Search Results - "Villagrán, A."

The rise and fate of a long-lived deep crustal 'hot zone' beneath the neogene-quaternary Cordillera de San Buenaventura in the Southern Puna Plateau (NW Argentina) by Bardelli, L., Lucci, F., Arnosio, M., Bustos, E., Becchio, R., Filipovich, R., Villagrán, A., Viramonte, J.

“…Arc magmatism plays a key-role in the growth and differentiation of continental crust. In particular, the prolonged magmatic flux events control the genesis of…”
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Functional gastrointestinal disorders in children from low socio‐economic status and Helicobacter pylori infection by Jaime, F., Villagrán, A., Hernández, C., Ortiz, M., Serrano, C., Harris, P. R.

“…Background Most studies on functional gastrointestinal disorders (FGIDs) in children are based on data from the northern hemisphere. Scientific reports are…”
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Serotonin modulates fast ripple activity in rats with spontaneous recurrent seizures by Pardo-Peña, K, Medina-Ceja, L, Morales-Villagrán, A

“…Abstract Fast ripples (FRs) are pathological high frequency oscillations that occur in patients with temporal lobe epilepsy (TLE), as well as in animal models…”
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Concordance between Lactose Quick Test, hydrogen‐methane breath test and genotyping for the diagnosis of lactose malabsorption in children by Rojo, C., Jaime, F., Azócar, L., Hernández, C., Villagrán, A., Miquel, J. F., Arancibia, G.

“…Background Lactose intolerance is a frequent condition in certain populations. Different methods for diagnosis exist. There is scarce literature regarding…”
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Recommendation of RILEM TC 238-SCM: determination of the degree of reaction of siliceous fly ash and slag in hydrated cement paste by the selective dissolution method by Villagrán-Zaccardi, Yury A., Vollpracht, Anya, Gruyaert, Elke, De Belie, Nele

“…The performance of slag and fly ash in hydrated cementitious materials depends on the degree of reaction developed at the evaluated age. Several methods for…”
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Chloride ingress rate and threshold content, as determined by the ‘Integral’ test method, in concrete with several w/c ratios in saturated and unsaturated conditions by Villagrán-Zaccardi, Yury A., Andrade, Carmen

“…The ‘integral’ test method aims at the simultaneous determination of the chloride migration rate and chloride threshold content. This information is required…”
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Distribution of Copper, Iron, and Sulfur in Copper Concentrate Particles during Oxidation under Simulated Flash Smelting Conditions by Manuel Pérez-Tello, Valeria de la Paz-Ojeda, Víctor R. Parra-Sánchez, Eugenia A. Araneda-Hernández, Madrioly C. Fernández-Sagredo, Eduardo A. Villagrán-Guerra

“…The distribution of copper, iron, and sulfur during the oxidation of La Caridad copper concentrate particles under simulated flash smelting conditions was…”
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A novel method for simultaneous glutamate and extracellular activity measurement in brain slices with high temporal resolution by López-Valenzuela, C.L., Morales-Villagrán, A., Medina-Ceja, L.

“…Measurement of neurotransmitters during normal or altered function in cerebral slices could be an important tool to better understand the relationship between…”
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Long-term sulfate attack on recycled aggregate concrete immersed in sodium sulfate solution for 10 years by Santillán, L. R., Locati, F., Villagrán-Zaccardi, Y. A., Zega, C. J.

“…The effect of recycled concrete aggregate (RCA) on concrete performance against external sulfate attack (ESA) is not yet fully known. In this paper, recycled…”
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Insights on the Corrosion Resistance of Reinforced Recycled Aggregate Concrete by Villagrán-Zaccardi, Yury A., Pico-Cortés, Carlos M., Etcheverry, Juan M., Santillán, Lautaro R., Sosa, María E.

“…Recycled aggregate produced from crushed waste concrete is suitable for use in structural concrete. It reduces the demand for non-renewable resources and also…”
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Are embryonic developing modes determinant in the acquisition and levels of photoprotective compounds in slipper limpets of the Crepipatella genus? by Paredes-Molina, F.J., Cubillos, V.M., Montory, J.A., Andrade-Villagrán, P.A.

“…The type of embryonic development (mixed and direct) and its influence on the accumulation and translocation of photoprotective compounds from the mother to…”
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PP‐7 CHILDHOOD RECURRENT ABDOMINAL PAIN IS ASSOCIATED WITH DUODENAL EOSINOPHILIA REGARDLESS OF H. PYLORI INFECTION by Wauters, L., Harris, P., Serrano, C., Villagrán, A., Duarte, I., Rakhra, G., Jones, M., Talley, N., Crabtree, J., Walker, M.

“…Objectives: This study aimed to investigate histologic features of children with RAP undergoing upper gastrointestinal endoscopy, after exclusion of common…”
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Improved model for capillary absorption in cementitious materials: Progress over the fourth root of time by Villagrán Zaccardi, Yury A., Alderete, Natalia M., De Belie, Nele

“…Sorptivity is broadly used for characterising the pore connectivity of cementitious materials, with applications in design for durability. A water sorptivity…”
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Calibrated quantitative thermogravimetric analysis for the determination of portlandite and calcite content in hydrated cementitious systems by Villagrán-Zaccardi, Y. A., Egüez-Alava, H., De Buysser, K., Gruyaert, E., De Belie, N.

“…Portlandite and calcite are compounds of interest regarding different processes related to microstructural and durability issues of cementitious materials,…”
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Physical evidence of swelling as the cause of anomalous capillary water uptake by cementitious materials by Alderete, N.M., Villagrán Zaccardi, Y.A., De Belie, N.

“…Water uptake by capillarity is widely used for characterising the durability properties of building materials. However, cementitious materials are generally…”
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Evolving supernova remnants in multiphase interstellar media by Villagran, Marco A, Velázquez, P F, Gómez, D O, Giacani, E B

“…ABSTRACT We performed three-dimensional magnetohydrodynamic simulations to study the evolution of a supernova remnant (SNR) in a turbulent neutral atomic…”
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Durable Performance of Recycled Aggregate Concrete in Aggressive Environments by Zega, Claudio J, Santillán, Lautaro R, Sosa, María E, Villagrán Zaccardi, Yury A

“…AbstractRecycled aggregate concrete is an eco-friendly material that is increasingly being used in new constructions. Nowadays, this application is mainly…”
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Action of 4-aminopyridine on extracellular amino acids in hippocampus and entorhinal cortex: a dual microdialysis and electroencehalographic study in awake rats by Medina-Ceja, Laura, Morales-Villagrán, Alberto, Tapia, Ricardo

“…In order to study the role of amino acids in the hippocampus and the entorhinal cortex during the convulsive process induced by 4-aminopyridine (4-AP), we have…”
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A critical review of the resulting effective water-to-cement ratio of fine recycled aggregate concrete by Sosa, María E., Villagrán Zaccardi, Yury A., Zega, Claudio J.

“…•Water absorption of FRCA.•Effective water to cement ratio of recycled concretes.•Test methods for the determination of the water absorption of…”
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Effect of Glue, Thiourea, and Chloride on the Electrochemical Reduction in CuSO4–H2SO4 Solutions by Nevárez-Llamas, Érika D., Araneda-Hernández, Eugenia A., Parra-Sánchez, Víctor R., Villagrán-Guerra, Eduardo A.

“…The effect of glue, thiourea, and chloride on the kinetics of copper reduction in CuSO4–H2SO4 solutions of copper composition, and temperatures like those used…”
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