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Dissertations / Theses on the topic 'Iron structures'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Tuncel, Selcan. "Synthesis Of Iron Borophosphates And Phosphates With Zeo-type Structures." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/1260460/index.pdf.

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New iron phosphate and borophosphate compounds were synthesized and characterized by single crystal/powder X-ray diffraction, infrared spectroscopy, raman spectroscopy, thermogravimetric analysis, electron microscopy and elemental analysis. Using several compositions, Fey B(PO4)x type of compounds were attempted to be prepared by solid state reactions. The solid state reactions of boron compounds with a phosphating agent has been completed at 950oC. A new product Fe2BP3O12 is synthesized and indexed in this work which is isostructural with Cr2 BP3O12 A single crystal of iron ammonium pho

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2

Cao, Jianying. "Electronic structures of iron monocarbide (FeC) and rhenium mononitride (ReN)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ34253.pdf.

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3

Mohd-Ali, B. B. "Computer mapping of grain structures in grain-oriented silicon-iron." Thesis, Bucks New University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373598.

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4

Powell, Robyn. "Structures and magnetic properties of iron(III) spin-crossover compounds." Thesis, Aston University, 2017. http://publications.aston.ac.uk/37512/.

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Transition metal fragments displaying switching behaviour are appealing materials, which may be used in a functional way in research and technology. Some molecular species containing transitionmetal ions may exhibit a crossover between states having a different magnetic moment, the magnetic interconversion between the low-spin and high-spin state in FeIII systems which can be triggered by a change in temperature, pressure or by light irradiation. The research presented in this thesis focuses on using substituted derivatives of R-salicylaldehyde 4R’-thiosemicarbazone (H2L, H2-R-thsa-R’) for gen

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5

Henderson, Richard K. "The formation and structures of iron(III) polycarboxylato species formed in aqueous solution." Thesis, University of East Anglia, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357576.

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6

Olowe, A. Abiodun. "Aqueous corrosion of iron in sulphated media mechanisms, kinetics and structures /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37617200t.

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7

Maraveas, Chrysanthos. "Fire resistance of metal framed historical structures." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/fire-resistance-of-metal-framed-historical-structures(390efc49-7228-4ad1-a164-356213df96fb).html.

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This thesis focuses on fire resistance of 19th century cast iron framed structures. Based on material property data obtained from a comprehensive literature review, upper and lower bound relationships of the thermal and mechanical properties of 19th century fireproof floor construction materials have been derived. Because these materials have large variability, a sensitivity analysis has been undertaken to investigate the most effective ways of representing such variability. The sensitivity analysis has indicated that the elevated mechanical properties of cast iron should be reliably quantifie

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8

Wang, Qianen, and 王乾恩. "Electronic structures of impurity and orbital-resolved vortex core states in iron-selenide superconductors." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206433.

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We study the effect of a single non-magnetic impurity and vortex core states in iron-selenide superconductors by solving the Bogoliubov-de Gennes equations self-consistently based on a three-orbital model. Various pairing symmetry are considered in the calculation. The impurity-induced in-gap bound states are found only for attractive impurity scattering potential, as in the cases of doping of Co or Ni, which is characterized by the strong particle-hole asymmetry, in the nodeless d_(x^2-y^2 ) wave pairing state. This property may be used to probe the pairing symmetry of iron-selenide 122-type

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9

Nadler, Jason Hayes. "The hydrogen reduction of iron and chromium oxides." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/19410.

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10

Landgraf, Boris [Verfasser], and Wolfgang [Akademischer Betreuer] Hansen. "Structural, magnetic and electrical investigation of Iron-based III/V-semiconductor hybrid structures / Boris Landgraf. Betreuer: Wolfgang Hansen." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1048626555/34.

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11

Villalba, Pedro Javier. "Nanodiamond Based Composite Structures for Biosensing Applications." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5144.

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This dissertation presents the synthesis and application of nanodiamond based materials for electrochemical biosensors. In this research work, nanodiamond particles have been used to prepare doped and undoped nanocrystalline diamond films, and conducting polymer composites for enhanced biosensing. The performance of the synthetized materials towards sensing applications was evaluated against glucose amperometric biosensing. Besides, cholesterol biosensing was attempted to prove the capabilities of the platform as a generic biosensing substrate. Biosensors have been proved to provide reliable d

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12

Nguyen, Thao Ahn 1958. "Defect structures, phase relations and phase transformations of low temperature iron sulfide compounds." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/92621.

