Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Yasutaka, Omori"'
Autor:
Manaya Taoka, Rui Kudo, Ryohei Yamada, Yasutaka Omori, Kazutaka Tanaka, Masahiro Hosoda, Shinji Tokonami
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 288, Iss , Pp 117394- (2024)
The radiation dose reduction factor represents a building’s shielding capability against radiation in scenarios of potential nuclear accidents. Notably, the radiation dose reduction for school buildings and gymnasiums have not yet been determined,
Externí odkaz:
https://doaj.org/article/5bbd330bdb2c4d51b40b8f54222e7e67
Autor:
Fayette Kitcha Sime, Dieu Souffit Gondji, Ilsa Rosianna, Eka Djatnika Nugraha, Oumar Bobbo Modibo, Chutima Kranrod, Yasutaka Omori, Naofumi Akata, Masahiro Hosoda, Saïdou, Shinji Tokonami
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10538 (2024)
This study evaluates the concentrations of trace elements (TEs) in soils from the rutile deposit area of Akonolinga, Cameroon, and analyzes the associated health risks. A total of 25 samples were analyzed using flame atomic absorption spectrometry (F
Externí odkaz:
https://doaj.org/article/e1dc47d37c504a95b281194373853f9e
Autor:
Yerlan Kashkinbayev, Meirat Bakhtin, Polat Kazymbet, Anel Lesbek, Baglan Kazhiyakhmetova, Masaharu Hoshi, Nursulu Altaeva, Yasutaka Omori, Shinji Tokonami, Hitoshi Sato, Danara Ibrayeva
Publikováno v:
Atmosphere, Vol 15, Iss 9, p 1067 (2024)
The radon concentration activity in buildings is influenced by various factors, including meteorological elements like temperature, pressure, and precipitation, which are recognized as significant influencers. The fluctuations of indoor radon in prem
Externí odkaz:
https://doaj.org/article/6dc8d6155e074d72bec13a6ac72de3ff
Autor:
Ilsa Rosianna, Eka Djatnika Nugraha, Hirofumi Tazoe, Heri Syaeful, Adi Gunawan Muhammad, I Gde Sukadana, Frederikus Dian Indrastomo, Ngadenin, Fadiah Pratiwi, Agus Sumaryanto, Sucipta, Hendra Adhi Pratama, Deni Mustika, Leli Nirwani, Nurokhim, Yasutaka Omori, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Publikováno v:
Geosciences, Vol 13, Iss 12, p 388 (2023)
Mamuju is an area of high natural radiation in Indonesia with high natural radiation levels (average 613 nSv h−1). Mamuju is anomalous due to its high average 238U and 232Th concentrations of 22,882 and 33,549 Bq kg−1, respectively, in laterite a
Externí odkaz:
https://doaj.org/article/7408a95a85c24b9fa617c6d0d6403c90
Autor:
Atangana Bingana Martin Serge, Takoukam Soh Serge Didier, Bineng Guillaume Samuel, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Saïdou, Shinji Tokonami
Publikováno v:
Atmosphere, Vol 14, Iss 12, p 1708 (2023)
Indoor radon, thoron and thoron progeny concentrations, along with the equilibrium factor for thoron progeny and soil gas radon concentrations, have been measured to assess radiological risks in the centre and south regions of Cameroon. Indoor radon
Externí odkaz:
https://doaj.org/article/96594d18fcbf45d09ed9788cb7fc2e63
Autor:
Shiro Sugiura, Yasuchika Aoki, Takeshi Toyooka, Tetsuo Shiga, Takato Oyama, Tohru Ishizaki, Yasutaka Omori, Yasumi Kiguchi, Akito Takata, Tetsuya Otsuki, Ayako Kote, Yukio Matsushita, Yuzuru Okamoto, Seiji Ohtori, Satoru Nishikawa
Publikováno v:
Spine Surgery and Related Research, Vol 5, Iss 6, Pp 412-417 (2021)
Introduction: This study aimed to elucidate low-back pain (LBP) characteristics, i.e., its qualities, extent, and location, in patients with early-stage spondylolysis (ESS). Methods: We recruited patients (18 years old) who presented with acute LBP l
Externí odkaz:
https://doaj.org/article/56a7dd89e3ab4e53825c7296579af83c
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract The presence of anomalous geochemical changes related to earthquakes has been controversial despite widespread, long time challenges for earthquake prediction. Establishing a quantitative relationship among geochemical changes and geodetical
Externí odkaz:
https://doaj.org/article/cbc7c12eeb894746a54fde824fc77382
Autor:
Masahiro Hosoda, Ryohei Yamada, Hiromu Kobyashi, Yuki Tamakuma, Eka Djatnika Nugraha, Hiroki Hashimoto, Ryoju Negami, Chutima Kranrod, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Shinji Tokonami
Publikováno v:
Radiation Protection Dosimetry. 198:904-908
Researchers have used various methods to obtain the exhalation rates of radon and thoron from soil and building materials. One of the typical methods for radon exhalation rate is the circulation method using an accumulation container, an external or
Autor:
Shinji Tokonami, Chutima Kranrod, Polat Kazymbet, Yasutaka Omori, Meirat Bakhtin, Worawat Poltabtim, Saowarak Musikawan, Radhia Pradana, Yerlan Kashkinbayev, Kassym Zhumadilov, Ainur Pirmanova, Moldir Aumalikova, Zhantore Isa, Aya Sakaguchi, Hitoshi Sato, Masaharu Hoshi
Publikováno v:
Journal of Radiological Protection.
A pilot study was carried out to measure indoor radon concentrations in a uranium mining area of northern Kazakstan. A total of 80 places at kindergartens, elementary schools, and dwellings were selected in Aqsu village and Astana city as the uranium
Autor:
Radhia Pradana, Eka Djatnika Nugraha, Wahyudi Wahyudi, Untara Untara, Muji Wiyono, Ade Devriany, Sharah Nataz Shilfa, Michiya Sasaki, Heru Prasetio, Ilma Dwi Winarni, Egnes Ekaranti, Nunung Nuraeni, Chutima Kranrod, Dadong Iskandar, Gatot Suhariyono, Harry Nugroho Eko Surniyantoro, Makhsun Makhsun, Susilo Widodo, Yasutaka Omori, Eri Hiswara, Masahiro Hosoda, Shinji Yoshinaga, Shinji Tokonami
Bangka Island with a history of more than 200 years of tin mining, has brought along the byproduct of heavy minerals which contain radionuclide elements. There are some concerns about this byproduct material contributing to natural radiation in the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a566b7b15ca3d85c493477cf265f6cbf
https://doi.org/10.21203/rs.3.rs-2787202/v1
https://doi.org/10.21203/rs.3.rs-2787202/v1