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Tesi sul tema "Transport phenomena"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Swartz, Melody A. "Interstitial-lymphatic transport phenomena." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/50376.

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2

Laohakunakorn, Nadanai. "Electrokinetic phenomena in nanopore transport." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/252690.

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Nanopores are apertures of nanometric dimensions in an insulating matrix. They are routinely used to sense and measure properties of single molecules such as DNA. This sensing technique relies on the process of translocation, whereby a molecule in aqueous solution moves through the pore under an applied electric field. The presence of the molecule modulates the ionic current through the pore, from which information can be obtained regarding the molecule's properties. Whereas the electrical properties of the nanopore are relatively well known, much less work has been done regarding their fluidi

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3

Kilchherr, Rudolf. "Transport phenomena in porous media." Thesis, Kingston University, 2003. http://eprints.kingston.ac.uk/20729/.

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Non-Newtonian flow in heterogeneous media is of enormous theoretical and industrial importance. This phenomenon is studied to reveal macroscopic effects that arise due to the interaction between the non-linear flow behaviour and the spatial variation of the medium through which it is forced to move. The heterogeneity is achieved by using porous granular media, which is naturally non-homogeneous. The non-Newtonian properties of the fluid may have many causes and is an intrinsic property of the fluid that is used: One way of achieving it is by studying dense slurries of neutral particles or natu

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4

Varanakkottu, Subramanyan Namboodiri. "Light-Induced Microfluidic Transport Phenomena." Phd thesis, TU Darmstadt, 2013. https://tuprints.ulb.tu-darmstadt.de/3509/1/PhD%20thesis_SN.Varanakkottu.pdf.

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Abstract Optofluidics is an emerging field which combines microfluidics and optics, having widespread applications in fundamental sciences as well as engineering. Among the research in the area of optofluidics, manipulation of small objects such as particles and droplets is of great interest. Precise control over the manipulation and confinement of such objects is a challenging task. Unification of microfluidics and optics opens a new way to achieve this goal with added advantages such as non-contact manipulation capability and tunability. This Ph.D. dissertation addresses optofluidic manip

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5

Hamilton, C. J. "Transport phenomena in hydrogel membranes." Thesis, Aston University, 1988. http://publications.aston.ac.uk/9719/.

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In this thesis the factors surrounding the permeation of alkali and alkaline earth metal salts through hydrogel membranes are investigated. Although of relevance to aqueous separations in general, it was with their potential application in sensors that this work was particularly concerned. In order to study the effect that the nature of the solute has on the transport process, a single polymer matrix, poly (2-hydroxyethyl methacrylate), was initially studied. The influence of cation variation in the presence of a fixed anion was looked at, followed by the effect of the anion in the presence of

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6

Badiger, M. V. "Transport phenomena in polymeric media." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1988. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/6166.

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7

Sood, R. "Transport phenomena in polymeric systems." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1985. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/3259.

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8

Naumov, Sergej, Rustem Valiullin, and Jörg Kärger. "Adsorption hysteresis phenomena in mesopores." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194077.

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9

Tánczos, Ilka Christine. "Selective transport phenomena in coastal sands." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1996. http://irs.ub.rug.nl/ppn/152328920.

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10

Kyriakou, Ioanna. "Coherent transport phenomena in semiconductor nanostructures." Thesis, Lancaster University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428887.

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11

Moore, Christopher Paul. "Tunneling Transport Phenomena in Topological Systems." Thesis, Clemson University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13420479.

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<p> Originally proposed in high energy physics as particles, which are their own anti-particles, Majorana fermions have never been observed in experiments. However, possible signatures of their condensed matter analog, zero energy, charge neutral, quasiparticle excitations, known as Majorana zero modes (MZMs), are beginning to emerge in experimental data. The primary method of engineering topological superconductors capable of supporting MZMs is through proximity-coupled semiconductor nanowires with strong Rashba spin-orbit coupling and an applied magnetic field. Recent tunneling transport exp

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12

Kurs, André B. "Novel resonance-assisted electromagnetic-transport phenomena." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68981.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 99-105).<br>We first demonstrate theoretically and experimentally that electromagnetic resonators with high quality factors (Q) can be used to transfer power efficiently over distances substantially larger than the characteristic dimensions of the resonators by operating in a so-called "strongly coupled" regime. We next generalize the notion of strongly coupled resonances to a system comprising one power source and multiple receiver

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13

da, Silva Santos Constantino Adriano. "Transport phenomena in random gradient flows." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624990.

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14

Murphy, Benedict Andrew. "Microscopic and macroscopic spin transport phenomena." Thesis, University of York, 2016. http://etheses.whiterose.ac.uk/15520/.

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Spintronics is the field concerned with the control of electron spin. In logic devices electron charge is manipulated, in computer data storage the magnetisation of a domain is altered; spintronics offers a hybrid between the two. This could be exploited in non-volatile random access memory cells for low power data storage. All-metal Lateral spin-valve devices were fabricated by electron beam lithography to investigate spin transport phenomena. The fabrication and measurement processes were optimised and lateral spin-valve devices were successfully fabricated with spin diffusion lengths of (20

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15

Banerjee, Soumik. "Molecular Simulation Of Nanoscale Transport Phenomena." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/28252.

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Interest in nanoscale heat and mass transport has been augmented through current trends in nanotechnology research. The theme of this dissertation is to characterize electric charge, mass and thermal transport at the nanoscale using a fundamental molecular simulation method, namely molecular dynamics. This dissertation reports simulations of (1) ion intake by carbon nanotubes, (2) hydrogen storage in carbon nanotubes, (3) carbon nanotube growth and (4) nanoscale heat transfer. Ion transport is investigated in the context of desalination of a polar solution using charged carbon nanotubes. Simul

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16

Romero, Gomez Pedro. "Transport Phenomena in Drinking Water Systems." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/194495.

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The current computer models used for simulating water quality in potable water distribution systems assume perfect mixing at pipe junctions and non-dispersive solute transport in pipe flows. To improve the prediction accuracy, the present study examines and expands these modeling assumptions using transport phenomena analyses. Whereas the level of solute mixing at a cross-type junction is evaluated numerically via Computational Fluid Dynamics (CFD), the axial transport in laminar flows is investigated with both CFD simulations and corresponding experimental runs in a single pipe. The findings

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17

Wilkinson, Aidan. "Transport phenomena in two-phase systems." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/25574.

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The physics of two-phase systems is explored here, particularly magneto-transport and low temperature d.c. conductivity in thin films. The extraordinary magnetoresistance (EMR) effect was analysed in the context of previous experimental and theoretical considerations. The magnetoresistance (MR) may be enhanced by up to two orders of magnitude by changing the geometry. This was investigated using finite element analysis. Thin film samples consisting of a layered structure of Germanium-Tin-Germanium (Ge-Sn-Ge) were created in collaboration with Shandong University in China. Ge layers were kept a

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18

Dias, Mariama Rebello de Sousa. "Transport phenomena in quasi-one-dimensional heterostructures." Universidade Federal de São Carlos, 2014. https://repositorio.ufscar.br/handle/ufscar/4973.

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Made available in DSpace on 2016-06-02T20:15:31Z (GMT). No. of bitstreams: 1 5844.pdf: 11430873 bytes, checksum: b80a5790a9ebf6ae63ff48e52968ae60 (MD5) Previous issue date: 2014-02-21<br>Universidade Federal de Sao Carlos<br>O crescimento e caracterização de sistemas de heteroestruturas semicondutoras quasi-unidimensionais têm atraído grande interesse devido à sua potencial de aplicação tecnológica, como foto-detectores, dispositivos opto-eletrônicos assim como seu para o processamento de informação quântica e aplicações em fotônica. O objetivo desta tese é o estudo das propriedades de trans

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19

Bergeson, Jeremy D. "Spin-dependent transport phenomena in organic semiconductors." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1167674229.

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20

Greenfield, Claire. "Numerical modelling of transport phenomena in reactors." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263981.

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21

Spiechowicz, Jakub. "Anomalous transport phenomena in driven periodic systems." Doctoral thesis, Katowice : Uniwersytet Śląski, 2015. http://hdl.handle.net/20.500.12128/5723.

