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Rozprawy doktorskie na temat „Model magnetic field”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Colbeck, H. "Magnetic field effects in model membrane systems." Thesis, University of Southampton, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382939.

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Zhang, Qi. "Magnetic Rendering: Magnetic Field Control for Haptic Interaction." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32613.

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As a solution to mid-air haptic actuation with strong and continuous tactile force, Magnetic Rendering is presented as an intuitive haptic display method applying an electromagnet array to produce a magnetic field in mid-air where the force field can be felt as magnetic repulsive force exerted on the hand through the attached magnet discs. The magnetic field is generated by a specifically designed electromagnet array driven by direct current. By attaching small magnet discs on the hand, the tactile sensation can be perceived by the user. This method can provide a strong tactile force on multip

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Bondarenko, I. S., О. Г. Аврунін, O. Gryshkov, et al. "Acoustomagnetic detection of magnetic nanoparticles in a model." Thesis, The International Journal of Artificial Organs, 2019. http://openarchive.nure.ua/handle/document/9878.

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Magnetic nanoparticles (MNPs) are used in medicine for targeted drug delivyry to the area of the cancer. The installation consists of the ultrasound generator, the permanent magnet, the glass containerwith the colloidal mixture, the multi-turn coil about of the glass tube and the voltmeter. The experimental result corrilates with the calculated ones. It is suggested that AMM can used to detect MNPs in the real biological substance.

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4

Craig, Samantha L. "Rubidium Oscillator Error Model for Specific Force and Magnetic Field Susceptibility." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398126124.

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Ronquillo, David Carlos. "Magnetic-Field-Driven Quantum Phase Transitions of the Kitaev Honeycomb Model." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587035230123328.

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6

Arceci, Luca. "Quantum solitons in the XXZ model with staggered external magnetic field." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7612/.

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The 1-D 1/2-spin XXZ model with staggered external magnetic field, when restricting to low field, can be mapped into the quantum sine-Gordon model through bosonization: this assures the presence of soliton, antisoliton and breather excitations in it. In particular, the action of the staggered field opens a gap so that these physical objects are stable against energetic fluctuations. In the present work, this model is studied both analytically and numerically. On the one hand, analytical calculations are made to solve exactly the model through Bethe ansatz: the solution for the XX + h staggere

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7

Meyer, Karen A. "A non-linear force-free field model for the solar magnetic carpet." Thesis, University of St Andrews, 2012. http://hdl.handle.net/10023/3114.

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The magnetic carpet is defined to be the small-scale photospheric magnetic field of the quiet Sun. Observations of the magnetic carpet show it to be highly dynamic, where the time taken for all flux within the magnetic carpet to be replaced is on the order of just a few hours. The magnetic carpet is continually evolving due to the Sun's underlying convection and the interaction of small-scale magnetic features with one another. Due to this, the small-scale coronal field of the magnetic carpet is also expected to be highly dynamic and complex. Previous modelling has shown that much of the flux

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8

KC, Prabhat. "3D Reconstruction of the Magnetic Vector Potential of Magnetic Nanoparticles Using Model Based Vector Field Electron Tomography." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/935.

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Lorentz TEM observations of magnetic nanoparticles contain information on the magnetic and electrostatic potentials of the sample. These potentials can be extracted from the electron wave phase shift by separating electrostatic and magnetic phase shifts, followed by 3D tomographic reconstructions. In past, Vector Field Electron Tomography (VFET) was utilized to perform the reconstruction. However, VFET is based on a conventional tomography method called filtered back-projection (FBP). Consequently, the VFET approach tends to produce inconsistencies that are prominent along the edges of the sam

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9

Yeates, Anthony Robinson. "Development and application of a global magnetic field evolution model for the solar corona." Thesis, University of St Andrews, 2009. http://hdl.handle.net/10023/734.

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Magnetic ﬁelds are fundamental to the structure and dynamics of the Sun’s corona. Observations show them to be locally complex, with highly sheared and twisted ﬁelds visible in solar ﬁlaments/prominences. The free magnetic energy contained in such ﬁelds is the primary source of energy for coronal mass ejections, which are important—but still poorly understood drivers of space weather in the near-Earth environment. In this thesis, a new model is developed for the evolution of the large-scale magnetic ﬁeld in the global solar corona. The model is based on observations of the radial magnetic ﬁeld

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10

Harbi, Hussein M. "2-D MODELING OF SOUTHERN OHIO BASED ON MAGNETIC FIELD INTENSITY, GRAVITY FILED INTENSITY AND WELL LOG DATA." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1125523809.

