- 2022 - 2025 インドネシアを対象としたプラスチック類の河川からの流出量の実態調査
- 2018 - 2022 カンボジアを例とした科学的根拠に基づく効率的な水域モニタリング手法の開発
- 2017 - 2020 Evaluation and dynamics analysis for phosphorus load from the watershed using bioavailable phosphorus
- 2012 - 2014 Dynamics of mercury in forest watershed
- 2011 - 2014 Reconstruction of estuarine environments in an era of global warming
- 2010 - 2012 Investigation of Mercury Contamination in the Intensive Artisanal and Small-scale Gold Mining Area in Indonesia
- 2009 - 2011 流域からの栄養塩流出と三河湾への影響評価
- 2008 - 2010 インドネシアにおける水銀汚染の実態解明
- 2008 - 2010 Investigation of distribution and transportation of gaseous mercury by multi-points measurement with passive samplers
- 2005 - 2007 Study on structure of environmental problems in an inner bay from viewpoint of long-term change of watershed, estuary and ocean. -Arase study in Hamana Lake
- 2005 - 2006 Kahayan river survey for mercury pollutant by gold mining in Kalimantan, Indonesia
- 2004 - 2005 加水分解アルミニウムポリマーに対するウイルスの不可逆吸着と不活化
- 2002 - 2004 Virus Inactivation in Coagulants : Secondary Effect of Aluminum and Iron Coagulation Reactions
- 2002 - 2004 Development of determination method of bioavailable phosphorus using algal growth potential and sequence extraction and evaluation its runoff loading
- 2001 - 2003 Hybrid System of Adsorption and Membrane Separation
- 2001 - 2003 Prediction of chemicals runoff m watershed based on the combined water and mass transfer model
- 2000 - 2002 Attachment Mechanism and Control Efficacy of an Adhesive Nuisance Mussel, Limnoperna fortunei, for Coating and Materials
- 2000 - 2001 Environment and its Conservation of Bog Mire -On Sarobetsu Mire-
- 1998 - 1999 懸濁態リンの藻類利用可能性測定のための環境水中懸濁物質の分離手法の開発と応用
- 1997 - 1998 Conservation of Water Environment and Vegetation in Mire
- 1995 - 1995 環境保全型耕地としての水田群システムの将来設計
- 1995 - 1995 水田施用農薬の吸着・分解特性と河川への流出機構に関する研究
- 1993 - 1995 INCREASE OF NITRETE ION IN PRECIPITATION,SOIL WATER,GROUNDWATER,RIVER WATER AND LAKE WATER AND ESTIMATION OF THEIR LINKAGE
- 1993 - 1993 環境保全型耕地としての水田群システムの将来設計
- 1992 - 1993 Study on determination of bio-available phosphorus and bio-activity in aquatic environments by radioisotropic method.
- 1987 - 1989 Runoff Behaviors of Micropollutants in Rivers
- Water Quality Analysis of Fresh Water
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