Now showing items 1-20 of 41

    • Ultraviolet concentration factor of a truncated compound parabolic concentrator under different weather conditions 

      Saettone-Olschewski, Erich-Arturo; Paredes-Larroca, Fabricio-Humberto; Quino-Favero, Javier; Ponce-Álvarez, Silvia; Eyzaguirre-Pérez, Raúl (Pleiades PublishingRusia, 2020)
      Acceso restringido
      This study presents the results of ultraviolet radiation measurement in a truncated compound parabolic concentrator. The measurements were performed by using of a portable ultraviolet sensor both inside and outside the ...
    • Which complexity characteristics do economical industries present? 

      Aita-Ramírez-Gastón, Rafael (WIT PressReino Unido, 2020)
      Acceso abierto
      The past decade has seen a development of complex theories in different fields, raising the question: should managers use complex principles in their strategy? The answer implies to analyze companies and economical industries ...
    • Factorial design for preparing chitosan nanoparticles and its use for loading and controlled release of indole-3-acetic acid with effect on hydroponic lettuce crops 

      Valderrama-Negrón, Ana-Cecilia; Jacinto-Hernández, Christian-Ronald; Lay, Jorge; Flores-E., Yoselyn; Zavaleta-C., Daniel; Rodríguez-Delfín, Alfredo (International Society of Biocatalysis and Agricultural BiotechnologyPaíses Bajos, 2020)
      Acceso restringido
      The excessive use of agrochemicals generates damage to the environment, so their controlled release from biodegradable nanoparticles represents a good solution. In this study, chitosan nanoparticles (CNPs) were prepared ...
    • Indole-3-carbaldehyde Semicarbazone Derivatives: Synthesis, Characterization, and Antibacterial Activities 

      Carrasco-Solís, Fernando; Hernández-Gorritti, Wilfredo-Román; Chupayo, Oscar; Celedonio M., Álvarez; Oramas-Royo, Sandra; Spodine, Evgenia; Tamariz-Angeles, Carmen; Olivera-Gonzale, Percy; Dávalos, Juan Z. (Hindawi LimitedReino Unido, 2020)
      Acceso abierto
      The two-dimensional NMR (in acetone-d6) spectral data revealed that the molecules 1 and 2 in solution are in the cisE isomeric form. This evidence is supported by DFT calculations at the B3LYP/6-311++G(d,p) level of theory ...
    • Confined benzene within InOF-1: Contrasting CO2 and SO2 capture behaviours 

      Barrios-Vargas, Luz; Ruiz-Montoya, José; Landeros-Rivera, Bruno; Álvarez, J. Raziel; Alvarado-Alvarado, Daniel; Vargas, Rubicelia; Martínez, Ana; González-Zamora, Eduardo; Cáceres-Montero, Ludy; Morales-Gomero, Juan-Carlos; Ibarra, Ilich A. (Royal Society of ChemistryReino Unido, 2020)
      Acceso restringido
      The confinement of small amounts of benzene in InOF-1 (Bz@InOF-1) shows a contradictory behavior in the capture of CO2 and SO2. While the capture of CO2 is increased 1.6 times, compared to the pristine material, the capture ...
    • TiO2 films on CoFe2O4 nanoparticles for the photocatalytic oxidation of rhodamine B: Influence of the alcoholic solutions 

      Gastello, Elmer; Gastello, Elmer; Estrada, David; Estrada, David; Estrada, Walter; Estrada, Walter; Luyo, Clemente; Luyo, Clemente; Espinoza, Juan; Espinoza, Juan; Ponce-Álvarez, Silvia; Ponce-Álvarez, Silvia; Montes-de-Oca, Juan; Montes-de-Oca, Juan; Acosta, Dwight-Roberto; Acosta, Dwight-Roberto; Rodríguez, Juan-M.; Rodríguez, Juan-M. (SPIESPIEEstados UnidosEstados Unidos, 2019)
      Acceso restringido
      In the present work, photocatalytic oxidation of Rhodamine B solutions were performed using a composite material prepared by titanium dioxide films deposited onto cobalt ferrite nanoparticles. Cobalt ferrite nanoparticles ...
    • Glyceridic and Unsaponifiable Components of Microencapsulated Sacha Inchi (Plukenetia huayllabambana L. And Plukenetia volubilis L.) Edible Oils 

