• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

TOKUNAGA Koh-ichi  徳永 光一

ORCIDConnect your ORCID iD *help
Researcher Number 10003740
External Links
Affiliation (based on the past Project Information) *help 1991 – 1992: 岩手大学, 農学部, 教授
1988 – 1989: 岩手大学, 農学部, 教授
1985: 岩手大学, 農, 教授
Review Section/Research Field
Principal Investigator
農業土木
Except Principal Investigator
農業土木
Keywords
Principal Investigator
permeability of soil / initially air entering voids / macropore having shape of plants roots / macropore formed by plants roots / soil macropore imaging method / soil macropore / ソイルサンプリング / 土の間隙のX線造影 / 土の透水性 / 限界間隙 … More / 根系状孔隙 / 根成孔隙 / 土の間隙造影法 / 土の間隙 / soil hardness / seedbed making / soil erosion / top soil dressing / catch levee / top soil loss by erosion / field reclamation at improved slope / 水質汚濁 / 土壌硬度 / 播種床造成 / 土壌侵食 / 表土扱い / 承水畦 / 耕土流失 / 改良山成畑工法 … More
Except Principal Investigator
specific surface area / N_2-gas adsorption method / permeability coefficient / scanning electron microscope / X-ray stereoradiograph / structure of voik in soil / orientation of soil particle / progress of shear layr / 光学顕微鏡 / 土表面構造 / 土中空隙 / 土構造 / 剪断面 / 剪断変位 / 一面剪断試験 / 土の比表面積 / 窒素ガス吸着法 / 透水係数 / 走査型電子顕微鏡 / X線造影法 / 土の空隙の構造 / 土粒子の配列 / 剪断層・剪断面の発達過程 Less
  • Research Projects

    (3 results)
  • Co-Researchers

    (6 People)
  •  Structures and physical properties of soil in shear layr

    • Principal Investigator
      KISHIMOTO Ryojiro
    • Project Period (FY)
      1991 – 1993
    • Research Category
      Grant-in-Aid for General Scientific Research (B)
    • Research Field
      農業土木
    • Research Institution
      Iwate University
  •  Studies on the perfection of radiography for soil macropores and on the application to the soil physical problems.Principal Investigator

    • Principal Investigator
      TOKUNAGA Koh-ichi
    • Project Period (FY)
      1987 – 1989
    • Research Category
      Grant-in-Aid for Developmental Scientific Research
    • Research Field
      農業土木
    • Research Institution
      Faculty of Agriculture, Iwate University
  •  Studies on the Reclamation Method for Preventing the Field from the Soil Erosion.Principal Investigator

    • Principal Investigator
      TOKUNAGA Koh-ichi
    • Project Period (FY)
      1983 – 1985
    • Research Category
      Grant-in-Aid for Developmental Scientific Research
    • Research Field
      農業土木
    • Research Institution
      Iwate University
  • 1.  BABA Hidekazu (80003789)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  ISHIDA Tomoyuki (40184535)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  KISHIMOTO Ryojiro (40224935)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  SASAKI Chouichi (30162374)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  SATO Teruo (50073979)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  KOGA Kiyoshi (70091642)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

URL: 

Are you sure that you want to link your ORCID iD to your KAKEN Researcher profile?
* This action can be performed only by the researcher himself/herself who is listed on the KAKEN Researcher’s page. Are you sure that this KAKEN Researcher’s page is your page?

この研究者とORCID iDの連携を行いますか?
※ この処理は、研究者本人だけが実行できます。

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi