1. En revistas indexadas en Scopus, Web of Science y SciELO: Envíos recientes
Mostrando ítems 921-940 de 983
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Composición fitoquímica del aceite de las semillas del fruto del "Aguaymanto", Physalis peruviana L.
(Sociedad Química del Perú, 2015)Acceso abiertoThe content of fatty acids and antioxidants in the oil of the seeds of fruit of "aguaymanto" were studied. The extraction of crude oil was carried out by the expeller pressing method with a yield of 18.09%. Fatty acids, ... -
Dimensiones sintomáticas psicopatológicas en conductores de Lima Metropolitana
(Universidad San Martín de Porres, 2015)Acceso abiertoThe objective of this study was to describe and compare the symptomatic psychopathological dimensions in private drivers, private service, and public service providers in Metropolitan Lima. The participants were 1,985 male ... -
Synthesis and Characterization of New Palladium(II) Thiosemicarbazone Complexes and Their Cytotoxic Activity against Various Human Tumor Cell Lines
(Hindawi Publishing Corporation, 2013)Acceso abiertoThe palladium(II) bis-chelate complexes of the type [Pd(TSC1-5)2] (6–10), with their corresponding ligands 4-phenyl-1-(acetone)-thiosemicarbazone, HTSC1 (1), 4-phenyl-1-(2'-chloro-benzaldehyde)-thiosemicarbazone, HTSC2 ... -
Design and construction of a fresnel linear distiller
(Allerton Press, Inc., 2014)Acceso restringidoIt was designed a Fresnel linear distiller based on optical calculations obtained from taking into account Lima’s latitude value, Earth inclination angle and heat absorber cavity’s dimensions. The 5.6 m2 reflective surface ... -
Achievement goals, learning strateges and language achevement among peruvian high school students
(Ubiquity Press Ltd., 2007)Acceso abiertoWe used an achievement goal framework to study the role of motivation in the academic context of a Peruvian sample of 8 th to 10 th grade high school students (N = 1505). The purpose of this cross-sectional study was to ... -
Synthesis and Characterization of ZnO Nanorod Films on PET for Photocatalytic Disinfection of Water
(Science & Technology Network, Inc., 2015)Acceso abiertoZnO nanorods (ZnO NRs) were grown on ZnO seeded polyethylene tert-phtalate (PET) substrates obtained from recycled soda bottles at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds ... -
Discrete analogue of Fucik spectrum of the Laplacian
(Elsevier BV, 1999)Acceso abiertoThe discrete analog of the Fucik spectrum for elliptic equations, namely M-matrices, is shown to have properties analogous to the continuum. In particular, the Fucik spectrum of a M-matrix contains a continuous and decreasing ... -
Autonomous and controlled regulation of performance-approach goals: Their relations to perfectionism and educational outcomes
(Springer, 2010)Acceso abiertoThe present research uses self-determination theory to examine whether autonomous and controlled regulation of performance-approach (PAp) goals would differentially predict educational outcomes and add to the variance ... -
Desalination using a parabolic-trough concentrator
(Allerton Press Inc., 2012)Acceso abiertoThere are presented desalination results by using a parabolic-trough concentrator (PTC) device of 5.5 m2, 0.7 m of line focal distance and aligned in the East—West direction. The length of the PTC is 2.5 m and its rectangular ... -
Caracterización de piezas de oro precolombinas peruanas: Hacia una interpretación de los resultados analíticos
(Facultad de Ciencias Sociales y Jurídicas de la Universidad de Tarapacá, 2015)Acceso abiertoEl presente trabajo es el resultado del estudio de 581 piezas de oro precolombino pertenecientes a una colección privada. Este estudio se llevó a cabo para confirmar cuáles de las 581 piezas pertenecían al patrimonio ... -
La televisión: vista, oída y leída por adolescentes peruanos
(Grupo Comunicar, 2011)Acceso abiertoEl presente trabajo analiza la relación actual de los adolescentes peruanos con la pantalla televisiva. La información consultada en diversas fuentes concluye que los adolescentes siguen consumiendo ampliamente la televisión, ... -
El protocolo familiar. La contractualización en las familias empresarias para la gestión de las empresas familiares
(Universidad Nacional Autónoma de México, 2010)Acceso abiertoThe family enterprises are a world phenomenon of great transcendency for the high number of them, nevertheless they meet overwhelmed by the problem of the generational transition that, in many occasions, it marks the ... -
Securitization of brand names: Basic concepts and its use in practice
(Palgrave Macmillan, 2009)Acceso restringidoToday, the securitization industry is international in scope, large and rapidly growing, and the nature of it has changed to become largely intellectual property (IP) and future flow based. Brand securitization, one type ... -
Influence of Pyrolytic Seeds on ZnO Nanorod Growth Onto Rigid Substrates for Photocatalytic Abatement of Escherichia coli in water
(IWA Publishing, 2014)Acceso restringidoZnO nanorods (ZnO NRs) were grown on ZnO seeded fluorine doped tin oxide (FTO) substrates at low temperatures (90 °C) from Zn2+ precursors in alkaline aqueous solution. The ZnO seeds were deposited on the FTO substrate ... -
Bibliotecas, imprentas y difusión de noticias en el Perú colonial
(Université Michel de Montaigne Bordeaux, 2011)Acceso abiertoAmplia síntesis historiográfica de la investigación sobre el impreso en el Nuevo Mundo que abarca la historia de la imprenta, de las bibliotecas, de las lecturas y de la prensa, desde los trabajos pioneros de José Toribio ... -
El amauta Pedro Ortiz Cabanillas (1933-2011)
(Instituto Nacional de Salud, 2011)Acceso abiertoHa fallecido un médico y un maestro, cuyos méritos profesionales son difícilmente comparables a los de muchos otros intelectuales que han contribuido con sus esfuerzos para que en nuestro país se dé un cambio social que ... -
Intelligence in Peru: Students' results in Raven and its relationship to SES.
(Elsevier, 2015)Acceso restringidoSeveral studies have tried to estimate the average cognitive ability level in Peru. The results oscillated between IQ 90 (Lynn & Vanhanen, 2002) and 85 (Lynn & Vanhanen, 2006, 2012). Moreover, regional studies conducted ... -
Study persistence and academic achievement as a function of the type of competing tendencies
(Springer Netherlands, 2005)Acceso abiertoIn order to understand and predict students' achievement and persistence at learning activities, many contemporary motivational models consider how much students are motivated for their school work. However, students' ... -
Synthesis and Characterization of New Palladium(II) Complexes with Ligands Derived from Furan-2-carbaldehyde and Benzaldehyde Thiosemicarbazone and their in vitro Cytotoxic Activities against Various Human Tumor Cell Lines
(Walter de Gruyter GmbH, 2010)Acceso abiertoWith the ligands 4-phenyl-1-(furan-2-carbaldehyde)thiosemicarbazone, HTSC1,(1), 4-phenyl-1-(5'-phenyl-furan-2-carbaldehyde)thiosemicarbazone, HTSC2(2),o-methoxy-benzaldehydethiosemi-carbazone, HTSC3(3), ando-cyano-benzal ... -
Nanostructured Screen-Printed Electrodes Modified with Self-Assembled Monolayers for Determination of Metronidazole in Different Matrices
(Sociedade Brasileira de Quimica, 2014)Acceso abiertoThis paper describes the development of a sensor for the determination of metronidazole using a simple method involving the creation of nanoporous structures on gold electrodes followed by modification with self-assembled ...
