무도 종목별 스포츠 적성 체력 판별에 영향을 미치는 체력 요인 분석

최종삼,윤익선,봉화선 龍仁大學校 武道硏究所 2004 武道硏究所誌 Vol.15 No.1

The standard of value of winning in sports has become much important and the standard of physical strength improvement serves as the most important conformity for assessment of players, thus, it is required to identify what are the major factors for performance of play to improve the technique of Yongmoodo, Taekwondo and Kumdo athletes. Accordingly, researchers, scientists, and leaders of sports analyse the factors for performance of play focussed on how to improve the performance of play, and anticipate to analyse, to be informed of, and to assess the players and training result based on the result of play. Thus, the study is designed to find out the physical factors for decision of records of play in university students Yongmoodo, Taekwondo and Kumdo athletes under planned training and to identify physical factors of play performance of Yongmoodo, Taekwondo and Kumdo athletes. SPSS V11.0 ststistic program was used in processing of data in this study. Stepwise discriminant analysis was applied in identification of major assessment items showing the difference between the groups, and partial F-test statistic was utilized, on the assumption that contribution ratios of each variable are the difference between the groups, to assess their statistical significance and to make decision whether to select the variables. 1. In determination of Yongmoodo, Taekwondo and Kumdo athletes by physical strength, statistic showed statistical significance with 5% of significance level. 2. The order of contribution of variables that determine the performance of play as well as run to 100m, back strength, abdominal muscular endurance, flexibility, muscular endurance of upper arms are Yongmoodo athletes, thus, grip strength, agility and 1 mile run are Taekwondo and Kumdo athletes. 3. In therms of accuracy of the reclassification of determination factors as sports talent fitness of martial-arts event style, the reclassification into Yongmoodo(78.8%) and Taekwondo(86.8%) was higher compare that of Kumdo(37.7%). In therms of accuracy of the reclassification of determination factors as sports talent fitness of all martial-arts event style, the reclassification into Yongmoodo, Taekwondo and Kumdo were 69.8%.

통신설비의 Pulse성 Nosie 현상 분석과 Noise 대책

崔寅浩,崔種和,金炯澈,李相寧,鄭日和,李大寧 慶熙大學校 1993 論文集 Vol.22 No.-

The use of electric-power-distribution circuits for communications is of continued and growing interest. Impedence, attenuation, and noise characterize any communication channel and are needed for design of digital communcation systems. The purpose of this paper is to present the method of Measurement and countermeasure of the temporal and spectral properties of the magnetic and electronic fields of radio noise that emanates from power lines.

投形運動 指導를 위한 生體力學的 硏究

崔種浩,朴政和 대구교육대학교 1994 論文集 Vol.29 No.-

The Biomechanical characteristics related to the throwing in later Children are investigated between the unskilled and the skilled group. For the study, 12 unskilled boys and 10 skilled boys aged 11 were selected at random. 44 variables are investigated in total; 14 item in Anthropometry, 7 item in Motor abiligy, and 23 item in Biomechanics. The form of throwing a rubber ball with a weight of 150g and a diameter of 7cm is filmed at the rate of 100 fps by means of two 16mm high speed cinecamera for the DLT. Each variable was satistically analyzed and between the unskilled and the skilled group. The conclusions are summarized as follows ; Standing height, lower limb length and shoulder width are lager in the skilled group than in the unskilled group, which implies that the growth of body length and width has an effect on the development of the ball throwing skill. The skilled are better in she motor ability except flexibility than the unskilled. In general, the ball throwing ability is affected by the other motor ability and is not developed sufficiently in later children. The motor patterns of the ball throwing, with she exception of the velocities of ball, hand and wirst at release and relaese angle are mastering at 11 years of age. The closer segmental end, the larger maximum segmental velocity is observed. The difference of maximum velocities of connected segments in uppers limb due to development of muscular system. The segmental movement of the best thrower is whiplike, in sequence from torso to upper limb end.

농장 사육되는 타조에서 나타난 다리 기형의 증례 보고

최종윤,손화영,전무형,조성환,김혜성,류시윤,박배근,이영원,윤원기 충남대학교 수의과대학 동물의과학연구소 2001 動物醫科學硏究誌 Vol.9 No.-

Two farmed young ostrich chicks were applied to pathology laboratory at Chungnam National University. Grossly, one ostrich showed rotated tibiotarsus, the other showed rolled toes. Case 1 ostrich was hypertrophy of fibualis longus and tibial cranialis tendon and gastrocnemius tendon in crus, inflammation of flexor digitorum longus. In histopathological views, myocytes of fiburalis longus were showed hypertrophy and hyperplasia. It is not found any specific feature in X-ray of the case 2 ostrich. Limb deformities were detected frequently in farmed ostrich chicks in 2- to 3 weeks old. Limb deformities were an important cause of mortality in farmed ostrich chicks during the first 10weeks after hatch. Cause of limb deformities were considered a nutrition problem.

