• 대한전기학회:학술대회논문집
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• 대한전기학회 2007년도 추계학술대회 논문집 전력기술부문
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• pp.109-111
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• 2007

전력거래소(KPX)는 전국에 산재된 발 변전소로부터 2초 혹은 4초 주기로 계통운영에 필요한 아날로그, 디지털 데이터를 실시간으로 취득하고 있다. 이렇게 취득한 데이터는 EMS 전력계통 감시 및 제어를 위한 각종 화면, 자동발전제어/경제급전(AGC/ED), 상태추정(SE), 상정고장해석(CA)등 실시간 계통운영과 조류계산(PF), 고장계산(SCT), STNET(PF, CA), 상정고장해석 등 검토모드로 급전소 휴전업무 검토에 활용되고 있다. 또한 EMS에서 취득한 실시간 데이터를 MOS(시장 운영시스템)로 보내어 상태추정을 추행하고 이 값을 기반으로 발전기별 경제적인 출력 값인 FMD(5분 급전지시)를 EMS로 보내어 EMS의 주요기능인 AGC(자동발전제어)로 경제적이고 안정된 출력 조정을 하고 있다. 이러한 이유로 EMS 및 MOS의 상태추정 견과의 정확도와 실행 안정성은 매우 중요하다고 하겠다. 본고에서는 EMS 계통해석기능 검증 결과와 향후 데이터 정확도 개선은 위한 과정의 일환으로 EMS의 상태추정과 MOS의 상태추정의 상호비교 결과를 소개하고자 한다.

• 대한수의학회지
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• 제38권2호
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• pp.353-358
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• 1998

A mysterious disease with vesicle-like nodules in dairy cattle udder has been drawn attention to the foreign animal disease expert at the National Veterinary Research Institute. Immediately dispatched foreign animal disease expert, pathologist and regional veterinary officials executed quarantine nearby affected farm area to prevent transmission of the pathogen which was possibly contagious vesicular disease agents in domestic animals such as FMD or SVD. Proper samples were collected for the laboratory examination. Vesicle-like lesions were only detected in lactating dairy cattle and no distinct clinical signs have been observed in affected animals. Parapox and papillomavirus particles have been demonstrated on electromicroscopical examination from nodular samples of udder lesions of the dairy cattle. Characteristic papilloma virus particles with 55nm in diameter and parapoxvirus with 150nm in diameter and 350nm long oval shape particles were detected and confirmed by embryonated chicken egg inoculation.

• 한국유기농업학회지
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• 제19권4호
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• pp.435-461
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• 2011

This study was conducted field surveys and theoretical discussion whether small farmers thinks there are economics of scope in small organically grown cropslivestock farming cycling system. The discussions are summarized as follows. At the end of October 2011, the cycling agriculture farms are only a total of 15 farmers, 0.1% of total organic farms in Korea. The FMD disease, FTA, family farm structure, the importance of animal health and welfare, agricultural cycles, when considering the valuation of the multifunctionality, alternative agriculture is small farming cycling system. Organic agriculture is a 'cooperation-cycling-family farm' in the interaction it is important to understand. The two groups were surveyed. Group 1 is 6 farmers who practicing cycling farming system, and Group 2 is the 33 farmers who wish to cycling farming system. Interview survey and the survey results was obtained as follows. First, We find that there are strong economies of scope, due to a decreased costs have increased net profit. Second, the multifunctional values is realized also cycling farming system. Third, but some certification standards leads to high transaction cost. Thus, a small family farm who wishing to target organic livestock certification standards need to improve.

• 기본간호학회지
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• 제20권3호
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• pp.248-258
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• 2013

Purpose: The purpose of this study was to compare the associations of body mass index (BMI) and waist circumference (WC) with coronary artery diseases (CAD) in women patients with chest pain. Method: BMI, WC, and flow-mediated vasodilation (FMD) were measured for 162 women patients with chest pain whose mean age was $54.9{\pm}9.2$ years. CAD was diagnosed by coronary angiography. Results: In comparing BMI and WC, WC was found to be more strongly associated with cardiovascular risk factors. For example, correlations with the high density lipoprotein cholesterol were r=-.266, p=.001 (WC) vs. r=-.131, p=.104 (BMI), and for homocystein, r=.378, p<.001 (WC) vs. r=.150, p=.068 (BMI). Obstructive CAD develops more frequently in women patients with abdominal obesity than in patients without abdominal obesity. Conclusion: The results of the study indicate that WC is a better index of adiposity than BMI.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1990년도 한국자동제어학술회의논문집(국내학술편); KOEX, Seoul; 26-27 Oct. 1990
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• pp.218-224
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• 1990

A motor group control system is developed for continuous manufacturing processes such as rolling process or electrolytic tinning process. The control system consists of four subsystems ; Multi-Function Controller (MFC), Flexible Motor Drive (FMD), Bulky Input/Output (BIO), Graphic Console and Simulator (GCS). A graphic control language, called Function Block Language, is used to configure the control algorithms for each subsystem. All subsystem are linked together thru a field bus to communicate data with each other.

