Search Results 1-20 of 22

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  • HYDROGEN GENERATION BY CO-60 GAMMA RADIOLYSIS OF WATER IN THE PRESENCE OF THE ZIRCALOY-4 OXIDATION PRODUCTS CRUSHED INTO DIFFERENT SIZES

    Matsumoto Yoshinobu , Suzuki Tatsuya , Ogawa Toru , Inoue Masao , Nagaishi Ryuji

    … The effect of particle size of the oxidized Zircaloy-4 on the observed yield of Hydrogen generation by Co-60 gamma radiolysis of water was measured. … The oxidation products were obtained by high temperature oxidation of Zircaloy-4 under air atmosphere for 2 and 4 hours. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1838, 2019

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  • Gamma-ray measurement in high energy neutron field  [in Japanese]

    KAMADA So , TAKADA Masashi

    中性子・ガンマ線混在場において,ガンマ線計測に用いられている有機液体シンチレータよりもエネルギー決定精度が優れているNaI(Tl)シンチレータを用いて,ガンマ線エネルギースペクトル測定を行った.中性子とガンマ線の弁別には飛行時間の差を利用した.

    Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan 2011s(0), 59-59, 2011

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  • Water radiolysis with heavy ions having energies up to 28 GeV: (3) Application of fluorescent spectroscopy as a sensitive detection technique to yield measurement of OH radical  [in Japanese]

    MAEYAMA Takuya , YAMASHITA Shinichi , BALDACCHINO Gerard , KATSUMURA Yosuke , MUROYA Yusa , TAGUCHI Mitsumasa , KIMURA Atsushi , MURAKAMI Takeshi

    … <BR>Coumarin は •OH を捕捉し、そのうち 5 % 程度がケイ光物質 7-hydroxy-coumarin になり、数 10 nM の高感度で測定できることが <SUP>60</SUP>Co &gamma; …

    The Japan Radiation Research Society Annual Meeting Abstracts 2007(0), 106-106, 2007

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  • Characterization of Mechanochemically Synthesized Magnetite Powders from Fe and FeO(OH)  [in Japanese]

    Koike Masafumi , Tokumitsu Kazuto , Abe Osami

    … Influences of mixing-grinding conditions on the properties of magnetite powders synthesized from the metallic-iron and hydrated iron [III] oxide powders in organic liquids containing hydrogen peroxide were investigated. … The calcination products were characterized by X-ray diffractometry and <sup>57</sup>Mössbauer spectroscopy. … The yield of magnetite increased with the milling time and revolution frequency. …

    Journal of the Society of Powder Technology, Japan 42(6), 419-425, 2005

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  • Asymmetric Baeyer–Villiger Oxidation of Cyclic Ketones Using Chiral Organoselenium Catalysts

    Miyake Yoshihiro , Nishibayashi Yoshiaki , Uemura Sakae

    … Novel optically active diselenides having a chiral oxazoline have been prepared and the structure of one of them is unambiguously determined by X-ray structural analysis. … Treatment of a variety of cyclobutanones with 30% H<sub>2</sub>O<sub>2</sub> …

    Bulletin of the Chemical Society of Japan 75(10), 2233-2237, 2002

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  • Measurement of Fission Product Yields from Neutron-Induced Fission of Americium-241

    SHINOHARA Nobuo , HATSUKAWA Yuichi , HATA Kentaro , KOHNO Nobuaki

    Journal of Nuclear Science and Technology 36(3), 232-241, 1999-03-25

    References (22)

  • Possible Origin of the Gamma-ray Discrepancy in the Summation Calculations of Fission Product Decay Heat

    YOSHIDA Tadashi , TACHIBANA Takahiro , STORRER Francois , OYAMATSU Kazuhiro , KATAKURA Jun-ichi

    Journal of Nuclear Science and Technology 36(2), 135-142, 1999-02-25

    References (24) Cited by (4)

  • Synthesis of Aluminium Nitride using Urea-Precursor  [in Japanese]

    UHEDA Kyota , TAKAHASHI Masayuki , TAKIZAWA Hirotsugu , ENDO Tadashi , SHIMADA Masahiko

    … By directly introducing aluminium chloride into a melted urea at 135°C, urea-precursor was formed under a non-aqueous condition and then no &gamma;-Al<SUB>2</SUB>O<SUB>3</SUB> … As a result, well-crystalline AlN powder was obtained by the pyrolysis of urea-precursor above 900°C under a stream of N<SUB>2</SUB> …

    Journal of the Japan Society of Powder and Powder Metallurgy 45(1), 31-35, 1998-01-15

    J-STAGE  References (14)

  • JENDL-3 Fission Product Nuclear Data Library.

