Search Results - "iones"

Caracterización geológica y geoquímica de fluidos en el sistema geotérmico Araró, Michoacán, México by Vigil Barrientos, Ana Julia

“…The hydrothermal fluid is chlorinated sodium, with pH between 6 and 7, total dissolved solids and trace elements, has an enrichment in elements of silicon or ions. The silica geothermometer, validated by surface silica deposits, calculated is 220 °C. …”
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Caracterización geológica y geoquímica de fluidos en el sistema geotérmico Araró, Michoacán, México by Vigil Barrientos, Ana Julia

“…The hydrothermal fluid is chlorinated sodium, with pH between 6 and 7, total dissolved solids and trace elements, has an enrichment in elements of silicon or ions. The silica geothermometer, validated by surface silica deposits, calculated is 220 °C. …”
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Generación in situ de especies oxidantes para la remoción del herbicida 2,4-D en medio acuoso by Villanueva Rodríguez, Minerva, Peralta Hernández, Juan Manuel, Hernández Ramírez, Aracely

“…En el presente estudio, se llevó a cabo la generación de especies fuertemente oxidantes: los radicales hidroxilo (HO•) y el ion ferrato [FeO4 2-] para la descomposición del ácido 2,4-diclorofenoxiacético (2,4-D), un herbicida recalcitrante. …”
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Unexpected reactivity of “GaI” towards N,N′-diaryl-β-diketiminate tin(II) chloride: Synthesis, X-ray diffraction analysis and DFT studies by Ibarra Rodríguez, Marisol, Jiménez Pérez, Víctor Manuel, Muñoz Flores, Blanca M., Waksman Minsky, Noemí Herminia, Ramírez, Rosalba, Sánchez, Mario, Hernández Ahuactzi, Iran F.

“…The crystal structure shows a tin(II) ion with a distorted tetrahedral pyramidal geometry. …”
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Studies of Adsorption of Heavy Metals onto Spent Coffee Ground: Equilibrium, Regeneration, and Dynamic Performance in a Fixed-Bed Column by Dávila Guzmán, Nancy Elizabeth, Cerino Córdova, Felipe de Jesús, Loredo Cancino, Margarita, Rangel Mendez, J. R., Gómez González, René, Soto Regalado, Eduardo

“…The equilibrium adsorption of Cd2+, Cu2+, and Pb2+ in a batch system was modeled by an ion-exchange model (IEM) based on an ion-exchange of heavy metals with calcium and protons bonded to active sites on SCG surface. …”
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N,N′-Bis(2-aminobenzyl)ethane-1,2-diaminium dinitrate by Garza Rodríguez, Luis Ángel, Elizondo Martínez, Perla, Bernès, Sylvain, Nájera Martínez, Blanca, Pérez Rodríguez, Nancy

“…The benzene rings are almost parallel, with a dihedral angle between their mean planes of 3.3 (6). The nitrate ions are placed in the vicinity of the protonated amine groups, forming efficient N—HO inter-ion hydrogen bonds. …”
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Mapping of the atmospheric deposition of sulfur and nitrogen during the dry season 2016 in the Metropolitan zone of Merida, Yucatan, Mexico by Cerón Bretón, Rosa María, Cerón Bretón, Julia Griselda, Muriel García, M., Lara Severino, Reyna del Carmen, Rangel Marrón, Marcela, Ramírez Lara, Evangelina, López Jiménez, D., Rodríguez Guzmán, Abril, Uc Chi, Martha Patricia

“…The ions retained in the resin were analyzed by turbidimetry and colorimetry to determine Ammonium, Nitrate and Sulfate. …”
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Synthesis and Characterization of bis[(2-ethyl-5-methyl-imidazo-4-yl)methyl]Sulfide and Its Coordination Behavior toward Cu(II) as a Possible Approach of a Copper Site Type I by Barrón Garcés, Juan D., Mendoza Díaz, Guillermo, Vilchez Aguado, Florina, Bernès, Sylvain

“…The Cu(II) ion is five-coordinated with a slightly distorted squarepyramidal geometry (τ = .09). …”
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Evaluation of Chloride Diffusion and Corrosion Resistance in Reinforced Concrete Using Internal Curing and Shrinkage Reducing Admixtures by Vázquez Rodríguez, Francisco Javier, Arato Tovar, Ana María, Martínez Delgado, Dora Irma, Guzmán, A., Elizondo Villarreal, Nora, Puente Ornelas, Rodrigo, Rodriguez, Edén

“…It was found that the internally cured concretes presented a mechanical resistance similar to those reported for the reference concretes (conventional concretes), but provided a higher resistance to carbonation, rapid penetration of chloride ions, and a lower chloride ion diffusion coefficient. …”
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Mg-Ca0.3 Electrochemical Activity Exposed to Hank’s Physiological Solution and Properties of Ag-Nano-Particles Deposits by González Murguía, José Luis, Veleva, Lucien, Rodríguez Gattorno, Geonel, Figueroa Torres, Mayra Zyzlila, Feliu, Sebastián

