Parameter Estimation for Population Dynamics and Efficiency Evaluation of Biological Wastewater Treatment Processes von IWAI, Shigehisa

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Development of biofilm theory and especially the modeling of endogenous denitrification von IWAI, Shigehisa

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Special issue : improvement of water quality and bottom sediment of eutrophicated waters.Purificafion technology for eutrophicated lakes von IWAI, Shigehisa

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Parameters used for evaluating efficiency of biological sewage and waste water treatment von IWAI, Shigehisa

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Future of household waste water treatment and small-type combined disposal clarification tanks. For the age of advanced treatment and wide spread of disposal clarification tanks von Iwai, Shigehisa

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International Problems on Environments, especially those of Develping Countries von IWAI, Shigehisa

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Development of the biofilm process. The history and future von IWAI, Shigehisa

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Waste Recycling and 4th Symposium at Dong-A University von IWAI, Shigehisa

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Special issue : Environmental technology trends in Europe.Environmental policy of Cataluna, Spain von IWAI, Shigehisa, YAMAMOTO, Kenji, TAKAGI, Nobuhiko

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Report on ENVITEC '95 and European environmental technology inspection study von AONO, Hajime, ISII, Toshiyuki, YANAI, Kaoru, KAMIYA, Hisao, TANI, Mitsukiyo, MATSUSHITA, Jiro, IWAI, Shigehisa

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Re-evaluation of the oxidation ditch process von IWAI, Shigehisa

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Precise Theory for Biological Oxidation Process-Ann Example Applied to The Aerobic Digestion·Activated Sludge Process with An Activation Chemical Aid von IWAI, Shigehisa

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Nutrient Loadings of Lake Biwa from Non-Point Sources von IWAI, Shigehisa, INOUE, Yoriteru

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Nutrient Loadings of Lake Biwa from Non-Point Sources von IWAI, Shigehisa, INOUE, Yoriteru

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Precise Theory for Biological Oxidation Process-An Example Applied to The Aerobic Digestion Activated Sludge Process with An Activation Chemical Aid von IWAI, Shigehisa

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Present status and future of bottom sediment modification by slaked lime. 2 von IWAI, Shigehisa, UCHIDA, Chihiro, KIMATA, Hiroaki

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Discussion meeting.Problems of waste treatment technology and future prospect of waste problems von IWAI, SHIGEHISA

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Studies on ultimate use plans for completed landfills of municipal sold wastes von NAKAGAWA, Mitoshi, UMEZAWA, Atunosuke, ISIKAWA, Munetaka, IWAI, Shigehisa

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Special issue : improvement of water quality and bottom sediment of eutrophicated waters.Exawination of purification system for eutroplcated water in moats and lakes von ISHIKAWA, Munetaka, MURAKAMI, Sadaaki, NAKANISHI, Hiroshi, IWAI, Shigehisa

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Facing the execution of “phoenix project”: Foreword of this special edition von IWAI, Shigehisa

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