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13

Brucka, Marta Anna. "N-Heterocyclic carbene complexes of silver, rhodium and iron: structures, dynamics and catalysis." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3873/.

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The research performed in the framework of this Master Thesis has been directly inspired by the recent work of an organometallic research group led by Professor Maria Cristina Cassani on a topic related to the structures, dynamics and catalytic activity of N-heterocyclic carbene-amide rhodium(I) complexes1. A series of [BocNHCH2CH2ImR]X (R = Me, X = I, 1a’; R = Bz, X = Br, 1b’; R = trityl, X = Cl, 1c’) amide-functionalized imidazolium salts bearing increasingly bulky N-alkyl substituents were synthetized and characterized. Subsequently, these organic precursors were employed in the synthesis o

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14

Medina, Ricardo A. Krawinkler Helmut. "Seismic demands for nondeteriorating frame structures and their dependence on ground motions /." Berkeley : Pacific Earthquake Engineering Research Center, 2004. http://peer.berkeley.edu/publications.

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Originally published as first author's thesis.<br>"May 2004." "John A. Blume Earthquake Engineering Center, Dept. of Civil & Environmental Engineering, Stanford University." Includes bibliographical references.

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15

Harland, Cathy. "Processing, structures and properties of nanophase rare earth - iron - boron based hard magnetic alloys." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327729.

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16

Fanello, Marta. "Later Iron Age coinage in Britain : reconstructing insular social structures and systems of value." Thesis, University of Leicester, 2016. http://hdl.handle.net/2381/37981.

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This thesis compares numismatic and archaeological evidence from different regions of Britain in order to investigate the changes in systems of values that occurred in the late Iron Age and how these reflect transformations in endogenous social structures. Coins began to be systematically imported into Britain from Gaul during the 2nd century BC. Local gold production began in the early 1st century BC, in conjunction with the development of new settlements forms and the intensification of relations with the Roman world. The chronology of the adoption of coinage was not uniform across Britain a

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17

Nakatani, Naoki. "Theoretical Studies of Photoproteins and Non-Heme Iron Enzymes: Electronic Structures and Reaction Processes." 京都大学 (Kyoto University), 2010. http://hdl.handle.net/2433/120885.

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18

WILLIAMS, GEORGE CLAY. "STEEL CONNECTION DESIGNS BASED ON INELASTIC FINITE ELEMENT ANALYSES (GUSSET, BRACING, STRUCTURES)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/188168.

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Analytical and experimental studies were made to develop design procedures for steel gusset plate connections in diagonally braced frames. Stiffness and strength models of structural fasteners based on physical tests were incorporated into inelastic finite element analyses. The modeling techniques were verified by comparing analytical and experimental results of full scale connection tests. Finite element models of bracing connections were generated to determine gusset plate force, stress, strain, and displacement distributions for a variety of connection designs including K-bracing and X-brac

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19

Dörmbach, Karla Verfasser], Andrij Z. [Akademischer Betreuer] [Pich, and Ulrich [Akademischer Betreuer] Simon. "Iron Oxide-Based Multi-Compartment Colloids with Complex Structures / Karla Dörmbach ; Andrij Pich, Ulrich Simon." Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/112807611X/34.

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20

Dörmbach, Karla [Verfasser], Andrij Z. [Akademischer Betreuer] Pich, and Ulrich [Akademischer Betreuer] Simon. "Iron Oxide-Based Multi-Compartment Colloids with Complex Structures / Karla Dörmbach ; Andrij Pich, Ulrich Simon." Aachen : Universitätsbibliothek der RWTH Aachen, 2015. http://d-nb.info/112807611X/34.

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21

Lo, David Siu-Kau. "A contribution to the computer aided design of optimized structures for the steel industry." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28497.

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A practical method of incorporating realistic flexible connections including the effect of connection sizes and shear deflection in plane frame analysis is presented. The general algorithm can be easily implemented in a standard plane frame analysis program and once implemented it can be an ideal tool for production work in the steel industry. In this approach connection stiffness is programmed directly into the analysis by utilizing the connection moment-rotation equations developed by Frye and Morris but it may also be entered separately as data. Nonlinear connection analysis is carried out

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22

Chan, Sau-han, and 陳秀嫻. "Non-heme iron(III) and gold(III) complexes with dicarboxamide ligands: synthesis, structures and anti-cancerproperties." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39557984.

