To see the other types of publications on this topic, follow the link: Lead crystals.

Dissertations / Theses on the topic 'Lead crystals'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Lead crystals.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

Brown, Stephen James. "The Czochrlaski growth and characterisation of single crystals of lead molybdate." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364392.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Iwanaga, Masanobu. "Spontaneous Dissociation of Excitons in Lead Halide Crystals." Kyoto University, 2003. http://hdl.handle.net/2433/148943.

Full text
Abstract:
Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第10306号<br>人博第193号<br>14||157(吉田南総合図書館)<br>新制||人||48(附属図書館)<br>UT51-2003-H727<br>京都大学大学院人間・環境学研究科環境相関研究専攻<br>(主査)教授 林 哲介, 教授 宮本 嘉久, 教授 後藤 喬雄<br>学位規則第4条第1項該当
APA, Harvard, Vancouver, ISO, and other styles
3

Hale, Penny. "The effect of lead on gold single crystals." Thesis, Hale, Penny (2001) The effect of lead on gold single crystals. PhD thesis, Murdoch University, 2001. https://researchrepository.murdoch.edu.au/id/eprint/52708/.

Full text
Abstract:
The nature of the interaction between gold and solutions containing lead has been investigated. An ultra high vacuum system was adapted for use with an electrochemical chamber. Glassware was designed and a process developed to ensure the clean gold surface remained clean enough for analysis during its exposure to solutions. Underpotential deposition was utilised to deposit small quantities of lead onto a gold single crystal surface. The deposited layers were analysed using Low Energy Electron Diffraction and X-ray Photoelectron Spectroscopy. A new structure, c(2x2), was discovered during t
APA, Harvard, Vancouver, ISO, and other styles
4

Ramachandran, Vasuki. "Luminescence spectra of lead tungstate, spodumene and topaz crystals." Thesis, University of Sussex, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249387.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Burnett, Timothy Laurence. "Growth and charaterisation of bismuth ferrite lead titanate single crystals." Thesis, University of Leeds, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487709.

Full text
Abstract:
Bismuth ferrite lead titanate (BFPT) shows potential in high temperature piezoelectric and ferroelectric applications as well in the emerging field of multiferroic research. Single crystals of (BFPT) have been grown for the first time using the flux growth method.
APA, Harvard, Vancouver, ISO, and other styles
6

Nedfors, Nils. "Characterization of lead tungstate crystals optical properties for CERN CMS ECAL." Thesis, Linköping University, Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-16595.

Full text
Abstract:
<p>The Large Hadron Collider (LHC) at CERN have a capacity to produce protonproton collisions with an energy of 14 TeV. Four particle detectors are included in the LHC with the purpose to detect all the particles that are created in the collisions. In one of these detectors are scintillating lead tungstate crystals used, to detect the energy of photons and electrons created in the collisions. The energy is detected by measuring of the emitted light from the scintillating crystals. As much knowledge as possible about the optical properties of the crystals are desired to be able to analyze the a
APA, Harvard, Vancouver, ISO, and other styles
7

Nguyen, Thi Huyen Trang. "Optical and spin properties of 3D methylammonium lead iodine single crystals." Electronic Thesis or Diss., université Paris-Saclay, 2025. http://www.theses.fr/2025UPAST002.

Full text
Abstract:
Les pérovskites halogénées (PHs) sont apparues comme une nouvelle classe de matériaux semiconducteurs très prometteurs pour des applications en photovoltaïque et optoélectronique. Ces matériaux présentent des propriétés remarquables telles qu'un long temps de vie et une importante longueur de diffusion des porteurs de charge malgré une densité de défauts élevée. Cependant, l'origine physique de la tolérance aux défauts des PHs est encore très débattue. Une meilleure compréhension de la nature et de l'impact des défauts est encore nécessaire pour optimiser les dispositifs. De plus, de part nota
APA, Harvard, Vancouver, ISO, and other styles
8

Luo, Chengtao. "Structural Study of Heterogeneous States in Lead-free NBT-based Single Crystals." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/73690.

Full text
Abstract:
Growing environmental concerns, coupled with increasing regulatory restrictions, are requiring industries to develop non-lead-based compositions of ferroelectric and piezoelectric materials. These materials—now widely used in sensors, actuators, and transducers—are for the most part lead-based compounds such as Pb(Zr,Ti)O3 (PZT). Indeed, PZT represents the dominant market share for use in these technologies. Moreover, next generation compounds, which include Pb(Mg1/3Nb2/3)O3-xat%PbTiO3 (PMN-x%PT) crystals with ultrahigh piezo-/electromechanical properties, are also Pb-based systems and thus ar
APA, Harvard, Vancouver, ISO, and other styles
9

Tonn, Justus [Verfasser], and Arne [Akademischer Betreuer] Cröll. "Growth and characterisation of lead iodide single crystals = Züchtung und Charakterisierung von Bleiiodideinkristallen." Freiburg : Universität, 2012. http://d-nb.info/1122592302/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Ryan, Matthew John. "Light collection uniformity of lead tungstate crystals for the CMS electromagnetic calorimeter endcaps." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412448.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

Nasser-Rafi, Rahbar. "FLUID FLOW AND PERMEABILITY OF SOLIDIFYING LEAD-20 WEIGHT PERCENT TIN ALLOYS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275244.

