Now showing items 1-20 of 33

    • Ageing of resin from Pinus species assessed by infrared spectroscopy 

      Beltran Sanchidrian, Victòria; Salvadó Cabré, Nativitat; Buti Papiol, Salvador; Pradell Cara, Trinitat (2016-04-06)
      Article
      Open Access
      Resins obtained from Pinus genus species have been widely used in very different fields throughout history. As soon as the resins are secreted, molecular changes start altering their chemical, mechanical and optical ...
    • Application of infrared spectroscopy (FTIR and NIR) in vegetable tanning process control 

      Canals Parelló, Trini; Morera Prat, Josep Maria; Combalia Cendra, Felip; Bartolí Soler, Esther (2013-05)
      Article
      Restricted access - publisher's policy
      The tanning industry is currently influenced by the globalization of international markets. Competitiveness among industries has increased substantially. This therefore results in the need to further control the tanning ...
    • Boson peak in transitionally ordered and orientationally disordered phases 

      Bernet Garcia, Marc (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Covenantee:   Tsukuba Daigaku
      Los vidrios y cristales desordenados han sido objeto de debate debido a su comportamiento anormal en sus propiedades dieléctricas y termodinámicas. En el siguiente trabajo, se ha estudiado un conjunto de dos muestras que ...
    • Circular economy of post-consumer textile waste: classification through infrared spectroscopy 

      Riba Ruiz, Jordi-Roger; Cantero, Rosa; Canals, Trini; Puig Vidal, Rita (2020-11-01)
      Article
      Restricted access - publisher's policy
      The textile and fashion industry is amongst the most resource-intensive and polluting industries, thus impacting the natural environment. During the last decades, there has been an increase in the manufacturing of textiles. ...
    • Comparative Study of Multivariate Methods to Identify Paper Finishes Using Infrared Spectroscopy 

      Riba Ruiz, Jordi-Roger; Canals Parelló, Trini; Cantero Gómez, María Rosa (2012-03-09)
      Article
      Open Access
      Recycled paper is extensively used worldwide. In the last decades its market has expanded considerably. The increasing use of recycled paper in papermaking has led to the production of paper containing several types of ...
    • Construction and calibration of a diffuse optical hybrid device for brain monitoring 

      García Sanz, María (Universitat Politècnica de Catalunya, 2016-06-20)
      Bachelor thesis
      Open Access
      The aim of this project is the development of a new portable, compact and user-friendly device suitable for the intensive care areas in the hospitals. The increasing presence of technical machinery in medical environments ...
    • Contact-Free Measurement of Cardiac and Respiratory Activities by Using Thermal Imaging 

      Vilà Calopa, Chantal (Universitat Politècnica de Catalunya, 2014-04-15)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Rheinisch-Westfälische Technische Hochschule Aachen
      [ANGLÈS] Motivation: Real time measurements of respiratory and heart rates are crucial in neonatal intensive care units. The actual technology is based on contact methods that require close-proximity sensing and subject’s ...
    • Detección del índice de curtición de pieles curtidas al vegetal mediante la espectroscopía infrarroja (FTIR) 

      Canals Parelló, Trini; Morera Prat, Josep Maria; Combalia Cendra, Felip; Bartolí Soler, Esther (2010)
      Article
      Restricted access - publisher's policy
      Se ha desarrollado un método analítico para determinar el índice de curtición (IC), así como de los parámetros asociados a su cálculo, mediante la técnica instrumental de la espectroscopía de infrarrojo medio con Transformada ...
    • Determinación del índice de curtición de pieles curtidas al vegetal mediante la espectroscopía infrarroja (FTIR) 

      Canals Parelló, Trini; Morera Prat, Josep Maria; Combalia Cendra, Felip; Bartolí Soler, Esther (2010-05-07)
      Conference report
      Open Access
      Se ha desarrollado un método analítico para determinar el índice de curtición (IC), así como de los parámetros asociados a su cálculo, mediante la técnica instrumental de la espectroscopía de infrrojo medio con Transformada ...
    • EMIR, the GTC NIR multi-object imager-spectrograph 

      Garzón López, Francisco; Abreu Rodríguez, David; Barrera Ordóñez, Sonia; Becerril, Santiago; Cairós, Luz Mª; Díaz García, José Javier; Fragoso López, Ana B.; Gago Rodríguez, Fernando; Grange, Robert; González Fernández, Carlos; López Ramos, Pablo; Patrón Recio, Jesús; Pérez Espinós, Jaime; Rasilla Piñeiro, José Luis; Redondo Caicoya, Pablo; Restrepo, René; Saavedra Inarajo, Pablo; Sánchez de la Rosa, Vicente; Tenegui, Fabio; Vallbé Mumbrú, Marc (2007-06)
      Article
      Open Access
      EMIR, currently entering into its fabrication and AIV phase, will be one of the first common user instruments for the GTC, the 10 meter telescope under construction by GRANTECAN at the Roque de los Muchachos Observatory ...
    • EMIR, the GTC NIR multiobject imager-spectrograph 

