Mostrando ítems 741-760 de 983

    • Are information systems and computer science overlapping more and more? 

      Gutiérrez Cárdenas, Juan Manuel (ACM Association for Computing Machinery, 2020)
      Acceso abierto
      In this research, we posit the importance of including Computer Science topics in undergraduate Information Systems courses. A review of the existing literature has mentioned the importance of learning some Computer Science ...
    • Water treatment plant prototype with ph control modeled on fuzzy logic for removing arsenic using fe(VI) and fe(III) 

      Paredes Larroca, Fabricio Humberto; Saettone Olschewski, Erich Arturo; Quino Favero, Javier; Huamaní, Jimmy Rosales; Castillo Sequera, José Luis (Multidisciplinary Digital Publishing Institute, 2020)
      Acceso abierto
      This study proposes a fuzzy control strategy embedded in a Siemens IoT2040 gateway developed for removing inorganic arsenic from synthetic underground water in a treatment plant prototype. The prototype is used to dose a ...
    • COVID-19 pandemic lockdown and problematic eating behaviors in a student population 

      Flaudias, Valentín; Iceta, Sylvain; Zerhouni, Oulmann; Rodgers, Rachel Florence; Billieux, Joël; Llorca, Pierre Michel; Boudesseul, Jordane; de Chazeron, Ingrid; Romo, Lucia; Maurage, Pierre; Samalin, Ludovic; Bègue, Laurent; Näassila, Mickaël; Brousse, Georges; Guillaume, S. (NLM (Medline), 2020)
      Acceso abierto
      Background and aims: Since mid-March 2020, over 3 billion people have been confined as a result of the COVID-19 pandemic. Problematic eating behaviors are likely to be impacted by the pandemic through multiple pathways. ...
    • Synthesis, Spectroscopic Characterization, Structural Studies, and in Vitro Antitumor Activities of Pyridine-3-carbaldehyde Thiosemicarbazone Derivatives 

      Hernández Gorritti, Wilfredo Román; Carrasco Solís, Fernando Carlos; Vaisberg, Abraham J.; Spodine, Evgenia N.; Manzur, Jorge S.; Icker, Maik; Krautscheid, Harald; Beyer, Lothar (Hindawi, 2020)
      Acceso abierto
      Eight new thiosemicarbazone derivatives, 6-(1-trifluoroethoxy)pyridine-3-carbaldehyde thiosemicarbazone (1), 6-(4'-fluorophenyl)pyridine-3-carbaldehyde thiosemicarbazone (2), 5-chloro-pyridine-3-carbaldehyde thiosemicarbazone ...
    • Validez de constructo y confiabilidad del inventario de mindfulness y ecuanimidad 

      Moscoso, Manolete S.; Burga León, Andrés Alberto; Bayona Oré, Sussy; Arana Sánchez, Adolfo A.; Oblitas Guadalupe, Luis Armando (Pontificia Universidad Católica del Perú, 2020)
      Acceso abierto
      El propósito del estudio es reportar evidencias de la validez de constructo y confiabilidad de un nuevo instrumento de autorreporte para medir mindfulness y ecuanimidad en una población de habla hispana. Una lista de 26 ...
    • Gentrificación e higienización del espacio en Callao, Perú. Barrio de Castilla 

      Vargas Villafuerte, Jaime Moisés; Cuevas Calderón, Elder Alejandro (Universidad Nacional de Colombia, 2020)
      Acceso abierto
      El objetivo de este estudio es analizar cómo la gentrificación de un barrio metropolitano empieza a dislocar a sus residentes por población flotante (turistas/consumidores). Para ello, exploramos la percepción de los vecinos ...
    • Cellulose Microfibres Obtained from Agro-Industrial Tara Waste for Dye Adsorption in Water 

      Ponce Álvarez, Silvia; Chavarría, María; Norabuena Aliaga, Fiama Vanessa; Chumpitaz, Dalton; Gutarra Espinoza, Abel (Springer, 2020)
      Acceso restringido
      Microfibres of cellulose were extracted from tara residues (TR), obtained after the production process, and used to remove dyes in aqueous solution. Caesalpinia spinosa (Molina) Kuntze or Tara spinosa, commonly known as ...
    • El conocimiento matemático del profesor acerca de la parábola: Diseño de un instrumento para su investigación 

      Advíncula Clemente, Elizabeth Milagro; Beteta Salas, Marisel Rocío; León Ríos, José Carlos; Torres Céspedes, Isabel Zoraida; Montes, Miguel (Universidad Nacional, 2021)
      Acceso abierto
      Research in mathematics education usually focuses on sharing results from the application of instruments to obtain data. Even though these instruments are usually described in the methodology section, their development ...
    • Impacto del riesgo político en la inversión privada en el Perú, periodo 1992-2018 

      Sánchez Dávila, Elmer; Cedano Requena, Carolyne (Universidad Católica de Colombia, 2020)
      Acceso abierto
      This paper aims to determine the impact of political risk on private investment in Peru. Therefore, the methodology used to achieve this goal is an econometric estimation through an autoregressive distributed lag model ...
    • Assessment of fiscal effort and voluntary tax compliance in Peru 

