Norberto Morales

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The well productivity in crystalline terrains is extremely changeable and depends on external factors, in addition to the intrinsic properties of rocks. In the Jundiaí River Catchment, Southeastern Brazil, the main factor that influences well productivity is the existence of open discontinuities permeability in geologic environments that favor groundwater(More)
Spherical ZnO microspheres were obtained in a simple system using a short time process, without catalysts, at atmospheric pressure and using water as oxidant agent. Analysis with SEM shows the microstructures have spherical shapes covered with pencil-like structures. XRD spectrum reveals that as-synthesized ZnO products crystallize in the wurtzite phase.
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