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김성국,Kim, Seong-Guk 한국대학교육협의회 2007 大學敎育 Vol.145 No.-
변혁기에 처해 있는 대학들에게 있어 치밀하고 체계적인 대학발전계획 수립은 생존을 가늠할 정도의 중요한 요소로 부각되었다. 이를 실현시키기 위해서는 무엇보다도 대학 비전에 대한 구성원의 공감대가 형성되어야한다. 대학의 특성에 맞는 개개의 차별성을 확보하여야 하며, 조직 내의 다양한 가치관을 수용할 수 있는 방향으로 전략이 수립되어야 한다. 구성원 간 괴리가 있으면 대학발전계획 시행이 성공하기 어렵다는 점을 염두에두고, 변화에 대한 구성원의 저항 극복방안을 모색해야 할 것이며 현실 속에서 대학발전계획을 쉽게 수용할 수 있도록 노력해야 한다.
투입구 높이 및 내부 드럼 깊이를 고려한 펄세이터 세탁기 사용시 평균신장 사용자의 관절 토크 및 근력에 미치는 영향
김성국,조영근,이남기,유승현,임도형,김한성,고창용,Kim, Seong Guk,Cho, Young Kuen,Lee, Nam Gi,You, Joshua Sung Hyun,Lim, Dohyung,Kim, Han Sung,Ko, Chang-Yong 대한의용생체공학회 2012 의공학회지 Vol.33 No.4
Many studies have reported that housework done using household appliances may affect biomechanical characteristics of the musculoskeletal system. The purpose of this study was to investigate the effects of housework done using a pulsator washing machine on joints and muscles. We calculated joint torques and muscle strengths on the basis of an experimental/virtual three-dimensional motion analysis for six healthy females using the pulsator washing machine at different heights (H) and depths (D) of the inside drum (H (mm){\times}D (mm), Trial1: $962.5{\times}609.4$, Trial2: $962.5{\times}624.4$, Trial3: $982.5{\times}644.4$, Trial4: $995.5{\times}642.4$, Trial5: $1015.5{\times}677.4$). The joint torques and muscle strengths tended to be considerably different during torso flexion in the sagittal plane for all the trials. The maximum joint torques for the thoracic vertebra, left ankle, and right shoulder measured in Trial4 were significantly higher than those measured in the other trials (p < 0.05); in addition, those for the thoracic vertebra and both ankles measured in Trial5 were significantly higher than those measured in the other trials (p < 0.05). The maximum muscle strengths for the left trapezius muscle and both tibialis anterior muscles measured in Trial5 were significantly higher than those measured in the other trials (p < 0.05). These results indicate that housework done using a pulsator washing machine may affect joint torques and muscle strengths, and these effects are dependent on the height and/or depth of the inside drum of the pulsator washing machine.
직류전동기의 속도제어에 대한 적응제어이론의 적용에 관한 연구
김성국,김도현,최계근,Kim, Seong-Guk,Kim, Do-Hyeon,Choe, Gye-Geun 대한전자공학회 1981 전자공학회지 Vol.18 No.3
최근에 활발히 연구되고 있는 model reference adaptive control 이론을 microprocessor를 사용하여 직류전동기의 속도제어에 적용할 수 있음을 보였다. 본 논문에서는 일차로 근사시킨 reference model을 설정하고 model의 output과 motor의 output의 처리가 영에 수렴하도록 하였다. 먼저 computer simulation에 의해 reference 입력과 부하의 변동에 따른 출력을 살펴본 후 microprocessor M 6800을 이용하여 직류전동기를 제어하였는데 input 및 부하의 급격한 변동에 잘 적용하는 특성을 보여 주었다. In this paper, the application of model reference adaptive control theory to the D.C motor speed control using the microprocessor is studied. It is shown that with the use of an adaptive control algorithm the error between output of the motor and the reference model, which is approximated to first order, can be conve to zero. By computer simulation and the practical implementation with the microprocessor M 6800, can be concluded that the adaptive control system adapts well to the rapid change of the load and reference inputs.
