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Dissertations / Theses on the topic 'Migration and lithium'

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1

Tian, Guiying [Verfasser], and H. [Akademischer Betreuer] Ehrenberg. "Study on lithium ion migration in the composite solid electrolyte for lithium metal batteries / Guiying Tian ; Betreuer: H. Ehrenberg." Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1177147157/34.

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2

Naudin, Coralie. "Étude par spectroscopies infrarouge et Raman des composants d'un accumulateur lithium-métal polymère." Bordeaux 1, 2002. http://www.theses.fr/2002BOR12579.

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L'objet de ce travail est de caractériser les différents constituants d'un accumulateur modèle [ Li / POEnLiTFSI / V2O5] et d'analyser quelques aspects de son comportement en cours de onctionnement. Des expériences de spectroélectrochimie utilisant la Microspectromètrie Raman Confocale (MRC) ont permis de mesurer la diffusion du sel dans l'électrolyte polymère [poly(oxyde d'éthylène)-LiTFSI] et de mettre en évidence les gradients de concentration en sel qui s'établissent lors de la décharge de l'accumulateur. Le même type d'approche spectroélectrochimique a permis de suivre les transitions de
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3

Williams, Sky Barrington. "Use of Stable Isotope and Trace Metal Signatures to Track the Emigration of Female Blue Crabs, Callinectes sapidus, from Tampa Bay." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4853.

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The blue crab, Callinectes sapidus, supports a successful fishery in the Atlantic Ocean and throughout the Gulf of Mexico, with a total landing of 8,158,788 lb. and a total value of $10,562,128 for the state of Florida during 2012 (FWC 2012 Annual Landings Summary). An accurate and comprehensive understanding of the blue crab's life history and seasonal migration behavior is essential in defining effective management strategies for the fishery. Tag recapture studies and ultrasonic tracking methods for studying blue crab migrations are costly in terms of time and resources. In this study an alt
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4

Psaltis, Steven Timothy Peter. "Multicomponent charge transport in electrolyte solutions." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/60964/1/Steven_Psaltis_Thesis.pdf.

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The work presented in this thesis investigates the mathematical modelling of charge transport in electrolyte solutions, within the nanoporous structures of electrochemical devices. We compare two approaches found in the literature, by developing onedimensional transport models based on the Nernst-Planck and Maxwell-Stefan equations. The development of the Nernst-Planck equations relies on the assumption that the solution is infinitely dilute. However, this is typically not the case for the electrolyte solutions found within electrochemical devices. Furthermore, ionic concentrations much hig
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5

Guillemard, Iris. "Change and continuity in the lithic technologies from Final to Ceramic Final Later Stone Age,Limpopo Basin, South Africa." Thesis, Paris 10, 2020. http://www.theses.fr/2020PA100111.

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L’Holocène récent d’Afrique australe (4000 BP – 19ème siècle) est une période marquée par des changements sociaux et économiques. A partir d’il y a environ deux mille ans, l’apparition du mouton domestiqué et de la poterie au sein de sites Later Stone Age (LSA), traditionnellement associés aux chasseurs-cueilleurs, marque le commencement de divers processus de néolithisation. Le bassin de la rivière Limpopo est une région particulièrement intéressante pour l’étude de ces processus. Ce bassin est en effet une voie de migration majeure où se côtoient des populations variées, généralement qualifi
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6

Penny, Melissa. "Mathematical modelling of dye-sensitised solar cells." Queensland University of Technology, 2006. http://eprints.qut.edu.au/16270/.

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This thesis presents a mathematical model of the nanoporous anode within a dyesensitised solar cell (DSC). The main purpose of this work is to investigate interfacial charge transfer and charge transport within the porous anode of the DSC under both illuminated and non-illuminated conditions. Within the porous anode we consider many of the charge transfer reactions associated with the electrolyte species, adsorbed dye molecules and semiconductor electrons at the semiconductor-dye- electrolyte interface. Each reaction at this interface is modelled explicitly via an electrochemical equation, res
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7

Rocca, Roxane. "Peut-on définir des aires culturelles au Paléolithique inférieur ? : originalité des premières industries lithiques en Europe centrale dans le cadre du peuplement de l’Europe." Thesis, Paris 10, 2013. http://www.theses.fr/2013PA100060.

