Search Results1-20 of  85

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  • Otsuka Ryohei ID: 9000008862954

    Articles in CiNii:1

    • Electron Optical Observation of Sepiolite"Anhydride"Structure (1985)
  • OTSUKA RYOHEI ID: 9000005335317

    Department of Mineral Resources Engineering, School of Science and Engineering, Waseda University (1993 from CiNii)

    Articles in CiNii:1

    • PREPARATION OF LEAD OXIDE-MONTMORILLONITE COMPLEX (1993)
  • OTSUKA RYOHEI ID: 9000005336170

    Department of Mineral Industry, School of Science and Engineering ; Science and Engineering Research Laboratory, Waseda University (1973 from CiNii)

    Articles in CiNii:2

    • STEVENSITE FROM THE AKATANI MINE, NIIGATA PREFECTURE, NORTHEASTERN JAPAN (1970)
    • "HYDRATED TALC"-AN ALTERATION PRODUCT OF WOLLASTONITE BY REACTION WITH MAGNESIUM-BEARING HYDROTHERMAL SOLUTION (1973)
  • OTSUKA RYOHEI ID: 9000005336528

    Department of Mineral Resources Engineering, School of Science and Engineering, Waseda University (1991 from CiNii)

    Articles in CiNii:1

    • PHASE CHANGE OF LAUMONTITE UNDER RELATIVE HUMIDITY-CONTROLLED CONDITIONS (1991)
  • OTSUKA RYOHEI ID: 9000254111146

    Department of Mineral Industry, School of Science and Engineering, Waseda University, Shinjuku-ku Tokyo, 160 Japan (1980 from CiNii)

    Articles in CiNii:1

    • Iron-sepiolite from the Seikan Tunnel, Japan. (1980)
  • OTSUKA RYOHEI ID: 9000254528753

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1967 from CiNii)

    Articles in CiNii:1

    • AN OCCURRENCE OF WELL-CRYSTALLIZED SEPIOLITE FROM THE AKATANI IRON MINE, NIIGATA PREFECTURE, NORTHEASTERN JAPAN (1967)
  • OTSUKA RYOHEI ID: 9000254528878

    Department of Mineral Industry, School of Science and Engineering; and Science and Engineering Research Laboratory; Waseda University (1969 from CiNii)

    Articles in CiNii:1

    • PALYGORSKITE FROM THE OGANO MINE, TOCHIGI PREFECTURE, CENTRAL JAPAN (1969)
  • OTSUKA RYOHEI ID: 9000254528996

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1972 from CiNii)

    Articles in CiNii:1

    • XONOTLITE FROM THE OHMI DISTRICT, NIIGATA PREFECTURE, JAPAN (1972)
  • OTSUKA RYOHEI ID: 9000254529026

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1973 from CiNii)

    Articles in CiNii:1

    • THERMAL ANALYSIS OF STILBITE, WITH SPECIAL REFERENCE TO AN EXOTHERMIC REACTION AROUND 500°C (1973)
  • OTSUKA RYOHEI ID: 9000254529124

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1975 from CiNii)

    Articles in CiNii:1

    • Stevensite from the Kamaishi mine, Iwate prefecture, Japan. (1975)
  • OTSUKA RYOHEI ID: 9000254529195

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1976 from CiNii)

    Articles in CiNii:1

    • Serpentines associated with hydrothermal dolomite-rock at the Waka Sen-nin mine, Iwate Prefecture, Japan. (1976)
  • OTSUKA RYOHEI ID: 9000254529231

    Department of Mineral industy, school of Science and Engineering, Waseda University (1976 from CiNii)

    Articles in CiNii:1

    • Hydrated talc from Chichijima, the Ogasawara islands, Japan. (1976)
  • OTSUKA RYOHEI ID: 9000254864951

    Institute of Mineral Industry, Waseda University (1963 from CiNii)

    Articles in CiNii:1

    • ON THE MAGNETIC PROPERTIES OF NATURAL PYRRHOTITES (1963)
  • OTSUKA RYOHEI ID: 9000255846068

    Department of Mineral Resources Engineering, School of Science and Engineering (1991 from CiNii)

    Articles in CiNii:1

    • Phase change of laumontite under relative humidity-controlled conditions. (1991)
  • OTSUKA RYOHEI ID: 9000255846095

    Department of Mineral Resources Engineering, School of Science and Engineering, Waseda University (1993 from CiNii)

    Articles in CiNii:1

    • Preparation of lead oxide-montmorillonite complex. (1993)
  • OTSUKA RYOHEI ID: 9000256492225

    Department of Mineral Industry, the School of Science and Engineering, Science and Engineering Research Laboratory, Waseda University (1970 from CiNii)

    Articles in CiNii:1

    • STEVENSITE FROM THE AKATANI MINE, NIIGATA PREFECTURE, NORTHEASTERN JAPAN (1970)
  • OTSUKA RYOHEI ID: 9000256492251

    Department of Mineral Industry, School of Science and Engineering|Science and Engineering Research Laboratory, Waseda University (1973 from CiNii)

    Articles in CiNii:1

    • “HYDRATED TALC”-AN ALTERATION PRODUCT OF WOLLASTONITE BY REACTION WITH MAGNESIUM-BEARING HYDROTHERMAL SOLUTION (1973)
  • OTSUKA Ryohei ID: 9000018309558

    Department of Mineral Industry, School of Science and Engineering, Waseda University (1979 from CiNii)

    Articles in CiNii:4

    • Study of Montmorillonite with Scanning Electron Microscope : Effect of Exchangeable Cations (1979)
    • 27.Feに富む粘土鉱物のESCAスペクトル (1977)
    • 26.層状珪酸塩鉱物におけるAl, MgのESCAスペクトル (1978)
  • OTSUKA Ryohei ID: 9000020087472

    Articles in CiNii:1

    • Structure of Borate Groups in Boron-Containing Apatite (1988)
  • OTSUKA Ryohei ID: 9000020184917

    Articles in CiNii:1

    • Hydrothermal Synthesis of Kaolinite from Serpentinite (1991)
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