Resultados de búsqueda - "iones"

Magmatic processes at the volcanic front of Central Mexican volcanic belt: Sierra de Chichinautzin volcanic field (Mexico) por Velasco Tapia, Fernando, Verma, Surendra P.

“…Inverse modelling of primary magmas from the SCN further indicates that the source region is not depleted in high-field strength elements (HFSE) compared to large ion lithophile elements (LILE) and rare-earth elements (REE). …”
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Turbulent Kinetic Energy in the Energy Balance of a Solar Flare por Kontar, E. P., Pérez, J. E., Harra, L. K., Kuznetsov, A. A., Emslie, A. G., Jeffrey, N. L. S., Bian, N. H., Dennis, B. R.

“…The energy released in solar flares derives from a reconfiguration of magnetic fields to a lower energy state, and is manifested in several forms, including bulk kinetic energy of the coronal mass ejection, acceleration of electrons and ions, and enhanced thermal energy that is ultimately radiated away across the electromagnetic spectrum from optical to x rays. …”
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Electrochemical Characterization of Modified Concretes with Sugar Cane Bagasse Ash por Maldonado Bandala, Erick, Jiménez Quero, V., Olguín Coca, Javier, Lizárraga Mendiola, Liliana Guadalupe, Baltazar Zamora, Miguel Ángel, Ortiz C., A., Almeraya Calderón, Facundo, Zambrano Robledo, Patricia del Carmen, Gaona Tiburcio, Citlalli

“…Binary Concretes were made and evaluated in the impact of Sugar Cane Bagasse Ash (SCBA) as a partial substitute for Portland cement, with the aim of reducing gtherate of corrosion induced by chloride ions and sulfate. The behavior of corrosion was monitored for 14 months in two aqueous solutions of NaCl and Na2SO4 both at 3.5%, using electrochemical techniques of corrosion potential (Ecorr) and linear polarization resistance (Rp). …”
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Synthesis of Hureaulite Mn5(H2O)4(PO3OH)2(PO4)2 with an Open 3D Network Structure as Electrode Material for Electrochemical Capacitors por García Guajardo, Cesar Iván, Zúñiga Martínez, Jorge Alexis, Berlanga Pérez, Roxana, López Pavón, Luis Alberto, Lucio Porto, Raúl

“…This study proposes a mechanism that involves the interaction between the acidic proton in the tunnel structure and OH− ions from the electrolyte, which diffuse through the hydrogen bond network. …”
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Nuevos fotocatalizadores Sm2FeTaO7 y Sm2InTaO7 para la eliminación de contaminantes presentes en el agua por Figueroa Torres, Mayra Zyzlila, Torres Martínez, Leticia Myriam, Ruiz Gómez, Miguel A., Juárez Ramírez, Isaías, Gómez Solís, Christian

“…Mientras que, el Sm2InTaO7 es eficiente para reducir el ion Cr (VI) y degradar el colorante cristal violeta.…”
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Evaluation of the TRPM2 channel as a biomarker inbreast cancer using public databases analysis por Sumoza Toledo, Adriana, Espinoza Gabriel, Mario Iván, Montiel Condado, Dvorak

“…Recent investigations have revealed a major role of ion channels in cancer. The transient receptor potential melastatin-2 (TRPM2) is a plasma membrane and lysosomal channel with important roles in cell migration and cell death in immune cells and tumor cells. …”
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A GRASP-Tabu Heuristic Approach to Territory Design for Pickup and Delivery Operations for Large-Scale Instances por González Ramírez, Rosa G., Smith, Neale R., Askin, Ronald G., Camacho Vallejo, José Fernando, González Velarde, José Luis

“…The predominant adsorption mechanisms were the electrostatic attraction and chemisorption and not ion exchange. © 2016 Chinese Institute of Environmental Engineering, Taiwan. …”
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Electrochemical Metallization with Ni(II) from 5,10,15,20- Tetraquis(p-hydroxiphenyl)porfirin por Aguilera, E. N., Blanco Jerez, Leonor María, Huerta, A. M., Obregón, L. A.

“…The electrolysis was performed in a non-divided cell, with a nickel sacrificial anode and at controlled potential, in order to favouring the chemical formation of the metal-complex by reaction between the porphyrin dianion radical and Ni(II) ions, both of them electro-generated during the process. …”
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Evaluation of the TRPM2 channel as a biomarker in breast cancer using public databases analysis por Sumoza Toledo, Adriana, Espinoza Gabriel, Mario Iván, Montiel Condado, Dvorak

“…Recent investigations have revealed a major role of ion channels in cancer. The transient receptor potential melastatin-2 (TRPM2) is a plasma membrane and lysosomal channel with important roles in cell migration and cell death in immune cells and tumor cells. …”
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Effect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise por García Contreras, Jorge, Gaona Tiburcio, Citlalli, López Cazares, Irene, Sánchez Díaz, Guillermo, Ibarra Castillo, Juan Carlos, Jáquez Muñoz, Jesús Manuel, Nieves Mendoza, Demetrio, Maldonado Bandala, Erick, Olguín Coca, Javier, López León, Luis Daimir, Almeraya Calderón, Facundo