    KAWAI Masayoshi , IIJIMA Shungo , NAKAGAWA Tsuneo , NAKAJIMA Yutaka , SUGI Teruo , WATANABE Takashi , MATSUNOBU Hiroyuki , SASAKI Makoto , ZUKERAN Atsushi

    … eV and 20 MeV have been evaluated for 172 nuclides from <SUP>75</SUP>As to <SUP>159</SUP>Tb in the fission product mass region to provide data for the JENDL-3 fission product nuclear data library. … Evaluation was made on the basis of recent experimental data reported up to 1988 and the nuclear model calculations. … Resonance parameters have been evaluated on the basis of measured data set and a REPSTOR system developed in JAERI. …

    Journal of Nuclear Science and Technology 29(3), 195-213, 1992

    J-STAGE  Cited by (5)

  • Nuclear Reactions of Ti, Fe, Co, Ni, Cu, and Zn by 500-MeV Protons

    Asano Yûzo , Mori Shigeki , Sakano Misao , Katoh Kazuaki , Kondo Kenjiro , Noguchi Masaharu

    … Formation cross sections of product nuclides in the nuclear reactions of Ti, Fe, Co, Ni, Cu, and Zn targets by 500-MeV protons were measured with a Ge(Li) &gamma;-ray spectrometer. … is the mass number of the target nucleus. …

    Journal of the Physical Society of Japan 60(1), 107-113, 1991

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  • Preliminary study on neutron yield from 3He 3He fusion plasma.  [in Japanese]

    Fukai Yuzo

    … the yields of neutron and <SUP>7</SUP>Be frrara <SUP>3</SUP>He <SUP>3</SUP>He fusion plasma by the following reactions: <SUP>3</SUP>He (<SUP>3</SUP>He, n) <SUP>5</SUP>Be, (&gamma;, n) reaction of the structure material (SUS316) by 10MeV &gamma;-ray of <SUP>3</SUP>He (<SUP>3</SUP>He, &gamma;) He (p, n) …

    Kakuyūgō kenkyū 64(5), 430-448, 1990

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  • Spallation of Tantalum, Tungsten and Gold by 12-GeV Protons

    Asano Yuzo , Kariya Hiroyuki , Mori Shigeki , Okano Makoto , Sakano Misao

    … Formation cross sections of spallation products in the nuclear reactions of tantalum, tungsten, and gold by 12 GeV protons were measured with the &gamma;-ray spectroscopy for 58, 73, and 80 product nuclides, respectively. …

    Journal of the Physical Society of Japan 57(9), 2995-3002, 1988

    J-STAGE  Cited by (1)

  • Role of the main cytosine radiolytic product in ionizing radiation-induced mutagenesis.

    AYAKI HITOSHI , YAMAMOTO OSAMU , SAWADA SHOZO

    … The single stranded phage DNA was isolated and irradiated in a buffer solution using <SUP>60</SUP>Co gamma-rays. … After the addition of TCA, the DNA precipitated was filtered. … The ratio of the radioactivity of the filtrate to the total increased with increasing radiation dose. … The modification yield also increased with increasing dose. … Chromatograms showed that the main product was urea. …

    Journal of Radiation Research 28(4), 254-261, 1987

    J-STAGE  NDL Digital Collections  Ichushi Web 

  • Catalytic reactions of pyridines. III. .GAMMA.-Ray-induced .ALPHA.-methylation of pyridine and .GAMMA.-picoline with methanol catalyzed by nickel nitrate.

    KASHIWAGI HIROSHI , ENOMOTO SABURO

    … &gamma;-Ray irradiation of a binary solution consisting of pyridine and methanol caused almost no reaction of pyridine. …

    Chemical and Pharmaceutical Bulletin 30(1), 1-6, 1982

    J-STAGE  Ichushi Web 

  • Kraft Cooking of Gamma Irradiated Wood (Part 2)  [in Japanese]

    Inaba Masamitsu , Meshitsuka Gyosuke , Ishizu Atsushi , Nakano Junzo

    … Pre-irradiation of wood in alkaline aqueous ethanol increases kraft pulp yield by up to 1.2 %, as already reported. …

    JAPAN TAPPI JOURNAL 35(4), 368-374, 1981

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  • Determination of Radioactive and Stable Cobalt in Marine Biological Materials

    SATO Kaneaki , ABUKAWA Joji , HIGUCHI Hideo , BANDO Shoji , HAMAGUCHI Hiroshi

    海産生物中の放射性コバルトと安定コバルトとを同一分析供試料から迅速に定量する方法を検討した。試料は乾燥, 灰化したのち酸に溶解し, 1-ニトロソー2-ナフトールによる溶媒抽出分離, 吸光光度測定によって安定コバルトを定量したのち, さらにTIOA抽出, 液体シンチレーションカウンタによって放射性コバルトを定量した。コバルトの回収率, 核分裂生成物に対する除染係数等について検討し, 福井県浦底湾のホ …

    RADIOISOTOPES 28(5), 285-290, 1979

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  • Effects of Gamma Ray-Irradiation on Reactions of <sup>125</sup>I Activated from <sup>125</sup>Xe(EC)<sup>125</sup>I Process with Methane  [in Japanese]

    SAEKI Masakatsu , TACHIKAWA Enzo

    Gamma ray-irradiations have been applied during and after the reactions of <sup>125</sup>I<sup>+</sup> … In the former case, the apparent yield of CH<sub>3</sub><sup>125</sup>I, being the major product, decreased with an increase in the irradiation time. …

    Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan 19(5), 332-339, 1977

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  • &gamma; -Ray Induced Reaction of Cyclohexanone in the Presence of Chlorinated Hydrocarbons

    YUMOTO Takaari , MATSUDA Tatsuo

    シクロヘキサノンと塩素化炭化水素との混合物をγ線照射し,反応生成物の構造と反応におよぼす諸条件および反応機構について検討した。照射試料から〔1〕,〔2〕の留分を得,〔1〕は2(1-シクロヘキセニル)シクロヘキサノンであり,〔2〕は2,6-ジシクロヘキセニル・シクロヘキサノンであると確認した。<BR>生成物〔1〕,〔2〕の生成は,線量率の0.98,1.14乗に比例し,ほぼ1乗に比例した。 …

    NIPPON KAGAKU KAISHI 1972(5), 940-944, 1972

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  • The Yields of Photonuclear Reactions Leading to the Production of Beryllium-7 with Bremsstrahlung up to 60 MeV

    Oka Yoshinaga , Kato Toyoaki , Yamadera Akira

    … Beryllium, boron, carbon, oxygen, and fluorine targets with natural isotopic compositions were irradiated by bremsstrahlung with four maximum energies, 30, 45, 55 and 60 MeV, and the yields of <SUP>7</SUP>Be from each of these targets were determined by means of chemical separation and gamma-ray spectrometric measurements. …

    Bulletin of the Chemical Society of Japan 42(4), 981-984, 1969

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  • Studies on Fallout Particles, (IX)  [in Japanese]

    MAMURO Tetsuo , MATSUNAMI Tadao , FUJITA Akira , YOSHIKAWA Kazuko

    … The fifth Chinese nuclear expbsion on 28 Dec. 1966 is believed to have been a land surface burst of about 200 kton yield. … The radionuclide fractionation appearing in individual hot particles (highly radioactive fallout particles) from this explosion has been investigated by &gamma;-ray spectrometry. … The activities of the 10 radionuclides<SUP> …

    Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan 10(11), 618-625, 1968

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