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Yeates, Anthony Robinson. "Development and application of a global magnetic field evolution model for the solar corona /." St Andrews, 2008. http://hdl.handle.net/10023/734.

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12

Witt, Annette, Jürgen Kurths, F. Krause, and K. Fischer. "On the validity of a model for the reversals of the Earth‘s magnetic field." Universität Potsdam, 1994. http://opus.kobv.de/ubp/volltexte/2007/1346/.

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We have used techniques of nonlinear dynamics to compare a special model for the reversals of the Earth's magnetic field with the observational data. Although this model is rather simple, there is no essential difference to the data by means of well-known characteristics, such as correlation function and probability distribution. Applying methods of symbolic dynamics we have found that the considered model is not able to describe the dynamical properties of the observed process. These significant differences are expressed by algorithmic complexity and Renyi information.

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13

Morschhauser, Achim [Verfasser], and Tilman [Akademischer Betreuer] Spohn. "A model of the crustal magnetic field of Mars / Achim Morschhauser ; Betreuer: Tilman Spohn." Münster : Universitäts- und Landesbibliothek Münster, 2017. http://d-nb.info/1142114457/34.

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14

Sinatra, Francy L. "Understanding the Interaction Between Blood Flow and an Applied Magnetic Field." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3518.

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Hemodynamic monitoring is extremely important in the accurate measurement of vital parameters. Current methods are highly invasive or noncontinuous, and require direct access to the patient’s skin. This study intends to explore the modulated magnetic signature of blood method (MMSB) to attain blood flow information. This method uses an applied magnetic field to magnetize the iron in the red blood cells and measures the disturbance to the field with a magnetic sensor [1]. Exploration will be done by experimentally studying in-vitro, as well as simulating in COMSOL the alteration of magnetic fie

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15

Nouri, Nima. "MAGNETIC FIELD NON-UNIFORMITY CHALLENGES IN NEUTRON ELECTRIC DIPOLE MOMENT EXPERIMENTS." UKnowledge, 2016. http://uknowledge.uky.edu/physastron_etds/38.

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A new neutron Electric Dipole Moment (nEDM) experiment was proposed to be commissioned at the Fundamental Neutron Physics Beamline at the Spallation Neutron Source (SNS) of the Oak Ridge National Laboratory (ORNL). The underlying theme of this experiment (first conceived by Golub and Lamoreaux in 1994) is the search for new physics beyond the Standard Model of particle physics. The discovery of a non-zero nEDM would be of revolutionary importance to physics, with the discovery of such providing for evidence for new-beyond-the-Standard-Model physics required for a resolution to the unresolved p

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16

Skoczelas, Brenda M. "A mathematical model for calculating the effect of toroidal geometry on the measured magnetic field." Muncie, Ind. : Ball State University, 2009. http://cardinalscholar.bsu.edu/714.

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17

Guray, Ersan. "A Study Of Natural Convection In Molten Metal Under A Magnetic Field." Phd thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607754/index.pdf.

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The interaction between thermal convection and magnetic field is of interest in geophysical and astrophysical problems as well as in metallurgical processes such as casting or crystallization. A magnetic field may act in such a way to damp the convective velocity field in the melt or to reorganize the flow aligned with the magnetic field. This ability to manipulate the flow field is of technological importance in industrial processes. In this work, a direct numerical simulation of three-dimensional Boussinesq convection in a horizontal layer of electrically conducting fluid confined between tw

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18

Tragtenberg, Marcelo Henrique Romano. "Estudo de modelos para sistemas modulados magnéticos e estruturais." Universidade de São Paulo, 1993. http://www.teses.usp.br/teses/disponiveis/43/43133/tde-12062012-140736/.

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Estudamos o comportamento de modelos para sistemas modulados magnéticos e estruturais. A primeira parte deste trabalho e dedicada ao modelo de Ising com interações competitivas numa rede de Bethe, no limite de coordenação infinita, num campo magnético. Focalizamos nossa atenção no comportamento das fases comensuráveis na presença de campo. Obtivemos vários diagramas T H utilizando algoritmos numéricos muito mais eficientes do que a simples iteração do mapeamento associado ao modelo. Na segunda parte estudamos o modelo

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19

Dadzis, Kaspars. "Modeling of directional solidification of multicrystalline silicon in a traveling magnetic field." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2013. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-117492.

