Výsledky vyhledávání - "Hitoshi KAMETANI"

Akademický článek

Development of a dissolved oxygen improvement system for dam lake

Autor: Hitoshi KAMETANI, Katsuaki HORIE, Noriaki KOUDA, Hideki KUMA, Kousuke MATSUMOTO, Kazuhiro UCHIMURA, Kenichi KOMORI, Singo MASUKI, Hirohito AZUMA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 853, Pp 17-00147-17-00147 (2017)

Lower to middle tier regions of dam reservoirs often fall into the anoxic states in summer. When the anoxic state is reached, living things die, heavy metals such as manganese and iron, hydrogen sulfide and methane are eluted from mud deposited on th

Externí odkaz: https://doaj.org/article/7235aa7a3ee94be48f8fd93e56f4be41

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Akademický článek

Development of underwater sludge boundary detector using gamma ray

Autor: Hitoshi KAMETANI

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 848, Pp 16-00508-16-00508 (2017)

In recent years, water quality deterioration at the bottom layer of the lakes and dam lakes becomes a problem. Water quality deterioration is caused by the decrease in concentration of dissolved oxygen at the bottom of a lake. In order to prevent wat

Externí odkaz: https://doaj.org/article/909aed3c541248f59fe044e89560992c

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Akademický článek

Research on the development of sorting device for quality inspection of corbicula shell

Autor: Hitoshi KAMETANI, Kazuhiro UCHIMURA, Takanori HINO, Tsuyoshi YAMANE

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 847, Pp 16-00493-16-00493 (2017)

In general, manual sorting carries out for the quality inspection of corbicula shells prior to shipment. The inspection worker drops each corbicula shells on the concrete floor, and a shell is assessed as good or bad by the sound of collision with fl

Externí odkaz: https://doaj.org/article/ea93cb4132064d3f925869119327f613

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