      Chasquibol-Silva, Nancy; Gallardo, Gabriela; Gómez-Coca, Raquel; Trujillo, Diego; Moreda, W.; Pérez-Camino, María-Carmen (Multidisciplinary Digital Publishing Institute (MDPI)Suiza, 2019)
      Acceso abierto
      Sacha inchi (Plukenetia huayllabambana L. and Plukenetia volubilis L.) edible oils were microencapsulated and the lipid fraction of the microparticles was characterized. Hi-cap®, Capsule®, Arabic gum, and the binary ...
    • Treatment of irrigation water infested with nematodes using a solar photoreactor 

      Inga López, Jesarella; Meza Contreras, Víctor; Rodríguez-Delfín, Alfredo; Ponce-Álvarez, Silvia; Paredes-Larroca, Fabricio-Humberto; Quino-Favero, Javier; Eyzaguirre-Pérez, Raúl; Saettone-Olschewski, Erich-Arturo (Desalination PublicationsEstados Unidos, 2020)
      Acceso restringido
      The objective of this study was to assess the efficacy of the disinfection of irrigation water loaded with the plant-parasitic nematode Meloidogyne incognita using a solar photoreactor. The photoreactor was comprised of a ...
    • Development of a Fuzzy Logic-Based Solar Charge Controller for Charging Lead–Acid Batteries 

      Paredes-Larroca, Fabricio-Humberto; Saettone-Olschewski, Erich-Arturo; Quino-Favero, Javier; Rosales-Huamaní, Jimmy; Castillo-Sequera, José-Luis (SpringerSuiza, 2020)
      Acceso restringido
      The design and implementation of a solar charge controller for lead–acid batteries is intended to supplement a component of the water purification module of the water treatment unit for natural disaster relief. This unit ...
    • ZnO (Ag-N) Nanorods Films Optimized for Photocatalytic Water Purification 

      Sanchez, Luis; Castillo, Carlos; Cruz, Willy; Yauri, Bryan; Sosa, Miguel; Luyo, Clemente; Candal, Roberto-Jorge; Ponce-Álvarez, Silvia; Rodríguez, Juan-M. (Multidisciplinary Digital Publishing InstituteSuiza, 2019)
      Acceso abierto
      ZnO nanorods (NRs) films, nitrogen-doped (ZnO:N), and ZnO doped with nitrogen and decorated with silver nanostructures (ZnO:N-Ag) NRs films were vertically supported on undoped and N doped ZnO seed layers by a wet chemical ...
    • Profiles of academic goals in engineering students at private universities in Peru 

      Machuca-de-Pina, Juan-Manuel; Chong, Mario (IEEEEstados Unidos, 2019)
      Acceso restringido
      Motivation is a complex construct related to performance, persistence, effort and the development of strategies for academic achievement in undergraduate university students. The characteristics of the engineering student ...
    • Teaching software engineering to career-changers 

      Dorin, Michael; Machuca-de-Pina, Juan-Manuel; Montenegro, Sergio (IEEEEstados Unidos, 2019)
      Acceso restringido
      The Graduate Programs in Software department of the University of St. Thomas provides an avenue for people to pursue software related careers without regards to their prior technical background. This flexible program offers ...
    • Elimination of Escherichia coli in Water Using Cobalt Ferrite Nanoparticles: Laboratory and Pilot Plant Experiments 

      Gastelo, Elmer; Montes-de-Oca, Juan; Carpio-Deza, Edward; Espinoza, Juan; García, Pilar; Ponce-Álvarez, Silvia; Rodriguez, Juan-Martín (Multidisciplinary Digital Publishing InstituteSuiza, 2019)
      Acceso abierto
      This paper focuses on the synthesis of cobalt ferrite nanoparticles by the sol–gel method and their photocatalytic activity to eliminate bacteria in aqueous media at two di erent scales: in a laboratory reactor and a ...
    • A theoretical approach of the ethanol adsorption on Au(100), Au(110) and Au(111) surfaces 

