28 results on '"Angelica, Rômulo Simões"'
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2. Changes in the surface water quality of a tropical watershed in the southeastern amazon due to the environmental impacts of artisanal mining
3. In utero and lactational exposure to methylmercury elicits physical-chemical and morphological damages in the alveolar bone of offspring rats: The first toxicological findings
4. Geochemical mapping in stream sediments of the Carajás Mineral Province, part 2: Multi-element geochemical signatures using Compositional Data Analysis (CoDA)
5. Assessment of compatibility between historic mortars and lime-METAKAOLIN restoration mortars made from amazon industrial waste
6. Regional-scale mapping for determining geochemical background values in soils of the Itacaiúnas River Basin, Brazil: The use of compositional data analysis (CoDA)
7. A proposal for rapid grade control of gibbsitic bauxites using multivariate statistics on XRD data
8. Geochemical mapping in stream sediments of the Carajás Mineral Province: Background values for the Itacaiúnas River watershed, Brazil
9. Investigation of historical mortars from Belém do Pará, Northern Brazil
10. Source and background threshold values of potentially toxic elements in soils by multivariate statistics and GIS-based mapping: a high density sampling survey in the Parauapebas basin, Brazilian Amazon
11. Thermal and in vitro digestion stability of folic acid in bread
12. Geochemical mapping and background concentrations of iron and potentially toxic elements in active stream sediments from Carajás, Brazil – implication for risk assessment
13. Gibbsite-kaolinite waste from bauxite beneficiation to obtain FAU zeolite: Synthesis optimization using a factorial design of experiments and response surface methodology
14. Enhancing iron biogeochemical cycling for canga ecosystem restoration: insights from microbial stimuli.
15. Shallow lacustrine system of the Permian Pedra de Fogo Formation, Western Gondwana, Parnaíba Basin, Brazil
16. The metal alloys from the XIX century and weathering action in the Mercado do Ver-o-Peso building, northern Brazil: Identification with the usage of laboratory analysis
17. Use of 29Si and 27Al MAS NMR to study thermal activation of kaolinites from Brazilian Amazon kaolin wastes
18. Hydrothermal synthesis of Na-birnessite-type material using ores from Carajás (Amazon Region, Brazil) as Mn source
19. Esterification of oleic acid using 12-tungstophosphoric supported in flint kaolin of the Amazonia
20. Factors of paleosol formation in a Late Cretaceous eolian sand sheet paleoenvironment, Marília Formation, Southeastern Brazil
21. The contribution of lateritization processes to the formation of the kaolin deposits from eastern Amazon
22. Paleoclimatic interpretations from pedogenic calcretes in a Maastrichtian semi-arid eolian sand-sheet palaeoenvironment: Marília Formation (Bauru Basin, southeastern Brazil)
23. The modified clay performance in adsorption process of Pb2+ ions from aqueous phase—Thermodynamic study
24. Characterization of clays used in the ceramic manufacturing industry by reflectance spectroscopy: An experiment in the São Simão ball-clay deposit, Brazil
25. Influence of the acid activation of pillared smectites from Amazon (Brazil) in adsorption process with butylamine
26. Source and background threshold values of potentially toxic elements in soils by multivariate statistics and GIS-based mapping: a high density sampling survey in the Parauapebas basin, Brazilian Amazon
27. Dental enamel bleached for a prolonged and excessive time: Morphological changes
28. Study on the NaOH/metakaolin Ratio and Crystallization Time for Zeolite a Synthesis from Kaolin Using Statistical Design
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