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임윤규,이두식,박전홍,양기천,김승호,김공식,현관종,김우택,이영순 濟州大學校 農科大學 動物科學硏究所 1993 動物科學論叢 Vol.8 No.1
Enzyme-linked Immuno sorbent Assay (ELISA) for the serological diagnosis oi Bruceiia abortus was developed and compared with plate aggluhnation test Cell wall antigen was extracted from Brucella abortus 1119-3 by sonicabon and with a sodium deoxychlate solution Optimum protein concentra tion of coating antigen 0.4㎍/100㎕ protein on each microtiter plate well. Horse radish peroxidase(HRP) labled protein-G was used as a tracer of reacted antibodies ELISA confirmed the agreeable results of 40 rases out of 43 cases by plate aggulutination test ELISA diagnosed positive cases (10 out of 12) and negatiw cases (1 out of 12) with dubious sera by plate agglutination test From this results EL ISA could be used for the early diagnostic tools of Brucellosis in cattle.
최대근력부하와 폭발적 근력부하에 의한 신경-근피로와 그 회복과정 비교 분석
유관호,이무연,이승훈,김민섭,육조영,임정일,임완기,김대경 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.5
The result which was gained from this study is as follows. From the conclusion of this study it was confirmed that resistant motion at high level strength brings about rise in density of lactate in blood at the same time decline of muscular power and generates acute fatigue of nerve-muscle accompanied by decline in electrical activity of muscle. On the other hand explosive loading produced fatigue at body center and decline in nervine-muscular activity particularly for men, In case of women explosive load did not produce fatigue in the same level as men and they were also quicker in recovery after exercise. Based on 2 types of loading method used in this study there was clearly difference in the process of restoration from resistant motion. For greater decline in muscular power and electromyogram activity more longer period of recovery was require.
허성관,이성우,임승환 대구대학교 과학기술연구소 1996 科學技術硏究 Vol.3 No.2
Multi-echelon inventory systems are often controlled as a network of single-echelon inventory systems for simplicity of managerial authority, organizational control, and performance monitoring. this paper explores the amount of suboptimization in such a situation using an actual demand data set provided by other researchers. We consider low-demand, high-cost items controlled on an basis, with all warehouse stockouts met on an emergency-ordering basis. We demonstrate that the suboptimality penalty for this data set is 3% to 5% when single-echelon system are appropriately parameterrized.
이승호,김진수,박하준,양준모,소광섭,임사비나 경희대학교 동서의학연구소 2006 東西醫學硏究所 論文集 Vol.2006 No.-
Objectives : The purpose of this study is to review research papers published by Korean research groups on biophoton of human beings based on experiment subject and methodology. Methods : In order to review human biophoton research executed in Korea, all the papers published in Korean and international journals by Korean research groups were selected. Several key foreign papers were also reviewed for clarification of this study. Based on experiment subjects, experiment methodology, and interpretation of experiment results were analyzed. On each experiment, its original interpretation was directly quoted. Issues on the experiment methodology and interpretation were expressed at the end of each subject. Results and Conclusions : We found that experiments on human biophoton were compelling. However it seemed that mom experiments, especially on their sample sizes, ate needed to demonstrate its clinical application. Interpretations based on Korean traditional medicine also need to be elaborated more. In order to do accomplish clinical application of biophoton, interdisciplinary works are required. Some suggestions on biophoton experiments were made.
국부적으로 집중질량을 가진 횡으로 진동하는 보의 공진 진동계수
김기만,임승관 金烏工科大學校 1997 論文集 Vol.18 No.-
The object of this study is to analyze the additional inertial effect caused by the local irregularity or the lumped mass being attached to the uniform beam. The additional masses are considered as a point mass and a locally distributed mass. The method of variation of parameters is employed to solve the response of the dynamic system. Dynamic response of beam is analyzed by physical features of the masses attached to the beam, Two edges of beam are assumed to be simply supported. The resonant frequency coefficients caused by harmonic force were evaluated as magnitudes and locations of additional masses. The dimensionless deflections of a beam are plotted versus length of beam at near the first resonant frequency.
경영정보시스템 구축을 위한 생산자동화시스템의 접속에 관한 연구
허성관,장석진,권택진,임승환 大邱大學校 科學技術硏究所 1999 科學技術硏究 Vol.6 No.2
This paper provided to solve the interface between CIM and MIS database system design procedure and their solutions. There are many changes to processing the management data using computer systems, but a few studies are developed to integrated processing the huge information data. According to this situation, distributed data management becomes managed by integrated information processing system. And the manufacturing information has been developed separately with their own work flow and characteristics. It makes difficult to rebuild integrated control. Therefore this study invokes standardization of all data transaction and management there procedure.
한국,중국,베트남 이동통신 이용자의 IMC 요인 인식 차이와 해외진출 전략에 관한 연구
임채관 ( Chae Kwan Lim ),김채환 ( Chae Hwan Kim ),정성호 ( Seong Ho Cheong ),유승관 ( Seung Kwan Ryu ) 한국PR학회 2009 PR연구 Vol.13 No.1
This study aimed to investigate the structural relationship and difference of IMC(integrated marketing communication) factors, corporate image, brand image, service quality, and customers` satisfaction of Korean, Chinese and Vietnamese mobile telecommunication users. In doing so, this paper suggested reasonable IMC strategies and oversea markets. This study conducted survey for each mobile telecommunication users: Koreans(303), Chinese(244), and Vietnamese(179). Based on this survey, this study employed empirical analysis and proposed comprehensive IMC strategies, which are suitable for each countries. As a result, IMC factors have positively impacted on corporate and brand image, and so good corporate and brand image have a positive influence on service quality and ultimately customers` satisfaction for Korean mobile telecommunication users. However, this study found out that brand image and service quality were not statistically significant for Chines and Vietnamese users.
임현균(Hyun Kyoon Lim),박세진(Se-Jin Park),황지수(Jisoo Hwang),박승남(Seung-Nam Park),김시경(Sikyung Kim),이근우(Geun Woo Lee),김승관(Seung Kwan Kim),박성종(Seongchong Park),오승빈(Seung Bin Oh),노기용(Ki Yong Noh),김원식(Wuon-Shik K 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.10
Lighting for home and road in modern society is one of the most important design factors. To date, standards for colors to human sensation are well made under the bright (=photopic vision) and dark (=scotopic vision) environment. However, the measurement method is not objective and therefore, new method is in need. In this study, we recorded electroencephalogram while a subject was watching light-emitting diode (LED) panel. Red, green, and blue color appeared sequentially from dark (=0) and to the most bright color level (=256) step by step. A subject was asked to press a button when he/she see any colors on the screen. EEG data from five subjects (34 ? 5.9 years) was analyzed. As results, subjects pressed button 37.1 seconds for red, 36.5 s for green, and 36.5 s for blue. Subjects showed also EEG changes by optical stimulation post onset of lighting stimulation. As a conclusion, EEG analysis may be a new objective measurement method to detect brain response by the optical stimulation. To get firm evidence for the response, additional subjects should be recruited more in the same test. Test-retest reliability should be also made for the evidence based standards of visual sensitivity.