Mostrando ítems 2916-2935 de 4514

    • Occult hepatitis B and HIV infection 

      Soriano, Vicente ; Aguilera, Antonio; González, Rocío; Gómez-Gallego, Felix ; Barea, Luisa; Treviño, Mercedes; Corral, Octavio Jorge (European Journal of Gastroenterology & Hepatology, 11/2019)
      Introduction Occult hepatitis B virus (HBV) infection, so-called occult B infection (OBI), is defined by the recognition of HBV-DNA in the absence of serum hepatitis B surface antigen (HBsAg). The HBV-DNA genome in OBI is ...
    • Occupational and Leisure Physical Activity on Cardiovascular Risk and Body Composition Among Courier Workers 

      Galmes-Panades, Aina Maria; Abbate, Manuela; Bennasar-Veny, Miquel; Lopez-Gonzalez, Angel Arturo; Vicente-Herrero, Mª Teofila; Busquets-Cortes, Carla; Leiva, A.; Yanez, Aina Maria (Biological Research For Nursing, 2022)
      Objective There is some controversy about the beneficial effects of occupational physical activity (OPA) on cardiovascular risk (CVR). The main aim of this study was to explore the effect of the combination of different ...
    • Occupational hypersensitivity pneumonitis caused by fossil-containing rocks 

      Armentia, Alicia; Fernández, Sara; San Miguel Rodríguez, Angel ; San Miguel Hernández, Ángel ; Corell, Alfredo; Gayoso, Manuel (Elsevier B.V., 2022)
      Aims: We present a hypersensitivity immune response to inhalation of antigens from fossil soils frequently used in tile manufacture. We found that the soil polished by a worker affected by pneumonitis was a paleosol ...
    • Occupational injuries in workers of a Spanish bank 

      Reinoso-Barbero, Luis; Pardillos, L.; Romero-Paredes, M-C.; Díaz-Garrido, Ramón; Mendiguren-Santiago, José María; Gieco, A.; Gómez-Gallego, Felix (Occupational Medicine, 2023)
      BACKGROUND: In 2017, 69 108 work-related traffic injuries with medical leave were documented, constituting 12% of all occupational injuries (OI) in Spain. AIMS: The aim of this study was to describe OI within a Spanish ...
    • OERaaS: Open Educational Resources as a Service With the Help of Virtual Containers 

      Corbi, Alberto ; Burgos, Daniel (IEEE Latin America Transactions, 06/2016)
      The new and challenging virtual containers are wide spread in a variety of sectors like systems administration, application deployment and service provision. However, these tools are not that much used in education and ...
    • Of Rats and People: A Select Comparative Analysis of Cue Competition, the Contents of Learning, and Retrieval 

      Rosas, Juan M; Gámez, A Matías; León, Samuel P ; González Tirado, Gabriel; Nelson, J Byron (International Journal of Psychology and Psychological Therapy, 06/2017)
      Select literature regarding cue competition, the contents of learning, and retrieval processes is summarized to demonstrate parallels and differences between human and nonhuman associative learning. Competition phenomena ...
    • La oferta de recursos y materiales de apoyo a la enseñanza y el aprendizaje a través de la web 

      Jiménez Fernández, Concepción María (Biblios: Journal of Librarianship and Information ScienceBiblios: Revista de Bibliotecología y Ciencias de la Información, 09/2013)
      En este artículo se describe el análisis llevado a cabo sobre las 517 web de biblioteca escolar de centros de educación primaria existentes en las diez provincias que conforman dos comunidades autónomas cercanas, Andalucía ...
    • Oír la radio en España. Aproximación a las audiencias radiofónicas durante el primer franquismo (1939-1959) 

      Gómez García, Salvador (Historia Crítica, 05/2013)
      Esta investigación analiza las audiencias de radio durante el primer franquismo (1939-1959) y valora la eficacia de la propaganda oficial a través de Radio Nacional de España (RNE). Se utilizan estadísticas y fuentes ...
    • OK, Boomer: New Users, Different Platforms, New Challenges 

      Romero-Rodríguez, Luis M; Tejedor-Calvo, Santiago; Berlanga Fernández, Inmaculada (Media and communication, 2022)
      The popularization of new interaction spaces brings new narratives and social phenomena that merit attention from the sci‐ entific community. Based on the existing literature on the new challenges facing the communication ...
    • Olive Stone Ash as Secondary Raw Material for Fired Clay Bricks 

