Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Tetsuya Sanada"'
Autor:
Ryohei Yamada, Masahiro Hosoda, Tomomi Tabe, Yuki Tamakuma, Takahito Suzuki, Kevin Kelleher, Takakiyo Tsujiguchi, Yoshiki Tateyama, Eka Djatnika Nugraha, Anna Okano, Yuki Narumi, Chutima Kranrod, Hirofumi Tazoe, Kazuki Iwaoka, Yumi Yasuoka, Naofumi Akata, Tetsuya Sanada, Shinji Tokonami
Publikováno v:
International Journal of Environmental Research and Public Health; Volume 19; Issue 3; Pages: 1758
International Journal of Environmental Research and Public Health, Vol 19, Iss 1758, p 1758 (2022)
International Journal of Environmental Research and Public Health, Vol 19, Iss 1758, p 1758 (2022)
222Rn and 226Ra concentrations of less than a few to several thousands of Bq L−1 have been observed in several underground bodies of water around the world. Although regulations for these concentrations in water have been implemented internationall
Autor:
Masahiro Tanaka, Shunya Nakasone, Akinobu Ishimine, Hideki Kakiuchi, Masahide Furukawa, Naofumi Akata, Yoshitaka Shiroma, Tetsuya Sanada, Y Ishizu
Publikováno v:
Radiation Protection Dosimetry. 184:334-337
To obtain a better understanding of recent tritium concentration and its seasonal cycle in Japan, monthly precipitation samples were collected in Hokkaido, Gifu and Okinawa prefectures from June 2014 to December 2017. The arithmetic mean ( ± standar
Autor:
Tetsuya Sanada
Publikováno v:
International Journal of Environmental Research and Public Health
Volume 18
Issue 3
International Journal of Environmental Research and Public Health, Vol 18, Iss 1299, p 1299 (2021)
Volume 18
Issue 3
International Journal of Environmental Research and Public Health, Vol 18, Iss 1299, p 1299 (2021)
As part of a nationwide survey of thoron (220Rn) in Japan, the indoor 220Rn gas concentrations in 940 dwellings were measured throughout one year, from 1993 to 1996, using a passive type 222Rn-220Rn discriminative monitor. The monitor was placed in a
Autor:
Masahide Furukawa, Masahiro Hosoda, Yasutaka Omori, Fumiaki Takahashi, Tetsuya Sanada, Koji Ono, Shigekazu Hirao
Publikováno v:
Journal of radiological protection : official journal of the Society for Radiological Protection. 40(3)
The radiation doses from natural radiation sources in Japan are reviewed using the latest knowledge. The United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) and the Nuclear Safety Research Association report the annual ef
Autor:
Naoyuki Kurita, Masahiro Tanaka, Maksym Gusyev, Hideki Kakiuchi, Tibor Kovács, Naofumi Akata, Masahide Furukawa, Miklós Hegedűs, Yoshio Ishikawa, Tetsuya Sanada
Publikováno v:
Fusion Engineering and Design. 168:112434
The aim of this study is to measure tritium concentrations, δ2H, δ18O and ion concentration in monthly precipitation collected at Sapporo, the northern part of Japan and to understand the regional precipitation chemistry. Tritium concentrations of
Autor:
Rolf Michel, M. Fournier, R. Ameon, S. Brun, A. Bombard, L. Thomas, Margarita Herranz, Takahiro Yamada, Simon Jerome, Maurizio Forte, D. Porterfield, S. Judge, Tetsuya Sanada, F. Byrde, A. Ratsirahonana, Shinji Tokonami, M. Llaurado, Martin Jiránek, S. B. Kim, D. Calmet, A. Husain, T. Haug, Jing Chen, P. Kwakman, J. Loyen, A. Tsapalov, A. Fronka, Ch. Schuler, A. Richards, Kateřina Rovenská, J.-M. Duda
Publikováno v:
Radiation Protection Dosimetry. 173:55-62
Radiological protection is a matter of concern for members of the public and thus national authorities are more likely to trust the quality of radioactivity data provided by accredited laboratories using common standards. Normative approach based on
Autor:
Masaru Yamaguchi, Shinji Yoshinaga, Eka Djatnika Nugraha, Masahide Furukawa, Yuki Tamakuma, Ryohei Yamada, Eko Pudjadi, Chanis Pornnumpa Rattanapongs, Kusdiana, Naofumi Akata, Tomisato Miura, Ikuo Kashiwakura, Kevin Kelleher, Shinji Tokonami, Dadong Iskandar, Michiya Sasaki, Takahito Suzuki, Masahiro Hosoda, Tetsuya Sanada, Kazuki Iwaoka
Publikováno v:
Science of The Total Environment. 750:142346
The biological effects of low dose-rate radiation exposures on humans remains unknown. In fact, the Japanese nation still struggles with this issue after the Fukushima Dai-ichi Nuclear Power Plant accident. Recently, we have found a unique area in In
Autor:
Hiroyuki Nagahama, Takahiro Mukai, Kazuhito Kubota, Yoshimi Homma, Tetsuya Sanada, Yasutaka Omori, Jun Muto, Toshiyuki Suzuki, Yuka Kobayashi, Yumi Yasuoka, Hayato Ihara
Publikováno v:
Journal of Environmental Radioactivity. 146:110-118
Anomalous atmospheric variations in radon related to earthquakes have been observed in hourly exhaust-monitoring data from radioisotope institutes in Japan. The extraction of seismic anomalous radon variations would be greatly aided by understanding
Autor:
Tetsuya SANADA, Atsuyuki SORIMACHI
Publikováno v:
Japanese Journal of Health Physics. 50:227-232
Publikováno v:
Journal of Nuclear Science and Technology. 51:712-719
Atmospheric 85Kr and 133Xe activity concentrations were determined from weekly air samples collected at Sapporo, Akita and Chiba, Japan, throughout 2011. The results demonstrated that the Fukushima Dai-ichi Nuclear Power Plant accident in early March