      Ramirez Zamudio, Aldo Fabricio; Nolazco Cama, José Luis (Universidad Católica de Colombia, 2020)
      Acceso abierto
      This study examines the fiscal effort and voluntary compliance in the payment of taxes in Peru, given that in 2014, the Peruvian economy collected only 52.8% of its total tax potential. Through an experiment, the research ...
    • Challenges of financial inclusion policies in Peru 

      Boitano Castro, Guillermo Rafael; Abanto Aranda, Deyvi Franco (Universidad Catolica de Colombia, 2020)
      Acceso abierto
      The purpose of the research is to identify the main determinants of financial inclusion in Peru at the department level (without Lima) from 2010 to 2017, aiming to analyze the challenges faced by financial inclusion ...
    • Micro-rigenerazione di spazi pubblici in aree marginali: processi a confronto Guatemala e Perù 

      Giofrèa, Francesca; Dreifuss Serrano, Cristina (Firenze University Press, 2020)
      Acceso abierto
      L’articolo descrive e compara due processi di progettazione partecipativa in aree marginali del Sud e Centro America: Mixco (Guatemala) e Alto Perù, Chorrillos (Perù). Entrambi i processi hanno l’obiettivo di ...
    • Measurement and analysis of air quality in temporary shelters on three continents 

      Albadra, Dima; Kuchai, N.; Acevedo De los Ríos, Alejandra; Rondinel Oviedo, Daniel Ricardo; Coley, David Alexander; da Silva, Carla Florbela F.P.; Rana, Chetas; Mower, K.; Dengel, Andy C.; Maskell, Dan; Ball, R. J. (Elsevier, 2020)
      Acceso abierto
      Millions of displaced people are housed in shelters that generally consist of a single room, meaning that activities including cooking, sleeping and socializing all take place in the same space. Therefore, indoor air quality ...
    • La ciudad como utopía: Las crónicas periodísticas sobre Lima de Sebastián Salazar Bondy 

      Susti Gonzales, Alejandro Enrico (University Library System, University of Pittsburgh, 2020)
      Acceso abierto
      En su tesis doctoral, el crítico francés Gérald Hirschhorn (2005) sostiene que Sebastián Salazar Bondy llegó a escribir la sorprendente suma de 2,231 artículos entre 1942 y 1965, entre estos, un total de 1,089 “dedicados ...
    • Fear of crime examined through diversity of crime, social inequalities, and social capital: An empirical evaluation in Peru 

      Hernández Breña, Wilson Virgilio; Dammert, Lucia; Kanashiro Nakahodo, Lilian (Sage Journals, 2020)
      Acceso abierto
      Latin America is a violent region where fear of crime is well spread but still not fully understood. Using multilevel methods for a large and subnational representative household survey (N = 271,022), we assess the ...
    • Imaginarios de la corporeidad: cuerpo, silencios y tiempos en Pedro Páramo, de Juan Rulfo 

      Finol, José Enrique (Universita di Torino, 2020)
      Acceso abierto
      La presente investigación intenta determinar cuáles son los imaginarios corporales que estructuran la novela Pedro Páramo (1955), de Juan Rulfo, un texto sobre el cual se han realizado numerosos análisis para indagar sobre ...
    • Removal of nitrogen and phosphorus from domestic wastewater by electrocoagulation: Application of multilevel factorial design 

      Aguilar Ascón, Edwar (Polish Society of Ecological Engineering, 2020)
      Acceso abierto
      The main objective of this investigation was to evaluate the efficiency of electrocoagulation for the elimination of nitrogen and phosphorous from domestic wastewater and to determine the main operating parameters affecting ...
    • Removal of azo dyes in aqueous solutions using magnetized and chemically modified chitosan beads 

      Muedas Taipe, Golfer; Maza Mejía, Ily Marilú; Santillán, Fátima A.; Velásquez, Carlos J.; Asencios, Yvan J.O. (Elsevier, 2020)
      Acceso restringido
      Azo dyes in wastewater coming from textile industry are detrimental, toxic, and affect the human health; therefore efficient wastewater treatments are needed. To contribute to the solution to this problem, in this paper ...
    • Scaling up photoelectrocatalytic reactors: A TiO2 nanotube-coated disc compound reactor effectively degrades acetaminophen 

      Montenegro Ayo, Renato Martin; Morales Gomero, Juan Carlos; Alarcón Cavero, Hugo Arturo; Cotillas, Salvador; Westerhoff, Paul K.; García Segura, Sergi (Multidisciplinary Digital Publishing Institute, 2019)
      Acceso abierto
      Multiple discs coated with hierarchically-organized TiO2 anatase nanotubes served as photoelectrodes in a novel annular photoelectrocatalytic reactor. Electrochemical characterization showed light irradiation enhanced the ...
    • Relación entre innovación y empleo en la industria manufacturera peruana, 2012-2014 

      Nolazco Cama, José Luis; Salas Fernández, Humberto; Céspedes Reynaga, Nikita (Universidad del Pacífico, 2020)
      Acceso abierto
      En este documento se explora la relación de la innovación con el empleo en la industria manufacturera peruana con base en el modelo desarrollado por Jaumandreu (2003) y Harrison et al. (2008), y se distingue entre dos tipos ...