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Melt flow plays an important role in directional solidification of multicrystalline silicon influencing the temperature field and the crystallization interface as well as the transport of impurities. This work investigates the potential of a traveling magnetic field (TMF) for an active control of the melt flow. A system of 3D numerical models was developed and adapted based on open-source software for calculations of Lorentz force, melt flow, and related phenomena. Isothermal and non-isothermal model experiments with a square GaInSn melt were used to validate the numerical models by direct vel

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20

Gupta, Aditya. "SIGNAL PROCESSING OF AN ECG SIGNAL IN THE PRESENCE OF A STRONG STATIC MAGNETIC FIELD." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2206.

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This dissertation addresses the problem of elevation of the T wave of an electrocardiogram (ECG) signal in the magnetic resonance imaging (MRI). In the MRI, due to the strong static magnetic field the interaction of the blood flow with this strong magnetic field induces a voltage in the body. This voltage appears as a superimposition at the locus of the T wave of the ECG signal. This looses important information required by the doctors to interpret the ST segment of the ECG and detect diseases such as myocardial infarction. This dissertation aims at finding a solution to the problem of elevati

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21

Bennett, Edmund. "Exotic order in magnetic systems from Majorana fermions." Thesis, University of St Andrews, 2016. http://hdl.handle.net/10023/9437.

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This thesis explores the theoretical representation of localised electrons in magnetic systems, using Majorana fermions. A motivation is provided for the Majorana fermion representation, which is then developed and applied as a mean-field theory and in the path-integral formalism to the Ising model in transversal-field (TFIM) in one, two and three dimensions, on an orthonormal lattice. In one dimension the development of domain walls precludes long-range order in discrete systems; this is as free energy savings due to entropy outweigh the energetic cost of a domain wall. An argument due to Pei

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22

Harapát, Jan. "Komplexní simulační model vibračního generátoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230987.

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This work is focusing on analysis of current development in energy harvesting projects in aerospace industry field, and on analysis of current development in vibration generator field. It is also concentrating on establishment of a complex simulation model of vibration generator. It deals with modeling of magnetic field of generator and its cross connection with a mechanic and an electronic model.

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23

Bartok, Andras. "A multiscale model for anisotropic magnetoresistance." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS094/document.

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La magnétorésistance anisotrope (AMR) des matériaux ferromagnétiques est largement utilisée comme le phénomène de base pour la mesure ou la détection de champ magnétique. En raison de la relation entre la configuration en domaines magnétiques et la résistivité macroscopique, l'application d'un champ magnétique externe modifie la résistivité des matériaux ferromagnétiques. Bien que cet effet soit largement utilisé dans des applications industrielles, certains aspects fondamentaux du comportement AMR sont encore assez mal compris. Par exemple, le rôle de la texture cristallographique dans le com

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24

Feng, Qiang. "Study of the three dimensional random field Ising model : magnetic X-ray and neutron scattering, magnetization, and heat capacity." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39766.

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25

Silva, Romero Tavares da. "ALEATORIEDADE EM MODELOS DE ISING." Universidade de São Paulo, 1993. http://www.teses.usp.br/teses/disponiveis/43/43133/tde-22052012-133450/.

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Na primeira parte deste trabalho propomos uma aproximacão de campo médio dinâmico para analisar modelos de Ising com elementos e aleatoriedade definidos por distribuicões de probabilidades discretas. Analisamos o modelo com campo aleatório (S = 1/2), com interações aleatórias (S = 1/2), com diluição de sítios (S = 1/2) e com anisotropia aleatória (S = 1), obtendo os respectivos diagramas de fases. Na segunda parte analisamos modelos de vidros de spin (S= 3/2) com anisotropia de campo cristalino. Estudamos o modelo de van Hemmen, e o modelo clássico à la Sherrington e Kirkpatrick dentro do e

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Tasnim, Samira. "Generalized Theory of the Solar Wind." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/16755.

