Дисертації з теми "Characterisation techniques"
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Gopinathan, Navin. "Development of catalyst characterisation techniques." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.571865.
Повний текст джерелаFermann, Martin. "Characterisation techniques for special optical fibres." Thesis, University of Southampton, 1988. https://eprints.soton.ac.uk/404728/.
Повний текст джерелаSanterne, A., J. P. Beaulieu, Ayala B. Rojas, I. Boisse, E. Schlawin, J. M. Almenara, V. Batista, et al. "Spectroscopic characterisation of microlensing events." EDP SCIENCES S A, 2016. http://hdl.handle.net/10150/622445.
Повний текст джерелаPickering, Edmund Ian Marcus. "Mechanical characterisation of nanowires through resonance techniques." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/123008/1/Edmund_Pickering_Thesis.pdf.
Повний текст джерелаTsiamis, Andreas. "Electrical test structures and measurement techniques for the characterisation of advanced photomasks." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4296.
Повний текст джерелаRamble, David Gary. "Characterisation of bubbles in liquids using acoustic techniques." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390369.
Повний текст джерелаCowey, Lisa. "Characterisation techniques and critical parameters for anisotropic superconductors." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314865.
Повний текст джерелаHobson, David Mark. "Characterisation of rice grains using digital imaging techniques." Thesis, University of Kent, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509657.
Повний текст джерелаBoonkhao, Bundit. "On-line characterisation techniques for manufacture of nanomaterials." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540791.
Повний текст джерелаSchuller, Timothy Adam. "Gallium nitride sensor devices fabrication techniques and characterisation." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549688.
Повний текст джерелаWatts, David Terence. "The characterisation of coals using image analysis techniques." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420359.
Повний текст джерелаGardner, Michelle A. "Structural characterisation of porous carbons using scattering techniques." Thesis, University of Kent, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282422.
Повний текст джерелаDarji, Rohit. "Characterisation of heterogeneous catalysts by electron-optical techniques." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627255.
Повний текст джерелаDavies, Stephen James. "Remote techniques for time-of-flight flaw characterisation." Thesis, University of Warwick, 1991. http://wrap.warwick.ac.uk/108293/.
Повний текст джерелаFisha, Phuti Cedric. "Characterisation of selected soil properties using remote sensing techniques." Thesis, University of Limpopo, 2019. http://hdl.handle.net/10386/2861.
Повний текст джерелаMany conventional laboratory methods are used to characterise spatial and temporal variation of soil properties in order to understand soil quality for different purposes. Currently there is a high demand for accurate soil information by land users. Therefore there is a need to develop a rapid, inexpensive, non-destructive and accurate technique that could compensate or replace conventional laboratory methodologies. Remote sensing has the potential to serve as an alternative approach to characterise soil properties due to its advantages over conventional laboratory methods such as it is rapid, non-destructive and it has low cost. The objectives of this study were to: (i) evaluate the ability of proximal soil sensing to characterise soil properties namely organic matter, soil moisture content, macronutrients, soil texture, cation exchange capacity (CEC), and pH. (ii) Identify bands of relevance from proximal soil sensing (300-2400 nm) that can provide acceptable reflectance variation for different levels of selected soil properties. (iii) Evaluate the performance of models developed from multispectral space-borne image in characterising selected soil properties. In this study spectroradiometer (proximal sensor) and worldview 2 satellite images (space-borne) were the two remote sensing techniques used to collect information about soil at Syferkuil experimental farm of the University of Limpopo. Visible and near infrared spectral data of 98 soil samples were collected at the study site using Analytical spectral device (ASD) field spectroradiometer. Spectral reflectance from spectroradiometer and those extracted from worldview 2 satellite image were used to develop prediction models of selected soil properties using Partial least square regression (PLSR). Bands of relevance were also identified from PLSR models developed from spectral data acquired by spectroradiometer. The results showed that estimation accuracy of PLSR models developed using spectral data from proximal soil sensing were excellent (Category A) for clay, sand, soil organic matter (SOM), and soil moisture content, while good prediction accuracy (Category B) was observed for other soil properties such as silt, ammonium, nitrate, active acidity (pHw), calcium, magnesium, phosphorus, potassium, sulphur, CEC, and reserve acidity (pHKCl). Then, relevant bands which contributed greatly in the prediction of these soil attributes were selected from the electromagnetic spectrum, the range was from 451 nm to 2400 nm. These bands fall within visible, shortwave infrared and near-infrared x regions of electromagnetic spectrum. In addition all selected soil properties were approximately quantitatively estimated using spectral data from satellite image. Based on the results obtained it can be concluded that proximal soil sensing has the ability to predict selected soil properties with various accuracies and it can be used as an alternative technique to characterise soil properties of South African soils. Soil predicting models developed from proximal soil sensing data also showed that there are bands of relevance within spectral range of 451 nm to 2400 nm. However more work is required for space-borne sensing before it can be used as one of the soil characterisation methods since its prediction accuracy was low as compared to that of hyperspectral proximal soil sensing. Keywords: Space-borne sensing; proximal soil sensing; soil characterisation.
