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Dissertations / Theses on the topic 'Insulation characteristic'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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1

Aouachria, Zéroual. "L'Eolienne Savonius : comportements mécanique et aérodynamique." Aix-Marseille 1, 1987. http://www.theses.fr/1987AIX11062.

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Methode experimentale de mesure des pressions parietales d'un rotor, a axe vertical, de type savonius en rotation. Les resultats obtenus ont ete utilises dans un modele de calcul afin de determiner les parametres mecaniques c::(m)et c::(p) de la machine. Determination des coefficients de trainee et de portance ainsi que du comportement vibratoire du rotor sous l'effet des forces aerodynamiques. Correlation du champ des pressions d'aube avec le systeme des emissions tourbillonnaires engendrees par l'eolienne en rotation. Etude de dispositifs de suspension de type "pilotis" destines a isoler, en
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2

Zhang, Hui. "Aging characteristics of solid polymeric materials used for electrical insulation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0018/MQ52685.pdf.

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3

Kouadria, Djilali. "The ageing and breakdown characteristics of electrical machine insulation materials." Thesis, University of Brighton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264002.

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4

Hayakawa, N., S. Ueyama, H. Kojima, F. Endo, T. Masuda, and M. Hirose. "Electrical Insulation Characteristics of HTS Cables Under Quench-Induced Thermal Stress Condition." IEEE, 2007. http://hdl.handle.net/2237/9462.

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5

Zhou, JianBin. "Electrical Characteristics of Aged Composite Insulators." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/16086/1/JianBin_Zhou_Thesis.pdf.

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Composite insulators are widely being used in power industry to alternate traditional porcelain-based insulators for their advantages, including better pollution performance, low maintenance cost, light weight, compact line design. However, due to the short application history and experience, the degradation of composite insulators in natural environment is a big concern for the power utilities. The knowledge on the degradation of composite insulators is being studied world wide. The methods to assess the working conditions of composite insulators are being studied and created. In Queensland
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6

Zhou, JianBin. "Electrical Characteristics of Aged Composite Insulators." Queensland University of Technology, 2003. http://eprints.qut.edu.au/16086/.

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Composite insulators are widely being used in power industry to alternate traditional porcelain-based insulators for their advantages, including better pollution performance, low maintenance cost, light weight, compact line design. However, due to the short application history and experience, the degradation of composite insulators in natural environment is a big concern for the power utilities. The knowledge on the degradation of composite insulators is being studied world wide. The methods to assess the working conditions of composite insulators are being studied and created. In Queensla
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7

Wang, Mengguang. "The electrical breakdown characteristics of oil/paper insulation under fast front impulse voltages." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30108.

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Gas Insulated Substation (GIS) and Gas Insulated Transmission Line (GITL) have found broad application in power system over the last twenty years. Disconnect switch operations in this equipment causes transient voltages with rise times as fast as 5 to 20 nanoseconds and magnitudes as high as 2.5 pu. There is very little information on the effect of these transients on oil/paper insulated equipment connected to the GIS and GITL. There have been reports of transformer and bushing failures which may have been caused by these transients. In the investigation reported in this thesis, the electrica
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8

Dinse, Brian P. "Silicon-on-insulator MOSFETS : material, process and device characteristics /." Online version of thesis, 1994. http://hdl.handle.net/1850/12193.

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9

Mansour, D. A., T. Okusu, K. Nishizawa, et al. "Comparison of Partial Discharge Characteristics for Different Defect Types in SF6 Gas Insulation System." IEEE, 2008. http://hdl.handle.net/2237/12057.

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10

Norton, Andrew Jonathan. "The life cycle assessment and moisture sorption characteristics of natural fibre thermal insulation materials." Thesis, Bangor University, 2008. https://research.bangor.ac.uk/portal/en/theses/the-life-cycle-assessment-and-moisture-sorption-characteristics-of-natural-fibre-thermal-insulation-materials(c43f38ae-3eb2-4d1d-8d64-be790ed3f71b).html.

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A comparative Life Cycle Assessment (LCA) was performed on two natural fibre thermal insulation products made from hemp and sheep wool and a benchmark mineral wool product. The assessment revealed both advantages and some disadvantages with the natural fibre materials. A major finding was the particularly low or absent impact in terms of global warming potential shown by the natural fibre materials. This was caused by the renewable carbon sequestered in the material withdrawing carbon dioxide from the atmosphere. With regard to the end of the product life, the study showed that only a proporti
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11

Chigusa, S., N. Hayakawa, and H. Okubo. "Static and dynamic breakdown characteristics of liquid helium for insulation design of superconducting power equipment." IEEE, 2000. http://hdl.handle.net/2237/6761.