      Garzón López, Francisco; Abreu Rodríguez, David; Barrera Ordóñez, Sonia; Becerril, Santiago; Cairós, Luz Mª; Díaz García, José Javier; Fragoso López, Ana B.; Gago Rodríguez, Fernando; Grange, Robert; González Fernández, Carlos; López Ramos, Pablo; Patrón Recio, Jesús; Pérez Espinós, Jaime; Rasilla Piñeiro, José Luis; Redondo Caicoya, Pablo; Restrepo, René; Saavedra Inarajo, Pablo; Sánchez de la Rosa, Vicente; Tenegui, Fabio; Vallbé Mumbrú, Marc (Springer, 2007)
      Conference report
      Restricted access - publisher's policy
      Espectrógrafo Multi-objecto InfraRojo (EMIR), currently entering into its fabrication and AIV phase, will be one of the first common user instruments for the GTC, the 10 m telescope under construction by GRANTECAN at the ...
    • EMIR: the GTC NIR multi-object imager-spectrograph 

      Garzón López, Francisco; Abreu Rodríguez, David; Barrera Ordóñez, Sonia; Becerril, Santiago; Cairós, Luz Mª; Díaz García, José Javier; Fragoso López, Ana B.; Gago Rodríguez, Fernando; Grange, Robert; González Fernández, Carlos; López Ramos, Pablo; Patrón Recio, Jesús; Pérez Espinós, Jaime; Rasilla Piñeiro, José Luis; Redondo Caicoya, Pablo; Restrepo, René; Saavedra Inarajo, Pablo; Sánchez de la Rosa, Vicente; Tenegui, Fabio; Vallbé Mumbrú, Marc (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2006)
      Conference report
      Open Access
      EMIR, currently entering into its fabrication and AIV phase, will be one of the first common user instruments for the GTC, the 10 meter telescope under construction by GRANTECAN at the Roque de los Muchachos Observatory ...
    • Espectroscopia de infrarrojo 

      Armelín Diggroc, Elaine Aparecida; Cadenato Matia, Ana María; Farran Marsà, Adriana; García Alvárez, Montserrat; Martínez Martínez, María del Rosario (2012-03)
      Audiovisual
      Open Access
    • Espectroscopia infraroja per la qualitat de les fruites 

      Morató Cañabate, Maria (Universitat Politècnica de Catalunya, 2021-02-08)
      Bachelor thesis
      Open Access
      Nowadays the food industry produces millions of tons of fruit, but a big part of it is wasted, either because it does not conform the consumer quality standards or because its state of maturity is not favorable. The fruit ...
    • Espectroscopía d'infraroig 

      Armelín Diggroc, Elaine Aparecida; Cadenato Matia, Ana María; Farran Marsà, Adriana; García Alvárez, Montserrat; Martínez Martínez, María del Rosario (2012-03)
      Audiovisual
      Open Access
    • Evolución temporal de la vegetación en el Sahel mediante el NDVI y su relación con la precipitación en el periodo 1983-2012 

      Puig i Polo, Càrol (Universitat Politècnica de Catalunya, 2015-04-28)
      Doctoral thesis
      Open Access
      The development and population prosperity in the transition zone between the Sahara desert in the north and the tropical humid savannah in the south, known as Sahel, depends to a great extent on the rainfall regime. The ...
    • Fabricación de dispositivos fotónicos integrados 

      Granados Martín, Javier (Universitat Politècnica de Catalunya, 2017-10)
      Bachelor thesis
      Open Access
      The project consists of the design and manufacture of photonic crystals based on macroporous silicon. By means of a lithography we can engrave a pattern on the substrate of the silicon wafers in which we will mark the place ...
    • High-coherence light source for atom trapping and cooling 

      Palacios Álvarez, Silvana (Universitat Politècnica de Catalunya, 2012-09-06)
      Master thesis
      Open Access
      [ANGLÈS] A master clock (frequency reference) for experiments related to cold and trapped rubidium atoms was developed. From a telecommunication fibre laser source at 1560 nm, frequency-doubling was optimized to obtain an ...
    • High-power, continuous-wave optical parametric oscillators from visible to near-infrared 

      Samanta, Goutam Kumar (Universitat Politècnica de Catalunya, 2009-07-01)
      Doctoral thesis
      Open Access
      This thesis presents the development of a new class of high-power, continuous-wave (cw) optical parametric oscillators (OPOs) with extended tunability from visible to near-infrared (near-IR). While lasers have been in use ...
    • Identificación de muestras de papel mediante espectrometria IR y métodos multivariables 

      Riba Ruiz, Jordi-Roger (2012-04-01)
      Article
      Open Access
      Actualmente en todo el mundo se consume una gran cantidad de papel reciclado. Ello ha provocado la fabricación de papel que contiene muchos tipos de impurezas, por lo que las empresas papeleras se están viendo con la ...