Дисертації з теми "Enhanced measurement"
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Akmal, Muhammad. "An enhanced modulated waveform measurement system." Thesis, Cardiff University, 2011. http://orca.cf.ac.uk/16154/.
Повний текст джерелаGray, Victoria Louise. "Enhanced methods of microbial measurement and detection." Thesis, Cardiff University, 2006. http://orca.cf.ac.uk/56173/.
Повний текст джерелаLloyd, Natasha. "Clutter measurement and reduction for enhanced information visualization." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-011206-232808/.
Повний текст джерелаLloyd, Natasha. "Clutter Measurement and Reduction for Enhanced Information Visualization." Digital WPI, 2006. https://digitalcommons.wpi.edu/etd-theses/67.
Повний текст джерелаHuang, James, and James Huang. "Knowledge Enhanced Compressive Measurement Design: Detection and Estimation Tasks." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621121.
Повний текст джерелаMoncaleano, Sebastian. "Examining the Comparative Measurement Value of Technology-Enhanced Items:." Thesis, Boston College, 2021. http://hdl.handle.net/2345/bc-ir:109086.
Повний текст джерелаThe growth of computer-based testing over the last two decades has motivated the creation of innovative item formats. It is often argued that technology-enhanced items (TEIs) provide better measurement of test-takers’ knowledge, skills, and abilities by increasing the authenticity of tasks presented to test-takers (Sireci & Zenisky, 2006). Despite the popularity of TEIs in operational assessments, there remains little psychometric research on these innovative item formats. Claims regarding their potential to provide better measurement are seldomly explored. This dissertation adds to this limited body of research by developing theory and proposing a methodology to compare TEIs to traditional item formats. This study investigated how to judge the comparative measurement value (CMV) of two drag-and-drop technology-enhanced formats (classification and rank-ordering) relative to stem-equivalent multiple-choice items. Items were administered to a sample of adults and results were calibrated using a 2-parameter logistic IRT model. Moreover, the utility of the TEIs was evaluated according to the TEI Utility Framework (Russell, 2016). Four indicators were identified as the most valuable characteristics to judge CMV and then combined into a hierarchical decision protocol. When applied, this protocol provides a CMV judgment and a recommendation of the preferred item format. Applying the protocol to the items revealed that most TEIs examined in this study showed decreased CMV, indicating that in a real-life scenario the multiple-choice format would be favored for most of these item pairs. Recommendations for the use of the CMV protocol and directions of future related research are discussed
Thesis (PhD) — Boston College, 2021
Submitted to: Boston College. Lynch School of Education
Discipline: Educational Research, Measurement and Evaluation
Westerlund, Joel. "Enhanced Distance Learning: A Measurement Tool for Electronics Courses." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-424292.
Повний текст джерелаRadjenovic, Aleksandra. "Measurement of physiological variables by dynamic Gd-DTPA enhanced MRI." Thesis, University of Leeds, 2003. http://etheses.whiterose.ac.uk/356/.
Повний текст джерелаThomas-Peter, Nicholas. "Quantum enhanced precision measurement and information processing with integrated photonics." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:7bd47582-d32f-4d07-9e90-4978c32cf14e.
Повний текст джерелаAshton, Phillip Michael. "Exploiting phasor measurement units for enhanced transmission network operation and control." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/9063.
Повний текст джерелаButler, Timothy Joseph Alexander. "Cavity enhanced spectroscopy methods for measurement of optical properties of aerosol particles." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492653.
Повний текст джерелаHadden, J. P. "Photonic structures and techniques for enhanced measurement of spin qubits in diamond." Thesis, University of Bristol, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.664971.
Повний текст джерелаScherger, Jacob D. "Expanding Tip Enhanced Raman Spectroscopy: Blinking Measurements and Alternative Probe Materials." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1510657402180872.
Повний текст джерелаHikmet, Noraddin Feria. "Measurement and validation of urinary cystatin C by particle-enhanced turbidimetric immunoassay on Architect ci8200." Thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-154713.
Повний текст джерелаTsai, De-Hao. "Understanding electric field-enhanced transport for the measurement of nanoparticles and their assembly on surfaces." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7716.
