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- 저자 : Ki Baik Seong (검색결과 145 건)
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白明基,洪盛杓 충남대학교 자연과학연구소 1980 學術硏究誌 Vol.7 No.2
The following conclusion was gained to know the transition of theses on Korean Physical Education by collecting analysing and arranging the 3250 Physical theses published between 1945-1949. 1. Among all the 3250 theses, 106 theses (3.26%) before 1960. 177 theses (5.45%) before 1965, 673 theses (20.71%) before 1970, 1107 theses (34.06%) before 1975, and 1187 theses (36.52%) before 1979 were published increasing as the years passed and the number of theses tends to increase every yea.r 2. According to publishing organizations, 1059 theses (32.58%) were published at Universities, 812 theses (24.98%) at the graduate schools, 605 theses (18.62%) at the Korea Amateur Sports Association, 177 theses (5.42%) at the Korean Society of Physical Education, 148 theses (4.55%) at the Korean Federation of Education Association, and 449 theses at the miscellaneous organization. As a result of this, more theses are supposed to be published at the Graduate Schools and Universities. 3. According to the scopes of the studies, 570 theses (17.45%) in the field of athletic technique, 435 theses (13.38%) in the physical Fitness, 281 theses (8.65%) in physiology, 248 theses (7.63%) in the athletic guidance, 225 theses (6.92%) in the measurement and evaluation of physical Education were published and the tendency of the publication of theses will be done evenly in each field. 4. The theses on physical principle were published before 1960, theses on the Exercise physiology and physical Fitness before 1965, theses on the athletic technique and Exercise physiology before 1970, theses on the athletic technique and physical Fitness before 1970, theses on the athletic technique and physical Fitness were published. And in the near future it is suggested that there will be many scholars who want to study athletic technique and physical Fitness. 5. The Study on the sorts of athletics started in 1966 Among 570 theses, there were 163 theses (28.60%) on ball games, 120 theses (21.05%) on the match of game, 114 theses (20.00%) on Track and Field, 102 theses (17.89%) on gymnastics, 42 theses (7.37%) on seasonal sports. 6. According to the order of the study methods, there were 530 theses (25.54%) on measurement, 734 theses (22.58%) on essays, 463 theses (14.25%) on experiments, 383 theses (11.78%) on enquetes. A study on the essay abundant in the early period tends to be reduced and the study on material collections-treatment-interpretation-conclusion through measurement, experiment, enquete, observation, and inspection will be done eagerly.
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白明基,洪盛杓 충남대학교 자연과학연구소 1981 忠南科學硏究誌 Vol.8 No.2
The plantar characteristics of 51 college male athletes (ages 19-23) were investigated using their footprints. The subjects were composed of 12 track & field men, 11 soccer players, l6 ssirum wrestlers, and 12 handball players. The authors reached the fo1lowing conclusions. I. Ssirum wrestler has the longest, widest foot, and the widest calcaneus;the proportion of his foot length to the foot and calcaneus width was 4.73 to 1.83 and to l respectively; in general long as the percentage of his foot width to the foot length indicates 34.28. 2. Handball player has the largest angle of hallux and of arch among the athletes. 3. Ssirum wrestler has the largest angle of toe and of heel among the athletes. 4. Soccer player has the smallest angle of toe and of heel among the athletes. 5. The first phalange was longest among the phalanges of ssirum wrestler, but the second phalange was longest in handball and in handball player, respectively.
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김성동,김전희,염승렬,백순기 동신대학교 환경연구소 1997 환경연구 Vol.2 No.1
BOD, 질소, 인 등이 다량으로 함유된 고농도 유기성 폐수는 BOB, 인, 질소 등 일부 오염물질의 농도가 현저하게 높거나 C/N비의 균형이 좋지 않은 특성 때문에 처리가 곤란할 뿐만아니라, 적정한 처리공정을 도입하는 것 또한 어려운 실정이다. 이에 따라 고농도 유기성 폐수 배출시설중 화학공장의 폐수를 처리대상 폐수로하여, 각각의 공정에서 배출되는 다른 성상의 폐수를 합한 원폐수를 초음파를 이용하여 무화(霧化 : fogginess)시킨 후 무화 전후의 BOD, COD, SS, N-H과중금속의 제거율을 분석한 결과, BOD, 55, N-H의 제거율은 높았으며 중금속의 제거에는 영향을 미치지 않는 것으로 나타났다. High concentration organic wastewater has been discharged out of industries. These industries are food industries, chemical industries, fiber industries, spinning factories, paper mill manufactories or night soil and stock breeding. Its wastewater was treated to fogginess using Ultrasonic Wave. Due to development of wastewater treatment technique, it is investigated by technique previous to the treatment. Acording to fogginess frequency, it was analysised variation of pollutants concentration. The conclusions are as fallows. Most pollutants were removed by fogginess using Ultrasonic Wave, while heavy metals were not removed Removal effect of BOD, COD, SS, N-H, T-N, T-P developed a tendency to decrease according to frequency.
