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한국산 배의 Polyphenol 화합물군이 쥐의 면역기능에 미치는 영향
최희진,한호석,박정혜,배종호,우희섭,안봉전,배만종,김현구,최청 한국식생활문화학회 2003 韓國食生活文化學會誌 Vol.18 No.4
This study was conducted to investigate immunofunctional activity of the polyphenol fractions isolated from Korean pear. In the experimental of Rosette forming cell, the results showed that all the polyphenol fractions enhance the cell count compared with the control group. Especially polyphenol fraction II and III showed highly significant effect on Rosette forming cell, and allergy inhibition. After antigen challenge, histamine content of blood of the polyphenol groups was lowered to near the normal group.
최봉수,이명우,서동선,김석진 明知大學校 産業技術硏究所 1995 産業技術硏究所論文集 Vol.14 No.-
We numerically investigate stable propagation regimes of 10 ㎓ train of optical solitons with 17.6 ps widths to determine the acceptable variations of periodic amplifier gain(△G), dispersion(△D), and initial chirp(C), as a function of the amplification period LP. We fine that, when LP = 25 km, the acceptable variations are △G = ±4%, △D= ±12%, and C= -0.36 ∼ 0.39. The variations decrease as the amplification period LP increases.
최상진,조옥성,백우석,이갑철,고봉수 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
The purpose of this study was to investigate the mental toughness of Taekwondo players and to suggest way of performance enhancement using Loehr's Psychological Performance Inventory. Subjects were 188 Taekwondo elite players. Each factor's mean and standard deviation of Mental Toughness were calculated, and ANOVA were used for statistical analyses of the difference of mean. The results are as follow;: 1. On the level of self-confidence, it shows that the man players is higher than the woman players (school career F=5.846, P<.05: sex distinction F=8.876, P<.01). 2. On the level of attention control, it shows that the woman players is higher than the man players (school career F=4.483, P<.05: sex distinction F=9.814, P<.01). 3. On the level of visual and imagery control, it shows that the man players is higher than the woman players (school career F=7.790, P<.01: sex distinction F=5.000. P<.05). 4. On the level of arousal control, motivation, positive energy and attitude control, it was not significant difference according to the sexual and school career.
최낙진,류정호,강봉휘,이광우,이덕동 경북대학교 센서기술연구소 1997 센서技術學術大會論文集 Vol.8 No.1
The semiconductor gas sensors with a tin oxide as the raw material have been generally used to detect gases in the principle of electrical conductivity variation. However, it was difficult to design the gas detection system due to the non-selectivity, the non-stability and the influence of temperature, humidity etc. Therefore, it was proposed NDIR(non-dispersive infrared) method using pyroelectric infrared sensor to overcome the disadvantage of the semiconductor gas sensors. This method has been recently used to detect various gases in industrial parts. It has the advantages of selectivity, stability and responsibility. The gases used in this paper were CO_(2)(carbon dioxide) and HC(hydrocarbon) series. The system was designed with the Intel MCU i8097BH microprocessor. Main topics were to remove interference effect for other gases and to minimize influence for ambient circumstance by using the software and the hardware techniques.
최우진,김단환,정기봉,오무송 조선대학교 전자정보통신연구소 2002 電子情報通信硏究所論文誌 Vol.5 No.1
Multimedia information includes image information, sound information, character information and various informations. Difficulty follows to look for image which user wants by existent retrieval method. Therefore, introduce MSE(Mean Square Error) by index method for efficient practical use of video information in this research and propose scene change detection retrieval method of video. This image data for diagonal line direction color value of schedule pixel draw, (By j^(*)i matrix to Matrix A, i is frame number, j stored cost that express diagonal line Image height of frame to Matrix A). So that can grasp whole structure of video, do sampling in still image, Made user can grasp whole structure of video, do sampling in still image. Made user grasp scene change point of total video on one eye. If MSE of each frame exceeds critical value, search the frame by scene change.