Повний текст джерелаThesis research directed by: Dept. of Materials Science and Engineering . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Higginbotham, Steven. "Enhanced Electrical Impedance Sensing of Biological Cells Using Travelling Wave Dielectrophoresis Manipulation." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/367544.
Повний текст джерелаThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Griffith School of Engineering
Full Text
Colatat, Mahyulee Chang. "Estimating performance mean and variability with distributional rating scales a field study towards enhanced performance measurement /." Bowling Green, Ohio : Bowling Green State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1206385486.
Повний текст джерелаLeitis, Karsten. "Analogue hardware based algorithm for low-power and low-voltage position measurement systems with enhanced resolution." Thesis, City University London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412676.
Повний текст джерелаMosalaei, Homeira. "Measurement of renal blood flow in normal and obstructed kidney using dynamic contrast enhanced x-ray computed tomography." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ30812.pdf.
Повний текст джерелаHenderson, Elizabeth. "Measurement of blood flow, blood volume and capillary permeability in breast tumours using contrast-enhanced magnetic resonance imaging." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0020/NQ58134.pdf.
Повний текст джерелаGolshani, Mohammad. "Novel performance evaluation of information and communication technologies to enable wide area monitoring systems for enhanced transmission network operation." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/11918.
Повний текст джерелаHeye, Anna Kathrin. "Measurement of subtle blood-brain barrier disruption in cerebral small vessel disease using dynamic contrast-enhanced magnetic resonance imaging." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/22929.
Повний текст джерелаMarklund, Sandra. "Feasibility Study of Phase Measurements of the Arterial Input Function in Dynamic Contrast Enhanced MRI." Thesis, Umeå University, Radiation Physics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-23226.
Повний текст джерела
Acquired data from dynamic contrast enhanced MRI measurements can be used to non-invasively assess tumour vascular characteristics through pharmacokinetic modelling. The modelling requires an arterial input function which is the concentration of contrast agent in the blood reaching the volume of interest as a function of time. The aim of this work is testing and optimizing a turboFLASH sequence to appraise its suitability for measuring the arterial input function by measuring phase.
Contrast concentration measurements in a phantom were done with both phase and relaxivity techniques. The results were compared to simulations of the experiment conditions to compare the conformance. The results using the phase technique were promising, and the method was carried on to in-vivo testing. The in-vivo data displayed a large signal loss which motivated a new phantom experiment to examine the cause of this signal reduction. Dynamic measurements were made in a phantom with pulsatile flow to mimic a blood vessel with a somewhat modified turboFLASH sequence. The conclusions drawn from analyzing the data were used to further improve the sequence and this modified turboFLASH sequence was tested in an in-vivo experiment. The obtained concentration curve showed significant improvement and was deemed to be a good representation of the true blood concentration.
The conclusion is that phase measurements can be recommended over relaxivity based measurements. This recommendation holds for using a slice selective saturation recovery turboFLASH sequence and measuring the arterial input function in the neck. Other areas of application need more thorough testing.
Hayford, Paula J. "Measurement of immediate gain in knowledge and long term change of behavior after attending an enhanced case management workshop." Online version, 2002. http://www.uwstout.edu/lib/thesis/2002/2002hayfordp.pdf.
Повний текст джерелаAnahory, Iolanda Vieira. "Improvement of a liquid phase blocking ELISA for enhanced detection and measurement of antibodies against the SAT3 serotype of FMDV." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/57304.
Повний текст джерелаDissertation (MSc)--University of Pretoria, 2016.
tm2016
Veterinary Tropical Diseases
MSc
Unrestricted
Chakravarthy, Pramod. "Silicon carbide coatings by plasma-enhanced chemical vapor deposition on silicon and polyimide substrates." Ohio : Ohio University, 1995. http://www.ohiolink.edu/etd/view.cgi?ohiou1179519920.
Повний текст джерелаAyoub, Elie. "Caractérisation des effluents d’expérimentations EOR (Enhanced Oil Recovery) grâce à des techniques de microfluidique analytique." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS017.