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한국産 황어의 종묘생산에 관한 연구 1. 産卵習性 및 初期生活史
조재권,오성현,노병율,한경호,성기백,박준택 麗水大學校 産業基術硏究所 1999 産業基術硏究所 論文集 Vol.8 No.-
강원도 양양군에 위치한 남대천과 전라남도 섬진강에 분포하고 있는 황어의 종료생산을 위한 기초자료로 産卵習性과 初期生活史에 관하여 관찰한 결과는 다음과 같다. 황어의 産卵期는 자연상태에서 3∼6月이고, 産卵은 흐르는 하천의 자갈 밑에 하였으며, 受精된 卵은 작은 자갈의 표면에 붙어있었다. 알의 크기는 2.70∼3.20㎜(평균 3.00㎜)로 油球는 없었다. 孵化는 평균 사육수온 10.60℃에서 受精 後 300시간부터 시작되었으며, 312시간만에 완료되었다. 孵化 直後의 仔魚는 전장 6.35∼6.87㎜(평균 10.67㎜)로 난황이 거의 흡수되어 後期仔魚期로 접어들며, 입과 항문이 열려있었다. 孵化 後 7∼9일째 後期仔魚는 전장 11.35∼12.30㎜(평균 11.65㎜)로 등지느러미가 생길 부분이 융기하기 시작하였다. 孵化 後 12∼13일째 개체는 전장 12.65∼13.15㎜(평균 12.80)로 이때부터 Daphnia sp.와 Brachionus plicatilis를 攝餌하였으며, 성장이 다소 빨라졌고, 脊索의 끝부분은 45°위로 굽어져 있었다. 孵化 後 43∼45일째의 개체는 전장이 19.55∼22.85㎜(평균 21.95㎜)로 모든 지느러미 줄기가 정수에 달하여 稚魚期로 이행하였다. 孵化 後 50∼52일째의 稚魚들은 전장이 21.54∼27.35㎜(평균 24.55㎜)로 몸의 형태, 체색 및 옆줄이 완전하게 형성되어 成魚에 닮아 있었다. The spawning behavior and early life history of sea rundace, Tribolodon hakonensis were studied. Spawning of T. hakonensis occurs enmasse on bottoms of stream with a spawning season of March to June. The eggs are attached to the under surface of the gravel. The eggs riped were demersal and adhesive, and their diameter were 2.70∼3.20㎜(mean 3.00㎜). Hatching was started at 300 hours after fertilization at mean water temperature 10.60℃. Newly-hatched larvae were 6.35∼6.87㎜ in total length(TL, Mean 6.65㎜), and mouth and anus were not yet opened. 4∼5 days old larvae transformed to postlarva stage and they were 10.25㎜∼11.15㎜ in TL (mean 10.67㎜). As yolk sac were nearly absorbed, mouth and anus were opened. In 7∼9 days after hatching, total length 11.35∼12.30㎜(mean 11.65㎜). The part of the fin-fold at dorsal fin became high. 12∼13 days old larvae were 12.65∼13.15㎜ in TL(mean 12.80㎜), and they fed Daphnia sp. and Brachionus plicatilis actively. In this time the growth rate slightly increased and tip of notocord was flesed on upward. Aggregate numbers of all fin rays were completed at over 19.55∼22.85㎜ in TL(43∼45 days after hatching), at which time the larvae reached the juvenile stage. 50∼52 days old larvae(21.54∼27.35㎜ in TL) were similar in body from, lateral line and color with adult.
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Ki Baik Seong,박인석,In Bon Goo,Dong Soo Kim 한국해양과학기술원 2012 Ocean and Polar Research Vol.34 No.2
A 26 day experiment was conducted to determine the effects of feeding and starvation on the survival, morphology, and histology in chum salmon (Oncorhynchus keta) fry. We included three experimental groups: starved, fed, and initial. The survival and growth rates were lower in the starved group than in the fed group (P < 0.05). In the starved group, survival began to decline after 16 days, and all fish had died after 26 days. We determined the effects of starvation on the morphometric parameters using the truss and classical dimensions. The dimensions in the head region were larger in the starved group than in the initial and fed groups. In contrast, the truss dimensions of the fed group were larger than those of the initial and starved groups. Starvation reduced the heights of the hepatocyte nuclei and of the intestinal epithelium (P < 0.05). The starved group also showed atrophy of the digestive structures and shrinkage of the foregut and midgut. Starvation led to the degeneration and atrophy of the exocrine pancreas, in which the lumen was markedly diminished and the folds of mucosa were less apparent. The hepatocyte morphology in the starved group was abnormal compared with that of the initial and fed groups, with highly compact, irregularly shrunken nuclei. Melanomacrophages were randomly distributed in the kidneys of the starved group, and their abundance increased rapidly during the experiment. In contrast, neither the initial nor fed group had any melanomacrophages. These results suggest that the nutritional parameters used in this study are useful indices of nutritional status in chum salmon.
