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Experimental study on liquefaction mechanism by means of micro-mechanical method.

Research Project

Project/Area Number 12555156
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section展開研究
Research Field Civil and environmental engineering
Research InstitutionSaitama University (2002)
Hiroshima University (2000-2001)

Principal Investigator

KOMATSU Toshiko  Saitama University, Graduate School of Science and Eng., Prof., 大学院・理工学研究科, 教授 (80034396)

Co-Investigator(Kenkyū-buntansha) OZAKI Noriatsu  Hiroshima Univ., Graduate School of Eng., Research Associate, 大学院・工学研究科, 助手 (50294541)
福島 武彦  筑波大学, 地球科学系, 教授 (90124354)
Project Period (FY) 2000 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥9,200,000 (Direct Cost: ¥9,200,000)
Fiscal Year 2002: ¥2,600,000 (Direct Cost: ¥2,600,000)
Fiscal Year 2001: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 2000: ¥3,900,000 (Direct Cost: ¥3,900,000)
KeywordsVOCs / Pesticide / PAHs / Adsorption-desorption onto soil / Diffusion in soil / Fate prediction model / Micro-column method / Retardation factor / 土壌吸着・離脱
Research Abstract

The purpose of this research is to develop improved measurement methods and prediction models for transport and fate of environmental impact chemicals. The major research accomplishments can be grouped into 6 sections as follows.
1. New method for measuring chemical transport and retardation using minimal amounts of measurement time, chemical and soil : High Performance Liquid Chromatography (HPLC) based soil micro-column methods for measuring the transport and sorption of multiple environmental impact chemicals have been developed.
2. Improved methods for measuring and predicting diffusive transport of water-dissolved chemicals in undisturbed soil : A new method, called the undisturbed half-cell (UHC) method, for measuring the solute diffusion coefficient in undisturbed soil has been developed and verified for different Japanese and European soils.
3. Identification of important transport processes for adsorbing chemicals in undisturbed and macro-porous soils : Small soil particles and o … More rganic macromolecules have been shown to be mobile and able to act as carriers for adsorbed chemicals. Such particle-bound chemical transport can cause enhanced leaching of chemicals and nutrients through the soil.
4. New knowledge on the main chemical adsorption and diffusion processes in unsaturated soil systems : A comprehensive transport-fate model for a volatile organic chemical, covering both water-phase and air-phase chemical diffusion, chemical vapor sorption and hydrophobic chemical sorption, has been developed.
5. Identification of links between chemical fate processes including sorption time-dependency, internal diffusion and biodegradation : Sorption of pesticides and polycyclic aromatic hydrocarbons (PAHs) has been investigated. Improved conceptual models for adsorption-desorption non-singularity (hysteresis) and sorption time-dependency (kinetics), based on internal diffusion concepts, have been proposed.
6. Improved, soil type dependent models to predict the major transport parameters in the soil air phase : New models to predict gas diffusivity and gas permeability in soils, as a function of soil-water content and soil type (including pore size distribution parameters), have been developed and successfully verified against data for more than 50 Japanese and European soils. Less

Report

(4 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • Research Products

    (73 results)

All Other

All Publications (73 results)

