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모니터링기술을 적용한 태양광/풍력 복합발전시스템의 운전특성에 관한 연구
윤필현(Phil-Hyun Yoon),박세준(Se-Jun Park),윤정필(Jeong-Phil Yoon),조경재(Kyeng-Jai Jo),차인수(In-Su Cha) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
Photovoltaic energy and wind energy are highly dependent on the season, time and extremely intermittent energy sources. Because of these reasons, in view of the reliability the photovoltaic and the windpower generation system have many problems(energy conversion, energy storage, load control etc.) comparing with conventional power plant. In order to solve these existing problems, hybrid generation system composed of photovoltaic(500W) and wind power system(400W) was suggested. But, hybrid generation system cannot always generate stable output due to the varying weather condition. So, the auxiliary power compensation unit that uses elastic energy of spiral spring was added to hybrid generation system for the present study. It was partly confirmed that hybrid generation system was generated a stable outputs by spiral spring was continuously provided to load.
Regulatory Effects of Samul-tang on Axonal Recovery after Spinal Cord Injury in Rats
Lee, Ki-Tae,Kim, Yoon-Sik,Ryu, Ho-Ryong,Jo, Hyun-Kyeng,An, Jung-Jo,Namgung, Uk,Seol, In-Chan The Physiological Society of Korean Medicine and T 2006 동의생리병리학회지 Vol.20 No.5
In oriental medicine, Samul-tang (SMT) has been used for the treatment of cardiovascular diseases and neuronal disorders. Here, possible effects of SMT on axonal regeneration after the spinal cord injury were examined. SMT treatment induced increases in regeneration-related proteins GAP-43, cell division cycle 2 (Cdc2) and phospho-Erk1/2 in the peripheral sciatic nerves after crush injury. Increased levels of Cdc2 and phospho-Erk1/2 were observe mostly in the gray matter area and some in the dorsomedial white matter. These increases correlated with increased cell numbers in affected areas. Moreover, axons of corticospinal tract (CST) showed increased sprouting in the injured spinal cord when administrated with SMT compared with saline-treated control. Thus, the present data indicate that SMT may be useful for identifying active components and for therapeutic application toward the treatment of spinal cord disorders after injury.