Titlebook: Masters Theses in the Pure and Applied Sciences; Accepted by Colleges Wade H. Shafer Book 1979 Springer Science+Business Media New York 197

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Wade H. Shaferolled by a free economy mechanism engendered the imbalance of Oasian ecosystem functioning, which manifests in groundwater level fluctuation leading, principally, to the disappearance of the Ghout oases. For sustainable and effective Saharan agro-development, it is necessary to adopt appropriate eco

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Wade H. Shafern to trickling filter design for BOD removal and nitrification, necessary modifications to the process configuration to achieve total nitrogen removal are also discussed. General guidelines for industrial trickling filter design are addressed as well.