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배재형 ( Jae Hyung Bae ),조상래 ( Seong Eun Kim ),정은희 ( Sang Rae Jo ),장은희 ( Eun Hui Jeong ),김성은 ( Eun Hui Jang ),권희녕 ( Hui Nyeong Kwon ),박동엽 ( Dong Yeop Park ),이국천 ( Kuk Cheon Lee ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.2
Bovine brucellosis, an important zoonosis, is diagnosed with serological tests such as the RBT, TAT using inactivated whole bacterial cells or bacterial lipopolysaccharide (LPS) antigen in Korea. However, a strong cross-reaction between Brucella spp. and Yersinia enterocolitica O9 in these tests has seriously complicated the diagnosis of animal brucellosis because Brucella spp. shares common antigenic determinants with Y. enterocolitica O9 in the smooth LPS region. In this study, Brucella-field strains were isolated from Brucellapositive Hanwoo in Kimhae, Korea and outer membrane protein (omp) which has low cross-reaction with Y. enterocolitica O9 and high immunogenicity was extracted from the field strains Then we compared ELISA using the extract with RBT-TAT. Fifteen field strains were isolated from 47 supramammary-lymph nodes, which were collected from 18 farms. Isolation rate was 32%. Brucella-specific antigen was identified by performing SDS-PAGE or Western blotting on extracted omp with at 0.5% n-lauroylsarcosine One hundred and ninety-two serum-samples were used in the experiment: 142 negative and 50 positive samples verified by RBT-TAT. According to ELISA results, 127 samples were negative and 15 appeared positive among 142 negatives by RBT-TAT, while 42 samples were positive and 8 were negative among 50 positives by RBT-TAT. Therefore, it showed 89.4% of specificity and 84% of sensi-tivity. Through the current experiments, we could set up an ELISA based on the omp which has low cross-reaction and high immunogenicity and concluded that the omp could be a good material for accurate diagnosis of bovine brucellosis.
정은희 (Eun-Hee Jeong),이병관 (Byung-Kwan Lee),안희학 (Hui-Hak Ahn) 한국정보전자통신기술학회 2015 한국정보전자통신기술학회논문지 Vol.8 No.6
본 논문에서는 스마트 그리드 환경에서 에너지 도둑을 역추적 할 수 있는 로깅과 마킹 기반 에너지 도둑 역추적(Energy Theft Traceback Protocol) 프로토콜을 제안한다. 제안하는 ETTP는 첫째, 에너지 도둑 트리를 생성하여 측정거부와 데이터위조로 구분하였고, 둘째, 에너지 도둑 트리를 이용하여 에너지 도둑을 탐지하고, 셋째 라우터의 Logging Table과 패킷의 Marking 정보를 이용하여 에너지 도둑을 역추적한다. ETTP의 모의 실험결과, 에너지 도둑 탐지율은 92%이고, 에너지도둑 역추적 성공률은 93%로 평가되었다. 따라서 ETTP는 스마트 그리드에 활용하여 과금 정보의 위변조 등의 위험요소를 줄일 수 있을 뿐만 아니라 안전하고 신뢰성이 높은 스마트 그리드 환경을 제공할 수 있다. This paper proposes an Energy Theft Traceback Protocol(ETTP) based on Logging and Marking that can trace Energy Theft back in Smart Grid Environment. The ETTP consists of the following three phases. First, it classifies Energy Theft Type into Measurement Rejection and Data Fabrication by generating an Energy Theft Tree. Second, it detects an Energy Theft by using the Energy Theft Tree. Finally, it trace an Energy Theft back by using the Logging Table of a Router and the Marking Information of a Packet. The result of its simulation shows that the Detection Ratio of Energy Theft is estimated at 92% and the Success Ratio of Energy Theft Traceback at 93%. Therefore, the ETTP not only reduces such risk factors as Forgery and Tampering about Billing information but also provides safe and reliable Smart Grid environment.
