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actinoptychus splendens aqueous solution reactor chaban dimensionless constant durangites harbor porpoise human interference Joule-Clausius velocity moreover Novomaksimovskiy phenylethylidenehydrazine poor mixture postiglione reverse electro-pneumatic valve rosenthal-kloepfer syndrome(acromegaloid pheno-typ running service spacer contact point Virginia Bright Leaf wind correction yewtec corporation