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12

Abideen, Amar. "Dielectric Response and Partial Discharge Characteristics of Stator Winding Insulation System with SiC Stress Grading." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-284502.

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The typical construction of a stator coil includes the use of end corona protection (ECP)coating, which is made of semi-conductive materials like silicon carbide (SiC). Thepurpose of ECP is to smooth the electric stress distribution near the slot exit, limitingthe electric field and partial discharge (PD) activity within the insulation system. Thisthesis investigates how ECP affects the dielectric response of a stator coil in highvoltagemeasurements, both in the time-domain and frequency-domain. It also studieshow well time-domain results transformed to the frequency-domain correspond to direc
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13

Chen, Jue. "Shielding characteristics of a commercial 19-inch rack-based cabinet." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.mst.edu/thesis/pdf/Chen_09007dcc803e6a55.pdf.

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Thesis (M.S.)--University of Missouri--Rolla, 2007.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed February 5, 2008) Includes bibliographical references (p. 82).
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14

Bandaru, Sreekanth. "Effect of high frequency pulse voltages and high temperature on the lifetime characteristics of magnet wires." Master's thesis, Mississippi State : Mississippi State University, 2004. http://library.msstate.edu/etd/show.asp?etd=etd-05132004-135217.

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15

Mugala, Gavita. "Influence of the semi-conducting screens on the wave propagation characteristics of medium voltage extruded cables." Licentiate thesis, KTH, Electrical Systems, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1537.

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16

Okubo, H., M. Nagino, H. Kojima, N. Hayakawa, T. Takahashi, and K. Yasuda. "Impulse and ac PD inception characteristics of LN/sub 2//polypropylene laminated paper composite insulation system." IEEE, 2005. http://hdl.handle.net/2237/6830.

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17

Hayakawa, N., T. Kobayashi, M. Hazeyama, T. Takahashi, K. Yasuda, and H. Okubo. "Partial discharge inception characteristics of LN/sub 2//polypropylene laminated paper composite insulation system for high temperature superconducting cables." IEEE, 2005. http://hdl.handle.net/2237/6846.

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18

Okubo, Hitoshi, Naoto Koshino, and Naoki Hayakawa. "Electrical insulation characteristics of CO/sub 2/ and CO/sub 2/ gas mixtures under non-uniform electric field." IEEE, 2003. http://hdl.handle.net/2237/6819.

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19

Li, Yalong. "Research on the decomposition characteristics and biosafety of C5F10O/N2/O2 mixed insulating gas." Electronic Thesis or Diss., Orléans, 2023. http://www.theses.fr/2023ORLE1050.

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Dans ce travail de thèse de doctorat, des études expérimentales et théoriques sont réalisées sur les caractéristiques de décomposition du mélange gazeux C5F10O/N2/O2 à l'interface gaz-solide de matériaux métalliques et sous l'action d'une décharge électrique dans un appareil de coupure électrique. La faisabilité et la sécurité de son utilisation sont évaluées en combinaison avec la biosécurité du gaz C5F10O et des produits de décomposition du gaz plasmagène. Compte tenu du contact long entre le mélange gazeux C5F10O/N2/O2 et les matériaux internes de l'équipement de coupure électrique pendant
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20

Ye, Fanchao. "Fault decomposition characteristics and application feasibility assessment of C4F7N-CO2-O2 mixed insulating gas." Electronic Thesis or Diss., Orléans, 2023. http://www.theses.fr/2023ORLE1030.

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Dans ce travail de doctorat, une étude théorique et expérimentale systématique a été menée sur l'isolation du mélange de gaz C4F7N-CO2-O2 respectueux de l'environnement et ses caractéristiques de décomposition et de biosécurité sous défauts électriques et thermiques. Sur la base de la méthode de dynamique moléculaire ReaxFF, le processus de décomposition thermique du mélange gazeux sous différentes teneurs en O2 et températures est simulé. En combinant les résultats simulés avec des essais de décomposition thermique, le processus cinétique de décomposition thermique du mélange gazeux et le méc
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21

Hammal, Redouane. "Décharges partielles dans les condensateurs tout-film imprégnés." Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10006.

