Listar Productos de investigación por título
Mostrando ítems 606-625 de 1410
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Failures Monitoring in Refrigeration Equipment
(Springer Verlag, 2018)The refrigerators are the responsible to assure the temperature and humidity conditions for perishable products stored in it. In this sense, it is necessary to guarantee its good performance at all times in order to preserve ... -
La familia de crianza desde la jurisprudencia constitucional colombiana
(Cartagena de IndiasCampus Tecnológicoprograma2, 2024)La familia de crianzaes una institución jurídica que en elsistema jurídico colombiano seadscribe a la iusteoría delantiformalismo. Esto se justifica alconsiderar que la ConstituciónPolítica colombiana ... -
Family school climate and its relationship with academic performance: Application in rural educational institutions
(Cartagena de Indias, 2022)Analyses that allow understanding the organizational behavior of the actors are very important. The objective of this article is to determine the relationship between family social climate and educational quality indicators ... -
Fatigue Life Estimation Model of Repaired Components with the Expanded Stop-Hole Technique
(Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2024-02-01)Fatigue crack growth tests are conducted to assess the efficacy of the stop-hole crack repair method. This straightforward and widely adopted technique involves drilling a hole at the crack tip and subsequently enlarging ... -
Features of dengue and chikungunya infections of colombian children under 24 months of age admitted to the emergency department
(Oxford University Press, 2018)We aimed to assess clinical and laboratory differences between dengue and chikungunya in children <24 months of age in a comparative study. We collected retrospective clinical and laboratory data confirmed by NS1/IgM for ... -
Fetal ECG extraction using independent component analysis by Jade approach
(SPIE, 2017)Fetal ECG monitoring is a useful method to assess the fetus health and detect abnormal conditions. In this paper we propose an approach to extract fetal ECG from abdomen and chest signals using independent component analysis ... -
Financial modelling in turbulent scenarios: A didactic for the financial valuation of companies and projects
(Cartagena de Indias, 2022)The actual professional needs to process large volumes of real information from companies and projects, to test and to validate various solution scenarios for the most successful decision making in difficult situations. ... -
Finding a voice through research
(SAGE Publications Ltd, 2006)One question guided this experimental study: What impact does the change from teacher training to educational research have on university teachers' methodology and attitudes to teaching? To find answers to this question, ... -
Fiscal impacts and cross-border effects of a change in state liquor policy
(Cartagena de Indias, 2020-07)This paper analyzes the economic effects of the 2012 change in liquor policy (Initiative 1183) in Washington State in the United States. This policy increased the availability of liquor but also increased taxes on liquor ... -
Flexible Liquid Crystal Polymer based complementary split ring resonator loaded quarter mode substrate integrated waveguide filters for compact and wearable broadband RF applications
(Institute of Electrical and Electronics Engineers Inc., 2014)In this paper the flexible Liquid Crystal Polymer (LCP) substrate is used to implement broadband wearable/foldable conformal bandpass filters that use compact cavity resonators working under the principle of quarter mode ... -
Forecasting foreign exchange rates in Colombia assuming PPP conditions: Empirical evidence using VAR
(Cartagena de Indias, 2009)This document examines exchange rate forecasts during the 1995-2005 period, using a Purchasing Power of Parity Exchange Rate Model (PPPER). Our first finding is that the computed forecasts seem to validate the use of this ... -
Form and void in Severo Sarduy's poetry
(Cartagena de Indias, 2013)In this essay we will elevate models on simulated models and/or figures in Severo Sarduy's poetry which can reveal the relationship between form and void and the philological and philosophical implications of that correlation. -
Formación artística y desarrollo profesional : el caso de la profesionalización de artistas de la Universidad del Atlántico /
(2020)El articulo analiza los resultados en el desarrollo profesional de un grupo de artistas egresados de la primera cohorte de profesionalización en Licenciatura en Música de la Universidad del Atlántico, graduada en agosto ... -
Fotografía en América Latina. Imágenes e Identidades a Través del Tiempo y el Espacio.
(Cartagena de Indias, 2019)El Instituto de Estudios Peruanos publicó en el verano de 2018 -bajo la coordinación editorial de las antropólogas Gisela Cánepa Koch e Ingrid Kummels- esta recopilación de estudios de caso que exploran el redescubrimiento, ... -
Fractional Fourier analysis of random signals and the notion of α -Stationarity of the Wigner-Ville distribution
(2013)In this paper, a generalized notion of wide-sense α-stationarity for random signals is presented. The notion of stationarity is fundamental in the Fourier analysis of random signals. For this purpose, a definition of the ... -
Fractional Fourier transform method of chirped fringe pattern analysis for profilometry
(Cartagena de Indias, 2020)A method is proposed to obtain the 3D profile of an object or the shape of a wavefront. The analysis of linearly chirped cosenoidal fringes is performed in the fractional Fourier domain. © OSA 2020, © 2020 The Author(s) -
Fractional sampling theorem for -bandlimited random signals and its relation to the von neumann ergodic theorem
(Institute of Electrical and Electronics Engineers Inc., 2014)Considering that fractional correlation function and the fractional power spectral density, for -stationary random signals, form a fractional Fourier transform pair. We present an interpolation formula to estimate a random ... -
Fracture Dynamic Analysis of Cracked Reissner Plates Using the Boundary Element Method
(Cartagena de IndiasIngeniería Mecánica, 2020-05-15)This work presents a Dual Boundary Element Method/Dual Reciprocity Boundary Element Method formulation for the dynamic analysis of fractured shear deformable plates. Equations for the Dual Boundary Element Method, including ... -
Francoist representations in the monetary issues of the reign of Juan Carlos I (1975-2014)
(Cartagena de Indias, 2021)This paper contains a review of all the legal tender coins that display an iconography associated with the Franco dictatorship during the reign of Juan Carlos I of Spain (1975-2014), except for collectible coins (commemorative ... -
Fray pedro of santa maría de ois'pilgrimage seen by the journal as 4 aldeas
(Cartagena de Indias, 2020)The following research article presents an exhaustive compilation of the news in the local journal As 4 aldeas related to the pilgrimage of Fray Pedro de Santa María de Ois (Coirós, A Corunna); a historic celebration of a ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.