Zobrazeno 1 - 10
of 83
pro vyhledávání: '"G. Vargas-Gutiérrez"'
Autor:
L. López-Ojeda, G. Vargas-Gutiérrez
Publikováno v:
Journal of Materials Research and Technology, Vol 16, Iss , Pp 1803-1813 (2022)
Simultaneous oxidation and nitrocarburizing of AISI 316 SS at 580 °C for 5, 10, 15, and 20 min were studied using self-protecting pastes of sodium cyanate and sodium carbonate. The analytical techniques of XRD and SEM/EDS allowed the characterizatio
Externí odkaz:
https://doaj.org/article/1a6c93e71aa841939251034a0f6a37c1
Autor:
G. Vargas Gutiérrez, D. Pérez-Aviles, N. Raczka, D. Pereira-Arias, J. Tijerín-Triviño, L. D. Pereira-Arias, D. Medvigy, B. G. Waring, E. Morrisey, E. Brzostek, J. S. Powers
Publikováno v:
Biogeosciences, Vol 20, Pp 2143-2160 (2023)
Across tropical ecosystems, global environmental change is causing drier climatic conditions and increased nutrient deposition. Such changes represent large uncertainties due to unknown interactions between drought and nutrient availability in contro
Externí odkaz:
https://doaj.org/article/b30e7d566a2b4ebda1f20851dddd8a8f
Akademický článek
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Autor:
G. Vargas-Gutiérrez, O. J. Duarte-Urbina, Beatriz Escobar-Morales, María Esther Sánchez-Castro, Fabián Fernández-Luqueño, Ivonne Liliana Alonso-Lemus, F.J. Rodríguez-Varela
Publikováno v:
New Journal of Chemistry. 45:12634-12646
We propose the integration of bioanodes composed of onion waste (OW)-derived biocarbon catalysts + Bacillus subtilis (B. subtilis) for application in a microbial fuel cell (MFC). OW is activated by pyrolysis and the resulting catalysts are functional
Autor:
Jose Ivan Escalante-Garcia, D. González-Quijano, L.E. Verduzco, G. Vargas-Gutiérrez, F.J. Rodríguez-Varela, W. J. Pech-Rodríguez
Publikováno v:
MRS Advances. 5:2991-3002
A catalyst layer of Pt-Sn/C (Pt:Sn 1:1 atomic ratio) was deposited on commercial carbon cloth electrodes by electrophoretic deposition (EPD). The Pt-Sn/C nanocatalyst was synthesized by the polyol method. Three current signals were applied: i) contin
Potencial del método de síntesis de materiales cerámico-cementicios procesados por vías alternativas
Autor:
J. D. Martínez-Vásquez, D. E. Ortega-Zavala, G. Vargas Gutiérrez, A. F. Fuentes, J. I. Escalante-García
Publikováno v:
Revista ALCONPAT, Vol 5, Iss 2 (2015)
Se estudiaron formulaciones de materiales cerámicos ligados termoquímicamente empleando materias primas silicoaluminosas. Se prepararon mezclas con baja relación agua:sólidos y se procesaron mediante prensado hasta de 30 MPa. Las probetas se cura
Externí odkaz:
https://doaj.org/article/43acee660d924ef49d18a75ded1ed283
Publikováno v:
MRS Advances. 4:3171-3180
An initial mixture of raw materials (batch) typically used for the manufacture of conventional soda-lime float glass was subjected to a mechanical activation process for 30 or 60 minutes in a planetary ball mill. An intensification of the chemical re
Publikováno v:
Nexo Revista Científica. 32:52-60
espanolEn el presente estudio se realiza una evaluacion del efecto de cuatro aditivos sobre el cuerpo ceramico: ceniza volante, talco, caolin y feldespato; con el objetivo de determinar las mejores formulaciones que permitan desarrollar, despues del
Autor:
D. González-Quijano, F.J. Rodríguez-Varela, W. J. Pech-Rodríguez, Cláudia Morais, Enrique Rocha-Rangel, J.C. Martínez-Loyola, G. Vargas-Gutiérrez, G. G. Suarez-Velázquez, Teko W. Napporn
Publikováno v:
Revista Mexicana De Ingenieria Quimica
Revista Mexicana De Ingenieria Quimica, 2021, 20 (2), pp.955-973. ⟨10.24275/rmiq/Cat2346⟩
Revista Mexicana De Ingenieria Quimica, 2021, 20 (2), pp.955-973. ⟨10.24275/rmiq/Cat2346⟩
International audience; Vulcan XC-72 samples were functionalized with methanol (MeOH) by the Intermittent Microwave Heating (NH) under different treatment conditions. To assess the effectiveness of the proposed method, citric acid (CA) functionalizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a60209bc344ace9f19045aa22270adf8
https://hal.archives-ouvertes.fr/hal-03441712/document
https://hal.archives-ouvertes.fr/hal-03441712/document
Publikováno v:
Surface and Coatings Technology. 353:190-198
The surface microstructural evolution of AISI 304 L stainless steel oxy-nitrocarburized using a cyanide-free salt bath based on the eutectic composition of the system NaCNO-Na2CO3 was studied. The treatments were carried out at 600 °C from 5 to 60 m