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Dissertations / Theses on the topic 'Tunnan'

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1

Almasi, Hamid, and Hamid Almasi. "Perpendicular Magnetic Tunnel Junctions with MgO Tunnel Barrier." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/626332.

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Spintronics discusses about fundamental physics and material science in mostly nanometer size structures. Spintronics also delivers many promising technologies for now and the future. One of the interesting spintronic structures is called “Magnetic Tunnel junction” (MTJ). A typical MTJ consists of a thin (1-3nm) insulator layer sandwiched between two ferromagnetic layers. In this work, I present MTJ with perpendicular magnetic anisotropy (PMA) using an MgO tunnel barrier. The effect of different heavy metals (HMs) adjacent to the ferromagnets (FMs) on tunneling magnetoresistance (TMR) and PMA
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2

Mattsson, Nicodemus. "Sun Tunnel." Thesis, KTH, Arkitektur, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-241474.

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This thesis project aims to repurpose an abandoned railway tunnel in Eriksdalslunden, Stockholm into an experimental activity/farming center for the purpose of teaching people of all ages different farming methods. The learning center implements exciting farming techniques such as aquaponics, where plants get their nutrients from live fish.  This center also teaches about the new technologies that make it possible to grow plants beneath the earth´s surface. These technologies harness the benefits of the sun into a concentrated form and then leads it deep underground. Repurposing unused undergr
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3

Gullander, Madeleine. ""Den tunna blå linjen mellan ordning och kaos" : En visuell textanalys av TV-serien Tunna blå linjen." Thesis, Malmö universitet, Institutionen för globala politiska studier (GPS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-43619.

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As the police authority moves to exploit its power, by using its advantage through individual police officers' initiatives, it will lead to serious societal consequences based on unequal power relations. Situations characterized by discrimination and oppression occur and are reproduced through intersections of power relations, based on ethnic affiliation, social standing, gender and sexual orientation. The purpose of this study is to analyse how this relationship between the police and the public are represented, reflected by the TV series Tunna blå linjen (The thin blue line), produced by Sve
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4

Gauthier, Sébastien. "Applications de l'effet tunnel a l'etude des surfaces : spectroscopie par effet tunnel inelastique, microscopie a effet tunnel." Paris 7, 1987. http://www.theses.fr/1987PA077030.

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Etudes menees par spectrometrie par effet tunnel inelastique: caracterisation de la couche isolante de jonction aluminium-oxyde-plomb; adsorption de no sur du rhodium supporte sur alumine. Obtention, par microscopie tunnel a balayage d'images a l'echelle atomique de la surface du graphite
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5

Gauthier, Sébastien. "Applications de l'effet tunnel à l'étude des surfaces spectroscopie par effet tunnel inélastique : microscopie à effet tunnel /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376053232.

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6

Wong, Pak Kin. "Magnetic tunnel junctions." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624388.

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7

Honorio, Vargas Manuel Angel. "La tuna universitaria en el Perú. Proceso de apropiación cultural a partir del estudio de cinco tunas peruanas." Bachelor's thesis, Pontificia Universidad Católica del Perú, 2021. http://hdl.handle.net/20.500.12404/19250.

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La tuna universitaria es una expresión cultural muy popular en España, la cual ha sido adoptada hace más de medio siglo por nuestro entorno universitario, llegando a ser, en la actualidad, no solo parte importante de las actividades culturales del mismo, sino, también, a convertirse en agentes difusores de música de la región a la que pertenecen, obteniendo el reconocimiento de las mismas. El presente trabajo es un estudio, a partir de cinco importantes tunas, que muestra el proceso de apropiación del modelo de tuna español en nuestro país y como dichos grupos han logrado convertirse en
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8

Leppä, Anna. ""Essikke, dessike, luntan, tuntan" : En studie i språklig medvetenhet." Thesis, Högskolan i Kalmar, Humanvetenskapliga institutionen, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-1778.