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23

Lui, Wing Man. "Design of cold-formed high strength stainless steel tubular columns and beam-columns /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202004%20LUI.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2004.<br>Includes bibliographical references (leaves 149-154). Also available in electronic version. Access restricted to campus users.

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24

Chan, Sau-han. "Non-heme iron(III) and gold(III) complexes with dicarboxamide ligands synthesis, structures and anti-cancer properties /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39557984.

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25

McIntosh, Monique Sandra. "Mechanisms and Factors Affecting Chromium Oxide Particle reduction in Iron-Chromium Honeycombs." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6934.

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In the production of iron chromium honeycombs, iron oxide and chromium oxide mixtures are reduced by hydrogen at elevated temperatures to produce a metallic alloy. The complete reduction of the iron oxide occurs prior to the reduction of the chromium oxide. The reduction of the chromium oxide particles within the iron matrix is affected by factors that include the diffusion of the reduced chromium away from the chromium oxide particle into the iron matrix, the diffusion of the gaseous reactants and products to and from the chromium oxide particles, and the porosity of the iron matrix, which ch

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26

Xie, Jin, and 解錦. "Synthesis, structures and spectroscopic properties of primary and secondary phosphine complexes of iron, ruthenium and osmiumporphyrins." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39556876.

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27

Kim, Jongsun Rees Douglas C. Rees Douglas C. "Crystallographic structures and functional implications of nitrogenase molybdenum-iron proteins from Azotobacter vinelandii and Clostridium pasteurianum /." Diss., Pasadena, Calif. : California Institute of Technology, 1993. http://resolver.caltech.edu/CaltechETD:etd-09182007-093920.

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28

Kpogo, Kenneth K. "X-ray crystal structures of: [Rh2(N-{2,4,6-CH3}C6H2)COCH3)4]•2NCC6H4 AND Ba1.5[Fe(C10H13N2O7)][Co(CN)6]•9H2O; two crystallographic challenges." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/1175.

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The novel compound, [Rh2(N-{2,4,6-CH3}C6H2)COCH3)4] was synthesized. Crystal structures of [Rh2(N-{2,4,6-CH3}C6H2)COCH3)4]·2NCC6H5 and Ba1.5[Fe(C10H13N2O7)][Co(CN)6]·9H2O were determined employing a Rigaku Mercury375R/M CCD (XtaLAB mini) diffractometer with graphite monochromated Mo-Kα radiation. For [Rh2(N-{2,4,6-CH3}C6H2)COCH3)4]·2NCC6H5, the space group was P-421c(#114) with unit cell dimensions: a =11.0169(14)Å, c =21.499(3)Å, V = 2609.4(6)Å3. Each rhodium had approximately octahedral coordination and was bound to another rhodium atom, two nitrogens (trans to each other), two oxygens (tran

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29

Jiménez, Pacheco Julio. "Behavior of steel-to-concrete connections for use in repair and rehabilitation of reinforced concrete structures /." Full-text Adobe Acrobat (PDF) file, 1992. http://www.engr.utexas.edu/research/fsel/FSEL_reports/Thesis/Jimenez-Pacheco,%20Julio.pdf.

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30

Dong, Chunxiao, and 董春宵. "Uni-axial behaviour of concrete-filled-steel-tubular columns with external confinement." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/195975.

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This thesis studies the uni-axial behaviour of circular double-skinned concrete-filled-steel-tubular (CFST) columns with external confinement in form of external steel rings. Particular attention is paid to the experimental behaviour of double-skinned CFST columns and theoretical model for evaluating the loadcarrying capacity of un- and ring-confined double-skinned CFST columns. Experimental studies on circular double-skinned CFST columns with various spacing of confinement, concrete strength and hollow ratio were conducted and discussed comprehensively. The mechanical properties of double-sk

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31

Biddah, Aiman Mahmoud Samy. "Evaluation of the seismic level of protection of steel moment resisting frame building structures." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0007/NQ42833.pdf.

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32

Xie, Jin. "Synthesis, structures and spectroscopic properties of primary and secondary phosphine complexes of iron, ruthenium and osmium porphyrins." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/HKUTO/record/B39556876.

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33

Huo, Suguo. "Micromagnetic simulation and MFM study of micromagnetic structures in ferromagnetic materials." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287631.