구두 굽의 형태가 인체의 근골격계에 미치는 영향에 관한 연구
이창민,정은희,Lee, Chang-Min,Jeong, Eun-Hui 대한인간공학회 2004 大韓人間工學會誌 Vol.23 No.1
In terms of women engaged in clerical job. working time of the workers who mainly keep standing with their high-heeled shoes on has been increasing. According]y. they are exposed to many kinds of foot deformation caused by loads of lower back and lower extremities due to high-heeled shoes. The type of heels they usually wear are diverse though the hight is same. In this study. we investigated most women's favorite styles of shoes concerned with heights. types and contact areas of the heels. Hence. we designed three kinds of shoes for an experiment: their contact areas with ground are 1 cm2. 2-4 cm2 and over 9 cm2 according to the heel heights. respectively. To investigate the biomechanical effects. analysis of motion and EMG were applied to the experiments. In addition. foot pressure distribution was measured for more detailed analysis. Six healthy young women were participated in this experiments. The result showed the heel becoming higher and narrower increased not only fluctuation of CBM(Center of Body Mass). but also the load of low back muscle and lower extremities. Accordingly. there was significant difference among types of the heel in terms of the role supporting load of the body. though the height is same. Especially. the difference among the pressures on a foot was most significant. In conclusion. we verified biomechanical effects are related with the contact area of a heel with ground as well as the hight.
수도권 지역 대기 중 카보닐화합물의 시ㆍ공간적 농도 분포 특성
서영교(Young-Kyo Seo),정은희(Eun-Hui Jeong),서석준(Seok-Jun Seo),황윤정(Yun-Jeong Hwang),한진석(Jin-Seok Han),백성옥(Sung-Ok Baek) 한국대기환경학회 2008 한국대기환경학회지 Vol.24 No.2
The purpose of this study is to evaluate concentrations of carbonyl compounds during summer season in Seoul metropolitan area. The air samples were collected at 7 sites in this area from June 2001 to June 2003. The carbonyl compounds were analyzed by DNPH/HPLC method. The analytical method applied in this study showed good repeatability, linearity, and sensitivity. The most abundant carbonyl was formaldehyde (average 4.48 ppb), and followed by acetone, acetaldehyde, methyl ethyl ketone, butyraldehyde, propionaldehyde and benzaldehyde, respectively. Concentrations of carbonyl compounds in June were higher than those in August. There was not only higher solar radiation but also higher ozone concentration in June than in August. As a result of photochemical reactions, carbonyl compounds from both primary and secondary sources are likely to contribute to the formation of ozone. The contributions to photochemical ozone creation of two carbonyl compounds such as formaldehyde and acetaldehyde were estimated to be about 70%. Ratios of formaldehyde to acetaldehyde in this study ranged from 1.13 to 4.26, which are generally equivalent levels to those of other urban areas in domestic and foreign countries.
1996-2002년 서울 지역 입원 환아에서의 급성 바이러스성 하기도염의 역학 조사
박화영 ( Park Hwa Yeong ),이남용 ( Lee Nam Yong ),이주석 ( Lee Ju Seog ),정은희 ( Jeong Eun Hui ),이승주 ( Lee Seung Ju ),안강모 ( An Gang Mo ),이상일 ( Lee Sang Il ) 대한소아알레르기호흡기학회(구 대한소아알레르기 및 호흡기학회) 2003 소아알레르기 및 호흡기학회지 Vol.13 No.4
목적: 급성 하기도염은 소아 특히 영유아에서 흔한 질환 중의 하나로, 원인으로는 세균, 마이코플라즈마 및 바이러스 등이 있으며, 이 중 바이러스가 차지하는 비율이 높다. 본 연구에서는 대표적인 호흡기 바이러스인 아데노바이러스, respiratory syncytial(RS) 바이러스, 인플루엔자 바이러스 A, B형, 파라인플루엔자 바이러스 1, 2, 3형의 빈도와 각 바이러스별 임상양상을 조사하여 소아에서 급성 바이러스성 하기도염에 대한 신속한 진단 및 Purpose : Acute lower respiratory tract infections (ALRI) are one of the most common causes of morbidity in children. Most infections are known to be caused by virus and bacteria, greater percentage caused by virus than bacteria. This study was aimed to d