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<p>En studie inom förskolan i syfte att se till hur man arbetar med språkligmedvetenhet. Studien har utförts på en förskola med 12 barn i en femårsgrupp. Med metoden stimulated recall har jag gjort videoobservationer, observationer samt fört samtal med de två aktuella förskollärarna efter att gjort observationerna.Tanken med studien var att undersöka på vilket sätt förskollärare främjade barns språkutveckling samt hur de tog tillvara barnens egna erfarenheter. I och med att jag innan studiens genomförande visste att man på den aktuella förskolan aktivt arbetade med språklig medvetenhet så ökad
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9

Ahrabi-Nejad, Sonia. "Reproductive parameters of two coastal pelagic fishes off southeast Florida: Blackfin Tuna Thunnus atlanticus and Little Tunny Euthynnus alletteratus." NSUWorks, 2014. http://nsuworks.nova.edu/occ_stuetd/25.

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The ability to manage a fish stock relies on an understanding of life history characteristics and basic biology of the species. Numerous age-growth studies are facilitated by the relative ease of ageing fishes through hard-part analyses. Determining reproductive parameters for fish populations is equally important for stock assessments and management, and histological examination of gonads provides the most accurate determination of fecundity and spawning periods. Coastal pelagic fishes are often targeted commercially and recreationally due to their easy access by private vessels. However, the
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10

Bruland, Amund. "Hard Rock Tunnel Boring." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Engineering Science and Technology, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-546.

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<p>The main purpose of the thesis work has been to improve the existing prediction models and to provide a toolbox for the TBM tunnelling industry (project owners, consultants, contractors, manufacturers, etc.) to be used through all phases of a project:</p><p>• Preliminary and feasibility studies</p><p>• Project design and optimisation</p><p>• Site investigations</p><p>• Tendering and contract</p><p>• Construction</p><p>• Possible disputes or claims.</p><p>The various reports of the thesis treat various subjects of TBM tunnelling. Combined with other estimation models published in the Project
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11

Pal, Avradeep. "Spin filter tunnel junctions." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708243.

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12

Mujica, Fernández Fernando R. (Fernando René). "Lattice gas wind tunnel." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13444.

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13

Izadinia, Vafa Dario. "Fingerprinting Encrypted Tunnel Endpoints." Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/25351.

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Operating System fingerprinting is a reconnaissance method used by Whitehats and Blackhats alike. Current techniques for fingerprinting do not take into account tunneling protocols, such as IPSec, SSL/TLS, and SSH, which effectively `wrap` network traffic in a ciphertext mantle, thus potentially rendering passive monitoring ineffectual. Whether encryption makes VPN tunnel endpoints immune to fingerprinting, or yields the encrypted contents of the VPN tunnel entirely indistinguishable, is a topic that has received modest coverage in academic literature. This study addresses these question by ta
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14

Andersson, Jon M. "Controlling the formation and stability of alumina phases /." Linköping : Linköpings universitet, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5038.

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15

Böhlmark, Johan. "Fundamentals of high power impulse magnetron sputtering /." Linköping : Linköping University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7359.

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16

Seppänen, Timo. "Growth and characterization of metastable wide band-gap Al1-xInxN epilayers /." Linköping : Department of Physics, Chemistry, and Biology, Linköping University, 2006. http://www.bibl.liu.se/liupubl/disp/disp2006/tek1027s.pdf.

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17

Emmerlich, Jens. "MAX phase thin films : unique multifunctional ceramics with the elements Ti, Si, Ge, Sn, and C /." Linköping : Department of Physics, Chemistry, and Biology, Linköping University, 2006. http://www.bibl.liu.se/liupubl/disp/disp2006/tek1024s.pdf.

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18

Music, Denis. "Boron suboxide based thin films /." Linköping : Univ, 2003. http://www.bibl.liu.se/liupubl/disp/disp2003/tek835s.pdf.

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19

Zhang, Hanmin. "Electronic and atomic structure of metal induced reconstructions on Si(111) and Ge(111) surfaces studied by PES and STM /." Linköping : Univ, 2003. http://www.bibl.liu.se/liupubl/disp/disp2003/tek838s.pdf.

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20

Kugler, Veronika Mozhdeh. "Preparation of functional oxide perovskites : a study on the growth-microstructure-property relationships of (Na,K)NbOx thin films /." Linköping : Univ, 2003. http://www.bibl.liu.se/liupubl/disp/disp2003/tek844s.pdf.

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21

Neidhardt, Jörg. "Fullerene-like carbon nitride thin solid films /." Linköping : Univ, 2004. http://www.bibl.liu.se/liupubl/disp/disp2004/tek877s.pdf.

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22

Joelsson, Torbjörn. "Nanostructural design of transition metal nitride thin films /." Linköping : Dept. of physics and measurement technology, Univ, 2005. http://www.bibl.liu.se/liupubl/disp/disp2005/tek923s.pdf.

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23

Koslowski, Berndt [Verfasser]. "Charakterisierung von Nanostrukturen mittels Raster-Tunnel-Mikroskopie und Raster-Tunnel-Spektroskopie / Berndt Koslowski." Ulm : Universität Ulm. Fakultät für Naturwissenschaften, 2003. http://d-nb.info/101543830X/34.

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24

Cooper, Michael Lloyd. "Tunnel-induced ground movements and their effects on existing tunnels and tunnel linings." Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289380.

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25

Ingelmark, Oscar. "Räddningsinsatser i Undermarksanläggningar : Vattenförsörjningssystemens inverkan på räddningstjänstens förflyttningshastighet." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-32342.

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Undermarksanläggningars komplexa och unika design samt deras placering medför svårigheter vid räddningsinsatser. Även om det i lag krävs tillfredsställande brandskydd ges begränsad vägledning om hur detta ska uppnås, särskilt när det gäller räddningstjänstens möjlighet till släck- och livräddningsinsats. Detta kan leda till meningsskiljaktigheter mellan räddningstjänsten och projektörer avseende exempelvis val av vattenförsörjningssystem. Vattenförsörjningssystemet påverkar räddningstjänstens förflyttningshastighet och luftförbrukning, liksom förmågan att snabbt inleda brandbekämpning, men har
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26

Bringner, Judith. "Tunna (blå) linjen mellan fiktion och verklighet : En publikstudie om hur polisen anser att deras yrke framställs i tv-serien Tunna blå linjen." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik, konst och samhälle, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-83642.

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Denna studie har analyserat hur polisen uppfattar att deras yrke framställs och representeras i tv-serien Tunna blå linjen som visas på SVT. Detta har gjorts genom en kvalitativ forskningsmetod som bygger på semistrukturerade forskningsintervjuer. I intervjuerna har sex poliser, som tagit del av de första sex avsnitten av Tunna blå linjen intervjuats med hjälp av en på förhand konstruerad intervjuguide. För att analysera intervjusvaren utgår studien från representationsteori, identitetsteori och teorier om polisjargong och polishumor. Syftet med studien var att undersöka hur polisen anser att
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27

Bouregba, Rachid. "Études théorique et expérimentale des diodes à effet tunnel résonnant : utilisation en oscillation et en multiplication." Lille 1, 1991. http://www.theses.fr/1991LIL10094.

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L'objectif de ce travail est d'étudier le fonctionnement des diodes tunnel résonnant en vue d'applications hyperfréquences. L'idée est de tirer parti de l'effet de Résistance Différentielle Négative (RDN) et de la très faible inertie des mécanismes mis en jeu pour réaliser un oscillateur ou un multiplicateur de fréquence. A cette fin, nous présentons tout d'abord des résultats de calculs de probabilités de transmission et de caractéristiques de conduction d'une structure double barrière générique. Cette analyse nous permet de dégager des éléments d'optimisation en vue d'obtenir les fréquences
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28

Zenger, Marcus. "Tunneln durch einkristalline Galliumarsenid-Barrieren." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981263429.

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29

Moritz, Michael J. "Tunneln und Reflexion langer Wellen." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=962128805.

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30

Malec, Christopher Evan. "Transport in graphene tunnel junctions." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41140.

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It has been predicted that gold, aluminum, and copper do not fundamentally change the graphene band structure when they are in close proximity to graphene, but merely increase the doping. My data confirms this prediction, as well as explores other consequences of the metal/graphene interface. First, I present a technique to fabricate thin oxide barriers between graphene and aluminum and copper to create tunnel junctions and directly probe graphene in close proximity to a metal. I map the differential conductance of the junctions versus tunnel probe and back gate voltage, and observe mesosco
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31

Premnath, S. M. Jason. "A tolerant axisymmetric wind tunnel." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28511.

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A solution to the current problem of wind tunnel wall interference could be achieved by ventilating the test section and thereby controlling the flow pattern around the model. The motivation for the slotted wall test section arises from the fact that a fully open jet and a fully closed jet introduce corrections of opposite sign to the wind tunnel data. This current work is limited to axisymmetric wind tunnels and solid blockage corrections. Such a tolerant axisymmetric wind tunnel (TAWT), which does not need any correction to the measured flow quantities and which is also independent of the t
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32

Chu, Kan Man. "Modeling of tunnel oxide transistors." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/29076.

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Two improvements to a comprehensive analytic model which describes the steady-state current in a metal-insulator-semiconductor tunnel junction are reported. The first modification replaces the conventional two-band representation of the thin oxide band structure with a one-band model. In this approach the electron barrier height for tunneling is always less than the hole barrier height by an amount equal to the semiconductor band gap. The second improvement enables the energy dependence of the electron and hole tunneling probability factors to be taken into account. This is accomplished by exp
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Kim, Hak Joon. "Estimation for tunnel lining loads." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23005.pdf.

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34

Tanner, Shawn. "Tunnel junctions, cantilevers, and potentials." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3256388.

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35

Mouchet, Amaury. "Effet tunnel chaotique - Méthode différentielle." Habilitation à diriger des recherches, Université François Rabelais - Tours, 2006. http://tel.archives-ouvertes.fr/tel-00129400.

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Ce mémoire d'Habilitation à Diriger des Recherches présente de<br /> façon<br />synthétique mon activité professionnelle s'étalant sur une période qui<br />couvre mon activité de recherche au Laboratoire de Mathématiques et de<br />Physique Théorique depuis le printemps \oldstyle{1997} en tant que ma\^{\i}tre de conférences<br />de l'université François Rabelais de Tours.<br /><br />Après une fiche signalétique qui décrit surtout mon activité<br />d'enseignement, d'administration et d'animation au sein du département<br />de physique et du laboratoire, ce mémoire s'articule autour de deux<br /
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36

Ewusi, Solomon. "Misfires identification in tunnel blasts." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/12023.

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Due to economic gain the use of explosives for rock breaking has been the preferred choice in the mining industry for extracting minerals and the construction industries for driving tunnels and underground excavations. Although misfires are not an expected outcome in any form of blasting operations, however, due to the confined nature of underground blast the likelihood of blasthole misfires occurring is increased compared to that of a surface blast. Past research on the use of explosives for rock breaking have been concerned with issues about improving the effective use of explosive energy ne
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Davis, Robert Patrick. "Nanolithography using scanning tunnel microscopy." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318840.

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Amin, Hilen. "Coupled superconducting tunnel junction systems." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259658.

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Karam, Jad S. "Decision aids for tunnel exploration." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33694.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2005.<br>Includes bibliographical references (leaf 121).<br>Tunnels are subsurface passages which are often constructed without removing the overlying rock or soil. It follows that the lack of a priori knowledge of subsurface conditions poses major challenges in their preliminary design and planning. Considerable construction savings may be achieved through the proper collection and interpretation of information obtained through site exploration. However, exploration results are often not comple
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Neil, John Ralph. "Tunnel One Generalized Satellite Knots." PDXScholar, 1995. https://pdxscholar.library.pdx.edu/open_access_etds/1273.

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In 1984, T. Kobayashi gave a classification of the genus two 3-manifolds with a nontrivial torus decomposition. The intent of this study is to extend this classification to the genus two, torally bounded 3-manifolds with a separating non-trivial torus decomposition. These 3-manifolds are also known as the tunnel-1 generalized satellite knot exteriors. The main result of the study is a full decomposition of the exterior of a tunnel-1 satellite knot in an arbitrary 3-manifold. Several corollaries are drawn from this classification. First, Schubert's 1953 results regarding the existence and uniqu
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Johansson, Peder, and Jonas Larsson. "Tunn klientlösning - ett alternativ?" Thesis, University West, Department of Economics and Informatics, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-453.

