Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Herbert Pöllmann"'
Publikováno v:
ACS Omega, Vol 9, Iss 14, Pp 15781-15803 (2024)
Externí odkaz:
https://doaj.org/article/58e058c7c4404712bc586cf41c7f4d31
Autor:
Woshington S. Brito, André L. Mileo Ferraioli Silva, Rozineide A. A. Boca Santa, Kristoff Svensson, José Antônio da Silva Souza, Herbert Pöllmann, Humberto Gracher Riella
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
Sustainable civil construction in the future, besides having low energy consumption and greenhouse gas emissions, must also adopt the principle of reusing wastes generated in the production chain that impact the environment. The aluminum production c
Externí odkaz:
https://doaj.org/article/dc0d7e91f72a4bd9bf17e365ecebc2dd
Publikováno v:
Applied Sciences, Vol 9, Iss 6, p 1259 (2019)
The reaction of wollastonite with CO2 accompanied by SO2 and NO2 in the presence of a chloride-rich brine (230 g/L NaCl, 15 g/L CaCl2, 5 g/L MgCl2) at temperatures relevant to injection conditions (333 K) in carbon capture and storage (CCS) were inve
Externí odkaz:
https://doaj.org/article/1989b907466f4eb585d90b8885e5bc34
Publikováno v:
Applied Sciences, Vol 8, Iss 2, p 304 (2018)
The reaction of wollastonite (CaSiO3) with CO2 in the presence of aqueous solutions (H2O) and varied temperature conditions (296 K, 323 K, and 333 K) was investigated. The educts (CaSiO3) and the products (CaCO3 and SiO2) were analyzed by scanning el
Externí odkaz:
https://doaj.org/article/e5d836fa82444bd6b9781a2011fdfb15
Autor:
Marcondes Lima da COSTA, Anna Cristina Resque Lopes da SILVA, Rômulo Simões ANGÉLICA, Herbert PÖLLMANN, Walter SCHUCKMANN
Publikováno v:
Acta Amazonica, Vol 32, Iss 3, Pp 431-431 (2002)
Os muiraquitãs são artefatos líticos com formas batraquianas confeccionados principalmente em pedra verde, tipo jade, utilizados pelos povos Tapajó/Santarém e Conduri do Baixo Amazonas, dizimados pelos colonizadores europeus. Eram utilizados com
Externí odkaz:
https://doaj.org/article/9f2ffd86187149cfa4e823a1c6e0b19a
Publikováno v:
Brazilian Journal of Geology, Vol 48, Iss 3, Pp 473-484
ABSTRACT: Bauxite deposits in the Amazon region are commonly covered by yellowish clays which can reach up to 25m thick, known as Belterra Clay (BTC). In Rondon do Pará, Eastern Amazon, BTC is 13m thick and covers world-class bauxite reserves. Three
Externí odkaz:
https://doaj.org/article/4de81dfced244cc8aaa775905955088c
Publikováno v:
Advances in Cement Research. 34:356-370
Sulfobelite (belite-rich calcium sulfoaluminate (BCSA)) cements are promising alternatives to ordinary Portland cement (OPC) due to their lower carbon dioxide generation and lower energy consumption in the clinkering process. Additionally, they are c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbe73faa409100086b9ebbb6c5b9043d
https://doi.org/10.1680/jadcr.21.00118
https://doi.org/10.1680/jadcr.21.00118
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 237:287-291
The comparison of the evolution of the mechanical properties (elastic modulus and hardness) after step-wise thermal annealing for 1 and 16 h up to 900 K of a radiation-damaged pyrochlore (∼35% amorphous fraction; 1.8 wt% ThO2) provides insights to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac661a2d05f719a2fe18d63ed99f3b54
https://doi.org/10.1515/zkri-2022-0006
https://doi.org/10.1515/zkri-2022-0006
Autor:
Herbert Pöllmann, Anton Niksch
Publikováno v:
Natural Resources. 12:59-71
LDH-phases become increasingly interesting due to their broad ability to be able to incorporate many different cations and anions. The intercalation of methanesulfonate and ethanesulfonate into a Li-LDH as well as the behavior of the interlayer struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc4dd6c60c4bf2a11f86e1e7797c46e7
https://doi.org/10.4236/nr.2021.123006
https://doi.org/10.4236/nr.2021.123006
Publikováno v:
BOLETIM DO MUSEU DE GEOCIÊNCIAS DA AMAZÔNIA. 7:1-7
X-ray powder diffraction (XRPD) analysis combined with the Rietveld method is commonly used in the mineralogical quantification of a range of different samples, including soil, rocks, and many industrial materials. The combination of this technique w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a689ce2ccdce4a3d34f30c4c98a5758a
https://doi.org/10.31419/issn.2594-942x.v72020i2a3lban
https://doi.org/10.31419/issn.2594-942x.v72020i2a3lban