농업용수 수질기준 T-N 항목 설정을 위한 벼생육 실험

최선화,김호일,윤경섭,최이송,오종민 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3

The present water quality standards for agricultural were established without considering the effects of water quality on the safety, growth, yield and quality of crops. This study was carried out to investigate the effects of irrigation water quality on the growth, yield, and grain quality of rice, and to acquire basic knowledges to set up water quality standards for irrigation. The field and pot experiments were conducted with irrigation water that was previously adjusted four concentrations (control, 5, 10, 20 ㎎/L) and six concentrations (control, 5, 10, 15, 20, 30 ㎎/L) by NH₄NO₃ solution and replicated three and four times with randomized block design, respectively. The results of this study showed that the inorganic nutrient of rice plant, rice protein contents and number of panicle tended to increase as the T-N concentration in irrigation water was increased. In addition, grain yield at T-N 10 ㎎/L and 20㎎/L were significantly higher than the control at the field experiment. From the pot experiment at T-N 30 ㎎/L, the percentage of head rice was slightly lower due to the increase of green kernel and white belly/core kernel.

SOM 신경망을 이용한 심전도 검출에 관한 연구

崔塡亨,柳宗賢,白承和 明知大學校 産業技術硏究所 2003 産業技術硏究所論文集 Vol.22 No.-

Abstract - In This study, proposes a self-organizing QRS-wave detection algorithm for ECG using Kohonen Neural Networks and a new preprocessing algorithm for R-point detection. The implemented ECG reading system consists of a preprocessor, a SOM and a QRS-detector. The preprocessor detect R-point in the ECG. The SOM organizes training vectors into a pattern book, and the QRS-detector executes Q and S-point detection with the pattern book. Without an averaging process permits a faster operation and applying a nonlinear peak detector to a preprocessor. The self-organizing ability of SOM has proven to be a good solution for recognizing and organizing QRS-wave patterns. Moreover, The SOM prevents an loss of information such as signal distortion due to a mathematical transform. The QRS-detector based on the pattern book from the SOM executes an efficient ECG reading compared to the other methods.

감의 脫澁處理中 Pectin 含量과 Texture의 變化

崔鍾旭,孫泰華,鄭信敎,李吉雨,姜峻洙 慶北大學校 1989 論文集 Vol.47 No.-

This experiment was made to investigate the changes of the contents of acetaldehyde, alcohol, tannin, and to study the texture changes of persimmon in relation to the contents of pection during the removal of astringency by CO_2. 1. During the removal of astringency of persimmon fruits, the contents of soluble tannin showed the rapid decrease in high concentration of CO_2, but the contents of ethanol and acetaldehyde showed the rapid increase in all treatments. 2. The contents of W.S.P. increased, but H.S.P. decreased in all treatments. 3. All texture paramenters of persimmon fruits except springness and adhesiveness were decreased druing the removal of astringency. 4. The contents of W.S.P. were good correlated with the changes of hardness in all treatments.

제1요수 불완전 하반신 마비 환자에서의 기능적 전기자극에 의한 훈련 증례보고

최현주,이수영,김종문,강선화,정순열,강곤,정진상 건국대학교 의과학연구소 1996 건국의과학학술지 Vol.5 No.-

Functional electrical stimulation(FES) is known to increase muscle bulk and strength and prevent muscle atrophy in complete paraplegic patients. And other benefits include peripheral adaptations which improve muscle endurance, girth, and appearance, as well as central circulatory adaptation which enhances aerobic(cardiopulmonary) capacity. Good candidates for FES include spinal cord injured patients who have clinically complete upper motor neuron lesion between T4-T12. But we experienced incomplete L1 paraplegic patient who has improved maximal knee extension power, endurance, circumference and cross-sectional area of the thigh and the shank after FES-induced exercise for 44 weeks. So we recommend more trial of the FES-induced exercise to not only complete but also incomplete lumbar paraplegic patients.

지문정보를 이용한 안전한 암호키 저장 시스템 개발

최은화,서창호,임종태,김석우 公州大學校 工學硏究院 生産技術硏究所 2003 論文集 Vol.11 No.-

Biometric encryption refers to a process of secure key management. Biometric encryption does not directly provide a mechanism for the encryption/decryption of data, but rather provides a replacement to typical passcode key-protection protocols. Although the process of biometric encryption can be applied to any biometric image, the initial implementation was achieved using fingerprint images.

減壓 貯藏中 Tomato果實의 Ribonucleic Acid와 Ribonuclease 活性의 變化

崔相源,崔鍾旭,孫泰華 COLLEGE OF AGRICULTURE KYUNGPOOK NATIONAL UNIVERSI 1984 慶北大農學誌 Vol.2 No.-

The process of ripening and senescence of tomato fruits has been studied in terms of storage temperature and pressure. Ribonucleic acid(RNA) content, Ribonuclease (RNase) activity, RNase properties and electrophoretic pattern of RNase were investigated during the storage. Total RNA content was decreased during ripening and senescence. The decreasing rate was greater at room temperature (R) than at low temperature (L), and under normal atmospheric pressure (NAP) than under sub-atmospheric pressure (SAP). RNase activity was increased during the period of climacteric rise and in accordance with developing color score. RNase activity was obviously higher at R than L, and under NAP than SAP. Consequently, RNase activity of NAP-R treatment was the highest among the treatments. The optimum temperature and pH of RNase activity were 70℃and pH 6.7, respectively. RNase activity was the most stable at pH 5.0 and retained 50% of its activity when treated at 90℃ for 10min. RNase activity was inhibited by cations and, markedly by zinc. Both treatment of NAP-R and SAP-L showed one band of RNase on gel electrophoresis in the early stage of storage. With the lapse of storage, the number of RNase band increased, showed 3 bands in the 7th day of NAP-R treatment and 2 bands in the 34th day of SAP-L treatment.