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Les decharges partielles ont ete mesurees sur des modeles de condensateurs tout-film dont le dielectrique est du polypropylene (pp) impregne. Ces cellules ont ete alimentees en haute tension alternative. L'influence de l'epaisseur de dielectrique ou des armatures ainsi que les effets de la temperature et du vieillissement ont ete examines. Les representations n() et q#m#o#y() du nombre et de l'amplitude des decharges dans la phase de la tension alternative servent a caracteriser la source de ces decharges : decharges en bord d'armature dans un modele de condensateur sans defaut ou decharges ge
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22

Okubo, H., M. Hazeyama, N. Hayakawa, S. Honjo, and T. Masuda. "V-t characteristics of partial discharge inception in liquid nitrogen/ PPLP/sup /spl reg// composite insulation system for HTS cable." IEEE, 2002. http://hdl.handle.net/2237/6762.

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23

Weerasinghe, Hasitha C. "Electrical characterization of metal-to-insulator transition in iron silicide thin films on sillicone substrates." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001677.

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24

Buska, Andrius. "The influence of macrostructure and other physical characteristics on compressive parameters of mineral wool products." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100622_150124-54739.

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The dissertation investigates the influence of macrostructure and other physical properties on mineral wool compressive parameters. The subject of the research is rigid mineral wool products. In the dissertation is described developed a more accurate methodology for the identification of the macrostructure of mineral wool in accordance with the directionality of fibre arrangement, which allows determine and predict the compressive strength through macrostructure and other parameters. Analyzed the strength parameters (compression stress at 10% deformation and point load at 5 mm deformation) of
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25

Yang, Zhijun. "Numerical Study on the Characteristics of Metal Insulator Metal Diode Integrated with Spiral Optical Antenna." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1386242290.

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26

Melton, Steven Allen. "Cryogenic temperature characteristics of bulk silicon and Silicon-on-Sapphire devices." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/14864.

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Master of Science<br>Department of Electrical and Computer Engineering<br>William Kuhn<br>Studies of Silicon-on-Sapphire (SOS) CMOS device operation in cryogenic environments are presented. The main focus was to observe the characteristic changes in high, medium and low threshold SOS NFETs as well as SOS silicide blocked (SN) resistors when the operational temperature is in the devices’ freeze-out range below 77 Kelvin. The measurements taken will be useful to any integrated circuit (IC) designer creating devices based on an SOS process intended to operate in cryogenic environments such a
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27

Yi, Xiao. "Characteristics of creepage discharges along ester-pressboard interfaces under AC stress." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/characteristics-of-creepage-discharges-along-esterpressboard-interfaces-under-ac-stress(73749539-3231-467e-b5ee-1c7aa6eaabe8).html.

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Ester liquids including natural ester and synthetic ester are considered as potential substitutes for mineral oil, due to their good biodegradability and high fire points. Although these liquids have been widely used in distribution and traction transformers, research efforts are required for the purposes of design and manufacture of high voltage and large power transformers which are filled by esters. Indeed, it would be risky to apply esters in large power transformers without thorough understandings of their behaviours in large gaps and/or when combined with pressboard insulation. Therefore
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28

Výskala, Miloslav. "Modelování a simulace projektů zlepšujících tepelně-technické vlastnosti budov." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-234556.

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This doctoral thesis deals with the modelling of projects improving the thermal technical characteristics of buildings. The solution of this problem seems to be finding at least one cost-effective option. The basic method of evaluation of cost-effectiveness is represented by the compilation of all corresponding cash flows and their rendering in time through discounting. The aim of the docáral thesis is the processing and modeling of individual investment options related with improve the thermal-technical properties of buildings and finding a cost-optimal variants, ideally. One of the expected
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29

Tsuchiya, Kenji, Hitoshi Okubo, Tsugunari Ishida, Hidenori Kato, and Katsumi Kato. "Influence of Surface Charges on Impulse Flashover Characteristics of Alumina Dielectrics in Vacuum." IEEE, 2009. http://hdl.handle.net/2237/14600.

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30

Krishnan, Subramanian. "Design, fabrication and characterization of thin-film M-I-M diodes for rectenna array." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000451.

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31

Figueiredo, Mariangela Tassinari de. "Resolução numérica de equações de transporte de cargas elétricas através de isolantes." Universidade de São Paulo, 1988. http://www.teses.usp.br/teses/disponiveis/54/54132/tde-18052007-164709/.