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Lundberg, Olle. "Band gap profiling and high speed deposition of Cu(In,Ga)Se₂ for thin film solar cells /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3757.

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Östblom, Mattias. "Temperature programmed studies of molecular assemblies on gold /." Linköping : Univ, 2004. http://www.bibl.liu.se/liupubl/disp/disp2004/tek908s.pdf.

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Ciechonski, Rafal R. "Growth and characterization of SiC and GaN /." Linköping : Department of Physics, Chemistry and Biology, Linköpings universitet, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-10314.

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Kelceoglu, Bekir. "Preventing carpal tunnel syndrome : a product design study to assist carpal tunnel syndrome prevention techniques." Connect to resource, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1194647505.

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46

Danis, Reed. "Investigating Forward Flight Multirotor Wind Tunnel Testing in a 3-by 4-foot Wind Tunnel." DigitalCommons@CalPoly, 2018. https://digitalcommons.calpoly.edu/theses/1909.

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Investigation of complex multirotor aerodynamic phenomena via wind tunnel experimentation is becoming extremely important with the rapid progress in advanced distributed propulsion VTOL concepts. Much of this experimentation is being performed in large, highly advanced tunnels. However, the proliferation of this class of vehicles extends to small aircraft used by small businesses, universities, and hobbyists without ready access to this level of test facility. Therefore, there is a need to investigate whether multirotor vehicles can be adequately tested in smaller wind tunnel facilities. A tes
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47

Kurij, Georg. "Magnetic tunnel junctions for ultrasensitive all-oxide hybrid sensors for medical applications." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS051/document.

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La détection des très faibles valeurs de champ magnétique est un enjeu important pour l’émergence à plus grande échelle de techniques pour le domaine du médical telles que la magnéto cardiographie, ou la magnétoencéphalographie. Les solutions existantes industrialisées reposent sur l’utilisation de jonctions tunnels supraconductrices qui permettent de fabriques des SQUIDS (Superconducting Quantum Intereference Device) qui sont les briques de base des magnétomètres avec des sensibilités de l’ordre de la dizaine de femtotesla. Cependant cette approche impose de travailler à des températures très
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48

Ljungberg, Anders. "Resenärers nytta av att åka tunnel genom Hallandsås. En restidsvärdering av att åka tåg i tunnel." Thesis, Linköping University, Department of Management and Economics, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-723.

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<p>Kostnaden att bygga färdigt tunneln genom Hallandsås överstiger vida nyttan av hela tunneln. En ekonom ställer sig då frågan varför tunneln byggs färdigt. Sedan tunnelbygget avstannat efter att olika problem dykt upp har kostnadssidan noga utretts. En sista(?) utredning pågår just nu. I höst kommer denna att bli färdig. Den kommer att visa om det går att bygga färdigt och ungefär till vilket pris. Nyttosidan däremot har inte några djupare utredningar tagit tag i. Denna är komplicerad. Det finns många svårfångade värden, som flera skulle behöva närmare analys. I en samhällsekonomisk kalkyl ä
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Gauvin, Serge. "Nouvelle approche de l'effet tunnel dans les films organiques monomoléculaires : conception d'un spectromètre à effet tunnel." Thèse, Université du Québec à Trois-Rivières, 1994. http://depot-e.uqtr.ca/6697/1/000611353.pdf.

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Lovén, Sara. "Ersättning för järnvägstunnlar : En jämförelse mellan servitut och 3D - fastighet." Thesis, KTH, Fastigheter och byggande, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-211438.

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Det har skett en betydande folkökning i Stockholm under de senaste åren. För att kunna hantera ökningen ska tunnelbanan byggas ut. Stockholmsförhandlingen resulterade i planering och finansiering av ett antal nya sträckningar. Sträckningarna kommer mestadels att gå underjord och kräver markåtkomst och tillträde. För att tvångsvis få markåtkomst till järnvägstunnlar finns det två konkurrerande möjligheter antigen används tredimensionell fastighetsbildning eller servitutsrätt. När mark exproprieras eller på annat sätt tvångsvis överlåts ska ersättning utgå. Intrångsersättningen ska motsvara mark
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