Now showing items 1-20 of 22

  • A conceptual discussion on electromagnetic units - Extending mechanical units towards a global system of units 

    Jaen Herbera, Javier; Bohigas Janoher, Xavier; Pejuan Alcobé, Arcadi (2014-05)
    Article
    Restricted access - publisher's policy
    A comparative review of the different systems of units that are most usual in electromagnetism leads to the proposal of a new system of units. In this system, the gravitational constant acquires the role of an interaction ...
  • A multimedia-based course to learn basic acoustics through the Internet: description and evaluation 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier; Periago Oliver, M. Cristina (2009)
    Conference report
    Open Access
    A course on Basic Acoustics has been implemented as an Internet site with multimedia resources such as Flash animations, video clips, etc. Multimedia resources are particularly suitable for acoustics, due to the special ...
  • An evaluation tool for physics applets 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier (Omnia Publisher SL (OmniaScience), 2016)
    Article
    Open Access
    Physics applets are well known appealing resources to teach and learn physics, and a large number of them are available on the Internet. Nevertheless, not all of them are of the same quality, because such applets do not ...
  • An evaluation tool for physics applets 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier (OmniaScience, 2016-03)
    Article
    Open Access
    Physics applets are well known appealing resources for teaching and learning physics, and there is a lot of them available on the Internet. Nevertheless, not all of them are of the same quality as such resources nor fit ...
  • Comparative study of three audio processors as environments for laboratory activities on wave physics and acoustics 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier; Periago Oliver, M. Cristina (2013-08)
    Article
    Restricted access - publisher's policy
    Audio processors allow to implement laboratory activities specially on acoustics. We have evaluated three audio processors (Audacity, WaveLab, and Adobe Audition). Although an overall grade was also calculated as a ...
  • Dielectric characterization of alcoholic beverages and solutions of ethanol in water under microwave radiation in the 1–20 GHz range 

    Bohigas Janoher, Xavier; Tejada, J. (2010-07)
    Article
    Restricted access - publisher's policy
  • Electromagnetisme : tests resolts i comentats 

    Bohigas Janoher, Xavier (Edicions UPC, 2001)
    Book
    Restricted access to the UPC academic community
    Atesa la nova estructura dels estudis universitaris, cada vegada és més freqüent que els exàmens escrits incloguin preguntes tancades de resposta múltiple. Són les preguntes de tipus test. Aquest llibre intenta cobrir un ...
  • Entorn virtual d’aprenentatge autònom 

    Periago Oliver, M. Cristina; Jaen Herbera, Javier; Bohigas Janoher, Xavier; Pejuan Alcobé, Arcadi (2010)
    Conference lecture
    Open Access
    En aquesta ponència presentem un Entorn Virtual d’Aprenentatge (EVA) dissenyat per fomentar l’aprenentatge autònom [1,2,3]. Es tracta d’una activitat dirigida en la qual se suggereixen les accions que l’estudiant ha de ...
  • Guía per a l'avaluació de les competències en els laboratoris de ciències i tecnologia (AQU) 

    Martínez Martínez, María del Rosario; Cadenato Matia, Ana María; Graells Sobré, Moisès; Pérez Cabrera, María José; Amante García, Beatriz; Jordana Barnils, José; Gorchs Altarriba, Roser; Salán Ballesteros, Maria Núria; Raventós Santamaria, Mercè; Algaba Joaquín, Inés María; Albareda Sambola, Maria; Bohigas Janoher, Xavier; González Azón, M. Carmen; Pérez Morales, Isabel; Sainz García, Daniel; Portet Cortés, Esperanza; Periago Oliver, M. Cristina; Gallego Fernández, María Isabel; García-Almiñana, Daniel; Jorge Sánchez, Juan; Pérez Poch, Antoni (AQU, 2009-04)
    Book
    Open Access
  • Independent Learning in a Virtual Environment 

    Periago Oliver, M. Cristina; Jaen Herbera, Javier; Bohigas Janoher, Xavier; Pejuan Alcobé, Arcadi (2010)
    Conference lecture
    Restricted access - publisher's policy
    In this paper we will describe a Virtual Learning Environment designed to promote selfdirected learning. We will analyse the results of the opinion survey and evaluation of the activity developed in the environment. This ...
  • Itineraris de navegació per aprendre electromagnetisme 

