6 resultados para Copper River and Northwestern Railway.
em Universidade do Minho
Influence of river ecological condition on changes in physico-chemical water parameters along rivers
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Dissertação de mestrado em Ecology
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Tese de Doutoramento em Biologia de Plantas
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Biofilm adhesion to metals (copper, aluminium and brass) was studied at two different velocities and pH values of 7 and 9. Both bacteria and metals showed negative surface charges at those values of pH, which tends to slow down adhesion. Film densities increased with the fluid velocity and were also affected by the pH and by the growth rate of the bacteria. Long duration tests based on heat transfer measurements were run at five different fluid velocities and at pH = 7, showing in general an asymptotic behaviour and a control of deposition by adhesion and growth phenomena.
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Dissertação de mestrado integrado em Arquitectura
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Dissertação de mestrado integrado em Engenharia Biomédica (área de especialização em Engenharia Clínica)
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Dissertação de mestrado integrado em Engenharia de Materiais