Повний текст джерелаChemical Enhanced Oil Recovery (cEOR) is one of the methods used to meet the growing demand for oil. Among these methods we can find the surfactant flooding. Surfactant flooding consists in injecting an aqueous formulation, containing surfactants, in order to obtain ultra-low interfacial tensions (typically <10-2 mN / m) between water and oil and thus mobilize the oil trapped by capillary forces in the reservoir. Generally, a salinity-scan is performed, in the laboratory, to determine the optimal salinity (S*) of the formulation which corresponds to a minimum of interfacial tension. The optimal formulation is then evaluated through a "coreflood test" which is carried out on a rock sample under conditions (Pressure and Temperature) very close to those of the reservoir. The performance of a coreflood experiment is evaluated by determining the amount of oil recovered and the amount of surfactants retained in the reservoir (by adsorption). These two parameters are of prime importance to confirm the economic viability of the cEOR process. Currently, coreflood effluents are collected in tubes throughout the experiment and the analyses are performed offline. The quantity of oil recovered is measured by volumetry (water/oil ratio in the tubes) or RMN. Surfactants are dosed in the aqueous phase by hyamine assay or by HPLC. It is noteworthy that these analyses may be difficult to carry out experimentally since the effluents may contain emulsions that are difficult to separate. Moreover, it is unclear whether all surfactants are well in the aqueous phase, or whether they are partly trapped in the oil phase. To overcome these difficulties and quantify the two important parameters of coreflood experiments, we have developed an integrated online measurement technique based on microfluidic tools. The experimental setup includes: a dilution chip to transfer the surfactants in the aqueous phase, an observation chamber to quantify the water / oil ratio of the effluent by image analysis, a membrane-based separation device, and an on-line UV-visible spectrometer for surfactants quantification. This experimental setup was successfully validated with model fluid mixtures (decane, NaCl brines and sodium dodecyl benzene sulfonate SDBS), and was evaluated on real systems (crude oil and industrial surfactant formulations). Finally, it was tested under representative conditions of coreflood experiments, being directly connected to the output of a coreflood test. The results obtained during this thesis work proved the effectiveness of the experimental setup to facilitate the quantification of the surfactants in the effluents of the coreflood experiments, and the volume of oil recovered. They showed a clear improvement compared to the quantification protocols currently applied
Bürk, Vincent [Verfasser], Eckhard [Gutachter] Weidner, and Marcus [Gutachter] Petermann. "Development of a measurement technique for the comparative study of non-Newtonian flow in porous media and its validation by measurements on different fluid systems related to Enhanced Oil Recovery / Vincent Bürk ; Gutachter: Eckhard Weidner, Marcus Petermann ; Fakultät für Maschinenbau." Bochum : Ruhr-Universität Bochum, 2021. http://d-nb.info/1226428711/34.
Повний текст джерелаWinjum, Olve. "Enhanced Measurements of Large Deformations of Thermoplastics." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for konstruksjonsteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24511.
Повний текст джерелаChen, Zhouye. "Reconstruction of enhanced ultrasound images from compressed measurements." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30222/document.
Повний текст джерелаThe interest of compressive sampling in ultrasound imaging has been recently extensively evaluated by several research teams. Following the different application setups, it has been shown that the RF data may be reconstructed from a small number of measurements and/or using a reduced number of ultrasound pulse emissions. According to the model of compressive sampling, the resolution of reconstructed ultrasound images from compressed measurements mainly depends on three aspects: the acquisition setup, i.e. the incoherence of the sampling matrix, the image regularization, i.e. the sparsity prior, and the optimization technique. We mainly focused on the last two aspects in this thesis. Nevertheless, RF image spatial resolution, contrast and signal to noise ratio are affected by the limited bandwidth of the imaging transducer and the physical phenomenon related to Ultrasound wave propagation. To overcome these limitations, several deconvolution-based image processing techniques have been proposed to enhance the ultrasound images. In this thesis, we first propose a novel framework for Ultrasound imaging, named compressive deconvolution, to combine the compressive sampling and deconvolution. Exploiting an unified formulation of the direct acquisition model, combining random projections and 2D convolution with a spatially invariant point spread function, the benefit of this framework is the joint data volume reduction and image quality improvement. An optimization method based on the Alternating Direction Method of Multipliers is then proposed to invert the linear model, including two regularization terms expressing the sparsity of the RF images in a given basis and the generalized Gaussian statistical assumption on tissue reflectivity functions. It is improved afterwards by the method based on the Simultaneous Direction Method of Multipliers. Both algorithms are evaluated on simulated and in vivo data. With regularization techniques, a novel approach based on Alternating Minimization is finally developed to jointly estimate the tissue reflectivity function and the point spread function. A preliminary investigation is made on simulated data
Esch, Hendrik [Verfasser], Reiner [Akademischer Betreuer] Klingenberg, and Wolfgang [Gutachter] Wagner. "Measurement of the top quark mass in topologies enhanced with single top quarks produced in the t-channel using flavour tagging and a neural network with ATLAS data at √s = 8TeV / Hendrik Esch. Betreuer: Reiner Klingenberg. Gutachter: Wolfgang Wagner." Dortmund : Universitätsbibliothek Dortmund, 2015. http://d-nb.info/1101476516/34.
