Shinsuke Asada

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ABSTRACT It is known that various plants have purification ability for indoor air pollutants. In this paper the purification mechanism of foliage plant was investigated by analyzing bioelectrical potential. It was first shown that the air purification ability of a plant depends on various environmental conditions, especially on light irradiation. It was(More)
A newly IGBT module combined with liquid epoxy resin encapsulation and insulating metal baseplate (IMB) has been developed. IMB is insulating sheet with thick baseplate, and has large mounting area compared to ceramic substrate. The properties of liquid epoxy resin such as glass transition temperature, coefficient of thermal expansion, long-term(More)
This report is concerned on an indoor air purification ability of plant. Bioelectrical potential responses for both d.c. and a.c. electrical signals were analyzed to investigate the purification process for various chemicals such as formaldehyde and VOC (Volatile Organic Compounds). It was first shown that the air purification ability of a plant depends on(More)
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