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T. Kitabayashi,H. Funato,J. Haruna,Y. Tsuruta,K. Yamaichi 전력전자학회 2015 ICPE(ISPE)논문집 Vol.2015 No.6
The authors have proposed a new capacitive power transfer (CPT) system using one-pulse switching active capacitor (OPSAC). The proposed system improves transfer power without LC resonance so that it is robust against parameter change. The one of advantages of OPSAC is easy realization of cascade connection in order to enhance transfer power. In the past, CPT system with five-stage OPSAC was successfully realized, but the actual transfer power was smaller than theoretical power. In this paper, loss factor is analyzed using precise calculation model. In addition, from the results of loss analysis, it was clarified that the one of the main loss factor is diodes of rectifier so that the system using synchronous rectifier is also proposed for power improvement.
Ohsaki, H.,Okada, M.,Sasazaki, S.,Hinenoya, T.,Sawa, T.,Iwanaga, S.,Tsuruta, H.,Mukai, F.,Mannen, H. Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.5
Differences of meat qualities between Japanese Black and Holstein have been known in Japan, however, the causative proteins and/or the genetic background have been unclear. The aim of this study was to identify candidate proteins causing differences of the meat qualities between the two breeds. Using technique of two-dimensional gel electrophoresis, protein profiling was compared from samples of the longissimus dorsi muscle and subcutaneous adipose tissue. Five protein spots were observed with different expression levels between breeds. By using LC-MS/MS analysis and Mascot program, three of them were identified as ankyrin repeat protein 2, phosphoylated myosin light chain 2 and mimecan protein. Subsequently, we compared the DNA coding sequences of three proteins between breeds to find any nucleotide substitution. However, there was no notable mutation which could affect pI or molecular mass of the proteins. The identified proteins may be responsible for different characteristics of the meat qualities between Japanese Black and Holstein cattle.