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Wakaida, Ikuo; Oba, Hironori; Miyabe, Masabumi; Akaoka, Katsuaki; Oba, Masaki; Tamura, Koji; Saeki, Morihisa
Kogaku, 48(1), p.13 - 20, 2019/01
By Laser Induced Breakdown Spectroscopy and by related resonance spectroscopy, elemental and isotope analysis of Uranium and Plutonium for nuclear fuel materials and in-situ remote analysis under strong radiation condition for melt downed nuclear fuel debris at damaged core in "Fukushima Daiichi Nuclear Power Station", are introduced and performed as one of the application in atomic energy research field.
Sanada, Yukihisa
Kogaku, 45(8), p.300 - 305, 2016/08
For the purpose of environmental radiation measurement, decontamination effect and detection of leakage of radionuclide plastic scintillation fiber (PSF) had been used for the wide area as technique to measure radiation distribution quickly after the Fukushima Daiichi Nuclear Power Plant accident that occurred in March, 2011. The PSF can easily measure radiation distribution due to position sensing of radiation source. The PSF was used for the measurement before and after the decontamination by considering features that PSF obtained many point data at one time. The PSF was used for the measurement of radiocesium concentration in sediment of irrigation pond by considering features that PSF has high water resistance. This paper described the principle of PSF and the application example after the accident at the Fukushima Daiichi Nuclear Power Plant.
Oka, Kiyoshi; Seki, Takeshi; Akatsu, Tomohiro
Kogaku, 41(11), p.576 - 578, 2012/11
no abstracts in English
Kotaki, Hideyuki; Daito, Izuru; Kando, Masaki; Hayashi, Yukio; Daido, Hiroyuki; Bulanov, S. V.
Kogaku, 37(11), p.651 - 653, 2008/11
no abstracts in English
Kondo, Kiminori
Kogaku, 37(11), p.648 - 650, 2008/11
By the development of ultrafast optical technology, the controllable visible optical pulse can be shorter than 10 femtosecond. By applying this technology to the plasma diagnostics, ultrafast dynamics of the oscillation of electron plasma wave could be observed. The measurement of the dynamics of electron plasma wave with frequency domain interferometry is introduced.
Koike, Masato
X-sen Ketsuzo Kogaku Nyuzu Reta, (23), p.3 - 4, 2006/03
no abstracts in English
Koike, Masato
Saishin Kogaku Gijutsu Handobukku, p.284 - 287, 2002/09
no abstracts in English
Kato, Yoshiaki
Kogaku, 29(5), p.279 - 286, 2001/05
no abstracts in English
Koike, Masato
X-sen Ketsuzo Kogaku Nyuzu Reta, (9), p.1 - 2, 1999/02
no abstracts in English
Kaetsu, Isao; ; Yoshida, Kenzo; *; *; *
Kogaku, 9(6), p.326 - 330, 1981/00
no abstracts in English
Kaetsu, Isao
Kogaku Gijutsu Kontakuto, 17(7), p.31 - 40, 1979/00
no abstracts in English
