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- 저자 : 정일동(Il-Dong Chung) (검색결과 30 건)
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정일동,남기용,Chung, Il-Dong,Nam, Kee-Yong 대한생리학회 1968 대한생리학회지 Vol.2 No.2
Maximal oxygen uptake was measured in thirty-three secondary school girls by means of the treadmill test. Eighteen middle school girls aged 14.0 (range: $13.0{\sim}15.9$) years and fifteen high school girls aged 16.9 (range: $16.0{\sim}18.0$) years served as subjects. Maximal treadmill run lasted for 2 minutes and 20 seconds and the expired air was collected in a Douglas bag through a J-valve during the last one minute period. In general, absolute values of various measurements in the high school girls were greater than those of the middle school girls. When values were expressed on the body weight or lean body weight basis, however, work capacity of middle school girls was superior to that of the high school girls. The detailed results are as follows: 1. In middle school girls maximal oxygen uptake was 1.78 l/min., 47.4 ml/kg body weight, 12.3 ml/cm body height, and 61.7ml/kg lean body mass. In high school girls maximal oxygen uptake was 1.93 l/min., 39.7ml/kg body weight, 12.3 ml/cm body height, and 51.2 ml/kg LBM. Although the absolute value of maximal oxygen uptake was greater in high school girls than in middle school girls, values expressed on the body weight basis showed the reverse trend, namely, values of the middle school girls was greater than those of the high school girls. 2. The ratio of maximal to resting oxygen uptake was 8.8 in the middle school girls and was 10.2 in the high school girls. 3. Maximal pulmonary ventilation in the middle school girls was 55.3 l/min. and 66.1 l/min. in the high school girls. The ratio of maximal to resting pulmonary ventilation was 10.2 in the middle school girls and 10.1 in the high school girls. 4. The correlation between body weight and maximal oxygen uptake was relatively high, namely, r=0.79 both in middle and high school girls. The correlation coefficient between body weight and maximal pulmonary ventilation was a little less that of between maximal oxygen uptake and showed a value of r=0.60 both in middle and high school girls. The lean body mass was a poor reference of maximal oxygen uptake or maximal pulmonary ventilation as compared to body weight. The correlation between maximal oxygen uptake and maximal pulmonary ventilation was high and the coefficient of correlation in middle school girls was 0.927 and in high school girls it was 0.856. 5. Maximal ventilation equivalent was 30.9 liters in middle school girls and 33.9 liters in high school girls. This indicated that no hyperventilation was induced during the maximal of oxygen uptake exercise period as related to the maximal oxygen uptake. 6. Heart rate reached to the peak value within 1.5 minutes after beginning of maximal oxygen uptake run and remained at the same peak plateau level throughout the entire running period. Heart rate decreased steeply on cessation of running and subsided slowly thereafter. The maximal heart rate was 184 beat/min. in middle school girls and 189 beat/min. in high school girls. 7. Maximal oxygen pulse was 9.4 in middle school girls and 9.9 ml/beat in high school girls.
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정일동(Chung, Il-dong) 백산학회 2002 白山學報 Vol.- No.63
Nong sung is a wall of earth which located at the hilly districts in the city of Pyung taek(平澤). The site of Nong sung is recognize to conveient for transportation between Yellow sea(黃海) and inland. We can collect many of the the broken pieces of the earthenware vessel and porcelain in result of the investigation. I think it's hard to conclude the period of build. Because there are several legends about the period of the construct which are hard to trust. Refer to the small scale and the site of the wall it seems that the Nong sung were usesd for smoll troop's post and possible to store the crops. While, according to the genelogy of Rim(林)'s family, the founder of their family was naturalized to Silla(新羅) at the period of disorder in the late Tang(唐)'s dynasity. And he was fixed himself in Nong sung. His descendents were brought up as a familly of powerful and occupied high officer on Koryeo(高麗) dynasity, whose tombs are in existense around Nong sung.
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정일동(Chung, Il-dong) 백산학회 2000 白山學報 Vol.- No.56
KkotMoi Hill(꽃뫼동산) is located in the junction between a hilly country and a plain geographically. This area is fit for agriculture because there are lots of wide fields and hillocks rivers are flowing along, in addition, KkotMoi Hill is the lowest area of the hill where people can assemble, so it has a speciality such as very similar topography to other sites people lived mainly for agriculture and for their life since the Bronze Age. It is important that ancestral rites have been done up to the late dates. The fact that many relics of Koryo and Chosun dynasties have been discovered testifies continual human traces up there though we don’t have any documents lelated to it. According to documentary records, a village formed at first in the end of the 18th century, but it is believed that ancestral rites started being done long time ago. Sacred ancestral rites gradually degenerated into superstitions, so we can guess KkotMoi Hill changed into the place for mountain sacrificial rites. Many traces started to leave since before christ and it was assumed that many remains were buried between 2-4th century in KkotMoi Hill. Reinforcing stone walls and Togwang graves(토광묘) were discovered on top of KkotMoi Hill, Ongkwan graves(옹관묘) and tombs in Chosun dynasty were in around the mountain’s breast, but it is not thought that those things were related to each other. Something special was made in before christ. The investigation about the earthen vessels and the remains in KkotMoi Hill enable us to conclude that people who lived around KkotMoi Hill piled up the reinforcing walls in the large part of KkotMoi Hill and buried their daily necessities; therefore, it came to be thought that the remains on the top of KkotMoi Hill were related to Sodo(蘇塗) in Samhan(三韓) Age. Even though instruments for sacrificial rites have not been found, some people must have buried earthen vessels and blue porcelains and hardware with some purpose through long time. In other word, ancestral rites for their peace and prosperity and fruitful year have been done by the village people since ancient time, even lately; therefore, KkotMoi Hill area can be thought that it is related to Sodo where ancestral rites have been done in Samhan Age.
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