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Praca zawiera przegląd procesów anomalnego transportu zachodzących w czasowo i przestrzennie periodycznych układach fizycznych. Złącza Josephsona są używane jako wygodna motywacja fizyczna ruchu Browna w periodycznym potencjale, która może zostać wykorzystana w celu doświadczalnej weryfi kacji otrzymanych rezultatów. Zidentyfi kowano wiele intrygujących zjawisk, wśród nich efekt zębatkowy, ujemną mobilność czy anomalną dyfuzję. W pracy zaprezentowano konstruktywny wpływ ruchu Browna ilustrując w jaki sposób fluktuacje pochodzenia termicznego lub nierównowagowego mogą zostać wykorzystane w c

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22

Mostaghimi, Peyman. "Transport phenomena modelled on pore-space images." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9180.

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Fluid flow and dispersion of solute particles are modelled directly on three-dimensional pore-space images of rock samples. To simulate flow, the finite-difference method combined with a standard predictor-corrector procedure to decouple pressure and velocity is applied. We study the permeability and the size of representative elementary volume (REV) of a range of consolidated and unconsolidated porous media. We demonstrate that the flow-based REV is larger than for geometry-based properties such as porosity and specific surface area, since it needs to account for the tortuosity and connectedn

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23

Naumov, Sergej, Rustem Valiullin, and Jörg Kärger. "Adsorption hysteresis phenomena in mesopores." Diffusion fundamentals 6 (2007) 67, S. 1-2, 2007. https://ul.qucosa.de/id/qucosa%3A14247.

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24

Takada, Satoshi. "Studies on transport phenomena of cohesive granular particles." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215293.

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25

Khosravi, Elham [Verfasser]. "Time-dependent phenomena in quantum transport / Elham Khosravi." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1034300261/34.

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26

Sirisathitkul, C. "Studies of transport phenomena at ferromagnet/semiconductor interfaces." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325445.

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27

Aboelsoud, Walid. "Study of Transport Phenomena in Carbon-Based Materials." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5593.

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In air-cooled heat exchangers, air-side thermal resistance is usually the largest compared to conduction and liquid-side thermal resistances. Thus, reducing the air-side thermal resistance with fin-like structures can greatly improve overall cooling performance. The performance of these structures is usually characterized by the rate of heat which can be transferred and the pumping power required. One promising solution is to use a high-thermal-conductivity material with a large surface per unit volume such as carbon foam. This study presents a method of utilizing V-shape corrugated carbon

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28

Powell, Adam Clayton IV. "Transport phenomena in electron beam melting and evaporation." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/39623.

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29

Holland, Emilie Charlotte. "Computational modelling of transport phenomena in cerebral aneurysms." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:72471f90-9d97-4fbe-b2c3-499430678277.

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An estimated 85% of haemorrhagic strokes are secondary to the rupture of an intracranial aneurysm (IA), a localised, blood-filled dilation of the artery wall. The clinically observed rupture of occluded IAs has led to hypothesise that the presence of thrombus may restrict the transport of nutrients, most notably oxygen, to the aneurysmal wall, thus heightening the risk of rupture through the deleterious effects of hypoxia on cellular functionality. The limited research into O2 transport within IAs demonstrate the need for further exploration into the possible detrimental hypoxic conditions as

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30

Balasubramanian, Ganesh. "Modeling nanoscale transport phenomena: Implications for the continuum." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/27288.

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Transport phenomena at the nanoscale can differ from that at the continuum because the large surface area to volume ratio significantly influences material properties. While the modeling of many such transport processes have been reported in the literature, a few examples exist that integrate molecular approaches into the more typical macroscale perspective. This thesis extends the understanding of nanoscale transport governed by charge, mass and energy transfer, comparing these phenomena with the corresponding continuum behavior where applicable. For instance, molecular simulations enable us

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31

Zhang, Hao. "Gravity-dependent transport phenomena in zeolite crystal growth." Case Western Reserve University School of Graduate Studies / OhioLINK, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=case1060021149.

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32

Feng, Jingxing. "Transport Phenomena in Polymeric Blends and Multilayer Films." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1548202751756984.

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33

Grau, Ribes Alexis. "Mathematical models of transport phenomena in biological tissues." Doctoral thesis, Universite Libre de Bruxelles, 2020. https://dipot.ulb.ac.be/dspace/bitstream/2013/303032/4/contents.pdf.

