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권석기,음성진 ( Suk Ky Kwon,Sung Jin Eum ) 한국공업화학회 1994 공업화학 Vol.5 No.2
에테르기를 가진 수용성 포스파젠 고분자를 감마광선에 노출시켜 좋은 수분-팽윤도를 가진 친수성 겔을 만들었다. 이 친수성 겔들의 물리적 강도가 감마광선의 강도에 따라 조절될 수 있었다. 트립신과 수용성 포스파젠 고분자를 함께 감마광선에 쪼여 트립신을 겔의 망 사이로 고정시켰다. 고정된 트립신의 활성도는 N-α-benzoyl-1-arginine-p-nitroanilide와 반응시킨 후 분광학적인 방법으로 조사하였다. 고정된 트립신은 적어도 500시간 후에도 상당히 좋은 활성도 수율과 안정도를 가지고 있었음을 보여주었다. The water-soluble polyphosphazene possessing ether side groups was exposed to γ-rays to prepare hydrogels with good water-swellability. The physical strength of these hydrogels could be controlled by irradiation dose of γ-rays. Trypsin and water-soluble polyphosphazene were irradiated together by γ-rays for entrapment of enzymes into hydrogel networks. The activities of immobilized trypsin were examined spectrophotometrically after the reaction with N-α-benzoyl-1-arginine-p-nitroanilide in phosphate buffer. The immobilized trypsin was found to have good activity yield and stability after at least 500 hours.
이순혁,음성진,박명근 한국농공학회 1985 한국농공학회논문집 Vol.27 No.4
This study was attempted to derivate empirical formulas for the runoff: ratio during ilood. season at three watersheds of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle, and lower portion of Nam Han river basin, respectively. Obtained formulas for flood runoff ratio can be applied as an element for the estimation, peak discharge for the design of various hydraulics structures which can be concidented with meteorological and topographical condition. The obtained through this study were analyzed as follows. 1.It was found that the magnitude of runoff ratio depends on the amount of rainfall for all studying basins. 2.Empirical formulas 'for the runoff' ratio were derivated as 1- 2,707 Rt0.345, 1-1.691 Rt0.242 and 1-1.807 Rt0.227 at Dan Yang, Chung Ju and Yeo Ju watershed, respectively. 3.The magnitude of runoff ratio was appeared in the order of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle and lower portion of Nam Han rivet basin, respectively. 4.It was assumed that in general the more it rains, the lesser becomes the ratio of loss rainfall. Especially, the ratio of loss rainfall for Dan Yang, upper portion of river basin was shown as the lowest among three watersheds. Besides, the magnitude of that was appeared in the order of Chung Ju and Yeo Ju watershed located at middle, and lower part of river basin, respectively. 5.Relative and standard errors of runoff ratio calculated by empirical formulas were shown to be within ten percent to the observed runoff ratio in all watersheds. 6.It is urgently essential that the effect of antecedent rainfall have an influence on the next coming flood should be studied in near future.
당뇨병 환자의 혈당치 측정을 위한 다층 젤라틴 필름을 이용한 진단막의 제조에 관한 기초연구
권석기,음성진 한국막학회 1998 멤브레인 Vol.8 No.1
혈중 글루코우즈의 농도를 측정하기 위한 진단막의 제조를 위해 다층 젤라틴 필름이 사용되었다. 혈당치를 얻기위해 glucose dehydrogenase와 diaphorase를 이용하여 다층 젤라틴 필름을 통과하는 글루코우즈의 확산속도를 측정하였다. 글루코우즈의 최대 확산속도에 미치는 코팅의 간격거리, 효소의 양, 필름의 두께, 그리고 외부 온도의 영향에 대해 조사하였다. Multi-layered gelatin films were used for the preparation of diagnostic membranes to measure blood glucose concentration. Diffusion rates of glucose through multi-layer gelatin films were monitored to obtain blood-glucose level by using glucose dehydrogenase and diaphorase. The effects of coating edge distance, enzyme quantities, film thickness, and outside temperature on the maximum diffusion rates of glucose were examined.
홍수유출률(洪水流出率)에 관한 수문학적(水文學的) 고찰(考察)
이순혁 ( Lee Soon Hyuk ),음성진 ( Eum Seong Jin ),박명근 ( Park Myeong Keun ) 한국농공학회 1985 韓國農工學會誌 : 전원과 자원 Vol.27 No.4
This study was attempted to derivate empirical formulas for the runoff: ratio during ilood season at three watersheds of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle, and lower portion of Nam Han river basin, respectively. Obtained formulas for flood runoff ratio can be applied as an element for the estimation, peak discharge for the design of various hydraulics structures which can be concidented with meteorological and topographical condition. The obtained through this study were analyzed as follows. 1. It was found that the magnitude of runoff ratio depends on the amount of rainfall for all studying basins. 2. Empirical formulas 'for the runoff' ratio were derivated as 1-, 1- and 1- at Dan Yang, Chung Ju and Yeo Ju watershed, respectively. 3. The magnitude of runoff ratio was appeared in the order of Dan Yang, Chung Ju, and Yeo Ju are located at upper, middle and lower portion of Nam Han river basin, respectively. 4. It was assumed that in general the more it rains, the lesser becomes the ratio of loss rainfall. Especially, the ratio of loss rainfall for Dan Yang, upper portion of river basin was shown as the lowest among three watersheds. Besides, the magnitude of that was appeared in the order of Chung Ju and Yeo Ju watershed located at middle, and lower part of river basin, respectively. 5. Relative and standard errors of runoff ratio calculated by empirical formulas were shown to be within ten percent to the observed runoff ratio in all watersheds. 6. It is urgently essential that the effect of antecedent rainfall have an influence on the next coming flood should be studied in near future.