Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Masanori Takeyasu"'
Autor:
Masanori Takeyasu, Minoru Takeishi
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 1, Pp 20-25 (2010)
The gaseous 222Rn concentration at the level of clouds was estimated by using the wet scavenging model of its decay products with the observed data of environmental radiation at the ground. And the origin of the 222Rn was also discussed. The estimati
Externí odkaz:
https://doaj.org/article/30e7e393815a4b089729733b95ddf634
Autor:
Shuichi Sumiya, Masanori Takeyasu
Publikováno v:
Progress in Nuclear Science and Technology. 4:64-67
On the basis of environmental radiation monitoring results at the Nuclear Fuel Cycle Engineering Laboratories, Japan Atomic Energy Agency, following the Fukushima Dai-ichi Nuclear Power Plant accident, the dry deposition velocities of radionuclides o
Publikováno v:
Japanese Journal of Health Physics. 48:141-149
Autor:
Masanori Takeyasu, Akira Nakada, Sadaaki Furuta, Masanao Nakano, Hiroki Fujita, Hitoshi Watanabe, Shuichi Sumiya
Publikováno v:
Journal of Nuclear Science and Technology. 49:281-286
In response to the accident at the Fukushima Daiichi Nuclear Power Plant, emergency monitoring of the environmental radiation was performed at the Nuclear Fuel Cycle Engineering Laboratories (NCL), Japan Atomic Energy Agency (JAEA). This article desc
Autor:
Masamitsu Sugai, Masanori Takeyasu, Toshimitsu Onuma, Masato Morisawa, Tomoko Mizutani, Hajime Watanabe, Shuichi Sumiya
Publikováno v:
Progress in Nuclear Science and Technology. 1:380-383
The Nuclear Fuel Cycle Engineering Laboratories (NCL), JAEA operates the Tokai Reprocessing Plant (TRP), plutonium fuel fabrication facilities and the supplemental facilities. In the terrestrial environment, environmental gamma-ray dose rate was meas
Autor:
Minoru Takeishi, Masanori Takeyasu
Publikováno v:
Asian Journal of Atmospheric Environment, Vol 4, Iss 1, Pp 20-25 (2010)
The gaseous ²²²Rn concentration at the level of clouds was estimated by using the wet scavenging model of its decay products with the observed data of environmental radiation at the ground. And the origin of the 222Rn was also discussed. The estim
Autor:
Masanori Takeyasu, Yasuko Yoshioka, Yoshimitsu Nagao, Syuji Kitaike, Chiyo Yamamoto, M. Nakao, Shigeki Sano
Publikováno v:
The Open Organic Chemistry Journal. 3:22-34
A series of (R)-N-Cbz-2-alkyl-2-amino-3-hydroxypropyl acetates was prepared by enzymatic acetylation of N- Cbz-2-alkyl-2-aminopropane-1,3-diols with immobilized lipoprotein lipase from Pseudomonas sp. in up to 98% enanti- omeric excess (ee). Enantiod
Publikováno v:
Letters in Organic Chemistry. 3:764-767
Publikováno v:
RADIOISOTOPES. 55:197-203
From the measurement result of the239, 240Pu and 241Am concentration in marine products collected offshore Tokai-mura from 1987 to 2004, the concentration factors (CFs) for Pu and Am were calculated and compared with the past CFs. The present CFs of
Publikováno v:
Japanese Journal of Health Physics. 39:382-390
A computer code system has been developed to evaluate the environmental radiological impact of accidental releases of radionuclides from a nuclear facility in real time. The system is based on a three-dimensional mass-conserving wind field model and