논문은 다중 대역 레이더 수신기의 소형화를 위한 이중 모드 주파수 혼합기를 구현하였다. 제안한 혼합기는 역병렬 다이오드(anti-parallel diode)를 이용하였고, 제어 전압 유무에 따라 기본파 혼합기 또는 부고조파 혼합기로 동작한다. 제어 전압을 인가하여 기본파 혼합기로 동작하는 경우, X-대역에서 -10 dB 변환 손실, 2.0 dBm P1dB 특성을 나타내었고, 제어 전압을 인가하지 않은 부고조파 혼합기로 동작하는 경우 K-대역에서 -10 dB 변환 손실, 2.0 dBm P1dB 특성을 나타내었다.

• 한국실내디자인학회논문집
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• 제25권1호
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• pp.142-150
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• 2016

This study examined the general housing awareness and awareness on house sharing of college students who are present residents as well as potential residents of shared houses. To achieve this purpose, structured questionnaires were used as a survey tool to understand students' awareness on housing and opinions on house sharing including a range of space sharing, preferences on house mates, and demands on services and facilities. The survey was conducted of college students in Busan, and the data were analyzed by the PASW Statistics 18.0 program. The findings of this study are as follows: 1) The housing awareness was categorized into seven factors by factor analysis. The subjects valued 'personality factor' in the housing awareness. 2) Regarding preference of house mate type, participants preferred a person who has similar lifestyle and in the same gender. 3) As for the space sharing, the subjects didn't want to share a bathroom and shower. Also, they preferred medium or large scale dormitory layout type to small sized apartment type. 4) The most positive aspect of house sharing was 'Reduction of rental and maintenance cost'. On the other hand, 'Difference of daily life pattern' was the most negative aspect of house sharing. 5) In case of services and community spaces, they preferred 'delivery storage service' and 'coin-operated laundry facility'.

• 한국디지털건축인테리어학회논문집
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• 제13권3호
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• pp.25-32
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• 2013

The elderly in South Korea in 2012 to 11.8% now aging fast-paced world, which is older than most countries. That is, as long as the elderly people lack the time to respond on the issue could cause many problems. According to the principle of social solidarity, long-term care insurance was introduced for the elderly since July 2008 and facility and sanction salaries were supported for the level 1 (the most serious illness) - level 3 (serious illness) elderly. On the other hand, in the fields of architecture, it is difficult to receive the contents of the unified related articles when the design and construction of the elderly welfare facilities take propel commissioned. This paper not only presents the elderly welfare facilities operated according to the institution and policy of elderly welfare facilities in terms of architecture, but also provides the criteria summarized by building facilities in the field of construction of elderly welfare facilities planning, planning, design is intended to provide basic information. This study addresses are as follows: First, the aging population of South Korea and welfare facilities for the elderly are addressed. Second, in terms of architecture, the institution and policy of elderly welfare facilities in South Korea, are addressed. Third, the construction criteria of elderly welfare facilities is summarized to help architectural practitioners understand. Fourth, the future direction of the architectural design of welfare facilities for the elderly is presented.

• 대한토목학회논문집
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• 제8권1호
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• pp.69-75
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• 1988

활성 슬러지 하수처리장의 주요 Process Control Variables인 Sludge age와 Sludge recycle올 고려하여 폐슬러지의 유량 ($Q_w$)을 효과적으로 결정하기 위한 두가지의 식이 개발되었다. 아울러 반송 슬러지의 일부를 폐슬러지로 배출할 경우에는 우선 순환비 (R)를, 포기조내의 활성슬러지의 일부를 폐슬러지로 배출할 경우에는 2차침전지의 슬러지 침전효율($S_f$)을 정확히 측정하여 개발된 식을 이용하면 폐슬러지의 유량을 용이하게 산정할 수 있다는 사실이 Sensitivity analysis의 결과로 밝혀졌다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제7권4호
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• pp.834-848
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• 2013

To effectively use these functions many kinds of human-phone interface are used such as touch, voice, and gesture. However, the most important touch interface cannot be used in case of hand disabled person or busy both hands. Although eye tracking is a superb human-computer interface method, it has not been applied to smartphones because of the small screen size, the frequently changing geometric position between the user's face and phone screen, and the low resolution of the frontal cameras. In this paper, a new eye tracking method is proposed to act as a smartphone user interface. To maximize eye image resolution, a zoom lens and three infrared LEDs are adopted. Our proposed method has following novelties. Firstly, appropriate camera specification and image resolution are analyzed in order to smartphone based gaze tracking method. Secondly, facial movement is allowable in case of one eye region is included in image. Thirdly, the proposed method can be operated in case of both landscape and portrait screen modes. Fourthly, only two LED reflective positions are used in order to calculate gaze position on the basis of 2D geometric relation between reflective rectangle and screen. Fifthly, a prototype mock-up design module is made in order to confirm feasibility for applying to actual smart-phone. Experimental results showed that the gaze estimation error was about 31 pixels at a screen resolution of $480{\times}800$ and the average hit ratio of a $5{\times}4$ icon grid was 94.6%.