Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Juan Alfredo Guevara Carrió"'
Autor:
AUGUSTO NOBRE GONÇALVES, ANDRESSA DE AGUIAR OLIVEIRA, CAROLINA COMIN TEGON, JUAN ALFREDO GUEVARA CARRIÓ, MAURO CESAR TERENCE
Publikováno v:
Revista Águas Subterrâneas, Vol 0, Iss 0 (2019)
O óxido de grafeno (GO) tem sido objeto de diversos estudos nos últimos anos devido ao fenômeno atípico de transporte de água através de sua estrutura. A descoberta desse fenômeno abriu a possibilidade de uso do GO em um conjunto de aplicaçõ
Externí odkaz:
https://doaj.org/article/6e247cbfa4ba45d49e847effb8f37cbe
Autor:
AUGUSTO NOBRE GONÇALVES, DAYANE SILVA RAFAEL, NAYARA DE SOUZA PEREIRA, JUAN ALFREDO GUEVARA CARRIÓ
Publikováno v:
Revista Águas Subterrâneas, Vol 0, Iss 0 (2019)
O Complexo Ultrabásico Alcalino de Jacupiranga possui rochas naturalmente enriquecidas em minerais de composição metálica e, devido ao clima quente e úmido que favorece a ação do intemperismo químico, permite o desenvolvimento de camadas de s
Externí odkaz:
https://doaj.org/article/9fea3069dcd94478b01e62720973dab7
Publikováno v:
Defect and Diffusion Forum. 371:131-134
Graphene was obtained by electrochemical exfoliation of graphite and metal/graphite electrodes of different compositions and electrical conductivities. Metal/graphite electrodes were prepared using high purity copper and nickel precursor and commerci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22c65d01ce60b0a7c071682184861a77
https://doi.org/10.4028/www.scientific.net/ddf.371.131
https://doi.org/10.4028/www.scientific.net/ddf.371.131
Autor:
Juan Alfredo Guevara Carrió, Slaven Garaj, Charlotte Constans, Marcos Vinicius Surmani Martins, Seunghyun Hong, Y. C. Seow
Publikováno v:
Nano Letters. 17:728-732
Nanostructured graphene-oxide (GO) laminate membranes, exhibiting ultrahigh water flux, are excellent candidates for next generation nanofiltration and desalination membranes, provided the ionic rejection could be further increased without compromisi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d8147fb731656e35bbbb13f47209762
https://doi.org/10.1021/acs.nanolett.6b03837
https://doi.org/10.1021/acs.nanolett.6b03837
Autor:
M.V. Surmani, E.F. Camargo, Mauro Cesar Terence, W.A. Monteiro, L.D. Luongo, Juan Alfredo Guevara Carrió
Publikováno v:
Defect and Diffusion Forum. 369:12-16
Cermets with four different compositions of lanthanum and cerium oxide in Cu-Ni-Ag alloy as metallic matrix were fabricated by powder metallurgy and characterized by their structural and physical properties. It was detected the formation of intermeta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8ff0ad20e0a84f6bf2c6b7a1e99d69b
https://doi.org/10.4028/www.scientific.net/ddf.369.12
https://doi.org/10.4028/www.scientific.net/ddf.369.12
Publikováno v:
Defect and Diffusion Forum. 371:128-130
Crystalline cellulose can be obtained from alternative sources like waste wood by hydrolysis with hydrochloric or sulfuric acid. In this study we report a process for producing crystals with high cellulose crystallinity index of approximately 82%. We
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb9caacf1a74f31b3c978d990b6b04cd
https://doi.org/10.4028/www.scientific.net/ddf.371.128
https://doi.org/10.4028/www.scientific.net/ddf.371.128
Publikováno v:
Journal of Nano Research. 38:96-100
Two-dimensional films of graphene oxide (GO) have been synthesized using various oxidation methods such as the conventional or modified Hummers method. The redox method for graphite has shown promise at producing GO films on a large scale. However, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b93c991edfadacf697adaa5dfbf45654
https://doi.org/10.4028/www.scientific.net/jnanor.38.96
https://doi.org/10.4028/www.scientific.net/jnanor.38.96
Autor:
Luís Carlos Elias da Silva, Waldemar Alfredo Monteiro, Juan Alfredo Guevara Carrió, G.G. Previatti, E.C. Oliveira
Publikováno v:
Materials Science Forum. 802:72-77
The synthesis, microstructural, electrical and mechanical properties characterization of composites based on Cu-Ni–Ag-Al2O3is a work that exposes the investigation of the correlation of the microstructures formed in the material with its physical p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2190a6e491fac1458a2cf68d8e0fe060
https://doi.org/10.4028/www.scientific.net/msf.802.72
https://doi.org/10.4028/www.scientific.net/msf.802.72
Autor:
D.S. Motta, Luís Carlos Elias da Silva, Waldemar Alfredo Monteiro, Juan Alfredo Guevara Carrió, M.A.R. Santos
Publikováno v:
Materials Science Forum. 802:78-83
It has been studied the correlation of the obtained microstructures in cermets of Cu-Cr-Ag-Al2O3with the physical properties and the fabrication method varying the components proportions to obtain by powder metallurgy a material with good electrical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c6c7c43f05097385d6bf5f63ad21695
https://doi.org/10.4028/www.scientific.net/msf.802.78
https://doi.org/10.4028/www.scientific.net/msf.802.78
Publikováno v:
Journal of Nano Research. 29:29-33
We analyze graphene obtained by electrochemical exfoliation. This showed an interesting process for obtaining fast and low cost exfoliated graphene. Within a few minutes a large amount exfoliated graphite oxide was produced. Analysis by Raman spectro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83ea855aa3e9055c97b7c676d9506ff9
https://doi.org/10.4028/www.scientific.net/jnanor.29.29
https://doi.org/10.4028/www.scientific.net/jnanor.29.29