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Cette thèse est consacrée à l’élaboration et l’étude théorique de modèles de transport décrivant les dynamiques cellulaires et la communication intercellulaire dans les tissus épithéliaux. Nous nous intéressons d’abord à l’influence du transport de microARNs (miRNAs) sur la dynamique spatiotemporelle de réseaux de régulation génétique. Ces courtes séquences d’ARN régulent la synthèse des protéines en bloquant l’activité des ARN messagers et leur sécrétion via des vesicules extracellulaires en font des agents de communication intercellulaire. Différents modèles faisant intervenir des miRNAs ext

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34

Nagata, Koji. "TURBULENCE STRUCTURE AND TRANSPORT PHENOMENA IN DENSITY STRATIFICATION." Kyoto University, 2000. http://hdl.handle.net/2433/151546.

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35

Lloyd, Kenneth P. "Understanding Human Erythrocyte Glucose Transporter (GLUT1) Mediated Glucose Transport Phenomena Through Structural Analysis." eScholarship@UMMS, 2018. https://escholarship.umassmed.edu/gsbs_diss/962.

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GLUT1-mediated, facilitated sugar transport is proposed to be an example of transport by a carrier that alternately presents exofacial (e2) and endofacial (e1) substrate binding sites, commonly referred to as the alternating access carrier model. This hypothesis is incompatible with observations of co-existent exo- and endofacial ligand binding sites, transport allostery, and e1 ligand (e.g. cytochalasin B) induced GLUT1 sugar occlusion. The fixed-site carrier model proposes co-existent, interacting e2 and e1 ligand binding sites but involves sugar translocation by geminate exchange through in

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36

Pongsaksawad, Wanida. "Numerical modeling of interface dynamics and transport phenomena in transport-limited electrolysis processes." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36209.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2006.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 111-117).<br>Electrochemical reactions in materials and processes induce morphological instability on the cathode, which can lead to porous deposits or system failure. The growth of the protrusion is a complex phenomenon which involves chemical, electrical, and momentum driving forces in the system.

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37

De, Virgiliis Andres, and Kurt Binder. "Monte Carlo study of transport phenomena in surface binary alloys." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194655.

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38

Shangguan, Minhui. "Charge and spin transport in mesoscopic systems." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39557583.

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39

Shangguan, Minhui, and 上官敏慧. "Charge and spin transport in mesoscopic systems." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39557583.

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40

Daumer, Volker. "Phase coherent transport phenomena in HgTe quantum well structures." Doctoral thesis, [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=979460352.

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41

Racec, Paul Nicolae. "Transport phenomena and capacitance of open quantum semiconductor nanostructures." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965463613.

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42

Zahn, Peter. "Transport phenomena in metallic nanostructures: an ab initio approach." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1117186073142-40775.

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Im Rahmen der vorliegenden Arbeit werden ab initio Berechnungen des Restwiderstandes von metallischen Nanostrukturen vorgestellt. Die elektronische Struktur der idealen Systeme wird mit Hilfe einer Screened KKR Greenschen Funktionsmethode im Rahmen der Vielfachstreutheorie auf der Grundlage der Dichtefunktionaltheorie berechnet. Die Potentiale von Punktdefekten werden selbstkonsistent mit Hilfe einer Dyson-Gleichung für die Greensche Funktion des gestörten Systems berechnet. Unter Nutzung der ab initio Ubergangswahrscheinlichkeiten wird der Restwiderstand durch Lösung der quasi-klassischen Bol

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43

Schoofs, Frank. "Defect-induced magnetism and transport phenomena in epitaxial oxides." Thesis, University of Cambridge, 2012. https://www.repository.cam.ac.uk/handle/1810/243639.

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This work focuses on the impact of defects, intrinsic or artificially introduced, on the functional properties of thin, epitaxial oxide films. In the first part, the origin of the ferromagnetic properties of Mn-doped and undoped zinc oxide is studied. The deposition conditions are found to have a significant impact on the structural, transport and magnetic properties of the thin films. Combining x-ray magnetic circular dichroism and magnetometry experiments, it is established that the transition metal dopants (i.e. Mn) have no influence on the ferromagnetic nature of the zinc oxide, but that l

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44

Mielke, Eric. "Study on the Transport Phenomena in Complex Micro-Reactors." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36040.

