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Dissertations / Theses on the topic 'Complete resolution'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Poltoratska, Iryna. "Complete dipole response in 208Pb from high-resolution polarized proton scattering at 0°." Phd thesis, bis500-Digitaldruck, 2011. https://tuprints.ulb.tu-darmstadt.de/2671/1/Dissertation_IrynaPoltoratska.pdf.

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At the Research Center for Nuclear Physics, Osaka, Japan, the 208Pb(p,p´) reaction was measured at Ep=295 MeV and scattering angles Θlab= 0° - 10°. A high energy resolution of the order of ΔE/E ≈ 8x10^-5 was achieved, corresponding to ΔE=25-30 keV (FWHM). Cross sections were extracted by a multipole decomposition analysis of the angular distributions. Dominant contributions at very forward angles originate from E1 excitation due to Coulomb projectile-target interaction and spin M1 transitions caused by the spin-isospin part of the proton-nucleus interaction. A separation of these contribut

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2

Ràfols, Soler Pere. "Development of a complete advanced computational workflow for high-resolution LDI-MS metabolomics imaging data processing and visualization." Doctoral thesis, Universitat Rovira i Virgili, 2018. http://hdl.handle.net/10803/461608.

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La imatge per espectrometria de masses (MSI) mapeja la distribució espacial de les molècules en una mostra. Això permet extreure informació Metabolòmica espacialment corralada d'una secció de teixit. MSI no s'usa àmpliament en la metabolòmica espacial a causa de diverses limitacions relacionades amb les matrius MALDI, incloent la generació d'ions que interfereixen en el rang de masses més baix i la difusió lateral dels compostos. Hem desenvolupat un flux de treball que millora l'adquisició de metabòlits en un instrument MALDI utilitzant un "sputtering" per dipositar una nano-capa d'Au directam

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3

Reichardt, Christian L. Lange Andrew E. Lange Andrew E. "A high resolution measurement of temperature anisotropies in the cosmic microwave background radiation with the complete ACBAR data set /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-12202007-130152.

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4

MASSARI, LUCIA FRANCESCA. "Complete resolution of sister chromatid intertwines requires the Polo-like kinase Cdc5 and the phosphatase Cdc14 in budding yeast." Doctoral thesis, Università degli Studi di Milano, 2018. http://hdl.handle.net/2434/556680.

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During mitosis the newly replicated genetic material, organized in sister chromatids, is equally subdivided into the daughter cells through a fine-regulated process called chromosome segregation. Sister chromatids are held together and identified as sisters by cohesin. At the metaphase-to-anaphase transition, when all chromatids are correctly attached to the spindle, cohesin is cleaved and chromosome segregation initiates. Beside cohesin, all linkages between sister chromatids need to be removed to allow for their complete separation. Additional linkages include DNA linkages (or sister chromat

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5

Saleh, Mahdi. "Contributions to High Range Resolution Radar Waveforms : Design of Complete Processing Chains of Various Intra-Pulse Modulated Stepped-Frequency Waveforms." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0024.

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Dans divers systèmes radar, un grand intérêt a été porté à la sélection d’une forme d’onde et à la conception d’une chaîne de traitement complète, de l’émetteur au récepteur, afin d’obtenir un profil distance haute résolution (HRRP, acronyme de High Range Resolution Profile en anglais). Au cours des dernières décennies, les concepteurs d’algorithmes de traitement du signal radar ont concentré leur attention sur différentes formes d’onde telles que les techniques de compression d’impulsion et les systèmes à bande synthétique (SF acronyme de stepped frequency, en anglais).D’une part, trois types

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6

Poltoratska, Iryna Verfasser], Peter von [Akademischer Betreuer] Neumann-Cosel, and Jochen [Akademischer Betreuer] [Wambach. "Complete dipole response in 208Pb from high-resolution polarized proton scattering at 0°. / Iryna Poltoratska. Betreuer: Peter von Neumann-Cosel ; Jochen Wambach." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2011. http://d-nb.info/1105562913/34.

