Search Results - "Ochi, Kotaro"

Evaluation of physicochemical properties of radioactive cesium in municipal solid waste incineration fly ash by particle size classification and leaching tests by Fujii, Kengo, Ochi, Kotaro, Ohbuchi, Atsushi, Koike, Yuya

“…After the Fukushima Daiichi-Nuclear Power Plant accident, environmental recovery was a major issue because a considerable amount of municipal solid waste…”
Get full text

Evaluation of ecological half-life of dose rate based on airborne radiation monitoring following the Fukushima Dai-ichi nuclear power plant accident by Sanada, Yukihisa, Urabe, Yoshimi, Sasaki, Miyuki, Ochi, Kotaro, Torii, Tatsuo

“…Airborne radiation monitoring was conducted in order to evaluate the influence of radionuclides emitted by the Fukushima Daiichi Nuclear Power Plant (FDNPP)…”
Get full text

Development of an Analytical Method for Estimating Three-Dimensional Distribution of Sediment-Associated Radiocesium at a Reservoir Bottom by Ochi, Kotaro, Urabe, Yoshimi, Yamada, Tsutomu, Sanada, Yukihisa

“…After the Fukushima Daiichi Nuclear Power Station accident, the distributions of sediment-associated radiocesium were investigated to evaluate the dispersion…”
Get full text

Evaluation of ecological half-life of dose rate based on airborne radiation monitoring following the Fukushima Dai-ichi nuclear power plant accident by Sanada, Yukihisa, Urabe, Yoshimi, Sasaki, Miyuki, Ochi, Kotaro, Torii, Tatsuo

“…Airborne radiation monitoring was conducted in order to evaluate the influence of radionuclides emitted by the Fukushima Daiichi Nuclear Power Plant (FDNPP)…”
Get full text

Validation study of ambient dose equivalent conversion coefficients for radiocaesium distributed in the ground: lessons from the Fukushima Daiichi Nuclear Power Station accident by Ochi, Kotaro, Funaki, Hironori, Yoshimura, Kazuya, Iimoto, Takeshi, Matsuda, Norihiro, Sanada, Yukihisa

“…Ambient dose equivalent conversion coefficients (ADC RCs ) for converting a radiocaesium inventory to ambient dose equivalent rates (air dose rates) depend on…”
Get full text

The Effect and Effectiveness of Decontaminating a Pond in a Residential Area of Fukushima by Katengeza, Estiner Walusungu, Ochi, Kotaro, Sanada, Yukihisa, Iimoto, Takeshi, Yoshinaga, Shinji

“…Special reconstruction and revitalization bases were designated in Fukushima's difficult-to-return zone by the Japanese government as targets of intensive…”
Get full text

Optimizing calibration factors of plastic scintillation fibers for improved accuracy of in situ radiocesium concentration measurements in bottom sediments of agricultural ponds by Katengeza, Estiner W., Sanada, Yukihisa, Ochi, Kotaro, Iimoto, Takeshi

“…AbstractThe uncertainty of in situ radioactivity measurements can be influenced by the depth of sediment sampled by the spectrometer and the vertical…”
Get full text

Joint Environmental Radiation Survey by JAEA and KAERI Around the Fukushima Daiichi Nuclear Power Plant: Performance of Mobile Gamma-Ray Spectrometry Using Backpack and Carborne Survey Platforms by Ji, Young-Yong, Ochi, Kotaro, Hong, Sang Bum, Nakama, Shigeo, Sanada, Yukihisa, Mikami, Satoshi

“…According to the implementing arrangement between the Japan Atomic Energy Agency (JAEA) and the Korea Atomic Energy Research Institute (KAERI) in the field of…”
Get full text

Comparative Study of Radiation Mapping Technologies for Nuclear Disaster Assessment by Ochi, Kotaro, Barker, Evelyne, Nakama, Shigeo, Gleizes, Marc, Manach, Erwan, Faure, Vincent, Sanada, Yukihisa

“…The distribution of the ambient dose equivalent rate (i.e., air dose rate) after a nuclear disaster is crucial for zoning contaminated areas to facilitate…”
Get full text

Correction to: Validation study of ambient dose equivalent conversion coefficients for radiocaesium distributed in the ground: lessons from the Fukushima Daiichi Nuclear Power Station accident by Ochi, Kotaro, Funaki, Hironori, Yoshimura, Kazuya, Iimoto, Takeshi, Matsuda, Norihiro, Sanada, Yukihisa