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Development of a self-consistent theoretical model is of fundamental importance to the study of the solar wind. Such a model is necessary to understand the origin of the solar wind as well as observational and theoretical aspects. For instance, a complete description of the acceleration of solar wind particles, intrinsic velocity and magnetic field components, role of magnetic field in the solar wind's angular momentum loss, and so on has not yet been achieved. This thesis presents two data-driven solar wind models to provide more detailed pictures of the solar wind in the equatorial plane, to

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27

Gouveia, José Daniel Lago da Silva Neves. "Magnetic properties of quantum electronic systems with non-trivial geometries." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/21058.

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Doutoramento em Física<br>O modelo de Hubbard é um dos modelos mais simples para descrever o movimento e a interacção de electrões em sólidos. Tem sido largamente estudado pelas suas aplicações na descrição de condutores orgânicos e na procura de supercondutividade a cada vez mais altas temperaturas. O objectivo desta tese é contribuir para a melhor compreensão do comportamento do modelo de Hubbard a duas dimensões quando a geometria da rede é alterada, nomeadamente torcendo as condições de fronteira ou introduzindo frustração geométrica. Começa-se por fazer uma extensão do diagrama de

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28

Irrgang, Christopher [Verfasser]. "Characterization of oceanic signatures in the Earth's magnetic field in view of their applicability as ocean model constraints / Christopher Irrgang." Berlin : Freie Universität Berlin, 2017. http://d-nb.info/1137867795/34.

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29

Muniz, Jose. "MR analysis of structural contrast in a mouse model of attention deficit hyperactivity disorder as a function of magnetic field." Tallahassee, Fla. : Florida State University, 2008. http://purl.fcla.edu/fsu/lib/digcoll/undergraduate/honors-theses/341761.

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Thesis (Honors paper)--Florida State University, 2008.<br>Advisor: Dr. Samuel C. Grant, Florida State University, College of Engineering, Dept. of Chemical & Biomedical Engineering. Includes bibliographical references.

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Protopapadaki, Eftychia Sofia. "ZZ diboson measurements with the ATLAS detector at the LHC and study of the toroidal magnetic field sensors." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112233.

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Les particules élémentaires ainsi que leur interactions sont décrites par le Modèle Standard. Malgré son grand succès, il y a encore des questions à répondre. Dans cette thése, le processus du Modèle Standard ZZ, lorsque les deux bosons Z se désintègrent en paires de leptons, a été étudié. Les données utilisées ont été prises par le détecteur ATLAS durant l'année 2012, ce qui correspond à une luminosité intégrée de 20 fb-1. L'énergie dans le centre de masse était de 8 TeV. Tous les éléments de l'analyse sont présentés dans ce document: la sélection du signal et son efficacité, l'estimation du

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31

Cocchi, Luca <1978&gt. "Magnetic structural evidences of the 41(st) parallel zone (Tyrrhenian Sea) inferred from potential field data: the 3D model of the discontinuity." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/453/1/Tesi_Cocchi_XIX_ciclo.pdf.

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Cocchi, Luca <1978&gt. "Magnetic structural evidences of the 41(st) parallel zone (Tyrrhenian Sea) inferred from potential field data: the 3D model of the discontinuity." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/453/.

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Fages, Anne. "High-field NMR Metabonomics for Investigation of Cancer in Human Populations and Metabolic Perturbations in Model Systems." Thesis, Lyon, École normale supérieure, 2013. http://www.theses.fr/2013ENSL0876.

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La métabonomique est une approche de choix pour l’identification de biomarqueurs d’intérêts pour le diagnostic de pathologies mais aussi pour l’amélioration de notre compréhension des processus physiopathologiques. La métabonomique offre de nouvelles perspectives en épidémiologie moléculaire, objet principale de cette thèse. Nous avons appliqué l’approche métabonomique par RMN à haut champ à l’analyse de sérums sanguins issus de la cohorte prospective EPIC (European Prospective Investigation into Cancer and nutrition) dans le but d’identifier des biomarqueurs de la survenue du cancer du foie e

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34

Heil, Todd M. "An Investigation of the Structural and Magnetic Transitions in Ni-Fe-Ga Ferromagnetic Shape Memory Alloys." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/30231.

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The martensite and magnetic transformations in Ni-Fe-Ga ferromagnetic shape memory alloys are very sensitive to both alloy chemistry and thermal history. A series of Ni-Fe-Ga alloys near the prototype Heusler composition (X2YZ) were fabricated and homogenized at 1423 °K, and a Ni₅₃Fe₁₉Ga₂₈ alloy was subsequently annealed at various temperatures below and above the B2/L21 ordering temperature. Calorimetry and magnetometry were employed to measure the martensite transformation temperatures and Curie temperatures. Compositional variations of only a few atomic percent result in martensite start te

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35

Ghosh, Anusmriti. "Targeting delivery of magnetic aerosol particles to specific regions in the lung." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/117195/1/Anusmriti_Ghosh_Thesis.pdf.

