CiNii Articles - Furukawa Masahide

1

Comparative Study on Pleistocene Paleogeographic Maps of Ryukyu Arc [in Japanese]

古川雅英 , 藤谷卓陽 , Furukawa Masahide , Fujitani Takuyo

In order to estimate the geohistory of Ryukyu Arc and the origin of terrestrial biota in the recent Ryukyu Islands, many paleogeographic maps have been drawn based on geologic and biologic hypotheses. …

琉球大学理学部紀要 = Bulletin of the Faculty of Science, University of the Ryukyus (98), 1-8, 2014-09

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2

Car-borne survey of terrestrial gamma radiation dose rate in Okinawa Island, Japan [in Japanese]

喜納正剛 , 平岡久枝 , 石川慎之助 [他] , 新垣玲奈 , 藤谷卓陽 , 城間吉貴 , 古川雅英 , Kina Seigou , Hiraoka Hisae , Ishikawa Shinnosuke , Shingaki Reina , Fujitani Takuyo , Shiroma Yoshitaka , Furukawa Masahide

The absorbed dose rate in air due to terrestrial gamma radiation in Okinawa-jima, main island of Okinawa prefecture located in the subtropical region of Japan, was estimated at 4967 points on the pave …

琉球大学理学部紀要 = Bulletin of the Faculty of Science, University of the Ryukyus (97), 39-45, 2014-03

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3

Dose assessment on natural radiation, natural radionuclide, and artificial radionuclide released by Fukushima nuclear accident [in Japanese]

細田正洋 , 床次眞司 , 古川雅英 , Hosoda Masahiro , Tokonami Shinji , Furukawa Masahide

自然界には多くの放射性核種が存在しており、われわれは常に自然放射線による被ばくを受けている。原子放射線の影響に関する国連科学委員会の2008年の報告書では、自然放射線による被ばく源を大地ガンマ線、ラドン、宇宙線および食物摂取に分類しており、ラドンによる被ばくが全体の約50％を占めている。しかしながら一般にはそのことが理解されておらず、平成23年3月11日に勃発した福島第一原子力発電所事故以降、国民 …

放射線生物研究 47(1), 22-45, 2012-03

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4

Report on the First Meeting on "Construction of Natural Radiation Exposure Study Network" by Special Coordination Funds for Promoting Science and Technology of Ministry of Education, Culture, Sports, Science and Technology [in Japanese]

SORIMACHI Atsuyuki , TOKONAMI Shinji , JANIK Miroslaw , ISHIKAWA Tetsuo , SAHOO Sarata K. , YOSHINAGA Shinji , YONEHARA Hidenori , SAKAI Kazuo , YAMAZAWA Hiromi , AKIBA Suminori , FURUKAWA Masahide , SUN Quanfu , KIM Yong-Jae , CHANYOTHA Supitcha , RAMOLA Rakesh C.

Japanese Journal of Health Physics 45(1), 15-18, 2010-03-01

J-STAGE References (4) Cited by (1)
5

Anomalously High Radon Concentrations in a Dwelling in Okinawa, Japan

SORIMACHI Atsuyuki , KRANROD Chutima , TOKONAMI Shinji , ISHIKAWA Tetsuo , HOSODA Masahiro , JANIK Miroslaw , SHINGAKI Reina , FURUKAWA Masahide

我が国で行われた全国調査で，室内における高ラドン濃度が観測された沖縄県読谷村において室内ラドン濃度に関する調査を行った。測定は寝室，居間，屋外において行われた。一階の寝室において，観測期間中の平均ラドン濃度は約400Bq m－3であり，我が国の平均室内ラドン濃度(15.5Bq m－3)よりも非常に大きい値で …

RADIOISOTOPES 58(12), 807-813, 2009-12-15

J-STAGE Ichushi Web References (24) Cited by (1)
6

Relationship between Terrestrial Gamma Radiation Dose Rate and Geology in Yomitan-son, Okinawa, Japan [in Japanese]

MASUDA Nagi , MUKAI Maki , HOKAMA Tomonori , MOTOMURA Dai , JAHANA Tatsuma , TOKONAMI Shinji , FURUKAWA Masahide

