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Redundant 십진코드를 이용하여 십진 자리간 Carry 전파를 제거한 십진 Adder 설계
제정민,정태상 대한전기학회 2006 전기학회논문지 D Vol.55 No.11D
- In the adder design, reduction of the delay of the carry propagation or ripple is the most important consideration. Previously, it was introduced that, if a redundant number system is adopted, the carry propagation is completely eliminated, with which addition can be done in a constant time, without regarding to the count of the digits of numbers involved in addition. In this paper, a RBCD(Redundant Binary Coded Decimal) is adopted to code 0 to 11, and an efficient and economic carry-free BCD adder is designed.
Redundant 십진코드를 이용하여 십진 자리간 Carry 전파를 제거한 십진 Adder 설계
諸政玟(Jung-Min Je),鄭台相(Tae-Sang Chung) 대한전기학회 2006 전기학회논문지 D Vol.55 No.11
In the adder design, reduction of the delay of the carry propagation or ripple is the most important consideration. Previously, it was introduced that, if a redundant number system is adopted, the carry propagation is completely eliminated, with which addition can be done in a constant time, without regarding to the count of the digits of numbers involved in addition. In this paper, a RBCD(Redundant Binary Coded Decimal) is adopted to code 0 to 11, and an efficient and economic carry-free BCD adder is designed.
천련자 에탄올 추출물이 Streptozotocin으로 유발된 당뇨 흰쥐에 대한 혈당, 지질대사, 당대사 효소 활성과 항산화 작용에 미치는 영향
김옥경,임희진,제정민,이경미 한국유화학회 2014 한국응용과학기술학회지 Vol.31 No.2
The ethanol extraction yield of Meliae toosendan fructus(MT) was about 24.5% by extract apparatus. This study was done to investigate the carbohydrate metabolism related enzyme activities and antioxidative effects of MT in streptozotocin (STZ)-induced diabetic rats. The contents of serum glucose, triglyceride (TG) were significantly decreaed in MT treated group compared to the those of STZ-control group, also content of Total cholesterol was decreased. High density lipoprotein (HDL)-cholesterol was increased in MT treated group. The activity of glucose-6-pase(G-6-Pase) was significantly decreased in MT treated group. Also the activities of glucose-6-phosphate dehydrogenase(G-6-PDH) and glucokinase(Gk) were increaed in MT treated group. The content of hepatic glycogen was significantly increaed in MT treated group, in addition, content of malondialdehyde(MDA) was significanly decreased in MT treated group. Also, content of glutathione(GSH)was dereased in MT treated froup. whereas, activity of catalase(CAT) was significantly increaed in MT treated group compared to the those of STZ-control group. activity of glutathione peroxidase(GSH-Px) was inecreaed. In conclusion, these results indicated that ethanol extract of MT would have carbohydrate metabolism antioxidative effects in STZ-induced diabetic rats.