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This thesis presents a comprehensive and advanced computational analysis of magnetic targeted drug delivery in the lung. The study developed a two-generation symmetric model of the lung and evaluated the maximum drug particle deposition in the lung targeted region. The newly developed framework has the potential to assist in understanding the deposition mechanism and targeted drug delivery for a range of lung diseases.

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36

Шилкова, Лариса Василівна. "Удосконалення проєктного аналізу електромагнітних параметрів та характеристик індукторів обертового магнітного поля для технологічної обробки різних речовин". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/49278.

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Дисертація на здобуття наукового ступеня доктора філософії за спеціальністю 141 – Електроенергетика, електротехніка та електромеханіка. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2020. Об'єктом дослідження є індуктори обертового магнітного поля для технологічної обробки різних речовин. Предметом дослідження є електромагнітні параметри та характеристики індукторів обертового магнітного поля. Дисертація присвячена вирішенню актуального наукового завдання з удосконалення проєктного аналізу електромагнітних параметрів в режимі неробочого ходу і характеристи

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Schoene, Jens. "Analysis of parameters of rocket-triggered lightning measured during the 1999 and 2000 Camp Blanding experiment and modeling of electric and magnetic field derivatives using the transmission line model." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE1000160.

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Thesis (M.S.)--University of Florida, 2002.<br>Title from title page of source document. Document formatted into pages; contains viii, 184 p.; also contains graphics. Includes vita. Includes bibliographical references.

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Thiemig, Denny. "Investigation on the Mechanism of Electrocodeposition and the Structure-Properties Correlation of Nickel Nanocomposites." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1233867286851-43268.

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There is an increasing interest in nanostructured and nanocomposite surface finishings for automotive and aerospace applications. The widespread applicability of these novel materials is based on their unique mechanical, physical, and chemical properties. An advantageous production method is the electrocodeposition (ECD) process from metal plating baths containing dispersed nanoparticles. By using this technique, a broad range of substrate sizes and shapes can be coated cost-effectively. However, the prediction of the amount as well the distribution of nanoparticles within the metal film fails

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Son, Hungsun. "Effects of magnetic field models on control of electromagnetic actuators." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/26616.

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Thesis (Ph.D)--Mechanical Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Lee, Kok-Meng; Committee Member: Bill Singhose; Committee Member: David G. Taylor; Committee Member: Eric Johnson; Committee Member: Nader Sadegh. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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40

Colclough, Giles. "Methods for modelling human functional brain networks with MEG and fMRI." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:ef1dc66e-f142-4cdc-8177-5d040c94b964.

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MEG and fMRI offer complementary insights into connected human brain function. Evidence from the use of both techniques in the study of networked activity indicates that functional connectivity reflects almost every measurable aspect of human reality, being indicative of ability and deteriorating with disease. Functional network analyses may offer improved prediction of dysfunction and characterisation of cognition. Three factors holding back progress are the difficulty in synthesising information from multiple imaging modalities; a need for accurate modelling of connectivity in individual sub

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Bernardes, Luiz Antonio Bastos. "Estudo das propriedades termodinâmicas do modelo de Ashkin-Teller na presença de campo magnético aleatório." Universidade de São Paulo, 1995. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-07012009-101710/.

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A teoria de campo médio para o modelo de Ashkin-Teller com interações ferromagnéticas de longo alcance na presença de campos magnéticos aleatórios foi desenvolvida. Isso foi conseguido através do uso do truque de réplicas para a obtenção da energia livre e do estudo analítico das equações integrais acopladas dos parâmetros de ordem, da estabilidade de suas soluções e das suas expansões para T &#8804 Tc. Inicialmente, foram determinadas as expressões gerais das funções termodinâmicas do modelo no caso em que existiam três campos magnéticos aleatórios com distribuições gaussianas. Em seguida, fo

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Thiemig, Denny. "Investigation on the Mechanism of Electrocodeposition and the Structure-Properties Correlation of Nickel Nanocomposites." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23897.

