論文 - 床次 眞司
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222Rn exhalation rate from Egyptian building materials using active and passive methods
N. M. Hassan, M. Hosoda, T. Ishikawa, S. Tokonami, M. Fukushi
Japanese Journal of Health Physics 44 ( 1 ) 106 - 111 2009年03月
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Characterization of airborne radon released by domestic showering and the use of a washing machine
T. Ishikawa, Y. Yasuoka, S. Tokonami, H. Takahashi, H. Suda
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 279 ( 3 ) 719 - 724 2009年03月
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Generation and control of thoron emanated from lantern mantles
A. Sorimachi, S. K. Sahoo, S. Tokonami
Review of Scientific Instruments 80 ( 1 ) 015104-1 - 015104-4 2009年01月
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Radiation dose of workers originating from radon in the show cave of Tapolca, Hungary
J. Somlai, S. Gabor, P. Szabo, A. Varhegyi, S. Tokonami, T. Ishikawa, A. Sorimachi, S. Yoshinaga, T. Kovacs
Journal of Radioanalytical and Nuclear Chemistry 279 ( 1 ) 219 - 225 2009年01月
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Influence of the presence of humidity, ambient aerosols and thoron on the detection responses of electret radon monitors.
A. Sorimachi, H. Takahashi, S. Tokonami
Radiation Measurements 44 ( 1 ) 111 - 115 2009年01月
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Isotopic composition of Uranium in soil and ground water samples collected around 30 km Chernobyl Exclusion Zone
S. K. Sahoo, S. Yoshida, S. Tokonami, H. Yonehara et.al
Radioprotection 44 ( 5 ) 785 - 790 2009年01月
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Experimental system to evaluate the effective diffusion coefficient of radon
M. Hosoda, S. Tokonami, A. Sorimachi, J. Miroslaw, T. Ishikawa, Y. Yatabe, J. Yamada, S. Uchida
Review of Scientific Instruments 80 ( 1 ) 013501 2009年01月
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A simple technique for determining the equilibrium equivalent Thoron concentration using a CR-39 detector: Application in mineral treatment industry
C. Kranrod, S. Chanyotha, N. Chankow, S. Tokonami, T. Ishikawa, S. K. Sahoo
Radioprotection 44 ( 5 ) 301 - 304 2009年
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Passive measurements of thoron and its progeny in some dwellings in Ireland
Choncubhair Ó.N., Mc Laughlin J., Tokonami S
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 16 - 19 2008年09月
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Radon in drinking water and cancer mortality: an ecological study in Japan
Yoshinaga, S., Ishikawa, T., Tokonami, S., Mizoue T., Narazaki, Y., Mizuno, S., Akiba, S.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 429 - 432 2008年09月
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Evaluation of gas-filled ionization chamber method for radon measurement at two reference facilities
Ishikawa T., Tokonami S., Kobayashi Y., Sorimachi A., Yatabe Y., Miyahara N.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 423 - 426 2008年09月
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Performance of NIRS thoron chamber system
Sorimachi A., Tokonami S., Takahashi H., Kobayashi Y.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 206 - 209 2008年09月
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The Japanese radon and thoron reference chambers
Tokonami S., Ishikawa T., Sorimachi A., Takahashi H., Miyahara N.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 202 - 205 2008年09月
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Measurement of indoor radon-222 and radon-220 concentrations in central Japan
Oka M., Shimo M., Tokonami S., Sorimachi A., Takahashi H., Ishikawa T.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 189 - 192 2008年09月
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Preliminary results of indoor radon/thoron concentrations and terrestrial gamma doses in Gejiu, Yunnan, China
Ishikawa T., Tokonami S., Sun Q., Kobayashi Y., Min X., Yoshinaga S.
The American Institute of Physics (AIP) Conference Proceedings Series ( 1034 ) 173 - 176 2008年09月
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Preliminary results of simultaneous radon and thoron tests in Ottawa
Chen, J., Tokonami, S., Sorimachi, A., Takahashi, H., Falcomer, R.
Radiation Protection Dosimetry 130 ( 2 ) 253 - 256 2008年01月
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A case study on the effect of water from groundwater sources on indoor radon levels.”
Yumi Yasuoka, Tetsuo Ishikawa, Shinji Tokonami, Hiroyuki Takahashi, Yukinori Narazaki, Masaki Shinogi
Journal of Radioanalytical and Nuclear Chemistry 275 ( 1 ) 165 - 172 2008年01月
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Determination of depleted uranium in environmental bio-monitor samples and soil from target sites in western Balkan region
Sarata K. Sahoo, Hiroko Enomoto, Shinji Tokonami, Tetsuo Ishikawa, Predrag Ujic, Igor Celikovic, Zora S. Zunic
NATURAL RADIATION ENVIRONMENT 1034 287 - + 2008年
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210Po and 210Pb inhalation dose by cigarette smoking in Gansu and Yunnan Provices, China
Tokonami, S., Kovacs, T., Yoshinaga, S., Kobayashi, Y. and Ishikawa, T
Japanese journal of Health Physics 43 ( 2 ) 131 - 134 2008年
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Calculation of dose conversion factors for thoron decay products.
Ishikawa T, Tokonami S, Nemeth C
Journal of radiological protection : official journal of the Society for Radiological Protection 27 ( 4 ) 447 - 456 2007年12月