Get full text

Performance of in situ gamma-ray spectrometry in the assessment of radioactive cesium deposition around the Fukushima Daiichi nuclear power plant by Ji, Young-Yong, Ochi, Kotaro, Hong, Sang Bum, Nakama, Shigeo, Sanada, Yukihisa, Mikami, Satoshi

“…In situ gamma-ray spectrometry using diverse survey platforms has been conducted in contaminated areas with various dose rate levels around the Fukushima…”
Get full text

The Caloric Test Is More Consistent With the Presence of Endolymphatic Hydrops Than the Vestibular-Evoked Myogenic Potential Test in Meniere's Disease by Tanaka, Toshitake, Ushio, Munetaka, Terada, Hitoshi, Takanami, Taro, Kan, Seikei, Masuda, Hiroaki, Ochi, Kotaro, Ikeda, Hitomi, Yoshino, Ryosuke, Ohta, Yasushi

“…Objective This study aimed to investigate the correlation between enhanced inner ear magnetic resonance imaging (MRI) findings and vestibular and cochlear…”
Get full text

Estimation of the Vertical Distribution of Radiocesium in Soil on the Basis of the Characteristics of Gamma-Ray Spectra Obtained via Aerial Radiation Monitoring Using an Unmanned Helicopter by Ochi, Kotaro, Sasaki, Miyuki, Ishida, Mutsushi, Hamamoto, Shoichiro, Nishimura, Taku, Sanada, Yukihisa

“…After the Fukushima Daiichi Nuclear Power Plant accident, the vertical distribution of radiocesium in soil has been investigated to better understand the…”
Get full text

Approaches for cesium uptake by vermiculite by Suzuki, Noriko, Ozawa, Shunsuke, Ochi, Kotaro, Chikuma, Toshiyuki, Watanabe, Yujiro

“…BACKGROUND Expanded vermiculite is widely used in many fields, especially as an ameliorant in agriculture. Although it is known as a cation‐exchanger, in a…”
Get full text

Integrated radiation air dose rate maps over the 80 km radius of the Fukushima Daiichi Nuclear Power Plant and the entire Fukushima Prefecture during 2011–2022 by Sakuma, Kazuyuki, Kurikami, Hiroshi, Wainwright, Haruko, Tanimori, Soichiro, Nagao, Fumiya, Ochi, Kotaro, Sanada, Yukihisa, Saito, Kimiaki

“…In this study, we created integrated radiation air dose rate maps in the Fukushima region during 2011–2022 using airborne, car-borne, and walk surveys and…”
Get full text

Assessment of ambient dose equivalent rate distribution patterns in a forested-rugged terrain using field-measured and modeled dose equivalent rates by Yasumiishi, Misa, Masoudi, Pedram, Nishimura, Taku, Ochi, Kotaro, Ye, Xiang, Aldstadt, Jared, Komissarov, Mikhail

“…Measuring radioactivity in forested mountainous areas is challenging owing to the limited accessibility on foot and the canopy blocking of airborne survey…”
Get full text

Joint Environmental Radiation Survey by JAEA and KAERI Around the Fukushima Daiichi Nuclear Power Plant: Performance of Mobile Gamma-Ray Spectrometry Using Backpack and Carborne Survey Platforms by Ji, Young-Yong, Ochi, Kotaro, Hong, Sang Bum, Nakama, Shigeo, Sanada, Yukihisa, Mikami, Satoshi

Get full text

The Effect and Effectiveness of Decontaminating a Pond in a Residential Area of Fukushima by Katengeza, Estiner Walusungu, Ochi, Kotaro, Sanada, Yukihisa, Iimoto, Takeshi, Yoshinaga, Shinji

Get full text

Approaches for cesium uptake by vermiculite : In Focus: Technologies for Remediation after Fukushima by SUZUKI, Noriko, OZAWA, Shunsuke, OCHI, Kotaro, CHIKUMA, Toshiyuki, WATANABE, Yujiro

Get full text

Simulation analysis of the Compton-to-peak method for quantifying radiocesium deposition quantities by Malins, Alex, Ochi, Kotaro, Machida, Masahiko, Sanada, Yukihisa

“…Proceedings of the Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA+MC 2020), pp 147-154 Compton-to-peak…”
Get full text