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주유연 ( You-yeon Joo ),백윤흥 ( Yun-heung Paek ) 한국정보처리학회 2022 한국정보처리학회 학술대회논문집 Vol.29 No.2
딥러닝 원격 컴퓨팅 서비스(Deep Learning as a Service, DLaaS)가 널리 활용되면서 클라우드에서의 개인 정보 보호에 대한 우려가 커졌다. 신뢰실행환경(Trusted Execution Environment, TEE)는 운영체제의 접근까지 차단한 메인 프로세서의 보안 영역으로 DLaaS 환경에서의 개인 정보 보호 기법으로 채택되고 있다. 사용자의 데이터를 보호하면서 고성능 클라우드 환경을 활용하기 위해 신뢰실행환경을 활용한 딥러닝 모델 추론 연구들을 살펴보고자 한다.
주유연,조상원,오광중,손병현 부산대학교 환경문제연구소 1994 環境硏究報 Vol.12 No.-
It appeared over all regions expect common life area that the pollutants level of soil heavy metals in Pusan and kyoung-Nam Province, was higher than the standard on in agriculture area. Especially, Atmosphere and waste area appeared much high and it necessitates monitoring these areas continually. Where we analyzed pollutants level of heavy metals in paddy soils in correspondence with Pusan, Ulsan, and Yangsan region, the order of Pb and Cd concentration were Yangsan 〉 Pusan 〉 Ulsan, the order of Cu and Zn were Yangsan 〉 Ulsan 〉 Pusan, the order of Hg and As were Ulsan 〉 Yangsan 〉 Pusan respectively. It appeared the whole concentration of heavy metals expect Hg and As were the highest ones in Yangsan. So, it was thought that special management should be needed. The analysis of correlation between heavy metals in soil showed that the correlation level between Cd and Pb, Cu and Pb and Zn, Hg and As was high in agricultural area and the correlation level between Zn and Pb, Cd and Hg, Cd and Cu was high but the one between Cd and As was low in atmosphere area. And the correlation between Pb and Cd, Hg and Zn, Hg and Cu was high but the one between Hg and Cu was low in waste area and the correlation level between As and Pb, As and Zn was slightly high but the one between Cd and Cu is low in water area.
발달장애인의 도전적 행동(Challenging Behavior) 완화를 위한 작업치료 중재에 대한 체계적 고찰
주유미,강수라,고기훈,지석연,유제광 대한작업치료학회 2023 대한작업치료학회지 Vol.31 No.3
Objective: This study aimed to find the effects of occupational therapy (OT) as a way to alleviate challenging behaviors for persons with developmental disabilities. Methods: Literature published from January 2000 to July 2022 was searched in Pubmed, CINAHL, ERIC, Cochrane Library, EMBASE, and RISS. The search terms were “Behavioral disturbance” OR “Problem behavior” OR “Maladaptive behavior” OR “Aberrant behavior” OR “Behavioral abnormalities” OR “Challenging behavior” AND “Occupational therapy” AND “Developmental disability” OR “Autism” OR “Intellectual disability.” Both Korean and English were used. The searched literature was systematically analyzed according to the PICO format. Results: A total of 14 papers were selected for review. Sensory therapy, play therapy, and therapeutic mediation therapy approaches were shown to be effective in alleviating challenging behaviors, but demonstrated no improvements in other functions. A cognitive learning approach and a positive behavior support approach were effective in alleviating challenging behaviors and improving the school performance. In addition, parental education was effective in alleviating the challenging behaviors in children, although there was a limit in extending the therapeutic effects on improving their daily life functions. Conclusions: It was found that various OT approaches have been used to mediate challenging behaviors. Future research should highlight the generalized effects in daily life and school performance rather than emphasizing only the mitigation of challenging behaviors.
이우귀연(Ugwiyeon Lee),주유경(Yukyung Joo),이진한(Jinhan Lee) 한국가스학회 2018 한국가스학회지 Vol.22 No.4
도시가스 공급이 어려운 지역에 낮은 가격에 가스를 공급하기 위해 대한민국 정부는 20114년부터 LP가스 배관망사업을 추진하였다. LP가스 배관망은 일반 도시가스 배관망과는 다르게 준저압(25kPa~75kPa)로 운용되고 있다. 이는 도시가스의 운용압력보다 최소 10배에서 최대 40배 높은 압력이므로, 타공사 등에 의한 배관 파손 시 대형사고로 이어질 가능성이 높다. 이러한 위험성을 줄이기 위해, 한국가스안전공사 가스안전연구원은 2018년 매몰배관용 과류차단밸브와 이를 시험할 수 있는 성능시험 평가 장치를 개발 완료 하였다. 과류차단밸브는 배관 내 과류가 발생하면 자동적으로 닫히면서 가스공급을 순간적으로 차단한다. 과류차단밸브는 일반적으로 주 배관이 아닌 분기배관 최 전단에 설치되며, 분기배관과 연결된 세대나 시설의 최대 가스사용량에 따라 과류차단밸브가 차단되는 기준점인 Trip Flow가 결정된다. Trip Flow는 과류차단밸브 설치의 핵심 기준이며, 이를 시험하기 위한 성능시험 설비도 필수적으로 요구된다. The Korean Government has proceeded petroleum gas pipeline construction business since 2014 for rural districts. The operating pressure of petroleum gas pipeline are from 25kPa to 75kPa which are different from that of natural gas pipeline. Petroleum gas pipeline pressure is ten or forty times higher than natural gas operating pressure. For this reason, petroleum gas pipeline has higher probability of accident occurrence from massive gas leakage. Korea Gas Safety Corporation begins to development excess flow valves and their performance testing equipment since 2017. The excess flow valves stop the gas flow when a overflow happened in gas pipeline. The excess flow valves are generally not installed in main pipeline, because that may block massive gas supply. So, the valves are installed in starting points of branch pipes. According to the number of house and amount of gas use, a shut-off point of exxcess flow valve is determined called as Trip Flow. The trip point is the most important thing of excess flow valve, so, it is required a equipment testing the performances of excess flow valve as trip point.