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7

Poltoratska, Iryna [Verfasser], Peter von Akademischer Betreuer] Neumann-Cosel, and Jochen [Akademischer Betreuer] [Wambach. "Complete dipole response in 208Pb from high-resolution polarized proton scattering at 0°. / Iryna Poltoratska. Betreuer: Peter von Neumann-Cosel ; Jochen Wambach." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2011. http://nbn-resolving.de/urn:nbn:de:tuda-tuprints-26719.

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8

Trac, Steven Cy. "Robust Explicit Construction of 3D Configuration Spaces Using Controlled Linear Perturbation." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_dissertations/189.

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We present robust explicit construction of 3D configuration spaces using controlled linear perturbation. The input is two planar parts: a fixed set and a moving set, where each set is bounded by circle segments. The configuration space is the three-dimensional space of Euclidean transformation (translations plus rotations) of the moving set relative to the fixed set. The goal of constructing the 3D configuration space is to determine the boundary representation of the free space where the intersection of the moving set and fixed set is empty. To construct the configuration space, we use the co

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9

Nemati, Navid. "Syzygies : algebra, combinatorics and geometry." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS284.

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La régularité de Castelnuovo-Mumford est l'un des principaux invariants numériques permettant de mesurer la complexité de la structure des modules gradués de type fini sur des anneaux polynomiaux. Il mesure le degré maximal des générateurs des modules de syzygies. Dans cette thèse, nous étudions la régularité de Castelnuovo-Mumford avec différents points de vue et, dans certaines parties, nous nous concentrons principalement sur les syzygies linéaires. Dans le chapitre 2, nous étudions la régularité des homologies de Koszul et des cycles de Koszul de quotients unidimensionnels. Dans le chapitr

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10

Griffiths, Hywel David. "Nucleoprotein complexes in ColE1 dimer resolution." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268532.

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11

Eyono, Obono Séraphin Désiré. "Recherche efficace d'images morphiques de mots." Rouen, 1995. http://www.theses.fr/1995ROUE5014.

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Nous étudions dans cette thèse la recherche d'un motif homomorphe dans un texte et montrons que ce problème est NP-complet. Nous établissons une première classification des motifs: les motifs simples (ou motifs élémentaires) et les motifs non simples. Nous donnons une caractérisation de la rationalité des motifs simples. Nous proposons ensuite une classification des motifs simples selon leurs degrés, ainsi qu'un algorithme efficace de recherche dans un texte des images de tout motif de degré un ou deux, qui fait gagner, ou presque gagner, un ou deux degrés de complexité par rapport à l'algorit

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12

Yuan, Man. "A SIMD Approach To Large-scale Real-time System Air Traffic Control Using Associative Processor and Consequences For Parallel Computing." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1345058186.

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13

Walsh, M. A. "High resolution spectroscopy of weakley bound complexes." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382655.

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14

Low, Russell John. "High resolution spectroscopy of weakly bound molecular complexes." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296861.

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15

Lidija, Čomić. "Operators for Multi-Resolution Morse and Cell Complexes." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2014. https://www.cris.uns.ac.rs/record.jsf?recordId=84113&source=NDLTD&language=en.

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The topic of the thesis is analysis of the topological structure of scalar fields andshapes represented through Morse and cell complexes, respectively. This isachieved by defining simplification and refinement operators on thesecomplexes. It is shown that the defined operators form a basis for the set ofoperators that modify Morse and cell complexes. Based on the definedoperators, a multi-resolution model for Morse and cell complexes is constructed,which contains a large number of representations at uniform and variableresolution.<br>Тема дисертације је анализа тополошке структуре скаларних по

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16

Searle, M. S. "High resolution NMR studies of antifolate drug-receptor complexes." Thesis, Open University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484411.

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17

Pauley, Deanne Josephine. "High-resolution microwave spectroscopy of several weakly bound complexes." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185187.