      Eliche-Quesada, D; Felipe Sesé, Manuel Ángel ; Infantes-Molina, A (Advances in Materials Science and Engineering, 2016)
      This work evaluates the effect of incorporation of olive stone ash, as secondary raw material, on the properties of fired clay bricks. To this end, three compositions containing 10, 20, and 30 wt% olive stone ash in a ...
    • On a Newton-type family of high-order iterative methods for some matrix functions 

      Amat, Sergio; Busquier, Sonia; Magreñán, Á. Alberto (AIP Conference Proceedings, 2018)
      The main goal of this paper is to approximate some matrix functions by using a family of high-order Newton-type iterative methods. We analyse the semilocal convergence and the speed of convergence of these methods. Concerning ...
    • On Attacking Kerberos Authentication Protocol in Windows Active Directory Services: A Practical Survey 

      Díaz Motero, Carlos ; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Sicilia, Juan Antonio ; Gámez, Nádia (Institute of Electrical and Electronics Engineers Inc., 2021)
      Organizations use Active Directory Windows service to authenticate users in a network with the extended Kerberos Authentication protocol. Therefore, it is necessary to investigate its resistance to the different types of ...
    • ?On Both Sides of the Strait?: Discourses and Policies on Cultural Diversity in Southern Mediterranean Spain 

      Venegas, Mar; Luque, Mónica; Velasco, Elisa; Sánchez, Kiko (Revista Española de Sociología, 2023)
      This article aims to analyse the evolution, and current situation, of discourses and policies on cultural diversity in primary schools on both sides of Southern Mediterranean Spain around the Strait of Gibraltar (Andalusia, ...
    • On Combining Static, Dynamic and Interactive Analysis Security Testing Tools to Improve OWASP Top Ten Security Vulnerability Detection in Web Applications 

      Mateo Tudela, Francesc ; Bermejo Higuera, Juan Ramón ; Bermejo-Higuera, Javier ; Sicilia, Juan Antonio ; Argyros, Michael I (Applied Sciences-Basel, 12/2020)
      The design of the techniques and algorithms used by the static, dynamic and interactive security testing tools differ. Therefore, each tool detects to a greater or lesser extent each type of vulnerability for which they ...
    • On Constraining Rationality and Revisiting the Logic of Beliefs: An Introduction 

      Ariso Salgado, José María; Wagner, Astrid (Rationality Reconsidered: Ortega y Gasset and Wittgenstein on Knowledge, Belief, and Practice, 2016)
      In thisvolumewe willtreat thetopicofrationality,understanding theterm in abroad sense.Wewilltry to developaconstructive perspectiveonthe topic inwhichelements of philosophy of language,phenomenology,pragmatism,andphi-los ...
    • On improvement of speech intelligibility and quality: a survey of unsupervised single channel speech enhancement algorithms 

      Saleem, Nasir; Khattak, Muhammad Irfan; Verdú, Elena (International Journal of Interactive Multimedia and Artificial Intelligence, 06/2020)
      Many forms of human communication exist; for instance, text and nonverbal based. Speech is, however, the most powerful and dexterous form for the humans. Speech signals enable humans to communicate and this usefulness of ...
    • On k-polycosymplectic Marsden–Weinstein reductions 

      Lucas, Javier de; Rivas, Xavier; Vilariño, Silvia; Zawora, Bartosz M. (Journal of Geometry and Physics, 2023)
      We review and slightly improve the known k-polysymplectic Marsden–Weinstein reduction theory by removing some technical conditions on k-polysymplectic momentum maps by developing a theory of affine Lie group actions for ...
    • On My Own: Acquiring Technical Digital Skills for Mobile Phone Use in Chile. Parents-children Perceptions 

      Feijoo, Beatriz ; Sádaba, Charo; Martínez, Gemma (Cherkas Global University, 28/12/2021)
      Despite its relevance, the difficulty in reaching consensus on the definition of digital competence slows down its implementation. The need of prior development of specific skills to advance in digital development has been ...
    • On the behavior of chebyshev's method applied to cubic polynomials 

      Magreñán, Á. Alberto ; García-Olivo, Martín; Gutiérrez, José M (Civil-Comp Proceedings, 2014)
      This paper shows the dynamical behavior of the well-known Chebyshev method when it is applied to cubic polynomials. We present the scaling theorem associated to the method and we study the real dynamics of the method. The ...
    • On the choice of the best members of the Kim family and the improvement of its convergence 

      Chicharro, Francisco Israel ; Cordero, Alicia; Garrido, Neus; Torregrosa, Juan Ramón (Mathematical Methods in the Applied Sciences, 30/09/2020)
      The best members of the Kim family, in terms of stability, are obtained by using complex dynamics. From this elements, parametric iterative methods with memory are designed. A dynamical analysis of the methods with memory ...