Full text
APA, Harvard, Vancouver, ISO, and other styles
12

Edström, Daniel. "Study of Radiation Damage of Lead Tungstate Crystals in the Context of CMS ECAL." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-67520.

Full text
Abstract:
The Large Hadron Collider, LHC, at CERN is capable of producing proton-proton collisions at a total energy of 14 TeV. Four principal detectors are installed in the LHC to detect the various particles created in the collisions. In one of these detectors, the CMS, scintillating crystals of lead tungstate are utilized to convert the energy of electromagnetic particles to visible light. Due to the high amount of radiation in the detector, the performance of the crystals may degrade during the lifetime of the detector. In this work, crystals such as the ones used in the CMS detector are irradiated
APA, Harvard, Vancouver, ISO, and other styles
13

McLeod, Elaine Mary. "An investigation of lead tungstate crystals for use in the compact muon solenoid at the large hadron collider." Thesis, Imperial College London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413758.

Full text
APA, Harvard, Vancouver, ISO, and other styles
14

Rafiq, Muhammad Asif. "Electromechanical properties of engineered lead free potassium sodium niobate based materials." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/14182.

Full text
Abstract:
Doutoramento em Ciência e Engenharia de Materiais<br>K0.5Na0.5NbO3 (KNN), is the most promising lead free material for substituting lead zirconate titanate (PZT) which is still the market leader used for sensors and actuators. To make KNN a real competitor, it is necessary to understand and to improve its properties. This goal is pursued in the present work via different approaches aiming to study KNN intrinsic properties and then to identify appropriate strategies like doping and texturing for designing better KNN materials for an intended application. Hence, polycrystalline KNN cerami
APA, Harvard, Vancouver, ISO, and other styles
15

Liu, Hairui [Verfasser], Jürgen [Akademischer Betreuer] Rödel, Mario [Akademischer Betreuer] Maglione, Wolfgang [Akademischer Betreuer] Donner, and Hans-Joachim [Akademischer Betreuer] Kleebe. "Growth and Characterization of Lead-free (K,Na)NbO3-based Piezoelectric Single Crystals / Hairui Liu ; Jürgen Rödel, Mario Maglione, Wolfgang Donner, Hans-Joachim Kleebe." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2016. http://d-nb.info/1122286198/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
16

So, Tak-keung Anthony. "Release of lead from ceramic foodware and crystal glassware /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18736075.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

French, Kyle J. "Growth of Optical Quality Lead Magnesium Niobate-Lead Titanate Thick Films." University of Dayton / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1575993750125728.

Full text
APA, Harvard, Vancouver, ISO, and other styles
18

So, Tak-keung Anthony, and 蘇德強. "Release of lead from ceramic foodware and crystal glassware." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31253878.

Full text
APA, Harvard, Vancouver, ISO, and other styles
19

Li, Wensheng. "Dielectric properties and defects structure of lead tungstate crystal." HKBU Institutional Repository, 2000. http://repository.hkbu.edu.hk/etd_ra/222.

Full text
APA, Harvard, Vancouver, ISO, and other styles
20

Yang, Tiebin. "Interfacial Engineering of Thin Single-Crystal Lead Halide Perovskites for High-Performance Optoelectronic Devices." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/28205.

Full text
Abstract:
Metal halide perovskites have demonstrated great potential in energy and optoelectronic device applications, due to their excellent optoelectronic properties. Among all the forms of halide perovskites, single crystals have attracted increasing research interest because of their longer carrier diffusion length, larger charge carrier mobility, and superior stability. However, the practical applications for the bulk perovskite crystals have been limited because of their large thickness and the difficulty of integration. In this regard, searching for the approaches to develop the high-quality hali
APA, Harvard, Vancouver, ISO, and other styles
21

Ma, King-man Simon. "Surface structure determination by Patterson inversion of multi-incidence leed IV-curves /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23621783.

Full text
APA, Harvard, Vancouver, ISO, and other styles
22

Li, Zheng Ph D. Massachusetts Institute of Technology. "Photonic crystal enhanced LED for electroluminescence cooling." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108997.

