Zobrazeno 1 - 8
of 8
pro vyhledávání: '"E. B. de Araujo"'
Autor:
V. D. dos Santos, A. R. F. de Almeida, Fernanda Pedroso Guterres, W. H. Flores, E. O. da Silva, E. B. de Araujo, Ricardo Zottis
Publikováno v:
International Journal of Environmental Science and Technology. 17:3723-3740
This study investigates the methylene blue adsorption by ryegrass by-products. Milled ryegrass straw (Lolium multiflorum Lam.), treated straw, and the biochar produced from the straw with chemical activation with sodium hydroxide solution were used a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c696a105ef5ebbdf937d8591ac0eb79e
https://doi.org/10.1007/s13762-020-02718-9
https://doi.org/10.1007/s13762-020-02718-9
Autor:
E. B. De Araujo, Antonio Sergio Bezerra Sombra, J. A. C. De Paiva, Joäo Alberto Holanda de Freitas
Publikováno v:
Journal of Physics and Chemistry of Solids. 59:689-694
Optical and structural properties of lithium niobophosphate glasses, with composition [xNb2O5 · (50 − x)P2O5 · 50Li2O]:yFe2O3, were studied by X-ray powder diffraction, in spectroscopies. Precipitation of ferroelectric LiNbO3 crystals was confirm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::237c4d7421160a60ede10c9ac422c2d8
https://doi.org/10.1016/s0022-3697(97)00228-x
https://doi.org/10.1016/s0022-3697(97)00228-x
Autor:
J. A. C. De Paiva, R.S. de Oliveira, E. B. De Araujo, J. A. Magalhaes De Abreu, Antonio Sergio Bezerra Sombra
Publikováno v:
Canadian Journal of Physics. 75:747-758
Lithium niobate glasses dE%.Nb O ( fD 3 % )P O ) . 0.5Li O) : + Fe O were studied using thermally stimulated depolarization and polarization current TSDC/TSPC, infrared (IR) spectroscopy, and X-ray powder diffraction. Thermally stimulated polarizatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::990146cb5deed53ea1481a8650ea5f73
https://doi.org/10.1139/p97-001
https://doi.org/10.1139/p97-001
Publikováno v:
physica status solidi (b). 197:231-240
Lithium niobium-phosphate glasses [(x Nb 2 O 5 (0.5 - x) P 2 O 5 ) 0.5 Li 2 O]: y Fe 2 O 3 were studied using 57 Fe Mossbauer and infrared spectroscopy. The use of both techniques gives new information about the structure and crystalline phases in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51b24636edeea7da2948b9797aabc160
https://doi.org/10.1002/pssb.2221970130
https://doi.org/10.1002/pssb.2221970130
Publikováno v:
Physica Scripta. 53:104-107
Niobophosphate glasses [(xNb2O5(0.5 − x)P2O5)0.5Li2O]: yFe2O3 were prepared by the melt-quenching method and analysed by means of infrared spectroscopy and x-ray powder diffraction. LiNbO3 crystals were detected for high niobium contents samples. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::035186391e3a3f34d8d167ff96d0e9b9
https://doi.org/10.1088/0031-8949/53/1/020
https://doi.org/10.1088/0031-8949/53/1/020
Publikováno v:
Journal of Physics: Condensed Matter. 7:9723-9730
Lithium niobophosphate glasses [(xNb2O5.(0.5-x)P2O5).0.5Li2O]:yFe2O3 were studied using infrared spectroscopy and X-ray powder diffraction. The use of the two techniques gives new information about the structure of niobium phosphate glasses and glass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43ab849f6853d6506776c7325df17533
https://doi.org/10.1088/0953-8984/7/50/006
https://doi.org/10.1088/0953-8984/7/50/006
Publikováno v:
Physica Status Solidi (a). 147:585-589
The study of the complex dielectric function of LiNbO3: Fe (LBN: Fe) single crystals reveals the presence of well-defined low-frequency relaxations associated to Fe ions. This relaxation process is very sensitive to iron doping, heat treatment, and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb080b605e45535c90768cde62457b29
https://doi.org/10.1002/pssa.2211470229
https://doi.org/10.1002/pssa.2211470229
Publikováno v:
American journal of dentistry. 13(1)
A simple technique using microabrasion with hydrochloric acid/pumice and resin-based composite to improve the esthetics of discolored anterior teeth is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::37e599845d4b59ea97fcea1880e1e17a
https://pubmed.ncbi.nlm.nih.gov/11763905
https://pubmed.ncbi.nlm.nih.gov/11763905