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34

Ibrar, Muhammad. "Microstructure of Fe-based and NiFe nanowires encapsulated by multiwalled carbon nanotube radial structures." Thesis, Queen Mary, University of London, 2018. http://qmro.qmul.ac.uk/xmlui/handle/123456789/36222.

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The crystalline iron-based nanowires encapsulated by multiwalled carbon nanotubes have been the subject of numerous studies owing to the range of potential applications. The presence of a-Fe (bcc)/y -Fe(fcc) junctions o ers the possibility of exploitation of the exchange bias effect, an interfacial magnetic phenomenon that plays a major role in magnetocaloric cooling, spintronic and high-density magnetic storage devices. This work is concerned with the synthesis and microstructural characterization of Fe-based and NiFe nanowires encapsulated by multiwall carbon nanotube radial structures. The

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35

Raby, Douglas Allan. "Development of a system architecture and applications for an integrated computer software system for the analysis and design of steel structures." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0017/MQ48372.pdf.

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36

Linzell, Daniel Gattner. "Studies of a full-scale horizontally curved steel I-girder bridge system under self-weight." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/18342.

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37

Gardenghi, David Jeremiah. "Synchrotron radiation-based spectroscopic investigation of the electronic and geometric structures of iron-sulfur clusters, particles, and minerals." Diss., Montana State University, 2012. http://etd.lib.montana.edu/etd/2012/gardenghi/GardenghiD0512.pdf.

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Iron-sulfur systems are ubiquitous in biological and geological environments. They range from molecular scale [2Fe-2S] clusters to nanometer scale particles to micrometer scale minerals. Across the length scale, each system has unique structural and functional roles with respect to its environment, such as metalloproteins or hydrothermal vents. Therefore, it is of great interest to understand the electronic and geometric structural properties that give a wide range of reactivity. The main focus of this dissertation is to investigate the possible connections among the different size scales usin

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38

Guerra, Gabriel Andrés Fonseca. "Study of the longitudinal spin Seebeck effect in hybrid structures with yttrium iron garnet and various metallic materials." Universidade Federal de Pernambuco, 2014. https://repositorio.ufpe.br/handle/123456789/12719.

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Submitted by Daniella Sodre (daniella.sodre@ufpe.br) on 2015-04-08T12:40:55Z No. of bitstreams: 2 DISSERTAÇÃO Gabriel Fonseca.pdf: 3837074 bytes, checksum: e2c9b20882785e374170658d648ee389 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5)<br>Made available in DSpace on 2015-04-08T12:40:55Z (GMT). No. of bitstreams: 2 DISSERTAÇÃO Gabriel Fonseca.pdf: 3837074 bytes, checksum: e2c9b20882785e374170658d648ee389 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Previous issue date: 2014-03-10<br>Conselho Nacional de Desenvolvimento Cientí

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39

Lodge, Julia M. "Influence of sub-MICs of B-lactam antibiotics, growth rate, and iron limitation on the surface structures of Klebsiella pneumoniae." Thesis, Aston University, 1987. http://publications.aston.ac.uk/12554/.

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40

Gallegos, Mayorga Linamaría. "Contribution à la compréhension du comportement mécanique des assemblages rivetés anciens." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0038/document.

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Le patrimoine ferroviaire français comporte de nombreux ponts métalliques, principalement construits au cours de la seconde moitié du XIXème siècle. Ces ouvrages d'art sont donc en service depuis plus d’un siècle et nécessitent une politique de maintenance adaptée. En collaboration avec SNCF Réseau, cette thèse de doctorat apporte des éléments de compréhension sur le comportement mécanique des assemblages rivetés à chaud sous sollicitations monotones et cycliques. Une stratégie expérimentale a été mise en oeuvre afin d'identifier les mécanismes de ruine des assemblages rivetés. Dans un premier

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41

Chao, Min. "The design and behaviour of concrete filled steel tubular beam-columns /." View thesis View thesis, 2000. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030429.154344/index.html.

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42

Bialon, Arthur [Verfasser], Ralf [Gutachter] Drautz, and Jörg [Gutachter] Neugebauer. "The iron-boron system : ordered structures and point defects / Arthur Bialon ; Gutachter: Ralf Drautz, Jörg Neugebauer ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2013. http://d-nb.info/1201553490/34.

