Development of α-ray visualization survey meter in high gamma and neutron background environment [0.03%]
高γ和中子背景下α射线可视化探测器研发
Youichi Tsubota,Kenji Kobayashi,Tatsuya Ishii et al.
Youichi Tsubota et al.
A survey meter was developed to reliably detect and visualize surface contamination of suits and objects by α-nuclides in high γ/n-rays background radiation environment. The survey meter features a semi-opaque ZnS:Ag scintillator mounted ...
Effect of calcium application on rice ears for suppressing cesium transfer from roots to brown rice [0.03%]
施用钙对减少稻米中铯积累的影响研究
Masashi Kihana,Mutsumi Yamagami
Masashi Kihana
Researchers have stressed that crops may absorb radioactive cesium (Cs) in the soil and translocate it to its edible parts. Therefore, a method was developed to suppress Cs absorption through high K fertilisation. However, this method is le...
Atmospheric concentrations of 7Be and 210Pb in weekly aerosols at Hirosaki, a heavy snowfall area in Japan [0.03%]
日本降雪量大的弘前地区周降尘中⁷Be和²¹⁰Pb的浓度分布特征研究
Khemruthai Kheamsiri,Oumar Bobbo Modibo,Bagus Sidik Waskito Hadi et al.
Khemruthai Kheamsiri et al.
To understand the regional properties of atmospheric 7Be and 210Pb concentrations at Hirosaki, aerosol samples were collected weekly for the investigation. Total suspended particles (TSP) concentration ranged from 0.14 to 1.19 mg m-3 with a...
Spectroscopic analysis of alpha particles from radioactive nuclides with CR-39 plastic nuclear track detectors [0.03%]
利用CR-39塑料核径迹探测器分析放射性核素产生的α粒子的能谱分布
Satoshi Kodaira,Miroslaw Janik
Satoshi Kodaira
A spectroscopy method of alpha particles with the track geometry parameters in CR-39 plastic nuclear track detectors is proposed. The relationship between the track registration sensitivity and incident angle of each etch pit is analyzed. T...
Development of evaluation method for radiocesium availability in soil by biomimetic approach [0.03%]
基于生物模拟法的土壤放射性铯有效性的研究及评价方法开发
Akira Takeda,Yusuke Unno,Mathew J B Swallow et al.
Akira Takeda et al.
Applicability of biomimetic approach with simulation of plant uptake for assessment of radiocesium availability in soil was investigated. The soil spiked with 137Cs tracer was contacted with wicking material and copper-substituted prussian ...
Development of compact electrolytic enrichment system for environmental tritium analysis [0.03%]
小型电解富集系统环境氚分析装置的开发研究进展
Toshiya Tamari,Nagayoshi Shima,Junji Yamanaka
Toshiya Tamari
The new electrolytic enrichment system with compact glass cell was designed. Three (Ni-Fe-Ni) electrodes are used, and electrolysis is carried out at a rate of 2.45 g per h with constant current density of 120 mA per cm2. This enrichment sy...
Chemical form of volatilized iodine obtained from orchard grass (Dactylis glomerata L.) [0.03%]
果园草(Dactylis glomerata L.)中挥发性碘的化学形式
Masumi Yanai,Hitoshi Kawabata,Yuichi Takaku
Masumi Yanai
Japan's first commercial nuclear fuel reprocessing plant is expected to release radioiodine into the atmosphere, and orchard grass plants grown in the vicinity of this plant may absorb this radioiodine. In this study, we investigated the me...
Comparison of codes for calculation of projocted radiation-induced cancer risks [0.03%]
计算辐射诱发癌症风险的代码比较
Ikuo Kujiraoka,Yoshihiro Noguchi,Kazumasa Shimada et al.
Ikuo Kujiraoka et al.
The lifetime attributable risk (LAR) of cancer caused by radiation exposure is crucial when deciding on radiological protection measures or protective actions for nuclear emergency preparedness and response. Although a model for estimating ...
Comparative Study
Radiation protection dosimetry. 2024 Nov 13;200(16-18):1561-1567. DOI:10.1093/rpd/ncae177 2024
Absorption and translocation to fruit for cesium applied on apple tree leaf surface [0.03%]
叶面施用放射性铯在苹果树体内的吸收和向果实的转移分布研究
Hitoshi Kawabata,Masumi Yanai,Yuichi Takaku et al.
Hitoshi Kawabata et al.
We investigated the behavior of stable Cs+ ions contained in droplets applied directly on the leaf surfaces of plumleaf crab apple trees (2-3 years old Malus domestica 'Alps Otome') at three different fruit growing stages: before bearing fr...
Non-returning factors from an interview survey of 16 residents of Katsurao village 12 years after the Fukushima nuclear power plant accident [0.03%]
福岛核电站事故后猫越村居民追踪调查的脱落因素分析——震后12年的调查结果
Naomi Ito,Isamu Amir,Nobuaki Moriyama et al.
Naomi Ito et al.
People generally wish to return home after being evacuated due to disaster situations. Evacuation orders have now been lifted in the Fukushima region following the nuclear accident in 2011, and the Japanese government is promoting a return ...