Browsing by Subject "Calorimetria"
Now showing items 21-40 of 54
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Inverse barocaloric effects in ferroelectric BaTiO3 ceramics
(American Institute of Physics (AIP), 2016-09-19)
Article
Open AccessWe use calorimetry to identify pressure-driven isothermal entropy changes in ceramic samples of the prototypical ferroelectric BaTiO3. Near the structural phase transitions at ~400 K (cubic-tetragonal) and ~280 K ... -
Isothermal and non-isothermal cure of a tri-functional epoxy resin (TGAP): a stochastic TMDSC study
(2012-02-10)
Article
Restricted access - publisher's policyThe isothermal cure of a highly reactive tri-functional epoxy resin, tri-glycidyl para-amino phenol (TGAP), with diamino diphenyl sulphone (DDS), at two different cure temperatures Tc has been studied by both conventional ... -
Measurement at n_TOF of the 237 Np(n,gamma) and 240 Pu(n,gamma) Cross Sections for the Transmutation of Nuclear Waste
(2006)
Conference report
Open AccessThe final design, safety assessment and precise performance analysis of transmutation devices such as Accelerator Driven Systems (ADS) or Fast Critical Reactors, need accurate and reliable nuclear data. The cross sections ... -
Measurement of the 197-Au(n,gamma ) cross section at n_TOF, - a step forward towards a new standard for capture cross section measurements
(2008)
Conference report
Open AccessThe accurate knowledge of the 197Au(n,g ) reaction cross section is of great importance, since this reaction if often used as a reference in capture cross section measurements relevant to Nuclear Astrophysics, as well ... -
Measurement of the 197-Au(n,gamma) cross section at n TOF: towards a new standard
(EDP Sciences, 2007)
Conference report
Open AccessTwo different detectors and techniques are employed at n TOF facility, at CERN, to improve the accuracy of the neutron capture cross section of 197Au(n,γ): a total absorption calorimeter and a set of C6D6. The accurate knowledge ... -
Measurement of the neutron capture cross section of 234-U in n TOF at CERN
(2006)
Conference report
Open AccessAccurate and reliable neutron capture cross sections are needed in many research areas, including stellar nucleosynthesis, advanced nuclear fuel cycles, waste transmutation, and other applied programs. In particular, the ... -
Melting of orientational degrees of freedom
(2017-05)
Article
Open AccessWe use calorimetry and dilatometry under hydrostatic pressure, X-ray powder diffraction and available literature data in a series of composition-related orientationally disordered (plastic) crystals to characterize both ... -
Miscibility studies of two twist-bend nematic liquid crystal dimers with different average molecular curvatures. A comparison between experimental data and predictions of a Landau mean-field theory for the NTB-N phase transition
(2016-01-14)
Article
Open AccessWe report a calorimetric study of a series of mixtures of two twist-bend liquid crystal dimers, the 1'',7''-bis(4-cyanobiphenyl)-4'-yl heptane (CB7CB) and 1''-(2',4-difluorobiphenyl-4'-yloxy)-9''-(4-cyanobiphenyl-4'-yloxy) ... -
Modificación de la estrucutra fina del poliéster en la tintura a alta temperatura
(Instituto de Investigación Textil y Cooperación Industrial, 2002-01)
Article
Open AccessSe ha estudiado la modificación de la estructura fina que la tintura a alta temperatura (130 °C) produce en la fibra de poliéster. Se ha procedido a la tintura con colorantes de pequeño y de gran tamaño molecular, así como ... -
Modificazione del poliestere nella tintura ad alta temperatura
(2002)
Article
Restricted access - publisher's policy -
Muestras con melatonina. Muestras analizadas: A027-47 y A027-48
(2014-07-22)
Research report
Restricted access - publisher's policy -
New epoxy thermosets derived from clove oil prepared by epoxy-amine curing
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-01)
Article
Open AccessNew thermosets from a triglycidyl eugenol derivative (3EPOEU) as a renewable epoxy monomer were obtained by an epoxy-amine curing process. A commercially-available Jeffamine® and isophorone diamine, both obtained from ... -
On the dimorphism of prednisolone: The topological pressure-temperature phase diagram involving forms I and II
(Elsevier, 2022-08-25)
Article
Open AccessThe dimorphism of the corticosteroid anti-inflammatory drug prednisolone has been investigated by the construction of a topological pressure–temperature phase diagram, using crystallographic and calorimetric data. The ... -
On the microstructure effects when using electropulsing versus furnace treatments while drawing inox 308L
(Elsevier, 2019-05-07)
Article
Open AccessIn the present work, microstructure and texture evolution in a commercial 308L stainless steel wire is assessed by comparing several electropulsing configurations and thermal annealing treatments performed during and after ... -
Preparation of new biobased coatings from a triglycidyl eugenol derivative through thiol-epoxy click reaction
(2018-01-01)
Article
Open Access© 2017 Elsevier B.V. A new triglycidyl eugenol derivative (3EPO-EU) was synthesized and characterized by spectroscopic techniques, and used as starting monomer in the preparation of novel bio-based thiol-epoxy thermosets. ... -
Pressure-temperature phase diagram of the dimorphism of the anti-inflammatory drug nimesulide
(2017-06-15)
Article
Open AccessUnderstanding the phase behavior of active pharmaceutical ingredients is important for formulations of dosage forms and regulatory reasons. Nimesulide is an anti-inflammatory drug that is known to exhibit dimorphism; however ... -
Procesado de imagen digital en color: Adquisición, Análisis Colorimétrico y Realce.
(Universitat Politècnica de Catalunya, 2007-02-20)
Doctoral thesis
Open AccessEsta tesis cubre un conjunto de objetivos de investigación relacionados con la adquisición, la medida, la representación y el procesado de la información de color contenida en la imagen digital. La caracterización de los ... -
Remarkable Thermal Conductivity of Epoxy Composites Filled with Boron Nitride and Cured under Pressure
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-03)
Article
Open AccessThis work demonstrates that the application of even moderate pressures during cure can result in a remarkable enhancement of the thermal conductivity of composites of epoxy and boron nitride (BN). Two systems have been ... -
Simultaneous measurement of the neutron capture and fission yields of 233-U
(EDP Sciences, 2007)
Conference report
Open AccessWe have measured the neutron capture and fission cross section of 233U at the neutron time-of-flight facility n TOF at CERN in the energy range from 1 eV to 1 MeV with high accuracy by using a high performance 4π BaF2 ... -
Structural analysis of the curing of epoxy thermosets crosslinked with hyperbranched poly(ethyleneimine)s
(2015-09-01)
Article
Open AccessThe network build-up process during curing of an epoxy resin using a hyperbranched poly(ethyleneimine) as crosslinking agent has been studied from a theoretical and experimental point of view. A systematic analysis taking ...