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Apresentamos alguns métodos numéricos para a resolução das equações hiperbólicas que regem problemas de transporte de cargas elétricas em isolantes, aplicando-os a quatro problemas específicos: injeção de corrente por um contato ôhmico em uma amostra com voltagem constante aplicada; transporte de um pulso de cargas através de uma amostra em circuito aberto; transporte de um pulso de cargas através de uma amostra submetida a uma diferença de potencial constante (tempo de vôo); e, finalmente, descarga termo-estimulada em circuito aberto. Empregamos, basicamente, dois tipos de métodos: caracterís
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32

Li, Yu-Ku. "Study of the influence of altitude on the characteristics of the electrical arc on polluted ice surface = L'étude de l'influence de l'altitude sur les caractéristiques de l'arc électrique à la surface de glace polluée /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2002. http://theses.uqac.ca.

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33

Reichert, Günter. "Étude en haute température des transistors MOS submicroniques fabriqués sur silicium isolant." Grenoble INPG, 1998. http://www.theses.fr/1998INPG0044.

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L'objetctif de cette these est la caracterisation et la modelisation des transistors mos-soi completement depletes dans la gamme des hautes temperatures (25c - 300c). Le premier chapitre est un bref rappel des principaux avantages de la technologie soi pour des applications hautes temperatures. Une relation entre les modeles empirique et physique de la mobilite effective des porteurs est etablie dans le deuxieme chapitre. Cette relation explique le role de trois principaux mecanismes de collisions dans le modele empirique ainsi que la variation de ses parametres avec la temperature. Le troisie
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34

Faccio, Federico. "Étude des transistors MOS avancés sur silicium sur isolant (SOI) : bruit, dégradation en environnement radiatif et applications." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0174.

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Nous avons etudie la performance analogique et le comportement en environnement radiatif de la technologie durcie hsoi3-hd en vue d'applications pour l'electronique du lhc, futur accelerateur de particules du cern. Cette technologie cmos sur soi n'est pas sensible au latch-up et son seuil de sensibilite pour l'alea logique (seu) est tres eleve. Nous avons mesure et analyse les effets de la dose integree sur les caracteristiques statiques des transistors, et verifie que le durcissement jusqu'a 25 mrad est satisfaisant pour les applications visees. Les effets des irradiations avec protons et neu
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35

Rauly, Emmanuel. "Modélisation et simulation numérique des propriétés électriques des transistors MOS-SOI avancés." Grenoble INPG, 1999. http://www.theses.fr/1999INPG0016.

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Cette these a pour but de mettre en evidence et de mieux comprendre a l'aide de la simulation numerique et de la modelisation analytique les principaux phenomenes physiques pouvant se produire dans les transistors mos-soi sub-0. 1 m. Le premier chapitre est une introduction sur les phenomenes existant dans les transistors mos-soi partiellement et completement desertes et/ou a film extremement mince de silicium. Dans ce chapitre, on detaille aussi le fonctionnement du logiciel (atlas) ainsi que les differents modeles existants. Le deuxieme chapitre est une etude approfondie des effets lies a l'
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Carbonell, Cortés Carla. "Customizing a low temperature system for microwave transmission measurements. Quantum transport in thin TiN films and nanostructures." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/83635.

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The work presented in this thesis consists of two distinct parts. The first years of my work focused on the development and improvement of a new equipment built to study magnetic and electrical properties, particularly applying microwaves in reflection and transmission conditions. The sample space in conventional cryostats with superconducting magnets is usually smaller than 10-mm-diameter. Our equipment consists of a hollow cylindrical cryostat having a 33-mm-diameter hole all along its vertical axis. These characteristics enable the measurement of large samples and the use of big resonant
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37

Lefort, Thibaut. "Réseaux époxy/liquide ionique avec et sans anhydride : Etude des mécanismes de polymérisation et des propriétés diélectriques." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI126.

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Les liquides ioniques (LIs) sont des sels à faible température de fusion (plus petit 100 °C). Ils disposent généralement de bonnes stabilités thermique et chimique ainsi qu’une haute conductivité ionique. Ces propriétés les rendent par exemple intéressants en tant que lubrifiant, électrolyte ou additif en sciences des polymères. Dans le cadre de cette thèse, les liquides ioniques sont proposés comme alternative aux problématiques d’accumulation de charges au sein d’un isolant composite à base époxy pour postes sous enveloppe métallique (PSEM) sous haute tension en courant continu (HVDC). Une a
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38

Bouchikhi, Benachir. "Propriétés physiques des structures métal/isolant/semiconducteur réalisées sur INP(N) à l'aide d'un oxyde natif plasma." Nancy 1, 1988. http://www.theses.fr/1988NAN10085.