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43

CABBOI, ALESSANDRO. "Automatic operational modal analysis: challenges and applications to historic structures and infrastructures." Doctoral thesis, Università degli Studi di Cagliari, 2014. http://hdl.handle.net/11584/266404.

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The core of the work turns around the capability to automate Operational Modal Analysis methods for permanent dynamic monitoring systems. In general, the application of OMA methods requires an experienced engineer in experimental dynamics and modal analysis; in addition, a lot of time is usually spent in manual analysis, necessary to ensure the best estimation of modal parameters. Those features are in contrast with permanent dynamic monitoring, which requires algorithms in order to efficiently manage the huge amount of recorded data in short time, ensuring an acceptable quality of results. T

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44

Afshar, Raman Khosrow. "Iron nitrosyls derived from polypyridine ligands with carboxamide groups(s) : syntheses, structures, photolability of NO, and S-nitrosylation of thiols and papain /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2005. http://uclibs.org/PID/11984.

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45

Young, B. (Ben). "The behaviour and design of cold-formed channel columns." Thesis, Faculty of Engineering, 1997. http://hdl.handle.net/2123/13673.

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46

Chao, Min. "The design and behaviour of concrete filled steel tubular beam-columns." Thesis, View thesis View thesis, 2000. http://handle.uws.edu.au:8081/1959.7/92.

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Concrete filled steel tubular (CFST) columns are widely used in building and infrastructure projects throughout the world.Compared with other form of construction CFST columns offer superior structural performance and speed and ease of construction.Design procedures and recommendations provided in most of the design codes are often tedious and complex. There have been attempts to simplify the design procedure by providing a simplified expression to predict the capacity of a CFST under a general loading condition.In this thesis a rigorous analysis procedure was presented for the analysis of CFS

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47

Vock, Silvia. "Resolving Local Magnetization Structures by Quantitative Magnetic Force Microscopy." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-148019.

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Zur Aufklärung der lokalen Magnetisierungs- und magnetischen Streufeldstruktur in ferromagnetischen und supraleitenden Materialien wurden magnetkraftmikroskopische (Magnetkraftmikroskopie-MFM) Untersuchungen durchgeführt und quantitativ ausgewertet. Für eine solch quantitative Auswertung muss der Einfluß der verwendeten MFM-Spitzen auf das MFM-Bild bestimmt und in geeigneter Weise subtrahiert werden. Hierzu wurden Spitzenkalibrierungsroutinen und ein Verfahren zur Entfaltung der gemessenen MFM-Daten implementiert, das auf der Wiener Dekonvolution basiert. Mit Hilfe dieser Prozedur können sowoh

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48

Rose, Michael J. "Synthesis, x-ray structures, spectroscopy, DFT electronic configuration and biological relevance of photolabile ruthenium and iron nitrosyls derived from ligands containing carboxamido-N donors /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2009. http://uclibs.org/PID/11984.

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49

Jagodnik, Jonathan. "Multiples mécanismes de régulation post-transcriptionnelle chez les bactéries : des structures d’ARN messager aux ARN régulateurs." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC111/document.

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Chez les bactéries, la régulation de l’expression génétique est fondamentale pour permettre une adaptation optimale à l’environnement. De nombreux contrôles existent, notamment au niveau post-transcriptionnel par de nombreux ARN régulateurs (sRNA pour « small RNAs »). Ceux-ci ciblent des ARN messager (ARNm), permettant une régulation rapide de la synthèse de protéines. Le plus souvent, ces sRNAs interagissent avec leur(s) cible(s) au niveau du site de fixation du ribosome (RBS pour « ribosome binding site »), entrant dès lors en compétition avec le ribosome pour la fixation à l’ARNm et entraîn

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50

Lopez, Samuel. "Définition de nouvelles structures de circuits magnétiques de machines AC utilisant des tôles à grains orientés." Thesis, Artois, 2011. http://www.theses.fr/2011ARTO0202/document.

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Le travail présenté porte sur la définition et le développement d’un circuit magnétique pour moteurs à haut rendement de faible et moyenne puissances. Il est réalisé avec des tôles à Grains Orientés (GO) non-segmentées. Des expérimentations réalisées en champ unidirectionnel, destinées à comparer les caractéristiques globales de la structure GO à celles obtenues sur un assemblage classique composé de tôles à grains Non-Orientés (NO), permettent de conclure quant à l’efficacité de l’association proposée en termes de pertes fer. Des investigations au niveau local, accompagnées d’une modélisation

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