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정의선 이화여자대학교 교육대학원 2000 이화교육논총 Vol.11 No.-
본 연구는 구어(口語)적 이해력, 연속적인 기억력, 자기 통제력에 결함이 있는 자폐아동에게 연속적인 사진 단서(sequential photographic cues) 사용 방법을 중재함으로써 컴퓨터 사용 기술(computer literacy)의 하나인 컴퓨터 시작 및 종료하기 기술을 습득시켰다. 연구 대상은 일반 초등학교 시간제 특수학급에 입급되어 있는 저학년 자폐아동 3명이며 연구방법은 단일 대상 연구의 대상자간 중다간헐기초선 설계(multiple probe design across subjects)를 사용하였다. 연구의 기초선, 일반화, 유지 1 단계에서는 연구자의 중재 없이 사진 단서만을 제공하였으며 중재 단계에서는 연구자가 최소 촉진 전략을 사용하여 대상 아동에게 연속적인 사진 단서 사용 방법을 습득시키고 잘못된 반응을 교정하였다.또한 마지막으로 사진 단서를 소거한 조건에서 유지 2 검사를 실시하였다. 그 결과 연속적인 사진 단서 사용 중재는 자폐아동의 컴퓨터 시작하기 및 종료하기 기술을 습득, 일반화, 유지시켰으며 중재의 효과는 사진 단서를 완전히 소거한 조건에서도 유지되었다. 그러나 대상 아동 3은 컴퓨터 종료하기 기술을 수행 할 때에는 연속적인 사진 단서를 소거한 조건에서는 중재의 효과가 유지되지 못했다. 이러한 연구 결과는 연속적인 사진 단서 사용이 자폐아동의 연속적인 기억을 보조하는 중요한 단서임을 뒷받침하여 주고 있다. There have been growing concerns with computer education in our society for the past decade, following the recognition of the importance of computers as an essential means of getting information and of communication both in our everyday lives and in work places. These concerns and developments are equally applicable to the education of autistic children for whom the ultimate aim is community integration. However, computer education for autistic children also needs to consider their specific memory characteristics as well as their chronological age and their computer literacy level. Based on an experimental study, this dissertation explores whether sequential photographic cues might be an effective way to make autistic children perform the basic computer skills independently in an integrated classroom environment. Focusing on the task of logging on and off computers to use CD-ROMs, this study also discusses whether these skills generalises to other environments and other CD-ROMS, and whether the children could perform the same task successfully in delayed follow-up tests. we can conclude that sequential photographic cues used in structured instruction are an effective way of enabling autistic children to perform tasks independently.
SLS ( Sodium Lauryl Sulfate ) 가 Microcosm 내의 개체군 동태에 미치는 영향
위인선(In Sun Wui),이종빈(Jong Bin Lee),수등융일,도삼유평,조경(Kyung Cho),나명석(Myung Suk Ra),위성욱(Seong Uk Wui) 한국환경생물학회 1998 환경생물 : 환경생물학회지 Vol.16 No.3
We investigated each individual movement in the microcosm when synthetic detergent, SLS (sodium lauryl sulfate), was inflowed in the system. The microcosm is one of a small model ecosystem containing biotic species which selected from natural aquatic ecosystem and maintaining as culture system under controlled condition. As a result of inflowing SLS in the system 14 days after subculture (stabilizing stage), individuals of producer Chlorella vulgaris and decomposer Pseudomonas putida were stable at 10.0㎎/ℓ SLS. But, consumer Cyclidium glaucoma was begun to affect at 2.5 ㎎/ℓ SLS and this individual was disappeared in the system at 5.0 ㎎/ℓ SLS. This study was purposed for suggestion to one of environmental assessment method by using model system as investigation of individual movement in the microcosm after treating detergent, one of a aquatic pollutant.
