Resultados de búsqueda - (((vals OR (valia OR vales)) OR (vale OR value)) OR (vials OR viales))

Mecanismos de resistencia enzimática en siete sub-poblaciones de Aedes aegypti (L.) a insecticidas comunes y alternativos para su control en el estado de Veracruz, México por Silva Salinas, Brenda Guadalupe

“…High levels of resistance were detected to the alpha- cypermethrin pyrethroid since the 100% of under-populations surpassed RRkD50> 10, with values in the majority superficially to 100X. Moderate resistance was observed for the phenothrin pyrethroid, two of seven under-populations showed resistance (Poza Rica (18X) and Martinez de la Torre (12X)). …”
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Pérdidas por intercepción en cuatro especies del matorral en Linares, N. L. por Tamez Ponce, Cuauhtemoc

“…The results for Acacia farnsesiana, Condalia hookeri, Leucaena leucocephala and Casemiroa greggii, for throughfall, showed values of 77, 73, 85 and 82%, respectively; while the component of the stemflow oscillated of 1.8% for Acacia farnesiana to 1.33% for Condalia hookeri. …”
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Interacciones temporales y espaciales de mesocarnívoros simpátricos en una Reserva de la Biosfera: ¿coexistencia o competencia? por Carrera Treviño, Rogelio, Astudillo Sánchez, Claudia C., Garza Torres, Héctor A., Martínez García, Luis, Soria Díaz, Leroy

“…These indices are symmetrical and take values from zero to one, where the results close to zero indicate that there is no overlap between species and values close to one indicate overlap. …”
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Susceptibility of Larvae of Chrysomya rufifacies (Diptera: Calliphoridae) to the Insecticides Methyl Parathion and Carbofuran, 2011 por Solís Esquivel, Elton, Flores Suárez, Adriana Elizabeth, Caballero Quintero, Adolfo, Hernández Luna, Carlos Eduardo, Mercado Hernández, Roberto, Rodríguez Castro, Violeta Ariadna, Quiroz Martínez, Humberto

“…The LC50 values in all three larval stadia are in the ranges of concentrations that might be expected in a human poisoned with these insecticides. …”
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Pérdidas por intercepción en cuatro especies del matorral en Linares, N. L. por Tamez Ponce, Cuauhtemoc

“…The results for Acacia farnsesiana, Condalia hookeri, Leucaena leucocephala and Casemiroa greggii, for throughfall, showed values of 77, 73, 85 and 82%, respectively; while the component of the stemflow oscillated of 1.8% for Acacia farnesiana to 1.33% for Condalia hookeri. …”
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Vegetarianismo: Una caracterización antropométrica, dietética y motivacional en adultos venezolanos por Ekmeiro Salvador, Jesús Enrique, Arévalo-Vera, Cruz Rafael

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Acceso a los alimentos y hábitos alimentarios de jóvenes universitarios, Estado de México. por Martínez, Virginia Reyna, Sandoval Copado, José Rogelio, Aranzana Juarros, Miguel

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Polyaza macroligands as potential agents for heavy metal removal from wastewater por Elizondo Martínez, Perla, Nájera Martínez, Blanca, Pérez Rodríguez, Nancy, Reyes Hinojosa, Laura, Gómez del Río, Isabel

“…These agents showed high affinity for the studied metals. The values of the equilibrium constants of the isolated complexes (between 1×104 and 2×107) demonstrated the feasibility of applying these chelating agents as alternatives for the removal of heavy metals from industrial effluents.…”
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Influence of the Capping Ligand on the Band Gap and Electronic Levels of PbS Nanoparticles through Surface Atomistic Arrangement Determination por García Gutiérrez, Diana Fabiola, Hernández Casillas, Laura Patricia, Cappellari, Maria Victoria, Fungo, Fernando, Martínez Guerra, Edgar, García Gutiérrez, Domingo Ixcóatl

“…ABSTRACT: Lead sulfide (PbS) nanoparticles were synthesized by chemical methods with different sizes and different capping ligands (oleic acid, myristic acid, and hexanoic acid), avoiding ligand exchange procedures, to study the effect of characteristics of the capping ligands on their energy levels and band gap values. Experimental results (UV−vis−NIR, Fourier transform infrared, and Raman spectroscopies, cyclic voltammetry, transmission electron microscopy, and electron energy loss spectroscopy) showed a marked influence of the capping ligand nature on the electro-optical properties of PbS nanoparticles with a very similar size. …”
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Corrosion Behaviour of 304 Austenitic, 15-5PH and 17-4PH Passive Stainless Steels in acid solutions por Lara Banda, María del Refugio, Gaona Tiburcio, Citlalli, Zambrano Robledo, Patricia del Carmen, Cabral Miramontes, José Ángel, Estupiñan López, Francisco H., Baltazar Zamora, Miguel Ángel, Croche B., R., Vera V., E., Almeraya Calderón, Facundo