  • [Publications] Yamaguchi (Komatsu), T.: "Test of HPLC Micro-Column Method for Direct Measurements of Pesticide Retardation in Soils"Soils and Foundations. 40・5. 143-148 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Poulsen, T.G.: "Predicting Volatile Organic Vapor Sorption from Soil Specific Surface Area and Texture"Journal of Environmental Quality. 29. 1642-1649 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Chen, D.: "Calculating Partitioning Coefficients of Organic Vapors in Unsaturated Soil and Clays"Soil Science. 165,3. 217-225 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P.: "Predicting the Gas Diffusion Coefficient in Sieved, Repacked Soil : Water Induced Linear Reduction Model"Soil Science Society of America. 64,5. (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 尾崎則篤: "市街地への多環芳香族炭化水素類の地表面堆積とその雨天時流出"環境工学研究論文集. 37. 403-409 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T.: "Modified Half-Cell Method for Measuring the Solute Diffusion Coefficient in Undisturbed, Unsaturated Soil"Soil Science. 165,11. 835-840 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T.: "Constant Slope Linear Impedance Factor Model for Predicting the Solute Diffusion Coefficient in Unsaturated Soil"Soil Science. 166,2. 89-96 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Poulsen, T.G.: "Spatial and Temporal Dynamics of Air Permeability in a Constructed Field"Soil Science. 166,3. 153-162 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P.: "Tortuosity, Diffusivity, and Permeability in the Soil Liquid and Gaseous Phases"Soil Science Society of America Journal. 65,3. 613-623 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] de Jonge, H.: "Glyphosate Sorption in Soils of Different pH and Phosphorus Content"Soil Science. 166,4. 230-238 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 本下 晶晴: "降雨時における土壌カラムからのコロイド粒子の流出挙動"土木学会論文集. 678/VII-19. 111-122 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T.: "Diffusion of Sorbing Organic Chemicals in the Liquid and Gaseous Phases of Repacked Soil"Soil Science Society of America Journal. 65,6. 1585-1593 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 本下晶晴: "降雨時における表層土壌カラムからのコロイド粒子と溶存有機物の流出特性"土木学会論文集. 706/VII-23. 61-76 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Schelde, K.: "Diffusion-limited Mobilization and Transport of Natural Colloids in Macroporous Soil"Journal of Vadose Zone Hydrology. 1,1. 126-136 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P.: "Air Permeability in Undisturbed Volcanic Ash Soils : Predictive Model Tests and Soil Structure Fingerprint"Soil Science Society of America Journal. 67,1. 32-40 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P.: "Gas Diffusivity in Undisturbed Volcanic Ash Soils : Test of Soil-Water Characteristic Based Models"Soil Science Society of America Journal. 67,1. 41-51 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Gamst, J.: "Comparison of Naphthalene Diffusion and Nonequilibrium Adsorption-desorption Experiments"Soil Science Society of America Journal. 67,3(in press). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Motoshita, M.: "Soil Constituent Facilitated Transport of Phosphorus from a High-P Surface Soil"Soils and Foundations. (in press). (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Motoshita, M.: "Colloid Release Velocities in Soil Columns during Short-and Long-term Multiple Irrigation Events"Proceedings of the International Workshop on Colloids and Colloid-Facilitated Transport of Contaminants in Soils and Sediments. 80. 149-156 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P.: "Gas Diffusivity and Air Permeability in Volcanic Ash Soils : Pore-size-distribution Based Prediction Models"Proceedings of 44th Soil Physics Society of Japan Annual Meetings. 44. 30-37 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Yamaguchi, T., T.G. Poulsen, P. Moldrup, and D.E. Rolston: "Test of HPLC Micro-Column Method for Direct Measurements of Pesticide Retardation in Soils"Soils and Foundations (地盤工学会論文報告集). 40, No.5. 143-148 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Poulsen, T.G., T. Yamaguchi, P. Moldrup, L.W, de Jonge, and D.E. Rolston: "Predicting Volatile Organic Vapor Sorption from Soil Specific Surface Area and Texture"Journal of Environmental Quality. 29. 1642-1649 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Chen, D., D.E. Rolston, and T. Yamaguchi: "Calculating Partitioning Coefficients of Organic Vapors in Unsaturated Soil and Clays"Soil Science. 165, No.3. 217-225 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P., T. Olesen, J. Gamst, P. Schj_nning, T. Yamaguchi, and D.E. Rolston: "Predicting the Gas Diffusion Coefficient in Sieved, Repacked Soil : Water Induced Linear Reduction Model"Soil Science Society of America. 64, No.5. 1588-1594 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 37. 