영산강의 (榮山江) 저생동물에 (底生動物) 의한 생물학적 수질판정 (水質判定)
위인선 ( In Sun Wui ) 한국하천호수학회 1974 생태와 환경 Vol.7 No.3·4
1. The present work is to make a biological estimation of water pollution levels on the Benthos fauna of the Yeong-san River including its upper stream, the Go-su, the Hwang-yong, the Ji-suk and the Gwang-ju. Examinations were carried out three times; that is October 27, ` 72, May 27, ` 73, June 2, ` 73. The determination of degree of water quality was based upon macroscopic organisms. 2. The main source of water pollution in the Yeong-san River are thought to be urban sewage, the foul water from Hwa-sun coal mine, and reckless graval pickijg from the rever side. 3. A general survey of water pollution in estuary upper stream of Yeong-san River can be classified as follows; A. Non-polluted water basin. B. Polluted water basin by the foul water from coal mine. C. Polluted water basin by urban sewage. The map or water pollution level is prepared by a biological estimation on water in the three water basins. 4. The upper part of the Hwang-yong and Go-su brook is handicapped for living things to exist dueto reckless graval picking. This means that the increase of micro-organism is hinder, consequently the process of natural clarificction of polluted water is slowed down. 5. Viewed from the life from of benthic fauna in Yeong-san River, the aquatic insects living in clear water are plentiful in the upper part of the rever, but they are much fewer in species in the Gwang-ju brook which is corrupted by the drainage and chiefly tolerant Bae¨tis thermicus and polysaprobic benthic fauna which is Tubifex sp., Hepobdella lineata are found there as main living things.
홍억선(Uk-Sun Hong),홍성위(Sung-Wui Hong),이진국(Jin-Kook Lee),채승민(Seung-Min Chae) 한국철도학회 2014 한국철도학회 학술발표대회논문집 Vol.2014 No.10
8200호대 전기 기관차의 컨버터/인버터 스택은 GTO 반도체 소자를 사용한다. 이들 전력 반도체 소자들은 많은 열이 발생하므로, 효율적인 냉각을 위하여 수냉각장치가 있다. 현재 개발 중인 스택은 GTO 소자 대신 IGBT 소자를 사용한다. IGBT용 수냉각장치는 기존 차량의 수냉식 구조와 호환성을 갖도록 개발한다. 크기는 기존 스택의 크기 범위 안에서 정한다. 냉각수의 수압, 유량의 조건은 기존 차량과 동일하다. GTO 소자와 IGBT 소자의 특성이 다르기 때문에 IGBT용 수냉각장치의 외형 및 내부 유로의 구조는 새롭게 설계했다. IGBT 케이스의 최대 온도를 80℃이하가 되도록 냉각 효율을 높였다. 실용화를 목적으로 개발하며 제작 공정을 단순화하고 유지 보수가 용이한 구조로 개발했다. The converter and inverter stacks in 8200 series electric locomotive use GTO semiconductors. Since these high power semiconductors generate a high temperature, there exists the water cooling system for efficient cooling. We use IGBT instead of GTO for new development, which will be compatible with the existing system. The size of the new stacks will be within the original size. Pressure and quantity of water flow will be in the same condition of the original. Because IGBT and GTO have different specifications, we designed new outward appearance and inward waterway. The maximum temperature of IGBT case was under 80℃ as improving the efficiency. Also, We simplified manufacturing process and made the system easy for maintenances for practical uses.
유승위(Seung-Wui Yu),양인동(In-Dong Yang),조성희(Sung-Hee Cho),박순달(Sun-Dal Park),김동철(Dong-Chul Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
Value Engineering(VE) is process that improve its value by confirming and evaluating the function of certain product or project. According to relevant construction law, we have to held VE at least 1 time in step of design over working expenses 10 billion wons, but railroad electricity field is no legal duty. However, we started from 2007 for cost reduction and customer satisfaction, design examination etc.. Therefore, KR wish to argue about progress method and results of design VE for electrical field of railway system.