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Les modèles de diffusion de l’Homme hors d’Afrique considèrent que les premiers groupes humains ont peuplés l’Europe selon deux vagues correspondant chacune à une culture technique différente. Les premiers peuplements, qui remonte au million d’année et se caractérisent par des productions d’éclats, associée à des outils sur galet. La deuxième vague serait porteuse de l’Acheuléen, puisque les premières industries comprenant des bifaces en Europe sont datées à 0,6 millions d’année. Mais les données présentes en Europe centrale ont bien du mal à entrer dans ce cadre théorique. Pourtant sur le che
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8

Penny, Melissa. "Mathematical modelling of dye-sensitised solar cells." Thesis, Queensland University of Technology, 2006. https://eprints.qut.edu.au/16270/1/Melissa_Penny_Thesis.pdf.

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This thesis presents a mathematical model of the nanoporous anode within a dyesensitised solar cell (DSC). The main purpose of this work is to investigate interfacial charge transfer and charge transport within the porous anode of the DSC under both illuminated and non-illuminated conditions. Within the porous anode we consider many of the charge transfer reactions associated with the electrolyte species, adsorbed dye molecules and semiconductor electrons at the semiconductor-dye- electrolyte interface. Each reaction at this interface is modelled explicitly via an electrochemical equation, res
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9

Bernert, Constantin. "Untersuchung photorefraktiver Materialien mittels optischer Ptychographie." Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-216063.

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In der vorliegenden Arbeit wird die neuartige Mikroskopiemethode der Ptychographie für die Untersuchung photorefraktiver Materialien genutzt. Photorefraktive Materialien zeichnen sich durch die Generation lichtinduzierter Brechungsindexänderungen aus. Die Ptychographie bietet die Möglichkeit, neben der generierten Brechungsindexänderung im photorefraktiven Material auch die für die Generation genutzte Intensitätsverteilung des Laserstrahls zu bestimmen. Es wird sowohl die Abhängigkeit der Brechungsindexänderung von der Zeit der Generation als auch die Abhängigkeit von der Polarisation des Lase
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10

Caux, Solène. "Du territoire d'approvisionnement au territoire culturel : pétroarchéologie et techno-économie du silex Grain de mil durant l’Aurignacien dans le Sud-ouest de la France." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0153/document.

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La caractérisation des matières premières lithiques est un important moyen d’étude des territoires paléolithiques, permettant d’inférer les modes de déplacement et d’organisation des groupes humains. Le Bassin aquitain est une des provinces archéologiques les mieux documentées d’Europe. Pourtant, certains matériaux depuis longtemps reconnus au sein des collections archéologiques, restent mal identifiés (origine géographique, unicité…). C’est en particulier le cas d’un type de silex dénommé « Grain de mil » par les préhistoriens. Pour combler cette lacune, ce travail s’organise en deux temps :-
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11

Wu, Shang-chien, and 吳尚謙. "Accelerate Lithium Migration Technique on the rebar and the bond strength between rebar and concrete,investigate accelerate Lithium Migration Technique engineering application." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/98742549024370506662.

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碩士<br>國立中央大學<br>土木工程研究所<br>98<br>The scope of this research are: (1) investigate the influence of ALMT on the rebar and the bond strength between rebar and concrete; (2) ALMT system impedance to analyze the reasons, and research suppression strategy; (3) assessment of specimen length on the power effectiveness of the impact; (4) discussed ALMT feasibility of practical applications. Test result showed ALMT increased compressive strength of concrete, and the bond strength of steel. If the rebar was used as cathode will cause additional secondary rebar brittle and the increase in the steel around
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12

HSU, CHIA-YING, and 許家瑛. "Effect of aggregate amount on lithium migration incement mortar." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/17904922703187889065.