Full text
Abstract:
Thesis: S.M., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 97-102).<br>An light-emitting diode (LED) consumes low-entropy electrical power and emits incoherent photons. In this process, the lattice heat also contributes to the output power if the LED operates at voltages below the photon energy (qV < h[omega]). Therefore, an LED can potentially cool itself, and the phenomenon is referred to as electroluminescence cooling (ELC). Although researchers recently re
APA, Harvard, Vancouver, ISO, and other styles
23

OLIVEIRA, ICIMONE B. de. "Desenvolvimento e caracterizacao do detector semicondutor de iodeto de chumbo." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10897.

Full text
Abstract:
Made available in DSpace on 2014-10-09T12:45:16Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:09:48Z (GMT). No. of bitstreams: 1 07289.pdf: 1409533 bytes, checksum: ae80bf28ff4706eac9069ba157863cf9 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP<br>FAPESP:98/05254-9
APA, Harvard, Vancouver, ISO, and other styles
24

Ma, King-man Simon, and 馬勁民. "Surface structure determination by Patterson inversion of multi-incidence LEED IV-curves." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31226486.

Full text
APA, Harvard, Vancouver, ISO, and other styles
25

Mienko, Marek. "Tiled photoluminescent liquid crystal displays using LED illumination." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616175.

Full text
APA, Harvard, Vancouver, ISO, and other styles
26

Li, Shuo. "Multiple-LED color-sequential liquid crystal on silicon projector /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?ECED%202008%20LIS.

Full text
APA, Harvard, Vancouver, ISO, and other styles
27

Zai, Marvin Ho-Ming. "Chemical synthesis of lead zirconate titanate thin films for a piezoelectric actuator." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367760.

Full text
APA, Harvard, Vancouver, ISO, and other styles
28

Song, Weihong. "A real space approach to LEED computation with flexible local mesh refinement." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B39849004.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Song, Weihong, and 宋慰鴻. "A real space approach to LEED computation with flexible local mesh refinement." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B39849004.

Full text
APA, Harvard, Vancouver, ISO, and other styles
30

Graham, Douglas Jonathan. "Lead tungstate crystal electromagnetic calorimeter in CMS at the large Hadron collider and consequences for physics performance." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300087.

Full text
APA, Harvard, Vancouver, ISO, and other styles
31

BALDOCHI, SONIA L. "Sintese e crescimento de cristais de BaLiFsub3 puros e dopados com Pb." reponame:Repositório Institucional do IPEN, 1993. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10336.

Full text
Abstract:
Made available in DSpace on 2014-10-09T12:37:29Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:27Z (GMT). No. of bitstreams: 1 02033.pdf: 7170847 bytes, checksum: 0f6482c59ed081703c64e988f898b301 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
APA, Harvard, Vancouver, ISO, and other styles
32

Reeve, William Francis. "Structural study of the ferroelectric materials PbNb₂O₆ and PbTa₂O₆." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301253.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Gong, Jicheng. "Microstructural features and mechanical behaviour of lead free solders for microelectronic packaging." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/15102.

Full text
Abstract:
The demands for high density, fine pitch interconnections in electronics systems has seen solder-based approaches for such interconnections miniaturized to the scale of tens of micro meters. At such a small scale, such 'micro joints' may contain only one or a few grains and the resultant mechanical behaviour may not be that for a polycrystalline aggregate, but rather for a single crystal. Since the ~-Sn matrix of SnAgCu solder has a contracted body-centred tetragonal (BCT) structure, such a solder grain is expected to demonstrate a considerably anisotropic behaviour. In such cases the reliabil
APA, Harvard, Vancouver, ISO, and other styles
34

Peacock, Graham. "Enhanced cold-side cooling techniques for lean burn combustor liners." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12329.

Full text
Abstract:
In order to meet the increasingly strict emissions targets required in modern civil aviation, lean burn combustors are being pursued as a means to reduce the environmental impact of gas-turbine engines. By adopting a lean air/fuel mixture NOx production may be reduced. The increase in proportional amount of high pressure air entering directly into the combustor reduces the amount available for cooling of the combustor liner tiles. A reduced mass of air places restrictions on the porosity of cooling arrays, requiring a departure from applications of pedestal and slotted film cooling typically u
APA, Harvard, Vancouver, ISO, and other styles
35

Leung, Kit Yee. "Single-panel sequential-color LCOS projectors using LED lamps /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?ECED%202008%20LEUNG.

Full text
APA, Harvard, Vancouver, ISO, and other styles
36

Eckhardt, Kai, Volodymyr Bon, Jürgen Getzschmann, Julia Grothe, Florian M. Wisser, and Stefan Kaskel. "Crystallographic insights into (CH3NH3)3(Bi2I9): a new lead-free hybrid organic–inorganic material as a potential absorber for photovoltaics." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-219347.

