Search Results - "ICHIMASA, Y"

Re-emission of heavy water vapour from soil to the atmosphere by Yokoyama, S., Noguchi, H., Ichimasa, Y., Ichimasa, M.

“…The re-emission process of tritiated water (HTO) deposited on a soil surface is an important process to assess tritium doses to the general public around…”
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Ecological effects of various toxic agents on the aquatic microcosm in comparison with acute ionizing radiation by Fuma, S., Ishii, N., Takeda, H., Miyamoto, K., Yanagisawa, K., Ichimasa, Y., Saito, M., Kawabata, Z., Polikarpov, G.G.

“…The purpose of this study was an evaluation of the effect levels of various toxic agents compared with acute doses of ionizing radiation for the experimental…”
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Radiation-induced mutations in the spleen and brain of lacZ transgenic mice by Nakamura, H. Ikehata, J. Komura, Y. Hosoi, H. Inoue, Y. Gondo, K. Yamamoto, Y. Ichimasa, T. Ono, S.

“…Purpose : To study the dose-response and molecular nature of radiation-induced mutations in the spleen and brain of lacZ transgenic mice. Materials and methods…”
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The JCO criticality accident at Tokai-mura, Japan: an overview of the sampling campaign and preliminary results by Komura, K, Yamamoto, M, Muroyama, T, Murata, Y, Nakanishi, T, Hoshi, M, Takada, J, Ishikawa, M, Takeoka, S, Kitagawa, K, Suga, S, Endo, S, Tosaki, N, Mitsugashira, T, Hara, M, Hashimoto, T, Takano, M, Yanagawa, Y, Tsuboi, T, Ichimasa, M, Ichimasa, Y, Imura, H, Sasajima, E, Seki, R, Saito, Y, Kondo, M, Kojima, S, Muramatsu, Y, Yoshida, S, Shibata, S, Yonehara, H, Watanabe, Y, Kimura, S, Shiraishi, K, Ban-nai, T, Sahoo, S.K, Igarashi, Y, Aoyama, M, Hirose, K, Uehiro, T, Doi, T, Tanaka, A, Matsuzawa, T

“…A criticality accident occurred on September 30, 1999 at the uranium conversion facility of the JCO Company Ltd. in Tokai-mura, Japan. A collaborating…”
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Suppression of tritium gas oxidation in rat by norfloxacin and clindamycin by Ichimasa, Y, Shiba, H, Ichimasa, M, Akita, Y

“…To determine whether intestinal anaerobes are the principal agents responsible for oxidation of tritium gas (HT) in the intestine, the suppressive effects of…”
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Uptake kinetics of deuteriated water vapor by plants: Experiments of D2O release in a greenhouse as a substitute for tritiated water by Momoshima, N., Kakiuchi, H., Okai, T., Yokoyama, S., Noguchi, H., Atarashi, M., Amano, H., Hisamatsu, S., Ichimasa, M., Ichimasa, Y., Maeda, Y.

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Overview of tritium safety studies in Japan by Tanaka, Satoru, O'hira, Shigeru, Ichimasa, Yusuke

“…Tritium safety is one of the most important R&D subjects for developing International Thermonuclear Experimental Reactor (ITER) and fusion reactor. In Japan,…”
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Metabolism of tritiated water, tritium gas and organically bound tritium by Ichimasa, Y

“…Our recent works on the following items were presented together with a brief introduction of related works. Intake of tritium gas in the body, via lung and via…”
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FORMATION AND RETENTION OF ORGANICALLY BOUND DEUTERIUM IN RICE IN DEUTERIUM WATER RELEASE EXPERIMENT by Atarashi-Andoh, Mariko, Amano, Hikaru, Kakiuchi, Hideki, Ichimasa, Michiko, Ichimasa, Yusuke

“…As a substitute of tritium, deuterated water (D2O) vapor release experiments were performed in a greenhouse to estimate the different formation and subsequent…”
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Deposition of D2O from air to plant and soil during an experiment of D2O vapor release into a vinyl house by ATARASHI, M, AMANO, H, ICHIMASA, M, ICHIMASA, Y

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Tritium, deuterium and gamma-emitting nuclides in plant leaves in the JCO campus by Ichimasa, Michiko, Sasajima, Emiko, Sato, Kaoru, Ichimasa, Yusuke

“…The effects of the JCO criticality accident on the tritium, deuterium and gamma-ray nuclide concentrations in plant leaves in/around the JCO campus in…”
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Radioprotective effects of sodium tungstate on hematopoietic injury by exposure to super(60)Co gamma -rays in Wistar rats by Sato, K, Ichimasa, M, Miyahara, K, Shiomi, M, Nishimura, Y, Ichimasa, Y

“…Radioprotective effects of sodium tungstate (ST) on super(60)Co gamma -ray induced decrease in hematocrit value and in survival rate in Wistar strain male rats…”
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Deposition of heavy water on soil and reemission to the atmosphere by Yokoyama, Sumi, Noguchi, Hiroshi, Ichimasa, Michiko, Ichimasa, Yusuke, Fukutani, Satoshi

“…Field experiments using heavy water as a tracer instead of tritiated water (HTO) were carried out in November 1995 and August 1996 in Japan. The objective of…”
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In vitro Determination of Oxidation of Atmospheric Tritium Gas in Vegetation and Soil in Ibaraki and Gifu, JAPAN by Ichimasa, M, Suzuki, M, Obayashi, H, Sakuma, Y, Ichimasa, Y

“…To quantify the rate of oxidation of tritium gas (referred to as HT) to tritiated water in the environment, various woody and herbaceous plant leaves and…”
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Radioprotective effects of sodium tungstate on hematopoietic injury by exposure to 60Co gamma-rays in Wistar rats by Sato, K, Ichimasa, M, Miyahara, K, Shiomi, M, Nishimura, Y, Ichimasa, Y

“…Radioprotective effects of sodium tungstate (ST) on 60Co gamma-ray induced decrease in hematocrit value and in survival rate in Wistar strain male rats were…”
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Absorption of tritiated water vapor by rats by Ichimasa, Y, Tanabe, K, Ichimasa, M, Akita, Y

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In vivo fixation of atmospheric tritium gas in pine and zelkova trees and their surroundings by Ichimasa, M, Ichimasa, Y, Akita, Y

“…In vivo laboratory experiments on tritium gas (HT) fixation in pine trees were conducted using one-way circuit inhalation apparatus and dwarf pine trees. After…”
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Oxidation of Molecular Tritium by Surface Soils by Ichimasa, M, Ichimasa, Y, Azuma, Y, Komuro, M, Fujita, K, Akita, Y

“…The conversion of atmospheric molecular tritium (HT) to tritiated water in soils was examined. The oxidation rate of HT varied with soil depth, temperature and…”
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Oxidation of Atmospheric Molecular Tritium in Plant Leaves, Lichens and Mosses by Ichimasa, M, Ichimasa, Y, Yagi, Y, Ko, R, Suzuki, M, Akita, Y

“…The oxidation of atmospheric molecular tritium (HT) in vegetation was determined by in vitro experiments for pine needles, pine bark, lichens attached to pine…”
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Absorption of tritiated water vapor by rat by ICHIMASA, YUSUKE, TANABE, KAZUO, ICHIMASA, MICHIKO, AKITA, YASUKAZU

“…Rats were kept in a metabolic cage through which air containing tritiated water vapor was passed at a constant rate. Tritium activity in their blood and urine…”
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