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MASUDA Akimasa  増田 彰正

ORCIDConnect your ORCID iD *help
Researcher Number 40030788
External Links
Affiliation (based on the past Project Information) *help 1996: 電気通信大学, 電気通信学部, 教授
1987 – 1991: 東京大学, 理学部, 教授
1986: The University of Tokyo, Faculty of Science, Professor, 理学部, 教授
1985: 東京大学, 理, 教授
Review Section/Research Field
Principal Investigator
分析・地球化学 / 地球化学
Except Principal Investigator
広領域 / 分析・地球化学
Keywords
Principal Investigator
Re-Os geochronometer / Re-Os年代測定法 / 同位体異常 / 小惑星の分類 / コンドルール中の微量元素存在度 / 南極隕石 / 原始太陽系 / molybdenite / gas-mist merging introduction / mass discrimination … More / isotopic equilibrium / ICP mass spectrometer / sulfide ore minerals / 安低同位体 / SmーNd法 / ICP質量分析 / 安定同位体 / ^<187>Reの壊変定数 / 年代測定 / ReーOs法 / モリブデナイト / 蒸気発生-混合導入法 / 質量差別効果 / 同位体平衡 / ICP-MS / 硫化鉱物 / Ce anomaly / REE pattern / Decay constant of <^(138)La> / <^(138)Ce> isotope tracer / La-Ba geochronometer / La-Ce geochronometer / Os同位体トレーサ / アミツォーク片麻岩 / 希土鉱物 / Ce異常 / REEパターン / 【^(138)La】の壊変定数 / 【^(138)Ce】同位体トレーサ / La-Ba年代測定法 / La-Ce年代測定法 / double beta decay / mass spectrometry / terrestrial material / iron meteorites / extinct nuclides / nucleosynthesis / isotope anomaly / primeval technetium / テクネチウムの壊変様式 / テクネチウムの半減期 / ルテニウムの同位体比 / モリブデンの同位体比 / 隕石 / モリブヂンー100 / ジルコンー96 / ルテニウムの同位体存在比 / モリブヂンの同位体存在比 / レニウム・オスミウム年代測定法 / 輝水鉛鉱 / ガンマ-過程 / ジルコニウムー96 / 二重ベ-タ壊変 / モリブデンの同位体存在比 / テクネチウム / 二重ベータ壊変 / 質量分析 / 地球物質 / 隕鉄 / 消滅核種 / 元素合成 / 原始テクネチウム / ダイヤモンドの成因 / 南極産炭素質隕石 / 蒸発・凝縮実験 / マイクロ波分光 / 凝縮蒸発実験 / Mg同位体異常 / 月隕石 / ダイオジェナイトの年代 / 負熱イオン質量分析 / フェイア・アッセイ法 / 白金族元素 / 酸素同位体 / オスミウム同位体 / レニウム・オスミウム法 … More
Except Principal Investigator
地球型惑星 / 隕石 / 巨大惑星 / 惑星 / 原始太陽系 / Differentiated meteorites / Meteorite parent body / Chemical map analysis / Material evolution / Shock metamorphism / Crystal fractionation / Antarctic Meteorites / Achondrites / 走査型電子顕微鏡 / ユークライト / ユレイライト / 母天体 / 分化した隕石 / 隕石母天体 / 二次元化学組成分析 / 物質進化 / 衝撃変成 / 結晶分化過程 / 南極隕石 / エコンドライト / 原始太陽系星雲 / 二次大気 / 惑星探査 / 惑星星雲 / 中央海嶺玄武岩 / Amitsoq片麻岩 / 大陸地殻 / マントル / 希土類元素パターン / Sm-Nd年代測定法 / La-Ce年代測定法 Less
  • Research Projects

    (10 results)
  • Co-Researchers

    (22 People)
  •  負熱イオン化質料分析の同位体地球化学への展開,特に,Re-Os法の高度化Principal Investigator

    • Principal Investigator
      増田 彰正
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      地球化学
    • Research Institution
      The University of Electro-Communications
  •  Proof of residence of primeval technetiumPrincipal Investigator

    • Principal Investigator
      MASUDA Akimasa
    • Project Period (FY)
      1989 – 1991
    • Research Category
      Grant-in-Aid for Specially Promoted Research
    • Research Institution
      University of Tokyo
  •  原始太陽系と惑星の起源に関する総括

    • Principal Investigator
      大家 寛
    • Project Period (FY)
      1988
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Tohoku University
  •  隕石の起源と母天体Principal Investigator

    • Principal Investigator
      増田 彰正
    • Project Period (FY)
      1988
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      The University of Tokyo
  •  Formation processes of achondrite parent bodies as inferred from meteorites.

    • Principal Investigator
      TAKEDA Hiroshi
    • Project Period (FY)
      1988 – 1989
    • Research Category
      Grant-in-Aid for General Scientific Research (A)
    • Research Field
      広領域
    • Research Institution
      University of Tokyo
  •  Ce同位体, Nd同位体および希土類元素存在度によるマントル物質の進化に関する研究

    • Principal Investigator
      SHIMIZU Hiroshi
    • Project Period (FY)
      1987
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      分析・地球化学
    • Research Institution
      The University of Tokyo
  •  原始太陽系と惑星の起源に関する総括

    • Principal Investigator
      大家 寛
    • Project Period (FY)
      1987
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Tohoku University
  •  隕石の起源と母天体Principal Investigator

    • Principal Investigator
      増田 彰正
    • Project Period (FY)
      1987
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      The University of Tokyo
  •  Chronological application of Re-Os system to sulfide oresPrincipal Investigator

    • Principal Investigator
      MASUDA Akimasa
    • Project Period (FY)
      1987 – 1989
    • Research Category
      Grant-in-Aid for General Scientific Research (A)
    • Research Field
      分析・地球化学
    • Research Institution
      University of Tokyo
  •  La-Ba and La-Ce geochronometers and Ce-138 as a geochemical tracer, developed to study origin and evolution of terrestrial materialsPrincipal Investigator

    • Principal Investigator
      MASUDA Akimasa
    • Project Period (FY)
      1983 – 1986
    • Research Category
      Grant-in-Aid for Specially Promoted Research
    • Research Institution
      The University of Tokyo
  • 1.  SHIMIZU Hiroshi (60090544)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 2.  大家 寛 (80025931)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  小嶋 稔 (20011471)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  長谷川 博一 (20025232)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  水谷 仁 (00011578)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  中澤 清 (10025455)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  小島 秀康 (10113896)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  中村 昇 (90030791)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  久城 育夫 (80011526)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  岡野 純 (10028087)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  古在 由秀 (70012789)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 12.  NAKAI Shun'ichi (50188869)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  HIDAKA Hiroshi (10208770)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  YONEDA Shigekazu (60210788)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  TANAKA Tsuyoshi (00236605)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  AKAGI Tasuku (80184076)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  TAKEDA Hiroshi (50011523)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  SUGIURA Naoji (80196716)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  MORI Hiroshi (30174379)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  MIYAMOTO Masamichi (70107944)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  TOMEOKA Kazushige (00201658)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  TAGAI Tokuhei (40011738)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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