LONG-RANGE ATMOSPHERIC TRANSPORT OF RADON IN EAST ASIA AND DEPOSITION OF ITS PROGENIES IN JAPAN [0.03%]
东亚大气中氡的长距离输送及其子体在日本的沉降
Hiromi Yamazawa,Yu Cai,Tatsuya Matsumoto et al.
Hiromi Yamazawa et al.
A three-dimensional long-range atmospheric transport model for 222Rn and its progenies was applied to simulate 210Pb deposition in Japan and its adjacent waters. Monthly precipitation and 210Pb deposition simulated by the model for winter m...
TRITIUM CONCENTRATION IN MONTHLY PRECIPITATION NEAR THE FUSION TEST FACILITY IN JAPAN BEFORE AND AFTER THE DEUTERIUM PLASMA EXPERIMENT [0.03%]
日本 fusion test facility 周边降水氚浓度的月际变化及受氘等离子体实验的影响分析
Naofumi Akata,Chie Iwata,Miki Nakada et al.
Naofumi Akata et al.
In Japan, the deuterium plasma experiment using the Large Helical Device was started at the National Institute for Fusion Science (NIFS) in March 2017 to investigate high-temperature plasma physics and hydrogen isotope effects in research l...
INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD [0.03%]
采样流量对循环法220Rn(ex)测量结果的影响分析
Masahiro Hosoda,Ryohei Yamada,Hiromu Kobyashi et al.
Masahiro Hosoda et al.
Researchers have used various methods to obtain the exhalation rates of radon and thoron from soil and building materials. One of the typical methods for radon exhalation rate is the circulation method using an accumulation container, an ex...
TRANSFER OF CESIUM AND IODINE FROM THE SURFACE TO THE INTERIOR OF APPLE FRUIT [0.03%]
放射性铯和碘向苹果果实内部迁移规律研究
Hitoshi Kawabata,Masumi Yanai,Yuichi Takaku et al.
Hitoshi Kawabata et al.
We investigated the transfer of stable Cs + and I- applied as droplets directly on the fruit surface of 3-y-old plumleaf crab apple trees to the fruit interior at different developmental stages. The proportions of Cs and I transferred to th...
COMPARISON OF THE PROLIFERATIVE RESPONSES OF HEMATOPOIETIC STEM CELLS EXPOSED TO LOW DOSE RATE RADIATION IN VIVO AND EX VIVO [0.03%]
体内和体外暴露于低剂量率辐射的造血干细胞增殖反应比较研究
Tokuhisa Hirouchi
Tokuhisa Hirouchi
The hematopoietic stem cells (HSCs) are sensitive to radiation. Chronic exposure to low dose rate (LDR) radiation at 20 mGy/day results in a decrease in the number of HSCs and an increase of leukemia. In this study, the proliferative capaci...
Toshiyuki Umata
Toshiyuki Umata
The mutation, apoptosis and chromosomal aberration induced by tritiated water (HTO) in spleen T lymphocytes of mice were investigated and compared with those by acute or chronic 137Cs gamma irradiation. p53 wild-type (p53+/+) and null (p53-...
SPECIATION OF CESIUM ISOTOPES IN RIVER WATER: A CASE STUDY IN THE UKEDO RIVER [0.03%]
英国UKEDO河流水中铯同位素的形态研究案例
Hirofumi Tazoe,Ryo Tachizaki,Yuto Tomisaka et al.
Hirofumi Tazoe et al.
137Cs in river systems can be taken up by aquatic animals. In this paper, total 137Cs concentration in the Ukedo River system and 137Cs presence in dissolved, acid-soluble and -insoluble fractions in river water samples were determined. Tot...
MODELING OF TEMPORAL AND VERTICAL CHANGES IN 137Cs CONCENTRATION IN LAKE ONUMA [0.03%]
芦之湖137Cs浓度的垂直和时间变化模型
Kentaro Akasaki,Taisei Semba,Eiichi Suetomi et al.
Kentaro Akasaki et al.
According to the observed data of the activity concentration of $^{137}$Cs in Lake Onuma on Mount. Akagi, located in Gunma Prefecture, the decrease of the activity concentration slowed down since 2 years after the accident of Fukushima Daii...
RETENTION OF ORGANICALLY BOUND DEUTERIUM IN GRASS PLANTS EXPOSED TO HEAVY WATER VAPOUR AT DIFFERENT GROWTH STAGES [0.03%]
生长不同阶段的草植物暴露重水蒸汽后有机结合氘的保留
Takashi Tani,Masaru Nagai
Takashi Tani
Potted timothy grass plants were exposed to heavy water (HDO) vapour at seven different periods during the third growth of harvestable shoots (the part 5-cm above the ground surface), and the concentration of non-exchangeable organically bo...
EXPERIMENTAL EVALUATION OF DISTRIBUTION OF 14C PHOTOASSIMILATED INTO CARBOHYDRATES IN DIFFERENT GROWTH STAGES OF FRUIT-BEARING APPLE SHOOTS USING A 13CO2 IN-SITU EXPOSURE SYSTEM [0.03%]
利用就地暴露的13CO2示踪系统研究苹果结果枝不同生长阶段光合同化物分配动态的实验研究
Yuhi Satoh,Shogo Imada,Yasuhiro Tako et al.
Yuhi Satoh et al.
In this study, we aimed to investigate the photoassimilation process of 14CO2 into agricultural plants through determining the photoassimilated carbohydrate-13C in each part (leaves, current branch and fruit) of the fruit-bearing apple shoo...