Zobrazeno 1 - 10
of 180
pro vyhledávání: '"Reiner NE"'
Autor:
Antonieta Middea, Luciana dos Santos Spinelli, Fernando Gomes de Souza Junior, Thais de Lima Alves Pinheiro Fernandes, Luiz Carlos de Lima, Vitoria Maria Tupinamba Souza Barthem, Otávio da Fonseca Martins Gomes, Reiner Neumann
Publikováno v:
Mining, Vol 4, Iss 1, Pp 37-57 (2024)
This work focuses on the characterization of five palygorskite clays from the Brazilian state of Piaui and their feasibility as eco-friendly adsorbents for the removal of Fe3+ ions from aqueous solutions. For characterization, we applied the techniqu
Externí odkaz:
https://doaj.org/article/3cf5fc6fef9742cfb103ff0c80636b85
Autor:
Edla Maria Bezerra Lima, Renata Nunes Oliveira, Antonieta Middea, Izabela Miranda de Castro, Mariana da Costa Mattos, Thiago Torres Matta Neves, Lucas Felix da Costa, Reiner Neumann, Maria Inês Bruno Tavares
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 5, Pp 1783-1791 (2022)
The research of polylactic acid (PLA) packaging materials with high degradation rate is important toward high rate biodegradable packaging materials. The samples (PLA-mango seed residue-clays) were evaluated by degradation analysis (in water and in s
Externí odkaz:
https://doaj.org/article/682772788a3e4f478c484a2ba65fc0d6
Autor:
Peter Homewood, Monique Mettraux, Michael Vanden Berg, Anneleen Foubert, Reiner Neumann, Dennis Newell, Genevieve Atwood
Publikováno v:
The Depositional Record, Vol 8, Iss 1, Pp 9-38 (2022)
Abstract Non‐marine carbonates at Lakeside (Utah) are the depositional record of transitional shoreline palaeoenvironments around 1,285 m, as lake elevation fell from Lake Bonneville levels to low‐stand Great Salt Lake levels of 1,284–1,278 m.
Externí odkaz:
https://doaj.org/article/71b7a811481e421e914074c09d0d9585
Autor:
Pedro Paulo Medeiros Ribeiro, Larissa Chiesa Mendonça de Souza, Reiner Neumann, Iranildes Daniel dos Santos, Achilles Junqueira Bourdot Dutra
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 12404-12415 (2020)
The sulfation-roasting-leaching process has successfully been used to extract nickel and cobalt from laterites due to its flexibility for application to ores with different chemical and mineralogical characteristics. One of the main characteristics o
Externí odkaz:
https://doaj.org/article/526e46258e2945b1bd9900d596755e0c
Autor:
Matheus Lamas Machado, Claudio Gerheim Porto, Licia Santoro, Francesco Putzolu, Reiner Neumann, Artur Bastos Neto, Helena Polivanov, Richard Herrington
Publikováno v:
Brazilian Journal of Geology, Vol 51, Iss 3 (2021)
Abstract The Santa Fé Ni laterite deposit (Brazil) developed as a consequence of weathering of serpentinized dunites that produced a regolith in which the main Ni ore zone is a ferruginous saprolite with chlorite as the main ore-carrier along with N
Externí odkaz:
https://doaj.org/article/73030272dd304d8a9be41ba2e8f148f6
Autor:
Sarah Siqueira da Cruz Guimarães Sousa, Ciro Alexandre Ávila, Reiner Neumann, Fabiano Richard Leite Faulstich, Felipe Emerson André Alves, Taís Proença Cidade, Victor Hugo Riboura Menezes da Silva
Publikováno v:
Brazilian Journal of Geology, Vol 51, Iss 1 (2020)
Abstract The pegmatites of the São João del Rei Pegmatitic Province are related to the Siderian protoliths of the Cassiterita and Resende Costa orthogneisses and to the Ritápolis metagranitoid of Ryacian age. Chemical analysis of garnet from twelv
Externí odkaz:
https://doaj.org/article/ee27cedcac56496d9ce97038e34a1699
Autor:
Taís Proença Cidade, Ciro Alexandre Ávila, Dr., Reiner Neumann, Dr., Fabiano Richard Leite Faulstich, Victor Hugo Riboura Menezes da Silva, Sarah Siqueira da Cruz Guimarães Sousa, MSc.
Publikováno v:
Geologia USP. Série Científica, Vol 20, Iss 3 (2020)
O estudo de minerais pesados representa uma importante ferramenta para a correlação entre pegmatitos, pois corpos espacialmente próximos e com mineralogia semelhante são normalmente interpretados como cogenéticos e provenientes de uma mesma font
Externí odkaz:
https://doaj.org/article/f85d22f468bb40c294d1c74f22811bdd
Autor:
Sarah Siqueira da Cruz Guimarães Sousa, Eliane Guedes, João Wagner Alencar Castro, Ciro Alexandre Ávila, Reiner Neumann
Publikováno v:
Anuário do Instituto de Geociências, Vol 41, Iss 2, Pp 318-331 (2018)
The chemical composition of garnet, together with the analysis of the heavy minerals and their textures, is an important tool for accurate sedimentary provenance studies. The coastal segment of Northern Rio de Janeiro State, limited by the deltas of
Externí odkaz:
https://doaj.org/article/d48001567a6048189861c468dc36fb63
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Akademický článek
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