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윤지원(Ji-Won Yoon),황선주(Sun-Joo Whang),송익현(Ickhyun Song) 대한전자공학회 2022 대한전자공학회 학술대회 Vol.2022 No.11
In this paper, we present a reconfigurable CMOS rectifier with a function of generating steady output in a relatively wide range of input power. The proposed rectifier consists of 3 CCDD (Cross-Coupled Differential Drive) stages for delivering output power and an auxiliary rectifier for operating logic. Therefore, this circuit has an advantage in that it operates the logic without using an external power source. In addition, the complexity of system configuration can be simplified since the rectifier generates a steady output without using an additional device.
Vanishing Cream의 제조에 있어서 KOH(계면활성제)의 양과 pH, 온도에 대한 연구
이규영,이영윤,정명희,최경해,황선주 梨花女子大學校 藥學硏究所 1978 梨花藥學硏究 Vol.- No.18
In making Vanishing Cream, surface active agents acted between stearic acid and water. In this study, KOH is used as surface active agent. Vanishing cream demanded optimal temperature and pH. Because the cream is used on skin. In this study, the optimal temperature is 75℃ and optimal pH is 6.88.