Rafael Moreira

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Tributyltin (TBT) contamination remains a major problem worldwide. Many laboratories are committed to the development of remediation methodologies that could help reduce the negative impact of this compound in the environment. Furthermore, it is important to have at hand simple methodologies for evaluating TBT toxicity in the laboratory, besides the use of(More)
The aim of this study was to analyze the human orbital asymmetry during development. One hundred twenty-seven identified human dry skulls, with sex, age, date and cause of death record, in good preservation state, were used. Bones that had evidence of trauma, malformations or other pathology were excluded. The sample was divided into 4 age groups:(More)
This work presents some methods to improve visual-ization of a digital featured terrain. We used the well-known billboard structure and applied approaches such as transparency technique and some view-dependent control like complex object culling and multi-resolution imaging. This work also builds a billboard hierarchy gathering into groups those ones with(More)
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