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High resolution rotational spectra were obtained for a several weakly-bound complexes (WBC) and one transition metal organometallic molecule, cyclopentadienylnickel nitrosyl (CpNiNO), using pulsed-beam, Fourier transform microwave spectroscopy. The weakly-bound complexes included the two structural isomers of N₂O-HF, the planar bent asymmetric N₂O-HCN complex, the planar bent asymmetric N₂O-HCl complex, and the "stacked" H₂S-SO₂, and H₂S-CO₂ complexes. In all of the cases with the exclusion of the CpNiNO molecule, additional isotopic measurements were obtained to aid in the spectral and struct

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18

Mora, Joan Segura. "Improving the resolution of interaction maps : a middleground between high-resolution complexes and genome-wide interactomes." Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/4590/.

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Protein-protein interactions are ubiquitous in Biology and therefore central to understand living organisms. In recent years, large-scale studies have been undertaken to describe, at least partially, protein-protein interaction maps or interactomes for a number of relevant organisms including human. Although the analysis of interaction networks is proving useful, current interactomes provide a blurry and granular picture of the molecular machinery, i.e. unless the structure of the protein complex is known the molecular details of the interaction are missing and sometime is even not possible to

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19

Kondo, Hanae. "Spatio-temporal properties of membrane-localized actin nucleating complexes." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/289704.

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The actin cytoskeleton plays a vital role in various biological processes such as cell migration, morphogenesis, and intracellular trafficking. The polymerization of actin filaments at membranes provides the force for generating dynamic actin structures such as protrusions and invaginations that drive these processes. In filopodia, which are finger-like protrusions comprised of bundled actin filaments, actin regulatory proteins are believed to assemble a distal 'tip complex' which stimulates actin nucleation at the membrane. However how these regulators collectively behave in a macromolecular

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20

Kirby, Isabelle L. "Beyond standard resolution experimental structural studies of anion-receptor complexes." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/374802/.

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This thesis reports the anion recognition properties of a family of (thio)urea-based receptors and their anion-receptor complexes. A comprehensive, systematic structural analysis has been undertaken in the solid-state by single crystal X-ray and neutron diffraction experiments, complemented by proton NMR titration studies in solution. The experimental electron density distribution in a series of these complexes has then been modelled and analysed using the 'Quantum Theory of Atoms in Molecules' (QTAIM). Three modifications have been made to the complexes, with changes in anion type, receptor s

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21

Koleva, Mirella. "Super-resolution imaging of cell-surface Sonic hedgehog multimolecular signalling complexes." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24829.

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Sonic hedgehog is a fascinating protein with great responsibility over the formation and upkeep of our bodies. It is widely studied, not least because dysregulation of the Shh signalling pathway leads to repercussions on human health, such as contraction of cancer. Gaining an understanding of its signalling mechanism is central to inventing preventative measures and treatments against this disease. This thesis focuses on the study of the spatial organisation of Shh multimolecular signalling complexes on the surface of producing cells, and those dispatched in the vicinity of those cells, using

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22

Squibb, Adrian D. "The resolution and reactivity of phosphine-substituted diene complexes of iron." Thesis, Keele University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293968.

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23

Warnasooriya, Chandani Manoja. "Watching dynamics and assembly of spliceosomal complexes at single molecule resolution." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/33214.

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Splicing plays a major role in eukaryotic gene expression by processing pre-mRNA to form mature mRNA. Splicing is catalysed by the spliceosome; a ribonucleoprotein complex consisting of five small nuclear ribonucleoproteins (snRNPs) and over 100 proteins. Proper assembly of spliceosomal components is critical for its function, and thus assembly defects can be lethal. Several diseases have been associated with splicing defects, such as cancer (breast cancer, leukaemia), cystic fibrosis, duchenne muscular dystrophy (DMD), retinitis pigmentosa (RP) and taybi-linder syndrome (TALS). Studying the s

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24

Haines, Stephen Rushworth. "Phenol van der Waals complexes probed by high resolution threshold ionisation techniques." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323534.

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25

Lari, Federica. "Resolution of proteotoxic stress in the endoplasmic reticulum by ubiquitin ligase complexes." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:871e0484-3de4-4d0d-8206-4af16a8b743e.