PCR을 이용한 국내 및 수입 축산물 유래 Listeria monocytogenes의 유전학적 분석연구
우용구,이수화,이철현,최정수,류재두,김영일,이오수,김봉환 한국수의공중보건학회 2003 예방수의학회지 Vol.27 No.2
One hundred-fifty two of Listeria strains were isolated from domestic chicken carcasses, a slaughter-houses from nationwide from 1996 to 1997 and imported livestock products from a ten foreign countries including the USA, China, France and Thailand. To substitute the laborious and time consuming procedures of clinical laboratory standard diagnostic methods, the rapid and specific multiplex PCR(M-PCR), which was designed to amplify a three kinds of genes simultaneously f3r specific detection and differentiation of L. monocytogenes(LM) by one step procedure, was established. The LM strains confirmed with M-PCR were analysed to their genetic diversities by RAPD using the two primers(D87 & MMTl), and also evaluated on their discriminatory abilities(na) between two primers. our study also conducted the REP-PCR and ERIC-PCR for evaluation of the possibility of REP and ERIC elements for genetic subtyping of LM strains. According to the REP-PCR and ERIC-PCR fingerprinting patterns, LM strains were divided into 7(ERIC-type) and 4(REP-type) major clusters at the relative clone cut off value of 80%. According to the computer analysis of PCR results using the GelCompar Ⅱ software, ERIC-PCR(DI=0.955) had expressed the most high discriminatory ability and followed by REP-PCR(DI=0.952), RAPD(D87; 0.954, MMT1; 0.937), in order. The combined analysis of the present PCR results was also expressed the reliable and useful discriminatory ability(DI=0.916). This study suggested that PCR based methods could be used as an reliable, reproducible, rapid, and highly discriminatory method for the genetic differentiation of genus Listeria.
최병태,이형민,전상봉,서승교,이우언,백종현 대구산업정보대학 2001 논문집 Vol.15 No.-
The aim of this paper is to form and to operate EQM, to say education quality management. In order to achieve the above stated purpose, the paper hypothesizes that there are similarities between enterprises and colleges in quality management. The basic method of the paper is systematic approach, modifies TQM, which is total quality management. The result is that EQM program must form and operate the feedback system for teaching and learning effect, the PSMT(project, self-study, media, team unit style teaching and learning) as a new teaching and learning method, and the digital system as an advanced mechanism, in education quality management.
프레탈^(R)정(실로스타졸 50mg)에 대한 실로졸^(R)정의 생물학적 동등성
최한곤,권기철,이승호,김학미,박병주,유봉규,이종달,이경희,하정희,우종수,박인숙,최진석,용철순 한국병원약사회 2003 병원약사회지 Vol.20 No.1
Bioequivalence of two cilostazol tablets, the Pletaal^(R)(Korea Otsuka Pharmaceutical Co., Ltd.) and the Cilozol^(R)(Hanmi Pharmaceutical Co., Ltd.), was evaluated according to the guideline of KFDA, Sixteen normal male volunteers(age 20~29 years old) were divided into two groups and a randomized 22 cross-over study was employed. After two tablets containing 50㎎ of cilostazol were orally administered. blood was taken at predetermined time intervals and the concentration of cilostazol in plasma was determined with an HPLC method using UV detector. The pharmacokinetic parameters(C_(max), T_(max) and AUC_(t)) were calculated and ANOVA was utilized for the statistical analysis of parameters. The results showed that the differences in C_(max), T_(max) and AUC_(t) between two tablets were 4.99%, 1.74% and 7.68%, respectively. The powers(1-β) for C_(max), T_(max) and AUC_(t) were83.92%, 80.12% and 85.03%, respectively. Detectable differences(Δ) and confidence intervals were all less than 20%, and confidence interval of all the parameters were also less than 20% at the significance level(α) of 0.05. All of these parameters met the criteria of KFDA for bioequivalence, indicating that Cilozol^(R) tablet is bioequivalent to Pletaal^(R) tablet.
최기봉,배우석,안병철 한국안전학회 2004 한국안전학회지 Vol.19 No.2
The paper describes a procedure for the evaluation of the effect of seepage force on stability of slopes. The stability of an embankment impounding a water reservoir is highly depend upon the location of seepage line with the embankment. To evaluate the accurate safety factor of an embankment, it is important to illustrate the seepage phenomenon. Of particular interest is the stability following a rapid change of reservoir level. Seepage forces in embankments are easily determined if frictional forces are expressed in relation to hydraulic gradient I. If a piezometer is inserted into a body of embankment, the level to which free water rises is a measure of the energy at that point.
Polytrimethylene terephthalate(PTT) 가연사의 수축거동에 관한 연구
최재우,장봉식 한국의류산업학회 2004 한국의류산업학회지 Vol.6 No.4
Shrinkage properties of drawn textured Poly(trimethylene terephthalate, P1"1') yarn, which has been developed recently, were investigated to provide fundamental information for the textile industry. Shrinkage ratio characteristics on PTT yarn with six different count were investigated with tension, dry and wet thermal temperature. In non-tension, the shrinkage ratio were increased to increasing temperature at dry and wet thermal treatment, and in tension, the shrinkage ratio were increased to increasing tension at dry and wet thermal treatment.