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On aborde 3 aspects : la passivation du phosphorure d'indium dans un plasma RF d'oxygène, la caractérisation électrique des structures MIS élaborées à l'aide des mesures (C-V), (G-V) et d'autres mesures de spectrométries de niveaux profonds (DLTS-DDLTS), et l'élaboration du schéma équivalent de la structure MIS
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39

Кошлак, Г. В. "Розвиток наукових основ утилізації відходів теплових електричних станцій для зменшення техногенного навантаження на довкілля". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2016. http://elar.nung.edu.ua/handle/123456789/4807.

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Дисертацію присвячено теоретичному узагальненню нового вирішення важливої прикладної наукової проблеми утилізації промислових відходів теплових електричних станцій для зменшення техногенного навантаження на довкілля на прикладі впливу Бурштинської ТЕС на територію Галицького району. У роботі досліджено якісний і кількісний вплив забруднень відходами Бурштинської ТЕС на екологічний стан довкілля. На основі отриманих даних запропоновані нові технології утилізації відходів Бурштинської ТЕС. Розроблено технологію рекультивації золовідвалів. Експериментально та теоретично обґрунтовано нові техноло
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40

Faynot, Olivier. "Caractérisation et modélisation du fonctionnement des transistors MOS ultra-submicroniques fabriqués sur films SIMOX très minces." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0121.

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Ce memoire est consacre a la caracterisation et a la modelisation des transistors mos fabriques sur des films simox tres minces. Dans le premier chapitre, outre l'orientation de la microelectronique, nous detaillons l'interet potentiel que peut susciter la technologie soi pour les applications basse-tension. Ensuite, nous analysons les phenomenes de couplage d'interfaces apparaissant dans deux types de conduction de transistors totalement desertes: la conduction par canal d'inversion et la conduction par canal d'accumulation. Puis, les effets de canaux courts sont etudies dans l'objectif d'opt
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41

Jomaah, Jalal. "Propriétés électriques et modèles physiques des composants mos/soi (simox) à température ambiante et cryogénique." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0152.

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L'objectif de cette these est d'etudier les composants mos des technologies silicium sur isolant (soi) dans une large gamme de temperature pour caracteriser et modeliser les mecanismes physiques specifiques de ces transistors en vue d'applications conventionnelles et a basse temperature (cryomicroelectronique). Une synthese des techniques pour la realisation de l'isolation dielectrique est d'abord presentee, puis l'interet de telles structures est rappele. Le deuxieme chapitre est relatif au comportement des principaux parametres electriques des tmos en fonction de la temperature t, de l'ambia
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42

Svoboda, Lukáš. "Studie snížení energetické náročnosti bytového domu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226693.

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The goal of the thesis is firstly to get all the information about the initial state of solved block of flats, which is located on the street Merhautova 76/954 in Brno – Černá pole, in terms of constructions, energy consumption and initial state of heating system. In the second part of the thesis, where are discussed the possibilities of reduction of energy consumption, variant drafts of reduction of energy consumption and their financial costs and the choice of optimal variant. Third part deals with assement of solved block of flats in terms of sustainable built environment by using tool to r
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43

Ionescu, Adrian M. "Modèles et méthodes associes a la caractérisation électrique du tmos : application aux technologies SOI." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0009.

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Les modeles et les methodes associees a la caracterisation electrique du tmos et particulierement, leur application aux technologies soi constituent l'objet de ce travail. Le premier chapitre est consacre a l'analyse du fonctionnement electrique du tmos/silicium massif ; nous proposons une expression unifiee en inversion faible, moderee et forte, pour le courant de drain, en regime lineaire, et son application a l'extraction de la tension de seuil. On analyse aussi l'influence des polarisations sur la sensibilite du tmos utilise comme capteur de champ magnetique. Le developpement theorique et
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Hénaux, Stéphane. "Contribution à l'amélioration des méthodes de caractérisation électrique des matériaux Silicium Sur Isolant (SOI)." Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10116.