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The eukaryotic endoplasmic reticulum (ER) is a multifunctional organelle, primarily responsible for the folding and maturation of secretory proteins, as well as lipid metabolism, calcium homeostasis, ubiquitin-dependent signalling and cell fate decisions. ER-associated degradation (ERAD) oversees protein folding and delivers misfolded proteins for degradation by the proteasome via ubiquitin conjugation mediated by RING-type E3 ubiquitin ligases. An intact ERAD is crucial to cellular homeostasis, as unresolved protein imbalances cause ER stress that ultimately lead to apoptosis. The human ER ac

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26

Vanfleteren, Thomas. "HIGH-RESOLUTION NEAR-INFRARED LASER SPECTROSCOPY OF AMMONIA- AND WATER-CONTAINING MOLECULAR COMPLEXES." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/258689.

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La caractérisation des complexes de van der Waals est déterminante pour la compréhension et la modélisation des atmosphères planétaires et du milieu interstellaire. Cependant, ces agrégats moléculaires sont assez peu étudiés, particulièrement dans l’infrarouge proche. Cette thèse a pour but d’enrichir les connaissances sur les complexes d’eau et d’ammoniac dans cette région spectrale. Pour cela, nous avons utilisé un montage expérimental appellé FANTASIO+, couplant une expansion su- personique à un spectromètre à temps de déclin (CRDS). Plusieurs complexes de van der Waals ont pu être observés

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27

Barkhuysen, Shani. "High resolution 195Pt and 119Sn NMR characterization of platinum(II)-tin(II) complexes." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17841.

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28

Höjer, Pontus. "Moving Away from Proximal Ligation to Study Higher Order Chromatin Complexes at High Resolution." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-250557.

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Genome organization is increasingly believed to influence and participate in gene regulation. Thestudy of the interactions that constitute this organization is increasingly performed using chromosomeconformation capture (3C) technologies. While good for the study of pairwise interactions betweenelements, higher order structures are inaccessible due to the use of proximal ligation to link elements.This thesis thus endeavored to develop a method to study these higher order structures in an effort tomove away from proximal ligation. Instead of pairwise linking interacting fragments through ligati

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29

Goodsell, L. S. "High resolution structural models of ribosome nascent chain complexes restrained by experimental NMR data." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1470654/.

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As understanding of the ways in which the complex cellular environment affects the in vivo folding of proteins improves, improved methods for their study are required. It is possible to produce limited quantities of ribosome-nascent chain complexes (RNCs) and techniques for gathering data about them are improving, but no single technique provides all the information required to understand folding of nascent proteins on the ribosome and there are still significant data that cannot be obtained experimentally. In particular, while NMR chemical shift and residual dipolar couplings may be recorded,

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30

Davies, Emma. "High-resolution atomic force microscopy and current-voltage characterisation of DNA and protein complexes." Thesis, Swansea University, 2006. https://cronfa.swan.ac.uk/Record/cronfa42320.

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Using the technique of non-contact atomic force microscopy (NC-AFM), the structural properties of DNA and protein complexes were studied at the singlemolecule level and at high-resolution. The electrical properties of these biomolecules were then investigated using an electrode setup. This work focussed on the visualisation of DNA strands, nucleosomes, PUT3 protein and DNA-PUT3 complexes and the effect of protein on the conductivity of DNA. NC-AFM experiments were performed in vacuum and results were compared to tappingmode AFM (TM-AFM) experiments performed in air. The detailed structure of D

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31

Lv, Dingding <1992&gt. "Non-covalent interactions in weakly bound molecular complexes: a high-resolution rotational spectroscopy study." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/10095/7/Dingding%20Lv%20Thesis%202022-03-21.pdf.

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My research interests during my doctoral years have been focused on high resolution rotational studies of molecules and weakly bound molecular complexes. Information on the molecular structure, internal motions and intermolecular interactions that can be obtained by applying suitable theoretical models to the analysis of these unusually complex spectra allows the determination and understanding of the driving forces involved in formation of the molecular complex. In this way, many types of non-covalent interactions have been characterized, from pure van der Waals interactions in complexes of r

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32

Mayberry, Darrell D. "Synthesis, Characterization, and Reactivity of Prochiral Ruthenium Clusters and Bimetallic Rhenium Complexes with an Unsymmetrical Diphosphine and Hard-Soft Donor Ligands." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1538707/.