    Novell Enrech, Montserrat H.; Bohigas Janoher, Xavier; Jaen Herbera, Javier (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2005-02)
    Conference report
    Open Access
    El títol fa referència a un projecte subvencionat pel DURSI en la primera convocatòria de projectes per la Millora de la Qualitat Docent a la tardor de 2000. L'objectiu principal era elaborar mòduls en català, basats en ...
  • La cara oculta del gasto militar. El presupuesto militar de 2014 

    Ortega, Pere; Doe, John; Bohigas Janoher, Xavier (2013-11)
    External research report
    Open Access
    Análisis del presupuesto militar del Estado español, a partir de los Presupuestos Generales de l Estado 2014
  • La discusión entre compañeros mejora el aprendizaje de los estudiantes universitarios 

    Bohigas Janoher, Xavier (2009)
    Article
    Open Access
    Se presentan los resultados de una experiencia realizada en segundo curso de Ingeniería. En ella, el profesor propone preguntas conceptuales, que los estudiantes deben resolver, primero individualmente y luego en grupo. ...
  • Magnetic susceptibility of sodium rare-rarth fluorites Na[sub 0.5 -- x]R[sub 0.5 + x]F[sub 2 + 2x] (R [equals sign] Dy, Ho, Er, Tm, Yb) and some ordered phases 

    Bohigas Janoher, Xavier; Llumà Fuentes, Jordi; Tejada, J.; Krivandina, E.A.; Sobolev, B.P. (2001-05)
    Article
    Restricted access - publisher's policy
    —Magnetic properties of the nonstoichiometric phases with the fluorite-type “defect” structure Na 0.4 R 0.6 F 2.2 ( R = Ho, Er, Tm, Yb) and Na 0.35 Dy 0.65 F 2.3 have been studied as well as some ordered ...
  • Misconceptions about sound among engineering students 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier; Periago Oliver, M. Cristina (2012)
    Article
    Open Access
    Our first objective was to detect misconceptions about the microscopic nature of sound among senior university students enrolled in different engineering programmes (from chemistry to telecommunications). We sought to ...
  • Modelos mentales alternativos de los alumnos de segundo curso de Ingeniería sobre la ley de Coulomb y el campo eléctrico 

    Bohigas Janoher, Xavier; Periago Oliver, M. Cristina (2010-05)
    Article
    Open Access
    El presente estudio tiene como objetivo identificar los modelos mentales que aplican los estudiantes al iniciar el segundo curso de ingeniería cuando utilizan la Ley de Coulomb y el concepto de campo eléctrico para interpretar ...
  • Mòduls multimèdia com a suport per l'aprenentatge de l'acústica 

    Pejuan Alcobé, Arcadi; Novell Enrech, Montserrat H.; Bohigas Janoher, Xavier; Jaen Herbera, Javier (ICE, 2008-02-07)
    Conference report
    Open Access
    La finalitat del projecte era elaborar material en forma de mòduls multimèdia disponibles a través de la xarxa, que incloguessin continguts de física (fenòmens oscil·latoris i ondulatoris) relacionats amb l’acústica, com ...
  • Refredament magnètic: ordre i desordre d'imants atòmics 

    Bohigas Janoher, Xavier (2011)
    Article
    Open Access
    S’ha comprovat que la refrigeració magnètica que utilitza un sistema magnètic és energèticament eficient i competitiva amb la tecnologia refrigerant basada en la compressió de gasos en el rang de temperatures proper a ...
  • Semi-virtual classroom for physics contents 

    Jaen Herbera, Javier; Bohigas Janoher, Xavier; Novell, M. (2008)
    Conference lecture
    Restricted access - publisher's policy
    Some years ago, it was believed that the learning process would eventually become mostly virtual. ICT tools were therefore designed with this scenario in mind. Nevertheless, today’s learning process is still predominantly ...
  • The Problem of Inconsistency in Reasoning in Engineering Education – A Case Study about the Mental Model of Sound 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier; Periago Oliver, M. Cristina (2010)
    Conference report
    Open Access
    Every planning of an efficient teaching has the aim of achieving satisfactory learning outcomes. From a constructivistic point of view, it is a commonly accepted fact that such a planning has to take into account the ...