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마취심도와 통증 측정 시 카오스 이론의 유용성에 대한 연구
백승완,김해규,신상욱,김경훈,민상기,예수영,전계록 대한정맥마취학회 2001 정맥마취 Vol.5 No.1
Background: During operation, patient's pulse wave signal among ECG, EEG and pulse wave, which are vital signals, are very useful to find out mechanical situation of heart, blood flow, and rarely received electrical noise from high frequency equipment. In this study, we analyzed anesthetic depth during surgical operation and pain stiffness of cancer patients using patient's pulse wave. Methods: To analyze non-linear feature of physiological parameter, we reconstructed a strange attractor using time-serial data with quantity and quality methods. The quantity method is a return-map and the quality method is a correlation-dimension. For reconstructing a strange attractor, two factors were needed, delayed time and dimension. After detecting correlation dimension values based on delay-time, embedding dimension, we compare BIS index to indicate depth of anesthesia and stiffness of cancer patient to correlation-dimension values. Results: According to the return-map, getting lower correlation-dimension values, it showed the more unstable patient's situation. Return-map of low correlation-dimension values showed that geometrical structures were small, discrete and simple. The results of correlation-dimension values using second differential in pain stiffness showed over 2.5 at normal, 1.5 - 2.0 at good, 1.1 - 1.3 at fair and below 1.1 at poor state. The results of correlation-dimension values from using second differential reflected patient's state of painless or painful. Also they showed over 90% accuracy respected to doctor's diagnosis. Conclusions: Continuous and efficient studies analyzing the feature of parameters will be needed. In the future, they will be able to apply to the patients who have autonomic dysfunction, vascular disease, nerve system disease as will as patients in the intensive care unit by using pulse waves which reflect state of patient suffering from the pain.
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( Seong Hee Kang ),( Jhii-hyun Ahn ),( Moon Young Kim ),( Seul Ki Han ),( Bonil Park ),( Young Ju Kim ),( Soon Koo Baik ) 대한간학회 2020 춘·추계 학술대회 (KASL) Vol.2020 No.1
Aims: Hepatic venous pressure gradient (HVPG) measurement is a validated method, which accurately evaluates changes in portal hypertension (PH). Magnetic resonance elastography (MRE) is a well-established method for liver fibrosis staging. We investigated the correlation between MRE-assessed stiffness of the liver and spleen and HVPG values. Furthermore, we evaluated whether MRE values reflected changes in PH after the administration of ß-blockers. Methods: From January 2018 to September 2019, we enrolled 37 consecutive patients with cirrhosis requiring prophylactic treatment of esophageal varices according to the Baveno VI criteria were prospectively included. At enrollment, patients were initiated on carvedilol starting at a dose of 6.25 mg/day, which was up-titrated to 12.5 mg/day. Patients underwent HVPG measurement and multifrequency MRE at baseline and 6 weeks. Results: The median HVPG and MELD score of the patients was 15.0 mmHg (Interquartile range [IQR], 11.5-20.5) and 11.4 (IQR, 8.5-13.9), respectively. Median baseline values of MRE-assessed liver and spleen stiffness were 5.92 kPa (IQR, 4.89-7.10) and 8.38 kPa (IQR, 7.38-9.43), respectively. Multiple linear regression analysis revealed a significant correlation between HVPG and MRE-assessed liver stiffness (γ=0.485, P=0.004), but not MRE-assessed spleen stiffness (γ=-0.065, P=0.708). Median 6-week changes in MRE-assessed liver stiffness (Δliver), spleen stiffness (Δspleen) and HVPG (ΔHVPG) were -0.4 kPa, -0.13 kPa, and -1.5 mmHg, respectively. Overall, neither MRE-assessed Δliver (γ=0.311, P=0.170) nor MRE-assessed Δspleen (γ=-0.135, P=0.559) was correlated with ΔHVPG. However, using the categorized stage of HVPG, MRE-assessed Δliver significantly correlated with ΔHVPG in patients with low-HVPG ≤16 mmHg (γ=0.575, P=0.040), though not in patients with high-HVPG >16 mmHg (γ=-0.048, P=0.909). Conclusions: MR parameters related to liver stiffness provide excellent accuracy for diagnosing PH, and reflect changes in HVPG following administration of ß blockers for less severe PH.
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