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The reaction of [BrRe(CO)₄]₂ with 2-(diphenylphosphino)pyridine (PN) and 6-(diphenylphosphino)-2-formylpyridine (PON) was investigated. The reactions were regiospecific and exclusively produced the phosphorus-coordinated products, BrRe(CO)₄(κᵖ-PN) and BrRe(CO)₄(κᴾ-PON). The kinetics for the chelate ring closure (κᴾ→ κᴾᴺ) in BrRe(CO)₄(κᴾ-PN) were confirmed to occur by dissociative CO loss. The reaction of [BrRe(CO)₄]₂ with 2-(diphenylphosphino)pyridine (PN) was modeled computationally by DFT calculations. The preferred reaction pathway for the substitution reaction was determined to occur by di

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33

GAUDIN, ETIENNE. "Contribution de la programmation par contraintes au transport : definition et resolution d'un modele complexe de gestion de flotte." Paris 7, 1997. http://www.theses.fr/1997PA077219.

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L'objectif de cette these est de montrer que la programmation par contraintes, associee a une formalisation poussee et explicite des problemes, permet de traiter globalement la gestion de flotte de transport. Nous constatons que les modeles proposes en recherche operationnelle ne sont pas toujours suffisants pour traiter les problemes reels car ils se focalisent trop sur l'optimisation au detriment des aspects planification. Pour depasser ces limitations, un modele explicite de la gestion de flotte est propose. Il permet de decrire des actions complexes composees de mouvements, d'associations

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34

RUFF, MARC. "Le complexe trna#a#s#p-aspartyl trna synthetase : preparation et analyse de cristaux diffractant a haute resolution." Strasbourg 1, 1990. http://www.theses.fr/1990STR13025.

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Des methodes de purifications et de cristallisation d'un complexe nucleoproteique entre un trna et une aminoacyl-trna synthetase ont ete mises au point. Elles ont permis l'obtention reproductible de cristaux diffractant a haute resolution (2. 7 angstroms). Des donnees de diffraction de la forme native ont ete mesurees jusqu'a 3 angstroms de resolution. Le probleme de la phase a ete resolu par l'obtention de trois derives lourds. Une carte de densite electronique calculee a une resolution de 3. 8 angstroms permet deja de determiner la position du trna qui se presente sur la proteine par la face

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35

Belotto, Da Silva André Ricardo. "Resolution of singularities in foliated spaces." Phd thesis, Université de Haute Alsace - Mulhouse, 2013. http://tel.archives-ouvertes.fr/tel-00909798.

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Let M be an analytic manifold over the real or complex field, J be a coherent and everywhere non-zero ideal sheaf over M, E be a reduced SNC divisor and Θ an involutive singular distribution everywhere tangent to E. The main objective of this work is to obtain a resolution of singularities for the ideal sheaf J that preserves some ''good" properties of the singular distribution Θ. More precisely, the R-monomial property : the existence of local monomial first integrals. This problem arises naturally when we study the ''interaction" between a variety and a foliation and, thus, is also related w

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36

Shewring, J. R. "Development of luminescent transition metal complexes for correlative light and electron microscopy and super resolution microscopy." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19493/.

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Greguric, Ivan, University of Western Sydney, and of Informatics Science and Technology Faculty. "Molecular recognition of DNA by metal co-ordination complexes." THESIS_FIST_XXX_Greguric_I.xml, 1999. http://handle.uws.edu.au:8081/1959.7/328.

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This thesis reports the design, synthesis, optical resolution of polypyridyl metal complexes and their molecular recognition of DNA. These metal complexes have been synthesised to bind DNA intercalation in a sequence selective manner. Modifications have manipulated the intercalative segments to bind to DNA in a rigid fashion by appending chemical groups directly to the aromatic extensions of the fragment. Also the ancillary non-intercalative ligands comprised of either bidentates or tetradentates, have been specifically chosen to deliver appended groups along the DNA sugar phosphate backbone,

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Paganin, Matteo. "On some generalizations of Tate Cohomology: an overview." Pontificia Universidad Católica del Perú, 2016. http://repositorio.pucp.edu.pe/index/handle/123456789/97253.