“…The greater antibacterial effect of S. aureus was attributed to its more negative zeta-potential, attracting more released Ag+ ions.…”
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Statistical Analysis of Factors Influencing Corrosion in Concrete Structures by Nieves Mendoza, Demetrio, Gaona Tiburcio, Citlalli, Hervert Zamora, H.L., Tobias J., R., Castro Borges, Pedro, Colás Ortíz, Rafael, Zambrano Robledo, Patricia del Carmen, Martínez Villafañe, A., Almeraya Calderón, Facundo

“…The results showed that, in comparison to sulphate ions, the effect of chloride ions on the corrosion rate was not statistically significant. …”
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Cinética de oxidación de la pirita, subproducto ácido del drenaje de la mina La Guitarra by Espinosa Rodríguez, Miguel Ángel, Arteaga Balderas, Edgar Amauri, Zambrano Cárdenas, Rosa María, González Torres, Liborio

“…Durante esta reacción de oxidación e hidrólisis, 1 mol de acidez (como H2SO4) es formado por cada mol de ion ferroso oxidado…”
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Generación de especies oxidantes por métodos homogéneos y heterogéneos by Villanueva Rodríguez, Minerva, Hernández Ramírez, Aracely, Peralta Hernández, Juan Manuel

“…In this way, free hydroxyl radicals (·OH) and ferrate ion [Fe(VI)], currently are non selective species which can degrade organic compounds to CO2 and water transformation.…”
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Synthesis of silver nanoparticles using a Mentha spicata extract and evaluation of its anticancer and cytotoxic activity by Torres Martínez, Yuridia, Arredondo Espinoza, Eder Ubaldo, Puente, Carlos, González Santiago, Omar, Pineda Aguilar, Nayely, Balderas Rentería, Isaías, López, Israel, Ramírez Cabrera, Mónica Azucena

“…In this study, silver nanoparticles (NP) were synthesized by two methods: using an aqueous extract of Mentha spicata leaves and using citrate ions as stabilizing agent, and the cytotoxicity and anticancer activity of both NP were evaluated in vitro. …”
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Long-term influence of chitin concentration on the resistance of cement pastes determined by atomic force microscopy by Ortega, Eduardo, Rodríguez Martínez, Oliver, Figueroa Labastida, Miguel, Villa Pulido, Andrés Alberto, Sánchez Fernández, Antonio, Cué Sampedro, Rodrigo, Gracia Pinilla, Miguel Ángel, Menchaca, Jorge Luis

“…The objective is to increase the durability of concrete elements at coastal aquifers where concrete structures are in constant exposure to sulfate ions, chloride ions among others. Tapping mode AFM was used to characterize the surface structure and roughness of the cement pastes. …”
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Filosofía de las leyes : o criterio del derecho, dividida en dos partes by Romero Gil, HilarioÌón

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Validación de potenciales biomarcadores génicos para cáncer cervicouterino by Oyervides Muñoz, Mariel Araceli

“…Se secuenciaron los genes candidatos a biomarcadores por Ion Torrent. Las secuencias se analizaron con y se compararon con los reportes de la plataforma de NCBI. …”
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Validación de potenciales biomarcadores génicos para cáncer cervicouterino by Oyervides Muñoz, Mariel Araceli

“…Se secuenciaron los genes candidatos a biomarcadores por Ion Torrent. Las secuencias se analizaron con y se compararon con los reportes de la plataforma de NCBI. …”
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Considerations for Litopenaeus vannamei Reared in Inland Low Salinity Waters by Allen Davis, D., P. Saoud, Imad., J. McGraw, William, B. Rouse, David

“…Survival of PL in well watervaried among water sources, and was affected by the concentration of various ions such aspotassium (K+), magnesium (Mg2+), and sulphate (SO42-), as well as PL age. …”
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Doping of TiO2 Using Metal Waste (Door Key) to Improve Its Photocatalytic Efficiency in the Mineralization of an Emerging Contaminant in an Aqueous Environment by Juárez Cortázar, Dany Edgar, Torres Torres, José Gilberto, Hernández Ramírez, Aracely, Arévalo Pérez, Juan Carlos, Cervantes Uribe, Adrián, Godavarthi, Srinivas, Espinosa de los Monteros, Alejandra Elvira, Silahua Pavón, Adib Abiu, Cordero García, Adrián

“…To improve the deficiencies of this material, one of the most used strategies has been to dope TiO2 with metallic ions. Chemical reagents are often used as dopant precursors. …”
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