Browsing by Title Artículos de revistas

Now showing items 3943-3962 of 7543

    • Mechanical tuning of through-molecule conductance in a conjugated calix[4]pyrrole 
      Stefani, Davide; Perrin, Mickael; Gutiérrez Cerón, Cristian; Aragonés, Albert C.; Labra Muñoz, Jacqueline; Carrasco, Rodrigo D. C.; Matsushita, Yoshitaka; Futera, Zdenek; Labuta, Jan; Ngo, Thien H.; Ariga, Katsuhiko; Díez Pérez, Ismael; van der Zant, Herre S. J.; Dulic, Diana; Hill, Jonathan P. (Wiley, 2018)
      A conformationally flexible calix[4]pyrrole possessing a conjugated electronic structure (an N-substituted oxoporphyrinogen (OxP) related to porphyrin) was used to investigate the influence of mechanical stretching on the ...
    • Mechanism and kinetics parameters of the reduction reaction of NO by CO on Pd/Al2O3 catalyst 
      Cortés, Joaquín; Valencia Astorga, Eliana; Herrera, Jorge; Araya Figueroa, Paulo (AMER CHEMICAL SOCIETY, 2007-05)
      By means of a mechanism similar to that used by Peden and Permana for the reduction reaction of NO by CO on Rh and the analytical solution of its kinetics equations, a set of kinetics parameters that interpret some experimental ...
    • Mechanism of pyrite catalysis of As(III) oxidation in bioleaching solutions at 30 degrees C and 70 degrees C 
      Wiertz Frisque, Jacques; Mateo, Magda; Escobar Miguel, Blanca (ELSEVIER, 2006-09)
      Arsenic, present as impurity in many sulfide ores, dissolves during the bioleaching process and the resulting high As(Ill) concentration can inhibit bacterial activity, compromising the whole process. Oxidation of As(III) ...
    • Mechanisms of Cu2+ biosorption on Lessonia nigrescens dead biomass: Functional groups interactions and ... 
      Cid, Héctor; Flores Carrasco, Marcos; Pizarro, Jaime; Castillo, Ximena; Barros, Daniel; Moreno-Pirajan, Juan; Ortiz, Claudia (Elsevier, 2018-04)
      In this study, the biosorption mechanisms of Cu2+ by dead biomass of the brown seaweed Lessonia nigrescens were characterized, with special emphasis on the chemical environment provided by functional groups, their interactions ...
    • Mechanisms of pyrite biodepression with Acidithiobacillus ferrooxidans in seawater flotation 
      San Martin, F; Kracht, W; Vargas, T; Rudolph, M (Elsevier Ltd, 2020)
    • Mechanistic insight into size dependent enhanced cytotoxicity of industrial antibacterial titanium oxide ... 
      Verma, Suresh K.; Jha, Ealisha; Panda, Pritam Kumar; Thirumurugan, Arun; Parashar, S. K. S.; Patro, Shubhransu; Suar, Mrutyunjay (American Chemical Society, 2018)
      This study evaluates the impact of industrially prepared TiO2 nanoparticles on the biological system by using an in vitro model of colon cancer cell lines (HCT116). Industrial synthesis of titanium oxide nanoparticles was ...
    • Mechanochemical processing of IrO2–Ta2O5: an alternative route for synthesizing Ir and Ir(Ta)O2 solid solution 
      Guzmán, Danny; Dubray, Gabriel; Aguilar, Claudio; Rojas, Paula; Guzmán, Alexis; Soliz, Alvaro; Sepúlveda, Rossana; Espinoza González, Rodrigo Andrés (Elsevier, 2021)
      This paper describes a study exploring milling and subsequent heat treatments of pure IrO2 and Ta2O5 powders. Reactants were milled under Ar atmosphere in a SPEX 8000D mill, with structural, morphological, and compositional ...
    • Mechanothermal synthesis of Ag/TiO2 for photocatalytic methyl orange degradation and hydrogen production 
      Saravanan, R.; Manoj, Devaraj; Qin, Jiaqian; Naushad, Mu; Gracia, F.; Lee, Adam; Khan, Mohammad; Gracia Pinilla, M. A. (Institution of Chemical Engineers, 2018)
      © 2018 Institution of Chemical Engineers Photocatalysis offers a promising route to address the challenges of future energy production and anthropogenic environmental pollution. Here we demonstrated the synthesis of a high ...
    • Mediating intergenerational family communication with computer-supported domestic technology 
      Gutiérrez Figueroa, Francisco; Ochoa Delorenzi, Sergio; Vassileva, Julita (Springer, 2017)
      The proliferation of social media tools for facilitating interpersonal communication has inadvertently modified the ways in which intergenerational exchanges are supported. However, such technology has generally not ...
    • Medium range optimization of copper extraction planning under uncertainty in future copper prices 
      Alonso-Ayuso, Antonio; Carvallo Löhr, Luis Felipe; Escudero, Laureano F.; Guignard, Monique; Pi, Jiaxing; Puranmalka, Raghav; Weintraub Pohorille, Andrés (Elsevier, 2014)
      Deterministic mine planning models along a time horizon have proved to be very effective in supporting decisions on sequencing the extraction of material in copper mines. Some of these models have been developed for, and ...