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This paper is an overview of the developments and generalizations of Tate Cohomology. The number of such generalizations is high and the literature on many of them is vast. Hence, we do not pretend to give a complete account of all the branches that have developed from the original ideas of Tate. This is rather an overview of how the ideas developed.<br>Este artículo es una revisión del desarrollo y generalizaciones de la cohomología de Tate. El número de tales generalizaciones es alto y la literatura en torno a muchas de ellas es vasta. Por consiguiente, no pretendemos dar un recuento complet

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39

Garapin, Alexis. "Économie de la coordination dans la résolution d'un problème complexe : approche théorique et expérimentale." Grenoble 2, 1999. http://www.theses.fr/1999GRE21033.

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La these analyse les comportements d'equipes d'agents confrontees pour la premiere fois a un probleme complexe, et cherche a apprecier l'efficacite de ce comportement dans differents systemes incitatifs. Dans une premiere partie, un cadre d'analyse theorique du comportement de ces equipes d'agents est propose. Dans une seconde partie, une analyse experimentale est menee dans deux systemes incitatifs, afin d'evaluer des propositions theoriques et de comparer le comportement et l'efficacite des equipes. Le cadre d'analyse theorique propose est qualifie de "jeu de coordination logique". Dans ce j

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40

Olivant, Marie-Claire. "The resolution, structure and reactivity of (diene)Fe(CO)â†2L and (arene)Cr(CO)â†2L complexes." Thesis, Keele University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319027.

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41

Nimmagadda, Sri Krishna. "Asymmetric Transformations Catalyzed By Chiral BINOL Alkaline Earth Metal Phosphate Complexes." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6554.

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Small molecule hydrogen bond donors have emerged as versatile catalysts in asymmetric synthesis. Within this class, chiral BINOL phosphoric acid is regarded as one of the pioneer catalysts used in several asymmetric transformations. The ability of the catalyst to activate the substrates could be controlled in two different ways. (1) Dual activation/bifunctional activation of substrate by hydrogen bond interactions or ion pairing with phosphoric acid or (2) By forming chiral BINOL phosphate metal complex that could significantly alter the interactions in chiral space. In particular, chiral alka

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42

Ford, David Dearborn. "The Role of Catalyst-Catalyst Interactions in Asymmetric Catalysis with (salen)Co(III) Complexes and H-Bond Donors." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:11154.

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In asymmetric catalysis, interactions between multiple molecules of catalyst can be important for achieving high catalyst activity and stereoselectivity. In Chapter 1 of this thesis, we introduce catalyst-catalyst interactions in the context of the classic Kagan nonlinear effect (NLE) experiment, and present examples of the strengths and drawbacks of the NLE experiment. For the remainder of the thesis, we explore catalyst-catalyst interactions in the context of two different reactions. First, in Chapter 2, we apply a combination of reaction kinetics and computational chemistry to a reaction th

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SAIDI, MUSTAPHA. "Planification et explication du raisonnement d'un resolveur complexe en algebre : application aux factorisations de polynomes et aux resolutions d'equations." Paris 11, 1992. http://www.theses.fr/1992PA112365.

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L'objectif de cette recherche est la modelisation de processus de resolution de problemes mathematiques et d'explications ainsi que sur la mise en uvre de tels modeles dans des systemes informatiques. Le cadre general dans lequel nous nous placons est celui d'un agent cognitif communiquant avec un eleve dans differentes situations de resolutions de problemes. Deux modeles ont ete elabores, le modele mca (modele base sur des connaissances compilees en algebre) modelisant un agent resolveur et le modele mge (modele base sur une grammaire d'explication) modelisant un agent explicateur. Le modele

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44

Greguric, Ivan. "Molecular recognition of DNA by metal co-ordination complexes." Thesis, [Campbelltown, N.S.W.] : University of Western Sydney, Macarthur, Faculty of Informatics, Science and Technology, 1999. http://handle.uws.edu.au:8081/1959.7/328.

