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솔라셀을 이용한 그린하우스용 도난 경보 및 자동 온도 유지 관리 시스템
이정일(Jung-Il lee),윤석암(Suk-Am Yoon),윤형상(Hyung-Sang Yoon),최장균(Jang-Gyun Choi),정학수(Hak-Su Jung),윤용선(Yong-Sun Yoon),차인수(In-Su Cha) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
In this paper, we transformed photovoltaic energy to electric energy using solar cells for drive power source and charged 1t with batteries. This system was programmed in a one-chip microprocessor PIC. This system can be available for the greenhouses set at countrysides and suburbs because it keeps the temperature ins1de constant and can also be used as a protection against burglars at the harvesting season. This alarm system detects the intrusion or the variation of rap1d temperature inside of the greenhouse and warns an alarm and turn on and off the siren
인수일 ( Su Il In ) 한국화학공학회 2011 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.49 No.5
Visible light-activated photocatalysts (based on doped titania) are the subject of intensive current research due to the promise they offer in relation to solar powered systems for photocatalysis, hybrid systems for CO2 conversion and hydrogen production from water. Current synthetic methodologies suffer from one or more serious shortcomings, which seriously hinder practical application. These include high cost, irreproducibility, difficulty in controlling the dopant level and unsuitability for scale up. In this review new reproducible and controllable methods (developed by Lambert group, Cambridge University) allowing the synthesis of practical quantities of efficient, visible light active anion (e.g. N, C and B) doped TiO2 photocatalysts are summarized.