• 한국광학회지
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• 제12권2호
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• pp.71-76
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• 2001

자연의 법칙이 보장해 주는 완벽한 보안이 가능한 양자암호화 통신을 위해서는 아주 약한 빛을 사용해 한 펄스에서 두 개 이상의 광자가 발견될 확률을 아주 작게 해야한다. 그러나 잡음과 검출기의 양자효율 등을 고려하면 현실적으로는 실험적 상황에서 발생되는 신호왜곡과 도청에 의한 신호왜곡을 구별해 낼수 있는 조건을 찾아내야 한다. 검출기에 걸어주는 전압의 크기와 신호검출시의 문턱전압을 변화시켜가며 여러 세기의 빛에 대한 양자암호화 키 전송가능성을 실험적으로 확인하였다. 암호화 키전송 방식은 잘 알려진 두 가지 선형편광과 두가지 원형편광 상태를 이용한 4-state 암호화 키 전송방식을 사용하였다.

• 대한수의학회지
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• 제59권2호
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• pp.101-104
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• 2019

This study examined the disinfection conditions (exposure time, 0-30 min; exposure temperature, $4^{\circ}C-65^{\circ}C$) of hypochlorous acid water (HOCl) in automobile disinfection equipment. The study tested poliovirus type 1 (PV1), low pathogenic avian influenza virus (AIV, H9N2), and foot and mouth disease virus (FMDV, O type). As a result, the PV1 and FMD viruses were inactivated easily (virus titer 4 log value) by HOCl (> 100 ppm) but the AIV required higher exposure temperatures (> $55^{\circ}C$). In conclusion, the exposure temperature and time are important factors in deactivating AIV and FMDV.

• 한국동물위생학회지
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• 제43권4호
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• pp.267-271
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• 2020

The emergence of highly contagious viral diseases of livestock and poultry such as foot-and-mouth disease (FMD), African swine fever (ASF) and highly pathogenic influenza (HPAI) have necessitated the formulation of policies and regulatory frameworks for preventing ingress of exotic diseases and controlling dissemination of endemic diseases within the country. The disease control ratings to manage contagious livestock disease in farms have not being widely used because the evaluation parameters were not being considered inappropriate. The purpose of this study was to reinforce the validity of the parameters for evaluation factors and the objectivity of the scoring criteria in the application of the current disease management rating system. The diseases subject to intensive management were improved by reflecting farm situation. For the evaluation based on the disease grading system of farms, the diseases subject to intensive management were realized, the list of diseases for evaluating the vaccination rate was revised, and the quarantine and sanitation management standards were revised. The effectiveness of the improved livestock disease management system was confirmed through the application of actual pig farms. Therefore, this system will be used as a means to evaluation the biosecurity at the farm units. Through this, it will contribute to establish effective biosecurity measures for each farm by improving and supplementing the present disease grading system.

• IMMUNE NETWORK
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• 제9권6호
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• pp.265-273
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• 2009

Foot-and-mouth disease virus (FMDV) is a small single-stranded RNA virus which belongs to the family Picornaviridae, genus Apthovirus. It is a principal cause of FMD which is highly contagious in livestock. In a wild type virus infection, infected animals usually elicit antibodies against structural and non-structural protein of FMDV. A structural protein, VP1, is involved in neutralization of virus particle, and has both B and T cell epitopes. A RNA-dependent RNA polymerase, 3D, is highly conserved among other serotypes and strongly immunogenic, therefore, we selected VP1 and 3D as vaccine targets. VP1 and 3D genes were codon-optimized to enhance protein expression level and cloned into mammalian expression vector. To produce recombinant protein, VP1 and 3D genes were also cloned into pET vector. The VP1 and 3D DNA or proteins were co-immunized into 5 weeks old BALB/C mice. Antigen-specific serum antibody (Ab) responses were detected by Ab ELISA. Cellular immune response against VP1 and 3D was confirmed by ELISpot assay. The results showed that all DNA- and protein-immunized groups induced cellular immune responses, suggesting that both DNA and recombinant protein vaccine administration efficiently induced Ag-specific humoral and cellular immune responses.

• 한국멀티미디어학회논문지
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• 제10권8호
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• pp.997-1003
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• 2007

H.264/AVC는 프레임 간 움직임 추정에서 새로운 인트라 모드(intra mode)와 인터 모드(inter mode) 방식을 도입하여 프레임 간 압축률을 높이고 있다. 이들 두 모드들은 가변 크기 블록 모드를 사용하고 있으며 H.264 인코더는 이들 새로운 예측 모드들을 사용하여 이전 표준안들에 비해 뛰어난 압축률과 유연성을 제공해 준다. 그러나 압축률과 유연성에서 이득을 보는 대신, 이들 두 예측으로 인해 복잡도가 증가하고 부호화 시간을 많이 요구하게 되었다. 본 논문에서는 결과 인트라 모드, 움직임 벡터와 모드 맵의 지역 통계를 사용하여 인터 모드를 예측하는 기법을 제안한다. 인트라와 인터 모드는 선택되는 블록 크기에서 연관성을 보이고 있으며, 영상 내용의 stationary에 따라 주변 매크로 블록의 결과 모드와 움직임 벡터를 이용하여 매크로 블록의 인터 모드를 예측할 수 있다. 본 논문의 결과에서는 다양한 비트율과 여덟 개의 영상 열에서 FMD와 비교하여 PSNR과 비트 율에서 거의 비슷하면서 평균 39.43%의 부호화 시간을 감소시키는 것을 보여 주고 있다.