Radioisotopes 58(5), 187-193, 2009-05-15

References (17)
7

Distribution of gamma radiation dose rate in air in Naha city, Okinawa prefecture [in Japanese]

本村大 , 益田和 , 向真希 , 外間智規 , 古川雅英 , Motomura Dai , Masuda Nagi , Mukai Maki , Hokama Tomonori , Furukawa Masahide

The absorbed dose rates in air due to terrestrial gamma radiation in Naha city were measured at 1008 points with Nal(Tl) scintillation spectrometers. The mean, minimum and maximum dose rates were esti …

琉球大学理学部紀要 = Bulletin of the College of Science. University of the Ryukyus (87), 69-75, 2009-03

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8

Contribution of Waterborne Radon to Indoor Radon Concentration and Dose Evaluation in the Shikaka Area, Fukuoka [in Japanese]

NARAZAKI Yukinori , ISHIKAWA Tetsuo , YOSHINAGA Shinji , FURUKAWA Masahide , ZHUO Weihai , TOKONAMI Shinji , ISHIBASHI Yuko , MATSUO Hiroshi

Radioisotopes 55(8), 457-467, 2006-08-15

Ichushi Web References (26)
9

Characteristics on Natural Radioactivity of Loess and Eolian Dust Origin Soils in East Asia [in Japanese]

FURUKAWA Masahide , AKATA Naofumi , ZHUO Weihai , GUO Qiuju , NARAZAKI Noriyuki , TOKONAMI Shinji

In order to investigate the characteristics on natural radioactivity of loess, desert sand and eolian dust origin soil distributed in East Asia, analyses for 238U, 23 …

Earozoru Kenkyu 20(4), 306-312, 2005-12-20

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10

Natural Radiation Level in Daito Islands and its Geological Interpretation [in Japanese]

FURUKAWA Masahide , AKATA Naofumi , TOKONAMI Shinji

Radioisotopes 54(7), 213-224, 2005-07-15

References (35) Cited by (2)
11

Atmospheric Radon and Thoron Concentrations in Miyako-jima, Okinawa Prefecture, Japan [in Japanese]

FURUKAWA Masahide , ZHUO Weihai , TOKONAMI Shinji

Radioisotopes 53(3), 141-147, 2004-03-15

References (16) Cited by (1)
12

Ultra-Violet Rays and Imaging Riometer Observations at Punta Arenas, Chile [in Japanese]

MAKITA Kazuo , HOSHINO Mituo , NISHINO Masanori , KATO Yasuo , SATO Mitsugi , EJIRl Masaki , YAMAGISHI Hisao , AYUKAWA Masaru , FURUKAWA Masahide , Monreal Ricado , Foppiano Alberto , Guamieri Ricardo Andre , Schuch Nelson Jorge

In order to compare upper atmosphere phenomena between Brazilian geomagnetic anomaly region and inner radiation belt, we installed UVA/B and Imaging riometer at Punta Arenas (53.1 S, 289 E), Chile. So …

Bulletin of science and engineering, Takushoku University 9(1), 13-18, 2004-01
13

Case Report on Anomalous Electro-Magnetic Signals(<Main Topics>Human PSI Forum "Human Potential Science" International Forum : Physical and Physiological Approach Joint with "Mystery of Mind and Body" International Forum and The Fourteenth Symposium on Life Information Science (International Version) 22-27 August 2002, OVTA, Makuhari, Chiba (near Tokyo), Japan)

KOKUBO Hideyuki , HARAGUCHI Suzue , FURUKAWA Masahide , YAMAMOTO Mikio

2000年、日本の岐阜県で、アパートの住民が、幽霊目撃、物体移動、電気製品の異常動作、怪音などを訴える事件が発生した。著者らは、2000年11月15日から17日にかけて、そのアパートで磁場の測定を行った。磁力計は、ホール素子型磁力計(10nT,DC-10kHz)とフラックスゲート型磁力計(1nT, DC-20Hz)を用いた。各磁力計のアナログ出力は、デジタルテープレコーダー(DAr)とコンピュータ …

Journal of International Society of Life Information Science 20(2), 675-678, 2002