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碩士<br>國立高雄應用科技大學<br>土木工程與防災科技研究所<br>97<br>This study investigated the changes in the proportion of aggregates size and silica fume to replace the part of cement, to Accelerated Lithium Migration Technique (ALMT) to use with the ASR the effects of cation transport behavior. Mortar test w/c is fixed at 0.5, change the aggregates, the adjusted ratio of eight 0,10,20,30,40,50,60 and 70; to replace the ratio of change the silica fume, the adjustment to replace of such as three kinds 0.5 and 10%, the 60% of aggregates. The results showed that after the electrify, the voltage reduces first then incr
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13

Werth, Vanessa, Mazharul M. Islam, Kai Volgmann, Paul Heitjans, and Thomas Bredow. "Evaluation of Density Functional Theory for Lithium Ion Migration in 1T-LiTiS2." 2017. https://ul.qucosa.de/id/qucosa%3A31622.

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14

Hu, Jhih Yuan, and 胡志遠. "The Practical Application of Two-Dimensional Electric Field Accelerated Lithium Migration Technique." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/zs37xf.

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碩士<br>國立高雄應用科技大學<br>土木工程與防災科技研究所<br>102<br>This research discusses the practical application simulation of 2-D Accelerated Lithium Migration Technique (ALMT), and the inhibited performance of ASR for different electrode design. To simulate three types of electrode module using in practical application: face-face, face-line, and line-line. To adjust the alkali content of concrete using NaOH to 1.25% Na2Oeq. After one month curing at room temperature, then proceed the 60 V constant voltage ALMT test for one month. LiNO3 and LiOH.H2O solutions are used as anolyte, and using two kinds of concentra
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15

Wiedemann, Dennis, Suliman Nakhal, Bernhard Stanje, Oleksandr Dolotko, Martin Wilkening, and Martin Lerch. "The Elusive LiBi3S5: Synthesis, Characterization, and Topological Analysis." 2017. https://ul.qucosa.de/id/qucosa%3A31624.

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16

Li, Chun-chieh, and 黎俊傑. "Effect of The Percolated Interfacial Transition Zone on The Lithium Migration of Cement-Based Materials." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/69177309110026541243.

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碩士<br>國立高雄應用科技大學<br>土木工程與防災科技研究所<br>95<br>The research is to syudy that circular cylinder aggregates by AAR is installed in varying w/c ratio of cement materials. Driving force of Li+、Na+ and K+ is observed that pore affect of cement materials in an electrical field. two series of experiments (fixed volume fraction with varying total lateral surface area of aggregate, and fixed total lateral surface area varying volume fraction of aggregate) were performed in this study .The results show that Li+、Na+ and K+ as driving force increases with an increase in the ratio ; fixed volume fraction with v
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17

Matthes, Christoph. "Synthese von Amino- bzw. Hydrazinosilanen und -boranen, Lithiumsalzen, Iminoborenen und Borkationen." Doctoral thesis, 2008. http://hdl.handle.net/11858/00-1735-0000-0006-ACA9-7.

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18

Gustafsson, Gillbrand Patrik. "Stenbruk : Stenartefakter, råmaterial och mobilitet i östra Mellansverige under tidig- och mellanmesolitikum." Licentiate thesis, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-35782.

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This thesis examines artefacts, raw materials and lithic technology between c. 9200–6200 cal BC in Eastern Central Sweden. The overall purpose of this study is to investigate when people first came to Eastern Central Sweden and where they came from. More precisely, it provides a typological, geo­graphical and chronological survey of artefacts and the use of different raw materials. The study deals with assemblages with artefacts from more than thirty archaeologically excavated sites and loose finds in Eastern Central Sweden. The objects consist of chubby pecked axes, core axes, flake axes, sha
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19

Bernert, Constantin. "Untersuchung photorefraktiver Materialien mittels optischer Ptychographie." Master's thesis, 2016. https://tud.qucosa.de/id/qucosa%3A30065.

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In der vorliegenden Arbeit wird die neuartige Mikroskopiemethode der Ptychographie für die Untersuchung photorefraktiver Materialien genutzt. Photorefraktive Materialien zeichnen sich durch die Generation lichtinduzierter Brechungsindexänderungen aus. Die Ptychographie bietet die Möglichkeit, neben der generierten Brechungsindexänderung im photorefraktiven Material auch die für die Generation genutzte Intensitätsverteilung des Laserstrahls zu bestimmen. Es wird sowohl die Abhängigkeit der Brechungsindexänderung von der Zeit der Generation als auch die Abhängigkeit von der Polarisation des Las
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