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분산 처리 환경에서의 신뢰성 있는 원격 처리 요청 시스템의 구현
한우용(Han Woo Yong),김경범(Kim Kyeong Beom),김명준(Kim Myungjoon) 한국정보과학회 1996 한국정보과학회 학술발표논문집 Vol.23 No.2B
본 논문에서는 기존의 분산 처리 시스템의 하부 구조인 원격 처리 호출 시스템의 자원 낭비 요소를 없앤 새로운 구조의 신뢰성 있는 원격 처리 요청 시스템의 구현에 관한 내용을 기술하고 있다. 기존의 원격 처리 호출 시스템을 기반으로 하는 분산 처리 시스템에서는 서버 응용들이 서버 머신에서 늘 동작하고 있어야 함으로써 이로 인해 업무를 수행하지 않으면서 서버 머신의 자원을 낭비하고 있는 문제점을 안고 있다. 이를 해결하기 위하여 고객 응용으로부터 서비스 요청이 왔을 때만 해당 서버 응용을 invoke하는 새로운 구조의 원격 호출 시스템을 구현하였다.
결구상추 균핵병균(Sclerotinia sclerotioum)에 대한 길항세균의 분리 및 동정
김한우,이광렬,백정우,김현주,박종영,이진우,정순재,문병주,Kim, Han-Woo,Lee, Kwang-Youll,Baek, Jung-Woo,Kim, Hyun-Ju,Park, Jong-Young,Lee, Jin-Woo,Jung, Soon-Je,Moon, Byung-Ju 한국식물병리학회 2004 식물병연구 Vol.10 No.4
결구상추에 심각한 피해를 일으키는 균핵병의 생물학적 방제를 위한 기초연구로서 균핵병원균 S. sclerotioum YR-1 대한 우수 길항세균을 선발하고 동정하였다. 건전 결구상추에서 분리한 세균들 중 균핵병원균의 균사생육저지 효과가 큰 10 균주를 길항세균으로 1차 선발하고 이들 일차 길항세균에 의한 방제효과를 생육실내 포트검정한 결과, A-2, A-7 및 RH-4 균주의 방제가가 각각 73.0%, 85.0%, 80.0%이었으며, 이 중 가장 높은 방제가를 보인 A-7 균주를 우수 길항균으로 최종선발하였다. A-7 균주의 생화학적 특성 및 16S rDNA와 gyrA 염기서열을 분석한 결과 Bacillus amyloliquefaciens로 동정되었으며, B. amyloliquefaciens A-7으로 명명하였다. The fungus genus Sclerotinia contains a number of important plant pathogens. Vegetable growers in our country are probably most familiar with Sclerotinia sclerotiorum, the causes of sclerotinia rot on crisphead lettuce. S. sclerotiorum has a wide host range which can include lettuce as well as crops such as broccoli, cabbage, carrots, celery, beans, peppers, potatoes, stocks, and tomato. Some fungicides, including benomyl, are effective in some crops, but not all. So, we isolated a antagonistic bacteria that are active on sclerotinia rot caused by S. sclerotiorum and that can be used to control it. About 702 strains had been isolated from soil around plant roots in the field. Ten strains showed strong antifungal activity against S. sclerotiorum. In pot test for antagonistic activity, A-7 strain showed high control value against the pathogen when compared with others. The strain was, therefore, selected as a biocontrol candidate against sclerotinia rot and its biochemical properties and 16S rDNA sequence was analyzed. The A-7 strain was highly related to Bacillus subtilis and B. amyloliquefaciens. To confirm precise identification, we had performed gyr A gene sequences analysis. Its sequence had 96% similarity with B. amyloliquefaciens. Consequently, the isolate was identified as B. amyloliquefaciens A-7.
저 동기수준 학습자들에게 필요한 자기통제 피드백의 새로운 제안
김로빈(Ro Bin Kim),이한우(Han Woo Lee) 한국사회체육학회 2010 한국사회체육학회지 Vol.0 No.42
The purpose of this study was to examine the learning effect of transformed self-control feedback. The test subjects were 40 middle school male students who had no information about the purpose of this study. The test subjects constituted a transformed self-control feedback group(10 self-controlled students and 10 yoked students) and a general self-control feedback group(10 self-controlled students and 10 yoked students). The task used in this research was aerial pass for accuracy which is one of the soccer skill tests for Crews(1968). On the first day, subjects were given pilot test. There were no differences in pass skill between two groups(transformed and general group) after analysing the data collected during the pilot tests. The data analysis of acquisition phase and retention tests were carried out under 2(self-control form)×2(feedback group)×5(block) or 2(self-control form)×2(feedback group)×2(block) factorial design with repeated measures on last factor. The following results were reached by analysing the test data. (a) transformed self-control groups were more effective than general self-control groups at acquisition phase. (b) according to retention phase` interaction of self-control form×feedback, self control feedback group were more effective than yoked group at transform condition whereas, there was no significant between two groups at general condition. conclusively, this study shows that, the transformed self-control feedback group performed the best on the soccer pass skill task.