Zobrazeno 1 - 10
of 22
pro vyhledávání: '"J. M. Saniger Blesa"'
Publikováno v:
Technovation. 30:533-539
Precompetitive technology (PT) refers to devices, equipment, software or processes primarily developed at universities in developing countries for research or teaching as a result of externally financed projects contracted between the university inst
Autor:
F. Caldecalderón-Piñar, J. Costa Marrero, J. M. Saniger Blesa, A. Suárez-Gómez, Célia de Fraga Malfatti
Publikováno v:
International Journal of Modern Physics B. 23:4881-4887
Compositions with x=0.1, 0.2, 0.4, and 0.5 in the system ( Pb 0.95 Sr 0.05)·( Zr 0.53 Ti 0.47) O 3+x wt % Cr 2 O 3 (PSZTC) were synthesized using conventional ceramic method. Addition of Cr 2 O 3 stabilized the tetragonal phase against the rhombohed
Publikováno v:
Bulletin of Materials Science. 32:381-386
The effects of sintering temperature (T sinter) and sintering time (t sinter) were investigated for Pb0·95Sr0·05(Zr0·53Ti0·47)O3 + x%wtCr2O3 system to determine the optimum regimen of sintering. The study was performed by determining the followin
Autor:
J. M. Saniger Blesa, Patricia Pérez-Romo, José J. Fripiat, Norma A. Sánchez-Flores, Graciela Pacheco-Malagón, Jorge Alcaraz, H. Armendariz, L. Baños, M.L. Guzmán-Castillo, Jaime S. Valente
Publikováno v:
Journal of Colloid and Interface Science. 323:359-364
Well crystallized silicalite-1 has been obtained from three sources of amorphous silica, namely, rice hull ashes, commercial Davisil, and a fume silica from Aldrich. The silicas were first dissolved in glycerol according to a recently described react
Autor:
Adriana Ganem-Quintanar, José O. Flores-Flores, Luis Mendoza-Romero, Elizabeth Piñón-Segundo, María Zaida Urbán-Morlán, María Guadalupe Nava-Arzaluz, David Quintanar-Guerrero, J. M. Saniger-Blesa
Publikováno v:
Drug Delivery. 15:399-407
Recently, we reported on the synthesis of catalyst-free SiO(2) sonogels prepared by the sonication of a neutral distilled water/ tetraethyl ortosilicate mixture. The purpose of the present study was to evaluate the feasibility of using these sonogels
Autor:
J. Guadalupe Bañuelos, Ernesto Rivera, Tonatiuh García, J. M. Saniger-Blesa, Omar G. Morales-Saavedra, M.E. Mata-Zamora
Publikováno v:
Dyes and Pigments. 78:48-59
Prepared amorphous porous anodic alumina with average nanometric porous dimensions of 67 nm in diameter and 50 μm in depth was successfully used as host network for different liquid crystalline azobenzene compounds bearing oligo(ethylene glycol) seg
Autor:
M. Rovira-Laparra, Oscar G. Rodríguez-Herrera, J. M. Saniger Blesa, Elena V. Basiuk, J. G. Bañuelos-Muñetón, Neil C. Bruce
Publikováno v:
Waves in Random and Complex Media. 17:221-231
Scattering of light from chemically etched InP surfaces is studied in the present paper. A model is developed to describe the randomly rough surfaces produced by chemical etching and this model is used in a numerical simulation using the Kirchhoff ap
Publikováno v:
Solar Energy Materials and Solar Cells. 90:2496-2500
Influence of the roughness (microrelief) of an active interface in p–n junction solar cells (SC) on the photovoltage (the open-circuit voltage Voc) has been studied. Nonuniformity of contact potential difference between p- and n-regions leads to ba
Publikováno v:
Applied Surface Science. 248:243-247
Fullerene C60 thin films were grown by physical vapor deposition (PVD) onto Si (1 0 0) substrates at room temperature in a vacuum chamber kept at 10−6 Torr. Photopolymerization of C60 was performed by irradiation with a pulsed Kr-F laser. The films
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 38, Iss 5, Pp 439-442 (1999)
Phase transition on ferroelectric ceramics were detected by photoacoustic laser technique which allows the measurement of the Curie temperature and ferro-paraelectric transitions. The photoacoustic signal produced by low energy laser pulses using a p