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L'essor actuel des technologies soi est lie a la production d'un materiau de depart de qualite, dont le juge final est le comportement electrique des circuits integres. Cette these decrit des ameliorations et de nouvelles idees pour l'evaluation des proprietes electriques des materiaux soi. Les methodes presentees sont appliquees en priorite au nouveau materiau unibond. Nous donnons d'abord une vue d'ensemble des technologies soi et des methodes de caracterisation disponibles. Nous exposons ensuite notre contribution en commencant par la mesure electrique d'epaisseur du film de silicium dans u
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Behera, S. S. "Partial discharge characteristic of electrical trees in polymeric cable insulation." Thesis, 2014. http://ethesis.nitrkl.ac.in/6174/1/E-38.pdf.

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The growth mechanism of electrical tree in high voltage and extra high voltage dielectric system is needed for early identification, in order to resist the complete insulation failure. In power system equipment, electrical tree formation prevention is very much crucial for reliable and long term operation of cable section. There are so many varieties of electrical tree structure can formed from a weak region or a imperfection site in cable insulation viz branch-type trees, bush-type trees and bush-branch type trees depending on the voltage applied. Electrical treeing was developed in a needle-
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CHEN, CHENG-HO, and 陳正和. "Development and Design of Monitoring System for Characteristic of Insulation Deterioration of Material in High Voltage Equipment." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/52c98x.

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碩士<br>中華大學<br>電機工程學系<br>106<br>Insulation degradation is a vital problem for high voltage equipment. What makes electrical insulation go bad and cause Insulation Degradation? There are so many reasons that can make Insulation Degradation happen, such as Partial Discharge、mechanical damage、electrical stress、vibration、excessive heat or cold、dirt、oil、corrosive vapors、moisture from processes and humidity on a foggy day. Partial Discharge (PD) behavior is considered to be one of the major contributors to the insulation degradation and failure of insulation system in electrical assets. In power supp
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Liu, Yan-Kuan, and 劉彥寬. "Investigations for the moisture barrier and thermal insulation characteristic of silicon dioxide film on cyclo olefin copolymer substrate." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/652ahf.

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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所<br>95<br>Plastic substrate for flat-panel-display is flexible, light weight, and sustainable to bending deflection, and is a candidate to substitute the glass substrate. However, use of flexible plastic substrate in flat panel display manufacturing encountered two challenges: 1. moisture contents and permeations through the substrate for plastic materials are higher than glass substrate; 2. plastic substrates can’t sustain high processing temperatures. In this thesis, a silicon dioxide thin-film layer is deposited on the cyclo olefin copolymer (COC) substrate to in
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Xie, Ming-Yue, and 謝明岳. "Study of High Voltage Insulator with the Characteristics of Nanofilled Insulation Composite." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/52770253382567482201.

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碩士<br>國立聯合大學<br>電機工程學系碩士班<br>104<br>In power systems, insulators can ensure the isolation between the transmission line and the ground, therefore the stability of the power systems is closed related to the insulation characteristics of insulators. Insulation characteristics of the insulators mainly depend on the material used in insulator manufacturing, the shape design of the insulators and the coating conditions on the surface of insulators. In addition to the traditional porcelain insulators, the polymer insulators are also widely used in power systems. The contour design can improve the ta
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Wu, Kuan-Yi, and 吳冠億. "The Flashover Characteristics of Insulating Insulator of Overhead Transmission Systems." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/37328877131886719228.

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碩士<br>中原大學<br>電機工程研究所<br>90<br>Insulating insulators are used for insulation of overhead transmission lines and their supporting tower for power delivery. Due to Taiwan surrounded by sea, highly developed in industry, and major power delivery equipments located along coastal areas, the insulators are frequently subjected to pollution from NaCl-fog and dust-fog, and suspended solid particles. Electric arc and flashover often occur on the contaminated insulators. The failure of the insulators usually results in blackout of either local area or whole area along the power transmission. Therefore,
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Tarng, Ming-Jhih, and 唐明志. "Sound Insulation Characteristics of Honeycomb Sandwich Panels." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/62847748383507787574.

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碩士<br>國立臺灣大學<br>工程科學及海洋工程學研究所<br>93<br>The purpose of this research is to discuss the sound insulation characteristics of honeycomb sandwich panel. At first, the sandwich panel is made of layered media and the center core was regarded as an elastic porous material. Thus, the Biot theory could be employed to analyze the waves propagated in fluid saturated porous material. The transfer matrix for waves propagated between two ends of the sandwich panel was established. The combination of these related matrices can be applied to evaluate the transmission loss. To order to verify the present method
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