      Fallaque-Najar, Joel; Morales-Gomero, Juan-Carlos; Timón, Vicente (ElsevierPaíses Bajos, 2019)
      Acceso restringido
      The adsorption of ethanol on Au(100), Au(110) and Au(111) surfaces was studied using electronic structure calculations under the scheme of the density functional theory (DFT) with van der Waals corrections, vdW-DF2 and PBE ...
    • Goal programming optimization model under uncertainty and the critical areas characterization in humanitarian logistics management 

      Machuca-de-Pina, Juan-Manuel; Chong, Mario; Pereda, Maria-Cristina; Lazo-Lazo, Juan-Guillermo (Emerald Group PublishingInglaterra, 2019)
      Acceso restringido
      The purpose of this paper is to improve disaster management models, have an optimal distribution of assets, reduce human suffering in a crisis and find a good solution for warehouse locations, distribution points, inventory ...
    • Curitiba Statement on Health Promotion and Equity: voices from people concerned with global inequities 

      Akerman, Marco; Mercer, Raúl; Franceschini, Maria-Cristina; Rocha, Dais; Prado-Alexandre-Weiss, Veruska; Peñaherrera-Sánchez, Edwin-Alberto; Moysés, Simone-Tetú (Oxford University PressReino Unido, 2019)
      Acceso abierto
      This Statement represents the voice of participants in the 22nd IUHPE World Conference on Health Promotion, held in Curitiba, Brazil, in May 2016. The Brazilian political context at that time greatly influenced the drafting ...
    • Microstructural stability, microhardness and oxidation behaviour of in situ reinforced Ti–8.5Al–1B–1Si (wt%) 

      Velasco-Ycochea, Bruno; Aswath, P. B. (Kluwer Academic PublishersPaíses Bajos, 1998)
      Acceso restringido
      Microstructural stability, microhardness and oxidation behaviour of an in situ reinforced Ti–8.5Al–1B–1Si (wt%) alloy was examined in both air and argon environments. When exposed for up to 5760 min at temperatures below ...
    • Electrochemical synthesis of ferrate(Vi): Optimization of parameters and evaluation of their impact in production cost 

      Quino-Favero, Javier; Eyzaguirre-Pérez, Raúl; Prieto-Veramendi, Patricia-Mahela; Mogrovejo-García, Paloma; Flores-del-Pino, Lisveth (Desalination PublicationsItalia, 2018)
      Acceso restringido
      Ferrates have attracted considerable research in the last few decades because their activity is not associated with toxic by products. This research investigated the effect of three factors on ferrate (VI) synthesis using ...
    • Markers of quality and genuineness of commercial extra virgin sacha inchi oils 

      Chasquibol-Silva, Nancy; Gómez-Coca, Raquel B.; Yacono-Llanos, Juan-Carlos; Guinda, Ángeles; Moreda, W.; Del-Aguila, Chellah; Pérez-Camino, María-del-Carmen (Consejo Superior de Investigaciones CientíficasEspaña, 2016)
      Acceso abierto
      This work tackles the study of the quality and authenticity of oils labeled and commercialized as extra virgin sacha inchi oil. Major and minor components as triglycerides, fatty acid methyl esters, tocopherols, sterols ...
    • Adsorption of antipyrine by activated carbons from FeCl3-activation of Tara gum 

      Bedia, Jorge; Belver-Coldeira, Carolina; Ponce-Álvarez, Silvia; Rodríguez, Juan-Martín; Rodríguez, J. J. (Elsevier BVPaíses Bajos, 2018)
      Acceso restringido
      Activated carbons were synthesized by FeCl3-activation of Tara gum at different temperatures (400–1000 °C). The activating agent and the precursor were physically mixed at different ratios (r= FeCl3:precursor, 0.5–3.0 ...