403-409 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T, P. Moldrup. T. Yamaguchi, H.H. Nissen, and D.E. Rolston: "Modified Half-Cell Method for Measuring the Solute Diffusion Coefficient in Undisturbed, Unsaturated Soil"Soil Science. 165, No.11. 835-840 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T., P, Moldrup, T. Yamaguchi, and D.E. Rolston: "Constant Slope Linear Impedance Factor Model for Predicting the Solute Diffusion Coefficient in Unsaturated Soil"Soil Science. 166, No.2. 89-96 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Poulsen, T.G., B.V. Iversen, T. Yamaguchi, P. Moldrup, and P. Schjoenning: "Spatial and Temporal Dynamics of Air Permeability in a Constructed Field"Soil Science. 166, No.3. 153-162 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P., T. Olesen, T. Komatsu, P. Schjoenning, and D.E. Rolston: "Tortuosity, Diffusivity, and Permeability in the Soi Liquid and Gaseous Phases"Soil Science Society of America Journal. 65, No.3. 613-623 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] de Jonge, H., L.W. de Jonge, O.H. Jacobsen, T. Yamaguchi, and P. Moldrup: "Glyphosate Sorption in Soils of Different pH and Phosphorus Content"Soil Science. 166, No.4. 230-238 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] No.678/VII-19. 111-122 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Olesen, T., J. Gamst, P. Moldrup, T. Komatsu, and D.E. Rolston: "Diffusion of Sorbing Organic Chemicals in the Liquid and Gaseous Phases of Repacked Soil"Soil Science Society of America Journal. 65, No. 6. 1585-1593 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] No.706/VII-23. 61-76 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 39. 167-176 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Komatsu, T., H. Kawashima, M. Motoshita, P. MoJdrup, N. Ozaki, and T. Fukushima: "Retardation of Multiple Environmental Impact Chemicals in Soils : Direct Measurements by Impulse Type HPLC Micro-colum Method"Environmental Engineering Research. 39. 167-482 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Schelde, K., P. Moldrup, O.H. Jacobsen, H. de Jonge, L W. de Jonge, and T. Komatsu: "Diffusion-limited Mobilization and Transport of Natural Colloids in Macroporous Soil"Journal of Vadose Zone Hydrology. 1, No.1. 125-136 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P., S. Yoshikawa, T. Olesen, T Komatsu, and D.E. Rolston: "Air Permeability in Undisturbed Volcanic Ash Soils Predictive Model Tests and Soil Structure Fingerprint"Soil Science Society of America Journal. 67, No.1. 32-40 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup, P., S. Yoshikawa, T. Olesen, T Komatsu, and D.E. Rolston: "Gas Diffusivity in Undisturbed Volcanic Ash Soils Test of Soil-Water-Characteristic-Based Predictive Models"Soil Science Society of America Journal. 67, No.1. 41-51 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Motoshita M., Komatsu T., Moldrup P., Ozaki N. and de Jonge L. W.: "Colloid Release Velocities in Soil Columns during Short- and Long-term Multiple Irrigation Events, Proceedings of the International Workshop on Colloids and Colloid-Facilitated Transport of Contaminants in Soils and Sediments, DIAS report"Plant Production. 80. 149-156 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Moldrup P., Yoshikawa S., Komatsu T., Olesen T, and Rolston D.E.: "Gas Diffusivity and Air Permeability in Volcanic Ash Soils : Pore-size-distribution Based Prediction Models"Proceedings of 44th Soil Physics Society of Japan Annual Meetings Special Symposium on Gas Transport Processes. 30-37 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Gamst,J.,P.Moldrup,D.E.RoIston,K.M.Scow,andT Komatsu: "Comparison of Naphthalene Diffusion and Nonequilibrium Adsorption-desorption Experiments"Soil Science Society of America Journal. 67, No.3(in press). (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Yamaguchi(Komatsu), T.: "Test of HPLC Micro-Column Method for Direct Measurement of Pesticide Retardation in Soils"Soils and Foundations. 40,5. 143-148 (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] Poulsen, T.G.: "Predicting Volatile Organic Vapor Sorption from Soil Specific Surface Area and Texture"Journal of Environmental Quality. 29. 1642-1649 (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] Chen, D.: "Calculating Partitioning Coefficients of Organic Vapors in Unsaturated Soil and Clays"Soil Science. 165,3. 217-225 (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Predicting the Gas Diffusion Coefficient in Sieved, Repacked Soil : Water Induced Linear Reduction Model"Soil Science Society of America. 64,5. (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] 尾崎則篤: "市街地への多環芳香族炭化水素類の地表面堆積とその雨天時流出"環境工学研究論文集. 37. 403-409 (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] Olesen, T.: "Modified Half-Cell Method for Measuring the Solute Diffusion Coefficient in Undisturbed, Unsaturated Soil"Soil Science. 165,11. 835-840 (2000)