“…In sulfuric acid, there is a mechanism of passivation – transpassivation - secondary passivation, this due to the high electropositive values of potential.…”
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Predicting the phase diagram of two-dimensional colloidal systems with long-range interactions por Mejía Rosales, Sergio, Gil Villegas, Alejandro, Ivlev, Boris I., Ruiz García, Jaime

“…Pinned voids are formed at higher densities and intermediate values of the surface pressure. The analysis of isotherms, translational and orientational correlation functions as well as structure factor gives clear evidence of the presence of a melting first-order transition. …”
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Efecto de esponjas vaginales sobre la microbiota vaginal e impacto en la eficiencia reproductiva en cabras. por Rodríguez Miranda, Diana Aimeé

“…For the pregnancy rate, the highest values for T1 (63.6%) and T2 (72.7%) were presented, being different from T3 (44.4%) P <0.03.…”
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Efecto de esponjas vaginales sobre la microbiota vaginal e impacto en la eficiencia reproductiva en cabras. por Rodríguez Miranda, Diana Aimeé

“…For the pregnancy rate, the highest values for T1 (63.6%) and T2 (72.7%) were presented, being different from T3 (44.4%) P <0.03.…”
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Periodistas en México: Encuesta de sus perfiles demográficos, laborales y profesionales por Rodelo, Frida V., Márquez Ramírez, Mireya, Salazar Rebolledo, Grisel, Del Palacio Montiel, Celia, Echeverría, Martín, Gutiérrez Ortega, Armando, Antonio Manzo, Karles Daniel, Brambila, Julieta, Buxadé, Josefina, González, Rubén Arnoldo, Hughes, Sallie, Lemini Camarillo, José Luis

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Recent Advances on Freshwater Crayfish Nutrition: Proposal of a Practical Diet for Juvenile Astacid Crayfish Studies from the Onset of Exogenous Feeding under Controlled Conditions por González López, Rocío

“…Diets tested did not affect final survival rates and growth either in grouped or in isolated crayfish, being the highest survival rate (average: 93%) and growth values (average: 13.2 mm carapace length: CL, 578.1 mg weight: W, 3.52% d-1 specific growth rate: SGR, 1896.6% weight gain: WG) reached with the practical diet. …”
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Some Steps in Shrimp Nutrition «a linear way» por G., Cuzon, G., Gaxiola

“…Shrimp in earthen ponds receive natural productivity as part of their food intake, and techniques with stable isotopes gave values on respective contribution of feed and meiofauna. …”
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A rapid method for isolation of total DNA from pathogenic filamentous plant fungi por González Mendoza, D., Argumedo Delira, Rosalba, Morales Trejo, A., Pulido Herrera, A., Cervantes Daz, L., Grimaldo Juarez, O., Alarcón, Alejandro

“…Additionally, the A260/230 values were higher than 1.8, suggesting negligible contamination by polysaccharides. …”
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Recrystallization of a Ti-45Ni-5Cu cold-worked shape memory alloy characterized by thermoelectric power and electrical properties por Soto Parra, Daniel Enrique, Flores Zúñiga, Horacio, Cuéllar, Enrique López, Ochoa Gamboa, Raul Armando, Ríos Jara, David

“…Transformation temperatures show an increase with heat treatment temperature, while hysteresis decreases. Hardness values decrease with aging temperature for the same heat treatment time. …”
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Polyphenolic Profile and Antioxidant Activity of Leaf Purified Hydroalcoholic Extracts from Seven Mexican Persea americana Cultivars por Castro López, Cecilia, Bautista Hernández, Israel, González Hernández, María D., Martínez Ávila, Guillermo Cristian Guadalupe, Rojas, Romeo, Gutiérrez Díez, Adriana, Medina Herrera, Nancy, Aguirre Arzola, Víctor Eustorgio

“…The highest free radical-scavenging activity was observed for Platano Delgado and Criollo 6 avocado cultivars havin IC50 values of 271.86 ± 13.69 and 269.56 ± 6.53 for DPPH• and ABTS•+ radicals, respectively, while the best result for lipid oxidation inhibition was registered in Criollo 6 cultivar extract. …”
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The physicochemical, antifungal and antioxidant properties of a mixed polyphenol based bioactive film por Aguirre Joya, Jorge A., Pastrana Castro, Lorenzo, Nieto Oropeza, Diana, Ventura Sobrevilla, Janeth, Rojas Molina, Romeo, Aguilar, Cristobal N.

“…Treatment with 1.1 % of pectin, 0.16 % candelilla wax, 0.3 % glycerol, 5 % AM and 4 % extract of polyphenols showed values of thickness and WVP suitable to be applied on model fruits.…”
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