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This thesis reports the design, synthesis, optical resolution of polypyridyl metal complexes and their molecular recognition of DNA. These metal complexes have been synthesised to bind DNA intercalation in a sequence selective manner. Modifications have manipulated the intercalative segments to bind to DNA in a rigid fashion by appending chemical groups directly to the aromatic extensions of the fragment. Also the ancillary non-intercalative ligands comprised of either bidentates or tetradentates, have been specifically chosen to deliver appended groups along the DNA sugar phosphate backbone,

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45

Mehidi, Mohamed El Amine. "Coordination spatio-temporelle des regulateurs du reseau branche d’actine dans les structures motiles." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0385/document.

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La motilité cellulaire est un processus intégré essentiel à de nombreux phénomènes physiologiques tels que la formation du cône de croissance et la plasticité synaptique. Des dérégulations de la motilité cellulaire peuvent être à l’origine de la formation de métastases ou de pathologies neuropsychiatriques comme la schizophrénie et l'autisme. La compréhension des mécanismes régulant la migration cellulaire est donc un enjeu majeur. La motilité cellulaire repose sur la formation de diverses structures constituées de réseaux d’actine branchés telles que le lamellipode. La formation du lamellipod

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46

Gyawali, Prakash. "Terahertz spectroscopy of molecules and molecular complexes of atmospheric interest exhibiting large amplitude motions." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR071.

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L'atmosphère est composée d'un large éventail de molécules et d'espèces. Parmi celles-ci, la vapeur d'eau et ses complexes jouent un rôle important dans le phénomène du réchauffement de la planète et du changement climatique. L'analyse spectroscopique de ces complexes est essentielle pour comprendre divers processus atmosphériques. Cependant, les connaissances sur les complexes d'eau à faible liaison dans le domaine des ondes térahertz sont encore limitées en raison de leurs caractéristiques spectrales complexes et des défis expérimentaux. La complexité spectrale résulte souvent des mouvements

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47

Cercy, Maureen. "Organisation à l'échelle nanométrique du complexe régulateur de WAVE dans le lamellipode de cellule en migration." Electronic Thesis or Diss., Bordeaux, 2023. http://www.theses.fr/2023BORD0461.

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La motilité cellulaire est impliquée dans plusieurs fonctions biologiques critiques, et sa dérégulation peut conduire à des maladies graves comme le cancer. Il est donc essentiel d'étudier les mécanismes moléculaires qui régissent la formation des structures impliquées dans la motilité cellulaire. La première étape de la migration cellulaire de type mésenchymateuse est la formation du lamellipode, protrusion membranaire supportée par un réseau de filaments d’actine et propulsée vers l’avant par la polymérisation de l'actine. La coordination spatio-temporelle des régulateurs de l’actine dans le

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Bumgarner, Roger Eugene. "Microwave spectroscopy of weakly bound complexes and high resolution infrared studies of the nu(6) and nu(8) bands of formic acid." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184530.

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The first part of this dissertation covers the microwave spectroscopy of the weakly bound complexes HI-HF, H₂S-SO₂, Ar-H₂S, and N₂O-HF. These molecules were investigated using a Flygare-Balle type pulsed-beam Fabry-Perot Fourier-transform microwave spectrometer. The spectrometer and its construction are described. The HI-HF complex was found to be hydrogen bonded through the hydrogen of the HF. The hydrogen bond length was found to be 2.720A with a structure such that the monomer bonds form an acute angle of 70°. For H₂S-SO₂ a structure with a S-S distance of 3.67A and H-O distances of 3.1A wa

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Neff, Denis. "Complexes alleniques de cyclopentadienyle manganese dicarbonyle : acces aux allenes optiquement actifs, etude de photodecomplexations et syntheses de complexes difonctionnels." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13122.

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Bertram, Karl [Verfasser], Holger [Akademischer Betreuer] Stark, Reinhard [Gutachter] Lührmann, Henning [Gutachter] Urlaub, and Juliane [Gutachter] Liepe. "High-resolution structure determination of human spliceosome complexes by cryo-EM / Karl Bertram ; Gutachter: Reinhard Lührmann, Henning Urlaub, Juliane Liepe ; Betreuer: Holger Stark." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1178115836/34.

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