Повний текст джерелаSabines, Chesterking Javier. "Overcoming practical limitations to realise photonic quantum-enhanced measurements." Thesis, University of Bristol, 2018. http://hdl.handle.net/1983/45e87843-75a2-43b6-ba3f-0f38ade5e623.
Повний текст джерелаZebrowski, David Stephen. "Condensation heat-transfer measurements of refrigerants on externally enhanced tubes." Thesis, Monterey, California. Naval Postgraduate School, 1987. http://hdl.handle.net/10945/22222.
Повний текст джерелаPasha, Hasan G. "Estimation of Static Stiffnesses from Free Boundary Dynamic (FRF) Measurements." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1416569956.
Повний текст джерелаSilander, Isak. "Cavity enhanced optical sensing." Doctoral thesis, Umeå universitet, Institutionen för fysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110278.
Повний текст джерелаCapobianco, Ryan Michael. "Ionization in H2O -- bearing carbon dioxide determined by conductivity measurements." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23283.
Повний текст джерелаMaster of Science
Sutton, C. P. "Application of surface enhanced raman spectroscopy to measurements of diffusion through silastic membranes." Thesis, University of Kent, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342271.
Повний текст джерелаAdams, Thomas John. "Atmospheric measurements of biogenic and anthropogenic emissions by broadband cavity enhanced absorption spectroscopy." Thesis, University of Leicester, 2016. http://hdl.handle.net/2381/37611.
Повний текст джерелаKong, Jonathan Hein Khuen. "Improving Radiological Measurements to Enhance the Conservative Management of Vestibular Schwannomas." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/15702.
Повний текст джерелаErdogan, Levent. "Suspension Parameter Measurement Using Side-Pull Test to Enhance Modeling of Vehicle Roll." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1392212782.
Повний текст джерелаFunk, Samuel Mahlon. "Efficiency and productivity measurements to analyze farm-level impacts from adoption of biotechnology enhanced soybeans." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/20563.
Повний текст джерелаDepartment of Agricultural Economics
Allen M. Featherstone
This study focuses on the productivity and on-farm efficiency impacts of adopting biotechnology enhanced soybeans (BES). Previous research suggests the adoption of BES and subsequent time savings resulted in labor allocation to off-farm employment and reduced on-farm efficiency. Using continuous panel data for 129 farms enrolled in the Kansas Farm Management Association (KFMA) with production and financial crop records from 1993 through 2011 that also provided information on their BES adoption experience, this study provides estimates on the technical efficiency, cost efficiency, and Malmquist productivity indexes (MI) with decompositions into efficiency change (EC) and technical change (TC) to provide insights on the impacts of adopting BES for set of sample farms. Using data envelopment analysis to construct nonparametric efficiency frontiers and measurements assuming constant returns-to-scale (CRS) and variable returns-to-scale (VRS) technologies for the farms, this study provides insights on the impact of yield impacts of BES adoption. A biennial Malmquist productivity index (BMI) is developed to consider estimation of the productivity impacts between BES adopters and non-adopters assuming VRS. This analysis used five input categories: Labor, general, direct inputs, maintenance, and energy; and five outputs: corn, soybeans, sorghum, wheat, and other crops. Tobit regression analysis of the panel of Kansas farms provided evidence of a positive impact from adoption of biotechnology enhanced soybeans on on-farm technical efficiency. Kolmogorov-Smirnov goodness-of-fit distributional hypothesis tests showed significant differences between analyzing the farms under CRS and VRS assumptions. T-tests showed a bias existed when assuming CRS if the true underlying technology was VRS in productivity analysis. However, there was not a strong statistically significant difference between the distributions of productivity measures from the underlying populations of BES adopters and non-adopters in the sample of Kansas farms. A revenue-indirect cost efficiency analysis of the sample farms demonstrated that different conclusions were reached under CRS and VRS when considering the differences in the average of the means of estimated efficiency scores and Tobit regression results considering BES adoption. Assuming CRS resulted in positive marginal effects for adopting BES of 0.017 significant at the 5% level. The marginal effect of BES adoption was not statistically significant under VRS.