“…This phenomenon marked the difference in the concrete matrix’s hydration products, preventing Cl− ions flow and showing passive current and potential transients in most specimens.…”
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Láseres de fibra de doble revestimiento dopada con Yb: dispositivos de bombeo y emisión a tres niveles por Calles Arriaga, Carlos Adrián

“…El láser de fibra dopada con ión Iterbio (Yb) ha sido ampliamente estudiado y generado gran interés por sus características de alta eficiencia, su capacidad para trabajar a altas potencias y su amplio rango de sintonización. …”
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Láseres de fibra de doble revestimiento dopada con Yb: dispositivos de bombeo y emisión a tres niveles por Calles Arriaga, Carlos Adrián

“…El láser de fibra dopada con ión Iterbio (Yb) ha sido ampliamente estudiado y generado gran interés por sus características de alta eficiencia, su capacidad para trabajar a altas potencias y su amplio rango de sintonización. …”
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Impact of a fall prevention program in the Internal Medicine wards of a tertiary care university hospital por Lara Medrano, Reynaldo, Alcázar Quiñones, Carlos, Galarza Delgado, Dionicio Ángel, Baena Trejo, Laura

“…Furthermore, a registration system was developed that allowed adverse event fe edback to the program and identiicat ion of the causes of the fall. The SPSS version 20.0 was used for the data analysis. …”
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Surface, Chemical, and Tribological Characterization of an ASTM F-1537 Cobalt Alloy Modified through an Ns-Pulse Laser por Cuao Moreu, Carlos Andrés, Maldonado Cortés, Demófilo, Lara Banda, María del Refugio, García Sánchez, Edgar O., Zambrano Robledo, Patricia del Carmen, Hernández Rodríguez, Marco Antonio Loudovic

“…Nevertheless, adverse reactions on tissues caused by the liberation of metallic ions are a limitation. Therefore, the modification of biometallic material surfaces has become a topic of interest, especially the improvement of the wear resistance to retard the degradation of the surface. …”
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Characterization of Corrosion Behavior of Painted Galvanized Steel under Accelerated Conditions por Vázquez Rodríguez, Francisco Javier, De La Garza Garza, M., Gaona Tiburcio, Citlalli, Maldonado Bandala, Erick, Baltazar Zamora, Miguel Ángel, Garza C. R. de, J., García, R.O., Garza Montes de Oca, Nelson Federico, Ramírez R., J.L., Almeraya Calderón, Facundo

“…Later advances due to formation of porous layer of zinc hydroxi-chloride, which it’s characteristic of environments with chloride ions, forming zinc’s corrosion products like zinc oxide and zinc hydroxide on the porous layer until iron starts to dissolve, producing iron oxide and iron oxy-hydroxide on the zinc’s corrosion products and porous layer.…”
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Corrosion resistance of titanium alloys anodized in alkaline solutions por Almeraya Calderón, Facundo, Jáquez Muñoz, Jesús Manuel, Cabral Miramontes, José Ángel, Estupiñan López, Francisco Humberto, Lira Martínez, Manuel Alejandro, Gaona Tiburcio, Citlalli

“…The results indicated that Ti-6Al-2Sn-4Zr-2Mo anodized on NaOH presented a higher passivity range than anodized on KOH, relating to the high reactivity of Na+ ions. The former anodized alloy also demonstrated a higher passive layer rupture potential. …”
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Sonophotocatalytic mineralization of Norflurazon in aqueous environment por Sathishkumar, Panneerselvam, Mangalaraja, Ramalinga Viswanathan, Rozas, Oscar, Vergara, Carola, Mansilla, Héctor D., Gracia Pinilla, Miguel Ángel, Anandan, Sambandam

“…The identification of four pseudo molecular ions and various intermediates using the LCMS analysis evidently suggests the sonophotocatalytic degradation was preceded in various decay pathways. …”
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Optical and structural characterization of oleic acid-stabilized CdTe nanocrystals for solution thin film processing por Gutiérrez Lazos, Claudio Davet, Ortega López, Mauricio, Pérez Guzmán, Manuel A., Espinoza Rivas, A. Mauricio, Solís Pomar, Francisco, Ortega Amaya, Rebeca, Silva Vidaurri, Luis Gerardo, Castro Peña, Virginia Carolina, Pérez Tijerina, Eduardo

“…An additional diffraction line corresponding to the octahedral Cd3P2 was also detected as a secondary phase, which probably originates by reacting free cadmium ions with trioctylphosphine (the tellurium reducing agent). …”
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Low temperature synthesis of hexagonal Bi2Te3 nanoplates using an open reactor and its effect on their physicochemical properties por Reyes Verdugo, Laura A., Martinez Carreon, Maria de J., Gutiérrez Lazos, C. D., Solis Pomar, Francisco J., Quiñones Galvan, Jose G., Pérez Tijerina, Eduardo

“…XPS results showed that despite the strong reactivity of Te2− ions with ambient oxygen, the crystallization of Bi2Te3 hexagonal nanoplates is feasible without controlled vapor pressure and at a lower temperature than reported in other works. …”
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Cation Xanthated Exchangers from Colombian Sub-Bituminous Coals Effectively Removed Cadmium and Lead from Aqueous Solutions por Gómez-De-Arco, Lewis, Alzate-Rodríguez, Liliana, Colpas-Castillo , Fredy, Fernández-Maestre, Roberto

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