MLVA를 이용한 경북지역 소에서 분리된 Brucella abortus의 유전형별
김성국 ( Seong Guk Kim ),김영환 ( Young Hoan Kim ),이홍영 ( Hong Young Lee ),최정혜 ( Jeong Hye Choi ),최성균 ( Seong Kyoon Choi ) 한국가축위생학회 2011 韓國家畜衛生學會誌 Vol.34 No.3
Brucella (B.) abortus is a facultative intracellular pathogen that infects a wide variety of animal species and human. Brucellosis is the zoonosis and an extremely important disease around the world. Although the eight species can be differentiated by conventional phenotypic tests, these species display a high degree of DNA homology in DNA-DNA hybridization assay (>90%). Various methods have been established for genotyping of Brucella species, but most of analytical methods are lack reproducibility and limited capability to differentiate them. The attempt of this study was to evaluate multiple- locus VNTR analysis (MLVA) for use of epidemiological trace-back analysis in bovine brucellosis. Ninety-four B. abortus isolates from Gyeongbuk province during 2006~2010 were analyzed using 16 VNTR locus. High resolution automatic capillary electrophoresis system was used for more throughput, simpleer, faster, and better discriminable than conventional gel electrophoresis. As a result, 13 different genotypes were identified from 94 B. abortus isolates. MLVA could contribute to epidemiological trace-back analysis of bovine brucellosis.
경북지역 애견 번식장에서 분리한 Brucella canis의 생화학적특성 및 PFGE 양상
김성국 ( Seong Guk Kim ),김영환 ( Young Hoan Kim ),홍현표 ( Hyon Pyo Hong ),엄현정 ( Hyun Jung Eom ),장성준 ( Seong Jun Jang ),조민희 ( Min Hee Jo ),이양수 ( Yang Soo Lee ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.3
A biochemical characterization and antimicrobial drugs susceptibility study was conducted in four breeding kennel which was canine abortion caused by Brucella canis in Gyeongbuk province in 2003-2006. Total of 267 dogs domesticated in the four kennel were examination. Among them, 143(53.6%) dogs were sero-positive and 25 of blood samples were isolated to Brucella canis. At amplification of 35KDa-BCSP gene using PCR, 711bp DNA fragment was same visible in 25 isolates and B canis RM6/66. Biochemical characterization of B canis isolated was non-hemolytic, no production of H2S, no fermentation of carbohydrates, catalase-positive, oxidase-positive, indol-negative, hydrolyzation of urea, reduction of nitrate and development of thionin dye medium. Using disk-diffusion method, all of 25 strains tested were found to be highly susceptible to tetracycline, aminoglycoside, quinolone, macrolide antibiotics, rifampin and ampicillin in vitro. Using PFGE with restriction enzyme SmiⅠ, 25 isolates tested were typed to 2 pattern, S1 and S2.
경북지방 환돈에서 분리한 Salmonella Typhimurium의 생화학적 성상 및 약제내성 패턴
김성국 ( Seong Guk Kim ),엄현정 ( Hyun Jung Eom ),김순태 ( Soon Tae Kim ),장영술 ( Young Sul Jang ),조민희 ( Min Hee Jo ) 한국가축위생학회 2010 韓國家畜衛生學會誌 Vol.33 No.1
Salmonella Typhimurium is a virulent pathogen for human and animal. We studied serotypes, biochemical characteristics, and antimicrobial resistance of S. Typhimurium isolated from diseased pigs in Gyeongbuk province over 1998 to 2008. One hundred sixteen isolates were identified as S. Typhimurium by biochemical characteristics and serotypes from 90 farms. The biochemical characteristics of S. Typhimurium isolates was production of H2S, indole-negative, fermentation of mannitol, dulcitol, sorbitol, inositol, rhamnose, and maltose, and ornithine decarboxylase. At antimicrobial susceptibility test, the majority of isolates were highly susceptible to amoxicillin/clavulanic acid, cefepime, ciprofloxacin, while were highly resistant streptomycin, cephalothin, enrofloxacin, nalidixic acid, apramycin, chloramphenicol, tetracycline. The isolates were divided into 65 resistant patterns and 47 of the isolates were shown as a DT104 ASSSuT resistant phenotype.