Tang, Huiling. "Rheological Measurements and Core Flood Data Analysis in Support of Chemical Enhanced Oil Recovery Formulation Design." Thesis, Purdue University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10618534.
Повний текст джерелаThis research involved rheological measurements and the analysis of core flood test data in support of the design of a formulation for Chemical Enhanced Oil Recovery (cEOR) at the Pioneer Rock Hill reservoir, a site characterized by relatively low formation brine salinity and temperature. Extensive and systematic rheological measurements identified viscosity values and rheological behaviors of different polymers, surfactants and polymer-surfactant solutions over a range of concentrations, salinities, and temperatures relevant to the targeted field conditions. The results were used to support formulation design in combination with phase behavior studies and interfacial tension measurements, provide information relevant to in-tank mixing/pumping operations, and maximize sweep efficiency and mobility control in the core flood tests. Further rheological measurements were conducted on the primary surfactant, Petrostep® S13D, over a broad range of concentrations in both deionized water and two synthetic brines, up to neat solution. The results of these tests indicate that different structures (micellar solution, hexagonal liquid crystal, and lamellar liquid crystal) form at different concentrations, supporting SAXS observations performed by another research group.
In a separate effort, data obtained from core flood tests conducted in the Purdue EOR laboratory to evaluate and optimize formulations, were collected and organized. Five performance parameters: recovery factor in terms of %ROIP, oil saturation after chemical flood (Sorc), maximum injection pressure during chemical flood, surfactant sorption, and total injectant cost, were selected to evaluate test efficiency, based on technical and economic feasibility. Performance analysis of the core flood data and comparison with data from the literature show average to very good performance of the Purdue core flood tests.
Endrass, Ferdinand. "Performance measurement using shop floor data : Integrating information to enhance performance of manufacturing operations management." Thesis, KTH, Industriell produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134349.
Повний текст джерелаGodavarty, Anuradha. "Fluorescence enhanced optical tomography on breast phantoms with measurements using a gain modulated intensified CCD imaging system." Texas A&M University, 2003. http://hdl.handle.net/1969.1/2184.
Повний текст джерелаKennedy, Oliver John. "Development and deployment of a broadband cavity enhanced absorption spectroscopy instrument for airborne measurements of trace gases." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610332.
Повний текст джерелаOlsson, Sven. "Signal processing as a tool to enhance productivity in industry : measurement and cancelation of periodic signals /." Karlskrona : Blekinge Institute of Technology, 2006. http://www.bth.se/fou/Forskinfo.nsf/allfirst2/943903fa5c44972dc1257133002f9177?OpenDocument.
Повний текст джерелаVabbilisetty, Pratima. "Fabrication and Characterization of Substrate Materials for Trace Analytical Measurements by Surface Enhanced Raman Scattering (SERS) Spectroscopy Technique." Connect to resource online, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1231794465.
Повний текст джерелаAlves, Montanari Allan. "Enhanced instantaneous power theory for control of grid connected voltage sourced converters under unbalanced conditions." IEEE Transactions on Power Electronics, 2017. http://hdl.handle.net/1993/32184.
Повний текст джерелаMay 2017
Franks, James R. "The development and implementation of variable tip-sample separation scanning tunnelling spectroscopy to enhance spectroscopic measurements." Thesis, Swansea University, 2003. https://cronfa.swan.ac.uk/Record/cronfa42341.
Повний текст джерелаCinca, Diane. "Etude de la production de paires de quarks TOP avec ATLAS au LHC, mesure de la masse du quark TOP." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00653792.
Повний текст джерела