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There is an increasing interest in nanostructured and nanocomposite surface finishings for automotive and aerospace applications. The widespread applicability of these novel materials is based on their unique mechanical, physical, and chemical properties. An advantageous production method is the electrocodeposition (ECD) process from metal plating baths containing dispersed nanoparticles. By using this technique, a broad range of substrate sizes and shapes can be coated cost-effectively. However, the prediction of the amount as well the distribution of nanoparticles within the metal film fails

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Sadauskas, Tomas. "Tiesiaeigio asinchroninio variklio magnetinio lauko imitacija." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060623_095632-82775.

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In this thesis is investigated how magnetic field varies at different instants of time in the air gap of linear induction motor and outside of it. The are given results of simulation, which show the change of magnetic flux at different instants of time of linear induction motor in the air gap, outside the inductors, also magnetic flux dependencies on air gap width. Two models of linear induction motor with secondary element and without it are compared.

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Scharlemann, Carsten A. "Investigation of thrust mechanisms in a water fed pulsed plasma thruster." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1070354149.

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Kureckas, Tadas. "Elektromagnetinio žingsninio variklio tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2005. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20050620_161707-93753.

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Analysis of electromagnetic stepper motor at work have been performed. Types of stepper motors and its characteristics have been described generally. The programmes of modelling have been searching using internet and analysed. The programme QuickField 5.2 Studen‘s edition is in consort to demands and requests. Using QuickField 5.2 Student‘s edition the model of electromagnetic motor have been created and experimentations have been performed. Varying displacement of motor magnetic part the distribution of magnetic flux density and magnetic field lines have been analysed. The experimentations in

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Mukherjee, G. K. "The utility of quantitive magnetospheric magnetic field models." Thesis, IIG, 1986. http://localhost:8080/xmlui/handle/123456789/1559.

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Giagkiozis, Ioannis. "Axisymmetric MHD modes in twisted magnetic fields." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19956/.

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Vortex flows in the solar atmosphere may contribute significantly to the energy flux requirements for heating the quiet Sun atmosphere. This thesis presents evidence that the expected number of vortices in the solar photosphere is significantly larger than estimated and most importantly their lifetime is, in the mean, much shorter than previously believed. This suggests that vortex flows are highly dynamic and that their formation and dissolution is highly temporally localised. The measurements and statistics that support this evidence were made possible by use of an automated vortex identific

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Чуніхін, Костянтин Вадимович. "Магнітне поле електромагнітів систем керування космічними апаратами". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42300.

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Дисертація на здобуття наукового ступеня кандидата технічних наук (доктора філософії) за спеціальністю 05.09.05 «Теоретична електротехніка». – Державна установа «Інститут технічних проблем магнетизму Національної академії наук України». Національний технічний університет «Харківський політехнічний інститут» Міністерство освіти і науки України, Харків, 2019. Дисертація присвячена удосконаленню математичної моделі магнітного поля електромагнітів постійного струму систем керування космічними апаратами з урахуванням неоднорідності намагнічування осердь циліндричної та складної форми. Через обмежен

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Spagnolo, Silvia. "High frequency magnetic activities in a reversed-field pinch plasma." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422922.

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This thesis reports the research work performed during the three years of my Ph.D. course at the Physics Department ''Galileo Galilei'' of the Università di Padova. Most of my research activity has been carried out at the Consorzio RFX, located inside the Consiglio Nazionale delle Ricerche (CNR) area of Padova, where operates the Reversed Field eXperiment, namely RFX-mod, the largest fusion experiment currently operating in the Reversed-Field Pinch (RFP) configuration. The RFP, together with the Tokamak and the Stellarator, is one of the main configurations used to confine a plasma in a tor

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Beiki, Majid. "New Techniques for Estimation of Source Parameters : Applications to Airborne Gravity and Pseudo-Gravity Gradient Tensors." Doctoral thesis, Uppsala universitet, Geofysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-143015.

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Gravity gradient tensor (GGT) data contains the second derivatives of the Earth’s gravitational potential in three orthogonal directions. GGT data can be measured either using land, airborne, marine or space platforms. In the last two decades, the applications of GGT data in hydrocarbon exploration, mineral exploration and structural geology have increased considerably. This work focuses on developing new interpretation techniques for GGT data as well as pseudo-gravity gradient tensor (PGGT) derived from measured magnetic field. The applications of developed methods are demonstrated on a GGT d

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