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RISS 인기검색어
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- 저자 : 김대성(Dai Sung Kim) (검색결과 7 건)
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헤마토크?????? 비율이 낮은 사람에 있어서 최대 산소 부채와 과잉젖산 사이의 관계
김대성,남기용,Kim, Dai-Sung,Nam, Kee-Yong 대한생리학회 1968 대한생리학회지 Vol.2 No.2
Maximal oxygen debt, lactate and excess lactate were measured in 13 men with low hematocrit ratio before and after maximal exercise. Maximal exercise run was performed on a treadmill and the duration of run was 2 minutes 45 seconds in each subject. Hematocrit ratio ranged between 35 and 47%, the mean being 39.8%. The following results were obtained. 1. Maximal oxygen debt expressed on basis of body weight increased as the hematocrit ratio decreased. The correlation coefficient between the two was r= -0.770. 2. The time necessary for decreasing to 50% of total maximal $O_2$ debt(half time) became longer as the hematocrit ratio decreased. In normal men the half time was about 4 minutes and at the longest it was 12 minutes in men with the lowest hematocrit ratio. 3. The lactate concentration reached its peak value after 3 minutes of recovery. Thereafter, the time course of decrease in lactate concentration coincided roughly with that of respiratory oxygen debt curve. To reach to the resting level, however, it took longer time than that of respiratory oxygen debt. 4. Resting concentrations of lactate was 1.28 mM/l, pyruvate 0.13 mM/l and L/P ratio was 9.8. Peak value of ${\Delta}L$ after exercise reached to the value of 10.4 mM/l and ${\Delta}L/P$ reached 26.0. Peak excess lactate after exercise was 6.34 mM/l. 5. The part of oxygen debt accounted for by the oxygen equivalent of excess lactate was only 38.4%. A better relationship between lactate and oxygen debt was observed and the part of oxygen debt accounted for by the oxygen equivalent of lactate was 63.3%. 6. Peak value of lactate after maximal exercise increased as the hematocrit ratio decreased. 7. Respiratory oxygen debt of 100 ml/kg was accounted for by lactate more than 60% and only 30% was by excess lactate. 8. Excess lactate was not a good index of respiratory oxygen debt.
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헤마토크릴 비율이 낮은 사람에 있어서 최대 산소 부채와 과잉젖산 사이의 관계
김대성(Kim, Dai-Sung),남기용(Nam, Kee-Yong) 대한생리학회 1968 대한생리학회지 Vol.2 No.2
Maximal oxygen debt, lactate and excess lactate were measured in 13 men with low hematocrit ratio before and after maximal exercise. Maximal exercise run was performed on a treadmill and the duration of run was 2 minutes 45 seconds in each subject. Hematocrit ratio ranged between 35 and 47%, the mean being 39.8%. The following results were obtained. 1. Maximal oxygen debt expressed on basis of body weight increased as the hematocrit ratio decreased. The correlation coefficient between the two was r= -0.770. 2. The time necessary for decreasing to 50% of total maximal O<sub>2</sub> debt(half time) became longer as the hematocrit ratio decreased. In normal men the half time was about 4 minutes and at the longest it was 12 minutes in men with the lowest hematocrit ratio. 3. The lactate concentration reached its peak value after 3 minutes of recovery. Thereafter, the time course of decrease in lactate concentration coincided roughly with that of respiratory oxygen debt curve. To reach to the resting level, however, it took longer time than that of respiratory oxygen debt. 4. Resting concentrations of lactate was 1.28 mM/l, pyruvate 0.13 mM/l and L/P ratio was 9.8. Peak value of ΔL after exercise reached to the value of 10.4 mM/l and ΔL/P reached 26.0. Peak excess lactate after exercise was 6.34 mM/l. 5. The part of oxygen debt accounted for by the oxygen equivalent of excess lactate was only 38.4%. A better relationship between lactate and oxygen debt was observed and the part of oxygen debt accounted for by the oxygen equivalent of lactate was 63.3%. 6. Peak value of lactate after maximal exercise increased as the hematocrit ratio decreased. 7. Respiratory oxygen debt of 100 ml/kg was accounted for by lactate more than 60% and only 30% was by excess lactate. 8. Excess lactate was not a good index of respiratory oxygen debt.
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卞烘圭,金大成 全北大學校 敎育大學院 1997 敎育論叢 Vol.17 No.-
This study was attempted to analyse the relationships of motivational and self-regulational learning to academic achievements of junior high school students. A self-report measures of student self-efficacy, intrinsic value, test anxiety, self-regulation, and learning strategies were administered. It was found that self efficacy and intrinsic value were positively related to cognitive engagement, but only self-efficacy was positively related to academic performance. And regression analysis revealed that, depending on the outcome measure, self-efficacy and strategy use emerged as the best predictors of performance. But intrinsic value had a negative influence on performance. Test anxiety did not have a negative influence on performance at the significance level. These findings of intrinsic value and test anxiety to the acdemic performance are needed to examine further by detailed study design.
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내면화 이론과 초등학생의 자기조절 학습 : 외발적 성취동기화의 세 가지 양식을 중심으로
이영식,김대성 全北大學校 敎育大學院 1998 敎育論叢 Vol.18 No.-
This study aims at clarifying students' motivation. Educators are inclined to behold outer perspective, focusing on how to create conditions that facilitate learning, how to support. guide, inspire, and promote the learning process. But this issues can be attainable only through the inner perspective by looking at what it is inside the learner that leads them to focus on something, take interest, and assimilate it. But most school activities ate based on extrinsic motivation. which fully effective only by the process of internalization. This internalization categorized into three forms: external regulation introjected regulation, and identifiable regulation. Motivational development proceeds away from heteronomy in regulation and toward autonomy under appropriate conditions. These conditions include provision of autonomy, adequate structure information, context of warm positive involvement on the part of socializers. This research has shown how both parents' and teachers' support for children's autonomy can enhance their self-regulatory capacities. This means that children can grow toward self-regulation if the environment gives over responsibility in accord with their developmental capacity and makes non-arbitrary, potentially meaningful demands.
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