McLoughlin, Sean Diego. "The characterisation of archaeological glasses using advanced analysis techniques." Thesis, Imperial College London, 2004. http://hdl.handle.net/10044/1/8272.
Повний текст джерелаRomans, James Alexander. "Multivariate Calibration Techniques for Spectroscopic Characterisation of Crude Oils." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506561.
Повний текст джерелаMcAlister, John J. "Characterisation of basaltic weathering products by modern analytical techniques." Thesis, Queen's University Belfast, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329424.
Повний текст джерелаDavies, Antony. "Characterisation and parameter extraction techniques for GaAs MESFET devices." Thesis, University of Kent, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241552.
Повний текст джерелаDaniels, Howard Robert. "Novel characterisation techniques for carbonaceous materials in the FEGTEM." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399632.
Повний текст джерелаThring, Claire B. "Enhanced EMAT techniques for the characterisation of hidden defects." Thesis, University of Warwick, 2019. http://wrap.warwick.ac.uk/114456/.
Повний текст джерелаDaley, T. E. "Advanced characterisation of catalytic materials using synchrotron radiation techniques." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1468758/.
Повний текст джерелаAngel-Smith, Sarah Jane. "Characterisation of diesel injector deposits using advanced analytical techniques." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/50745/.
Повний текст джерелаPandey, Lopa M. S. "Liner characterisation and leak detection using electrical resistivity techniques." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2018. https://ro.ecu.edu.au/theses/2159.
Повний текст джерелаJackson, Stephen Philip. "Cloning and characterisation of the RNA8 gene of Saccharomyces cerevisiae." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/15100.
Повний текст джерелаForsström, Dan. "Novel techniques for characterisation of the oxidative stability of polyamides." Doctoral thesis, KTH, Polymer Technology, 1999. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2823.
Повний текст джерелаForsström, Dan. "Novel techniques for characterisation of the oxidative stability of polyamides /." Stockholm : Tekniska högsk, 1999. http://www.lib.kth.se/abs99/fors0611.pdf.
Повний текст джерелаPonnampalam, Dino R. "The development of analytical techniques for the characterisation of nanotubes." Thesis, University of Nottingham, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493114.
Повний текст джерелаMenzies, Alan Robert. "Characterisation of gum arabic using physical, chemical and immunochemical techniques." Thesis, University of Salford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357114.
Повний текст джерелаMacey, Shaun Richard. "Optical fibre characterisation with particular reference to computer modelling techniques." Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305620.
Повний текст джерелаGrydaki, Nikoletta. "Microbial characterisation of bioaerosols from indoor environments using molecular techniques." Thesis, University of Essex, 2017. http://repository.essex.ac.uk/23077/.
Повний текст джерелаKlimczyk, Piotr. "Novel techniques for characterisation and control of magnetostriction in G.O.S.S." Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/44515/.
Повний текст джерелаRodrigues, Paula Alexandra Pinto. "Archaeological roman glasses: comparative characterisation by non-destructive analytical techniques." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6145.
Повний текст джерелаMeor, Zulkifli Meor Mohd Faisal. "Characterisation of oxy-fuel flames using laser based diagnostics techniques." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/45360.
Повний текст джерелаBanfield, Beulah. "Human serum albumin characterisation and binding studies by spectroscopic techniques." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/human-serum-albumin-characterisation-and-binding-studies-by-spectroscopic-techniques(1cae0d90-d540-46c9-8169-3b8ab2249acb).html.
Повний текст джерелаMcDermott, Emma. "Characterisation of the osteoclast ruffled border using advanced imaging techniques." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=236980.
Повний текст джерелаDu, Liangfen. "Characterisation of air-borne sound sources using surface coupling techniques." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI028/document.
Повний текст джерелаThe thesis investigates possibilities of air-borne sound characterisation of arbitrary sound sources. To this end a particular approach is studied where the source characterisation is done via an interface surface which fully or partially envelopes the physical source. Two frequency dependent descriptors are defined across such a surface: the blocked sound pressure and the source impedance. The former represents the sound pressure created by the operating source which acts on the enveloping surface when this is made immobile. The latter represents the ratio of pressure response amplitudes and normal velocity excitation amplitudes across the surface. The enveloping surface defines an air volume containing the physical source, called the source space. The two source descriptors defined on the source space, the blocked pressure and the source impedance, are shown to be intrinsic to the source, i.e. independent of the surrounding acoustical space. Once defined, these descriptors allow one to find the sound pressure and normal particle velocity at the interface surface when the source space is coupled to an arbitrary receiver space, i.e. a room. This in turn allows for sound prediction in the receiver space. The coupling conditions require that the receiver space is characterised using the same enveloping surface as the source space. Bearing the measurement simplicity in mind, the enveloping surface has been conceived as consisting of one or several rectangular plane surfaces. The research challenge was then to obtain meaningful surface impedance across a (continuous) rectangular plane surface as well as the blocked pressure compatible with impedance formulation. This has led to a spatial decomposition of sound pressure and particle velocity into finite number of components, each defined by a complex amplitude and a particular spatial distribution. In this way the blocked pressure reduces to a vector of complex pressure amplitudes while the impedance becomes a matrix of pressure and velocity complex amplitude ratios. Two decomposition methods have been investigated in detail: the surface harmonic method and the patch method. The former approximates the surface pressure and normal velocity by combinations of 2D trigonometric surface functions while the latter splits the surface into small patches and treats each patch in a discrete way, using patch-averaged values
Muñoz, Arancón Alberto. "New techniques for the characterisation of single reeds in playing conditions." Thesis, Le Mans, 2017. http://www.theses.fr/2017LEMA1031/document.
