Damaris K. Pinheiro

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Ground-based observations of solar ultraviolet (UV) radiations have been carried out in Tokyo, Japan, São Martinho da Serra, Brazil, and Punta Arenas, Chile. The initial results showed that the observations were concerned with the total amount of ozone. Variations in the flux ratio between UV-B and UV-A radiation in both hemispheres show a clear(More)
Advances in technological development have resulted in high consumption of electrical and electronic equipment (EEE), amongst which are cell phones, which have LCD (liquid crystal display) screens as one of their main components. These multilayer screens are composed of different materials, some with high added value, as in the case of the indium present in(More)
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