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Optrode sensor for chemical and physical measurement
Hiroaki Aizawa,Hiroaki Ishizawa,Eiji Toba 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
This paper describes an optrode sensor for chemical and physical measurement and its application to industrial examinations. Among many king of optrode sensors, we have fabricated a temperature, oxygen and pH sensor and characteristics of which was experimentally investigated. Our experimental data shows the optrode sensor for chemical and physical measurement has singular capability as compared with a conventional sensor such as an electrode sensor.
Hiroaki Kato,Takuhiro Shida,Yoshibumi Komeda,Tamao Saito,Atsushi Kato 한국식물학회 2011 Journal of Plant Biology Vol.54 No.3
The protein encoded by the activated disease resistance 1-like1 (ADR1-L1) gene (locus name, At4g33300)belongs to the activated disease resistance 1 (ADR1) family of coiled-coil nucleotide-binding site leucine-rich repeat-type disease resistance proteins. This family contains four proteins and they have specific features in their amino acid sequences. It has been reported that ADR1 protein belongs to the ADR1family, which is related to not only defense response but also drought tolerance. We found that transgenic plants overexpressing the ADR1-L1 gene showed a dwarf phenotype and morphological change in leaves. The expression levels of defense-related genes and the resistance to Pseudomonas syringae pv. tomato DC3000 were increased in transgenic plants. However, enhancement of drought tolerance and activation of abiotic response genes were not observed. When the growth temperature was changed from 22°C to 28°C, the expression of defense-related genes and the enhancement of resistance to a bacterial pathogen were suppressed and the dwarf phenotype and morphological change of leaves recovered.
Hiroaki Tanimatsu,Kenji Yasui,Izuo Hirota,Toshiaki Iwai,Hideki Omori,Katsumi Nishida,Mutsuo Nakaoka 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
This paper presents a two-switch boost-half bridge one stage topology of commercial single-phase utility AC-grid interfaced soft switching pulse modulation high-frequency inverter with active power filtering function, which is more acceptable for consumer IH cooking heater and steamer. The commercial utility AC mains connected boost-half bridge type high-frequency inverter circuit with lossless snubbing capacitors is mainly composed of a single<br/> stage power conversion processing combined by discontinuous<br/> current mode (DCM) PFC power converter due to boost chopper and a constant frequency ZVS-PWM controlled SEPP series resonant high-frequency inverter with induction heated load such as rice cooker, floor heating steamer, and fixing heating drum roller in copy and printer equipment. This two-switch boost-half bridge type one stage power conversion processing includes some advantageous points as simple configuration, low cost, harmonic current reduction with unity power factor, and soft switching operation. Its operating principle is described and discussed herein. In<br/> addition to these, the operating performances of utility AC-HFAC power frequency converter treated here are illustrated on the basis of simulation and experimental results. Its practical effectiveness for consumer IH cooker and hot water producer is proved from an experimental point of view.