Повний текст джерелаThis work deals with the characterisation of single cane reeds used for clarinet or saxophone. Musicians perceive important differences of quality between reeds of the same brand, cut and strength. This thesis proposes new tools for reed characterisation in playing conditions.An instrumented mouthpiece is developed to enable the measurement of reed displacement and pressure difference on both sides of the reed using embedded sensors. From these signals, it is possible to estimate reed parameters of different physical models. Results reveal that the complexity of the physical model describing the reed behaviour must increase with the dynamic level.The instrumented mouthpiece is used in a measurement campaign involving 7 players and 20 reeds, quantifying the variability of the results due the musicians. Subjective tests conducted with these musicians show that reeds can be mainly described by one dimension (ease of playing or timbre). The correlations between the subjective descriptors and the measured objective parameters are studied to better understand the perceived differences between reeds, developing a predictive model of reed quality.In order to avoid the variability of the musician, an aspirating artificial mouth is developed. It uses the instrumented mouthpiece and it can be played by a musician or artificially. The comparison of the measurements made in both cases allows for the identification of the optimal working range in which the artificial mouth best reproduces the musician's playing according to intonation and playing level
Scaife, S. J. "The characterisation of porous carbons using computer modelling and experimental techniques." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310862.
Повний текст джерелаIreland, Terry G. "Precipitation techniques and characterisation of rare earth element doped phosphor materials." Thesis, University of Greenwich, 2008. http://gala.gre.ac.uk/6195/.
Повний текст джерелаWitting, Tobias. "New techniques for the characterisation of femto- and attosecond light pulses." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542994.
Повний текст джерелаMenachery, Anoop. "Devices and techniques for the dielectrophoretic characterisation and manipulation of cells." Thesis, Bangor University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502746.
Повний текст джерелаGualandi, Adriano <1987>. "Spatial and temporal characterisation of ground deformation recorded by geodetic techniques." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/7093/.
Повний текст джерелаHussein, Salah A.-R. Ahmed. "Characterisation of planar defects in solids using ultrasonic pulse echo techniques." Thesis, City University London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389705.
Повний текст джерелаCafferty, Stephen. "Characterisation of automotive shock absorbers using time and frequency domain techniques." Thesis, University of Manchester, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.538689.
Повний текст джерелаPeacock, Joanne. "The surface characterisation of pharmaceutical mini-tablets using thermal probe techniques." Thesis, University of East Anglia, 2014. https://ueaeprints.uea.ac.uk/51330/.
Повний текст джерелаLowis, Christopher R. "In-duct measurement techniques for the characterisation of broadband aeroengine noise." Thesis, University of Southampton, 2007. https://eprints.soton.ac.uk/52074/.
Повний текст джерелаHultén, Leo, and Philip Jansson. "Investigation and Evaluation of Metal Powder Characterization Techniques : Currently available at the KTH Department of Material Science and Engineering." Thesis, KTH, Materialvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231469.
Повний текст джерелаMaterialinstitutionen på Kungliga Tekniska högskolan har i många år helt saknat pulvermetallurgiforskning och eftersom detta fält ständigt blir mer relevant behöver denna forskning återetableras. Detta kräver att institutionen med tillräcklig noggrannhet och effektivitet kan bestämma egenskaper hos ett pulver, såsom storleksfördelning och sammansättning, och på kort sikt behöver detta ske med ickespecialiserad utrustning. I detta projekt har tillgänglighet och användbarhet hos både traditionella och innovativa analysmetoder utvärderats med hjälp av experimentell karaktärisering av pulver samt en litteraturstudie. Experimenten gav data om de tre undersökta pulvren och resulterade även i slutsatsen att storleksfördelning kunde bestämmas med automatiserad bildanalys, att samansättning kunde bestämmas med Energi Dispersiv Röntgen Spektroskopi och att provpreparering äravgörande för bra resultat. Av detta följer att institutionen rimligtvis kan bestämma de viktigaste egenskaperna hos ett pulver, men att rutiner för provtagning och provpreparering behöver etableras för att säkerställa effektiv analys och representativ data.
Chadha, Marcus J. "Novel techniques for the characterisation of exopolysaccharides secreted by lactic acid bacteria." Thesis, University of Huddersfield, 2009. http://eprints.hud.ac.uk/id/eprint/8749/.
Повний текст джерелаDunin-Borkowski, Rafal Edward. "Fresnel and high resolution techniques for the characterisation of ultrathin semiconductor layers." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338135.
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