    • Medium-resolution spectrum of the exoplanet HIP 65426 b 
      Petrus, S.; Bonnefoy, Mickael; Chauvin, Gael; Charnay, B.; Marleau, G.D.; Gratton, R.; Lagrange, A.M.; Rameau, J.; Mordasini, C.; Nowak, M.; Delorme, P.; Boccaletti, A.; Carlotti, A.; Houllé, M.; Vigan, A.; Allard, F.; Desidera, S.; D’Orazi, V.; Hoeijmakers, H.J.; Wyttenbach, A.; Lavie, B. (EDP Sciences, 2021)
      Medium-resolution integral-field spectrographs (IFS) coupled with adaptive-optics such as Keck/OSIRIS, VLT/MUSE, or SINFONI are appearing as a new avenue for enhancing the detection and characterization capabilities of ...
    • Meiotic behavior of a complex hexavalent in heterozygous mice for Robertsonian translocations: insights for ... 
      Ribagorda, Marta; Berríos, Soledad; Solano, Emanuela; Ayarza, Eliana; Martín-Ruiz, Marta; Gil-Fernández, Ana; Parra, María Teresa; Viera, Alberto; Rufas, Julio S.; Capanna, Ernesto; Castiglia, Riccardo; Fernández-Donoso, Raúl; Page, Jesús (Springer Science and Business Media Deutschland GmbH, 2019)
      Natural populations of the house mouse Mus musculus domesticus show great diversity in chromosomal number due to the presence of chromosomal rearrangements, mainly Robertsonian translocations. Breeding between two populations ...
    • The Mejillonia suspect terrane (Northern Chile): Late Triassic fast burial and metamorphism of sediments ... 
      Casquet, C.; Hervé Allamand, Francisco; Pankhurst, R.J.; Baldo, E.; Calderón, M.; Fanning, C.M.; Rapela, C.W.; Dahlquist, J. (Elsevier, 2014)
      The Mejillonia terrane, named after the Mejillones Peninsula (northern Chile), has been traditionally considered an early Paleozoic block of metamorphic and igneous rocks displaced along the northern Andean margin in the ...
    • Mejoramiento del desarrollo exportador frutícola chileno mediante la identificación y caracterización de ... 
      Mora González, Marcos; Infante Espiñeira, Rodrigo; Quintana S., Mauricio; Magner Pulgar, Nicolás; Cortés Belmar, Maruja; Marchant Silva, Ricardo (Asociación Argentina de Economía Agraria, 2007-09)
      El objetivo principal de esta investigación estuvo asociado a la identificación de grupos estratégicos en la industria exportadora de damasco en fresco, basada en variables internas y de alcance de mercado de las ...
    • Melamine-assisted synthesis of nitrogen-doped ReS 2 nanosheets/carbon composites 
      Benavente, E.; Aliaga, J. A.; Barraza, P.; Araya, J. F.; Farías, M. H.; González, G.; Alonso-Núñez, G. (Elsevier B.V., 2019)
      3D hierarchical nitrogen-doped ReS 2 nanosheets/carbon composites were obtained by a solvothermal synthesis involving the reaction of Re 2 (CO) 10 with sulfur, melamine and solvents (toluene/water). The incorporation of N ...
    • Melting curve of Si by means of the Z-method 
      González-Cataldo, Felipe; Corvacho, Fernando; Gutiérrez, Gonzalo (Institute of Physics Publishing, 2018)
      The melting curve of silicon is investigated through classical molecular dynamics simulations. We explore pressures from 0 to 20 GPa using the EDIP, Stillinger-Weber, and Tersoff interactomic potentials. Using the Z ...
    • Meridional variation in tropospheric methane on Titan observed with AO spectroscopy at Keck and VLT 
      Adamkovics, Mate; Mitchell, Jonathan; Hayes, Alexander; Rojo Rubke, Patricio; Collies, Paul; Barnes, Jason; Ivanov, Valentin; Brown, Robert; Baines, Kevin; Buratti, Bonnie (Elsevier, 2016)
      The spatial distribution of the tropospheric methane on Titan was measured using near-infrared spectroscopy. Ground-based observations at 1.5 mu m (H-band) were performed during the same night using instruments with adaptive ...
    • Meritocracia y desigualdad económica: percepciones, preferencias e implicancias 
      Castillo, Juan C.; Torres, Alex; Atria, Jorge; Maldonado, Luis (CSIC Consejo Superior de Investigaciones Cientifícas, 2019)
      The idea of meritocracy is related to the distribution of goods and rewards based on individual talent and effort, being a principle that legitimizes the unequal distribution of resources in modern societies. Despite the ...
    • Mesozoic and Cenozoic exhumation history of the SW Iberian Variscides inferred from low-temperature ... 
      Vázquez Vílchez, Mercedes; Jabaloy Sánchez, Antonio; Azor, Antonio; Stuart, Finlay; Persano, Cristina; Alonso Chaves, Francisco M.; Martín Parra, Luis Miguel; Matas, Jerónimo; García Navarro, Encarnación (Elsevier, 2015)
      The post-Paleozoic tectonothermal evolution of the SW Iberian Variscides is poorly known mainly due to the scarce low-temperature geochronological data available. We have obtained new apatite fission-tracks and apatite ...
    • MESSAGE from the CONFERENCE CHAIRS 
      Sandini G., Ruiz-Del-Solar J. (Institute of Electrical and Electronics Engineers Inc., 2020)