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Ara es mostren els items 60205-60224 de 244457
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Determination of environmental parameters based on Arduino based low-cost sensors
(2020)
Text en actes de congrés
Accés restringit per política de l'editorialTaking into account that the age of structures is closely connected to their energy consumption, the monitoring of structures is a crucial task for engineers. This article deals with application of Arduino based low-cost ... -
Determination of equilibrium distribution constants of phenol between surfactant micelles and water using ultrafiltering centrifuge tubes
(Elsevier Science Publishers, New York, 1999-05)
Article
Accés restringit per política de l'editorial -
Determination of fabric propensity to surface fuzzing and pilling of the knitting fabrics. Comparison of the results between the two sets of fabrics. Opinion about if the pilling results are normal or abnormal
(2009-05-08)
Altres
Accés restringit per acord de confidencialitat -
Determination of fluid leakages in the different screw-retained implant-abutment connections in a mechanical artificial mouth
(2015-07-01)
Article
Accés obertThis study shows the potential risk of microfiltration between two different types of implant-abutment connections screwed at 45 Ncm: external and internal. For the first time the use of a mechanical artificial mouth is ... -
Determination of flutter derivatives of bridge sections based on wind tunnel experiments under forced excitation
(Universitat Politècnica de Catalunya, 2012-01-26)
Tesina
Accés obert[ANGLÈS] In the last centuries new technologies and structural knowledge have made possible the construction of filigree structures, which economize the required material quantities by taking material capacity to its limits. ... -
Determination of Formaldehyde Content in Leather: EN ISO 17266 Standard. Influence of the Agitation Method Used in the Initial Phase of Formaldehyde Extraction
(2017-05-08)
Article
Accés restringit per política de l'editorialGiven the carcinogenic character of formaldehyde, it should be reliably determined in any substrate . The EN ISO 17226 Standard is the Official Method to quantify formaldehyde in leather. However, sorne misunderstandings ... -
Determination of formaldehyde content in leather: Standard EN ISO 17226, revision and possible improvements
(2016-07)
Article
Accés restringit per política de l'editorialThe retanning process is the main application of formaldehyde in the tanning industry since formaldehyde participates in two groups of synthetic organic tanning agents: syntans and resins. Resins can be hydrolysed with the ... -
Determination of functional groups of humic derivatives as tanning-retanning agents
(2011-11-28)
Article
Accés restringit per política de l'editorialThree types of humic acids of different sources have been analysed in order to quantify the functional groups that may be liable to react with the proteins of leather. The quantification serves to determine the extent to ... -
Determination of fungicides in residual tanning floats using solid phase micro extraction
(2013-02-04)
Article
Accés obertSolid-phase microextraction (SPME) was optimized for extraction of the leather preservative agents 2-(thiocyanomethylthio)-benzothiazole (TCMTB), 4-chloro-3-methylphenol (PCMC), 2-phenylphenol (OPP), 2-Octyl-3(2H)-isothiazolone ... -
Determination of groundwater flow based on temperature data
(Universitat Politècnica de Catalunya, 2016-06-23)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Consejo Superior de Investigaciones CientíficasDifferent techniques have been used to measure the groundwater flow velocity but they are either too invasive or too inaccurate. In the present study two analytical solutions have been developed and tested to determine ... -
Determination of hardness, Young's modulus and fracture toughness of lanthanum tungstates as novel proton conductors
(2011-07-11)
Article
Accés restringit per política de l'editorialLanthanum tungstate is a promising material to be used as electrolyte in proton conducting fuel cells, or as a mixed proton–electron conducting membrane for hydrogen separation, and its mechanical properties are crucial ... -
Determination of heavy metal in hemp flowers coming from different fertilization programs
(Universitat Politècnica de Catalunya, 2017-07-13)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Determination of hexavalent chromium in leather by ion-exchange chromatography
(2014-09-01)
Article
Accés restringit per política de l'editorialThe determination of traces of hexavalent chromium in leather and in leather consumer goods is carried out by ion-exchange chromatography. Samples are extracted at pH7.5-8 with a phosphate buffer, according to the method ... -
Determination of hygrothermal parameters of experimental and commercial bio-based insulation materials
(2016-10-15)
Article
Accés obertThe development and application of bio-based insulation materials can contribute to the minimization of the environmental impacts of buildings through reduction of embodied and in-use energy demand, in addition to many ... -
Determination of independent contact regions on discretized 3D objects
(Institute of Electrical and Electronics Engineers, 2007-07)
Text en actes de congrés
Accés obertThis paper deals with the problem of determining independent contact regions on a 3D object boundary such that a seven finger frictionless grasp with a contact point in each region assures a force-closure grasp on the ... -
Determination of key master variables and radionuclide behavior in the Swedish Final Repository environment
(Universitat Politècnica de Catalunya, 2018-12-18)
Tesi
Accés obertAquesta tesi doctoral investiga els processos clau que controlen la mobilitat d'alguns dels radionúclids sensibles al redox presents en els residus (U, Pu i Tc) i Ni com a radionúclid crític, en el repositori “Swedish Final ... -
Determination of limit deposition velocity and viscosity in waste brines transported in pipelines
(American Society of Civil Engineers, 2021-08)
Article
Accés obertThe wastewater generated in the potash mines of the Bages region in Catalonia (Spain) was experimentally tested at the Paterson & Cooke slurry test facility in Cape Town, South Africa, to determine the flow behavior and ... -
Determination of major drivers influencing the behavior of private waste producers in Barcelona / Spaing and Leoben using multi criteria decision analysis
(Universitat Politècnica de Catalunya, 2022-07-20)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Montanuniversität LeobenTo achieve a system that is closer to a circular economy, the collection of waste has to be improved, as to recycling something, it first needs to be collected. While the waste recycling infrastructure already is very ... -
Determination of mean intrinsic flexural strength and coupling factor of natural fiber reinforcement in polylactic acid biocomposites
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-10-23)
Article
Accés obertThis paper is focused on the flexural properties of bleached kraft softwood fibers, bio-based, biodegradable, and a globally available reinforcement commonly used in papermaking, of reinforced polylactic acid (PLA) composites. ... -
Determination of Monitor Thresholds for a GBAS ground station
(Universitat Politècnica de Catalunya, 2015-07-29)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe Ground Based Augmentation System (GBAS) is designed to provide sufficient availability of accuracy, continuity, and integrity to satisfy the demanding requirements of aircraft precision approach, landing, and surface ...