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Continuous processing in the pharmaceutical and fine chemical industries, particularly in micro/milli-scale reactors, has been a topic of interest in literature in recent years due to the advantages offered over batch reactions. One such advantage is the enhanced transport properties of operating at smaller scales, although the quantification of the transport phenomena is not straightforward when wall and entrance effects cannot be neglected. In the first study presented, various micro-mixer geometries and scales were considered to increase the mixing efficiency in liquid-liquid systems of

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45

Sadomba, Clara P. (Clara Petronella). "A computational study of transport phenomena in RH-ladles." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23377.

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A numerical study was carried out to predict three dimensional turbulent flow heat and mass transfer in RH-ladles. To model the turbulence in the system, the popular Launder and Sharma (7) version of the low Reynolds number k-$ varepsilon$ model was employed. The governing equations for fluid flow and heat transfer were solved using a control volume-based finite difference method. The buoyancy effect in the axial momentum equation was incorporated through the Boussinesq approximation. From the fluid flow and turbulence characteristics predicted by the numerical model, the mass transfer occurri

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46

Grauer, Stefan [Verfasser]. "Transport Phenomena in Bi2Se3 and Related Compounds / Stefan Grauer." München : Verlag Dr. Hut, 2018. http://d-nb.info/1155058925/34.

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47

Messina, Luca. "Multiscale modeling of atomic transport phenomena in ferritic steels." Doctoral thesis, KTH, Reaktorfysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177525.

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Defect-driven transport of impurities plays a key role in the microstructure evolution of alloys, and has a great impact on the mechanical properties at the macroscopic scale. This phenomenon is greatly enhanced in irradiated materials because of the large amount of radiation-induced crystal defects (vacancies and interstitials). For instance, the formation of nanosized solute clusters in neutron-irradiated reactor pressure vessel (RPV) ferritic steels has been shown to hinder dislocation motion and induce hardening and embrittlement. In Swedish RPV steels, this mechanical-property degradation

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48

Tsuda, Taizo. "STUDIES ON BIOLOGICAL TRANSPORT PHENOMENA OF ENVIRONMENTAL CHEMICAL POLLUTANTS." Kyoto University, 1992. http://hdl.handle.net/2433/168761.

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本文データは平成22年度国立国会図書館の学位論文(博士)のデジタル化実施により作成された画像ファイルを基にpdf変換したものである<br>Kyoto University (京都大学)<br>0048<br>新制・論文博士<br>博士(工学)<br>乙第7828号<br>論工博第2578号<br>新制||工||874(附属図書館)<br>UT51-92-J240<br>(主査)教授乾智行, 教授渡部良久, 教授宗宮功<br>学位規則第4条第2項該当

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49

Zahn, Peter. "Transport phenomena in metallic nanostructures: an ab initio approach." Doctoral thesis, Technische Universität Dresden, 2003. https://tud.qucosa.de/id/qucosa%3A24499.

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Abstract (sommario):

Im Rahmen der vorliegenden Arbeit werden ab initio Berechnungen des Restwiderstandes von metallischen Nanostrukturen vorgestellt. Die elektronische Struktur der idealen Systeme wird mit Hilfe einer Screened KKR Greenschen Funktionsmethode im Rahmen der Vielfachstreutheorie auf der Grundlage der Dichtefunktionaltheorie berechnet. Die Potentiale von Punktdefekten werden selbstkonsistent mit Hilfe einer Dyson-Gleichung für die Greensche Funktion des gestörten Systems berechnet. Unter Nutzung der ab initio Ubergangswahrscheinlichkeiten wird der Restwiderstand durch Lösung der quasi-klassischen Bol

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Leichsenring, Peter, and Thomas Wallmersperger. "Modeling and simulation of transport phenomena in ionic gels." SPIE, 2015. https://tud.qucosa.de/id/qucosa%3A35028.

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Abstract (sommario):

Ionic hydrogels belong to the class of polyelectrolyte gels or ionic gels. Their ability to swell or shrink under different environmental conditions such as change of pH, ion concentration or temperature make them promising materials, e.g. for microsensoric or microactuatoric devices. The hydrogel swelling exhibits nonlinear effects due to the occurrence of different interacting transport phenomena. Numerical simulations are an essential part in the ongoing development of microsensors and microactuators. In order to determine transport effects due to diffusion, migration and convection a multi

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