    • Related Report
      2002 Annual Research Report
  • [Publications] Olesen, T.: "Constant Slope Linear Impedance Factor Model for Predicting the Solute Diffusion Coefficient in Unsaturated Soil"Soil Science. 166,2. 89-96 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] Poulsen, T.G.: "Spatial and Temporal Dynamics of Air Permeability in a Constructed Field"Soil Science. 166,3. 153-162 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Tortuosity, Diffusivity, and Permeability in the Soil Liquid and Gaseous Phases"Soil Science Society of America Journal. 65,3. 613-623 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] de Jonge, H.: "Glyphosate Sorption in Soils of Different pH and Phosphorus Content"Soil Science. 166,4. 230-238 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] 本下晶晴: "降雨時における土壌カラムからのコロイド粒子の流出挙動"土木学会論文集. 678/VII-19. 111-122 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] Olesen, T.: "Diffusion of Sorbing Organic Chemicals in the Liquid and Gaseous Phases of Repacked Soil"Soil Science Society of America Journal. 65,6. 1585-1593 (2001)

    • Related Report
      2002 Annual Research Report
  • [Publications] 本下晶晴: "降雨による表層土壌カラムからのコロイド粒子と溶存有機物の流出特性"土木学会論文集. 706/VII-23. 61-76 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Schelde, K.: "Diffusion-limited Mobilization and Transport of Natural Colloids in Macroporous Soil"Journal of Vadose Zone Hydrology. 1,1. 126-136 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Air Permeability in Undisturbed Volcanic Ash Soils : Predictive Model Tests and Soil Structure Fingerprint"Soil Science Society of America Journal. 67,1. 32-40 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Gas Diffusivity in Undisturbed Volcanic Ash Soils : Test of Soil-Water Characteristic Based Models"Soil Science Society of America Journal. 67,1. 41-51 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Gamst, J.: "Comparison of Naphthalene Diffusion and Nonequilibrium Adsorption-desorption Experiments"Soil Science Society of America Journal. 67,3(in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Motoshita, M.: "Soil Constituent Facilitated Transport of Phosphorus from a High-P Surface Soil"Soils and Foundations. (in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Motoshita, M.: "Colloid Release Velocities in Soil Columns during Short-and Long-term Multiple Irrigation Events"Proceedings of the International Workshop on Colloids and Colloid-Facilitated Transport of Contaminants in Soils and Sediments. 80. 149-156 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Gas Diffusivity and Air Permeability in Volcanic Ash Soils : Pore-size-distribution Based Prediction Models"Proceedings of 44th Soil Physics Society of Japan Annual Meetings. 44. 30-37 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Moldrup, P.: "Tortuosity, Diffusivity, and Permeability in the Soil Liquid and Gaseous Phases"Soil Science Society of America Journal. 65. 613-623 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] 木下 昌晴: "降雨時における土壌カラムからのコロイド粒子の流出挙動"土木学会論文集. 678/VII-19. 111-122 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Gamst, J.: "Time-dependent Naphthalene Adsorption and Sorption Isotherm Parameters for Differently Textured Soils"Soil Science Society of America Journal. (in press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Moldrup, P.: "Gas Diffusivity in Undisturbed Volcanic Ash Soils : Test of Soil-Water Characteristic Based Models"Soil Science Society of America Journal. (in press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Schelde, K.: "Diffusion-limited Mobilization and Transport of Natural Colloids in Macroporous Soil"Journal of Vadose Zone Hydrology. (in press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] Yamaguchi(Komatsu),T.: "Test of HPLC micro-column method for direct measurements of pesticide retardation in soils"Soils and Foundations. 40(5). 143-148 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Olesen,T.: "Undisturbed half-cell method for measuring the solute diffusion coefficient in unsaturated soil"Soil Science. 165(11). 835-840 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Olesen,T.: "Constant slope linear impedance factor model for predicting the solute diffusion coefficient in unsaturated soil"Soil Science. (in press). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Moldrup,P.: "Predicting the gas diffusion coefficient in repacked soil : Water-induced linear reduction model"Soil Science Society of America Journal. 64(5). 1588-1594 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Moldrup,P.: "Tortuosity, diffusivity, and permeability in the soil liquid and gaseous phases"Soil Science Society of America Journal. (in press). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Chen,D.: "Calculating partition coefficients of organic vapors in unsaturated soil and clays"Soil Science. 165(3). 217-225 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 尾崎則篤: "市街地への多環芳香族炭化水素類の地表面堆積とその雨天時流出"環境工学研究論文集. Vol.37. 403-409 (2000)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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