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14

Distribution of Absorbed Dose Rate in Air Because of Terrestrial Gamma Radiation in Miyako-jima, Okinawa Prefecture, Japan [in Japanese]

FURUKAWA Masahide , TOKONAMI Shinji

The absorbed dose rate in air because of terrestrial gamma radiation in Miyako-jima, an island that is part of Okinawa Prefecture in the subtropical region of Japan, was estimated at 637 points by < …

Japanese Journal of Health Physics 36(3), 195-206, 2001-09

J-STAGE Ichushi Web References (39) Cited by (6)
15

Measurements of Cosmic Radiation Doses in Civil Aircraft by Pocket Dosimeter:Resuls for Domestic Aviation Routes in Japan [in Japanese]

FURUKAWA Masahide

RADIOISOTOPES 49(3), 152-158, 2000-03-15

J-STAGE Ichushi Web References (13) Cited by (4)
16

Detection Response to the Presence of Thoron on Passive Radon Detectors [in Japanese]

TOKONAMI Shinji , SANADA Tetsuya , YONEHARA Hidenori , FURUKAWA Masahide , YAMADA Yuji , KUROSAWA Ryuhei

トロンによるパッシブ型ラドン測定器の測定値への影響を調べるため, トロン曝露チェンバシステムを整備した。そのシステムは主として曝露チェンバとトロンガス発生装置で構成される。曝露チェンバには150Lのステンレス製密封容器を, 発生装置には10Lのステンレス製密封容器をそれぞれ改造して用いた。曝露チェンバには4本のステンレス製チューブが取り付けられ, ガスの供給と排出, 試料空気の採取に利用される。発 …

RADIOISOTOPES 49(1), 1-8, 2000-01-15

J-STAGE Ichushi Web References (14) Cited by (1)
17

Study on Analyzing Methods of Human Body Functions Using Various Simultaneous Measurements (VSM) : The Fifth Year Report of the 5-Year-Project Supported by Science and Technology Agency (STA), Japan

YAMAMOTO Mikio , MURAKAMI Shio , MOROE Teruyoshi , MAKINO Katsuhiko , TSUCHIYA Kazuhiko , KOKADO Tomoko , TANIGUCHI Junko , NAKAMURA Atsuko , KURANO Mieko , FURUKAWA Akira , FURUKAWA Masahide , HIRASAWA Masahiko , MATSUMOTO Toru , SAKAIDA Hideaki , MACHI Yoshio , KOKUBO Hideyuki , TANAKA Masataka , KAWANO Kimiko , PARKHOMTCHOUK Dmitri V. , ZHANG Tong , FUKUDA Nobuo , HIRATA Tsuyoshi

著者等により、1995年9月より、科学技術庁予算による5ヶ年計画プロジェクト「多様同時計測による生体機能解析法の研究」(研究代表者山本幹男)が行われ、2000年3月末で、期間満了する。本研究は主として科学技術庁放射線医学総合研究所放射線科学研究部第3研究室にて行われた。また、一部は、日本医科大学、東京電機大学、NECにおいても行われた。本プロジェクトは、様々な精神的状況下での人体について、その生 …

Journal of International Society of Life Information Science 18(1), 61-97, 2000

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18

Intercomparison of particle size distribution measurements between the SMPS and MOUDI [in Japanese]

TOKONAMI Shinji , MIYAMOTO Katsuhiro , FURUKAWA Masahide , YAMADA Yuji

エアロゾル科学・技術研究討論会 = Symposium on Aerosol Science & Technology 16, 27-29, 1999-07-01

References (5)
19

アジアにおける自然放射線レベルの空間分布とその地球科学的背景 [in Japanese]

古川雅英

Radiation biology research communications 34(2), 111-131, 1999-06

Ichushi Web
20

Quantitative Analysis of Desert Sediment by Neutron Activation Analysis : A Case Study of the Niya Ruins in Takla Makan Desert, China [in Japanese]

Kaigara Toru , Furukawa Masahide , Takada Jitsuya

Journal of inquiry and research (69), 363-380, 1999-02

古川雅英 Furukawa Masahide

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古川 雅英 Furukawa Masahide

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古川雅英 Furukawa Masahide

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