Full text
Abstract:
The crystal structure of a new bismuth-based light-absorbing material for the application in solar cells was determined by single crystal X-ray diffraction for the first time. (CH3NH3)3(Bi2I9) (MBI) is a promising alternative to recently rapidly progressing hybrid organic–inorganic perovskites due to the higher tolerance against water and low toxicity. Single crystal X-ray diffraction provides detailed structural information as an essential prerequisite to gain a fundamental understanding of structure property relationships, while powder diffraction studies demonstrate a high degree of crystal
APA, Harvard, Vancouver, ISO, and other styles
37

Hays, Jonathan Michael. "Performance of a lead tungstate crystal electromagnetic calorimeter for the compact muon solenoid experiment at the large hadron collider." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325489.

Full text
APA, Harvard, Vancouver, ISO, and other styles
38

Eckhardt, Kai, Volodymyr Bon, Jürgen Getzschmann, Julia Grothe, Florian M. Wisser, and Stefan Kaskel. "Crystallographic insights into (CH3NH3)3(Bi2I9): a new lead-free hybrid organic–inorganic material as a potential absorber for photovoltaics." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A30174.

Full text
Abstract:
The crystal structure of a new bismuth-based light-absorbing material for the application in solar cells was determined by single crystal X-ray diffraction for the first time. (CH3NH3)3(Bi2I9) (MBI) is a promising alternative to recently rapidly progressing hybrid organic–inorganic perovskites due to the higher tolerance against water and low toxicity. Single crystal X-ray diffraction provides detailed structural information as an essential prerequisite to gain a fundamental understanding of structure property relationships, while powder diffraction studies demonstrate a high degree of crystal
APA, Harvard, Vancouver, ISO, and other styles
39

Castiglione, Michael. "Computer simulation of superionic fluorides." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365812.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Welna, Karl P. "Electrically injected photonic-crystal nanocavities." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2528.

Full text
Abstract:
Nano-emitters are the new generation of laser devices. A photonic-crystal cavity, which highly confines light in small volumes, in combination with quantum-dots can enhance the efficiency and lower the threshold of this device. The practical realisation of a reliable, electrically pumped photonic-crystal laser at room-temperature is, however, challenging. In this project, a design for such a laser was established. Its properties are split up into electrical, optical and thermal tasks that are individually investigated via various device simulations. The resulting device performance showed that
APA, Harvard, Vancouver, ISO, and other styles
41

Presta, Florian. "Solutions alternatives pour limiter le relargage du plomb dans des articles manufacturés en cristal." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22694.

Full text
Abstract:
Dans un contexte de forte évolution des réglementations relatives à l'alimentarité des matériaux, l'industrie cristallière est tout particulièrement concernée vis à vis du plomb à travers son catalogue des arts de la table. Aussi il lui est nécessaire d'avoir une connaissance approfondie des procédés actuellement mis en œuvre pour limiter le relargage du plomb et d'étudier des solutions alternatives. Dans une première approche, la substitution du plomb peut alors être envisagée. La revue bibliographique menée sur la question montre alors les limites d’une telle démarche à commencer par la pert
APA, Harvard, Vancouver, ISO, and other styles
42

Colbaugh, Katherine E. "Czochralski Growth of Doped Yttrium Aluminum Garnet (Y3Al5O12) Crystals and Oxygen Tracer Diffusion Analysis by ToF-SIMS and LEAP." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1429182946.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Jantjies, Janine Chernay. "A narrative of crystal methamphetamine: a case study of a young person's experience of factors that leads to crystal methamphetamine use within a high-risk area in Cape Town." University of the Western Cape, 2010. http://hdl.handle.net/11394/3017.

Full text
Abstract:
Magister Artium - MA<br>Recent research has indicated a significant increase in the crystal methamphetamine abuse in the Western Cape. The study aimed to provide an understanding of the interaction of the social and historical contexts in relation to the life experiences and perceptions of a young person residing in the Cape Flats. Primarily the study aimed to explore the factors that influenced the participant to use crystal methamphetamine. It adopted a social constructionist epistemological perspective and employed Bronfenbrenner’s ecological systems theory as the theoretical framework. The
APA, Harvard, Vancouver, ISO, and other styles
44

Zhong, Mingyu. "Doped GaN grown by Phase Shift Epitaxy, fabrication and characterization of GaN:Eu LED." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1384427470.

Full text
APA, Harvard, Vancouver, ISO, and other styles
45

HWANG, MIRIAM K. "Analise microestrutural de telureto de chumbo obtido por crescimento epitaxial." reponame:Repositório Institucional do IPEN, 2000. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10829.

Full text
Abstract:
Made available in DSpace on 2014-10-09T12:44:29Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:57:27Z (GMT). No. of bitstreams: 1 06872.pdf: 4167574 bytes, checksum: 52f6a850bb9e5261861d1ba84fb83a28 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
APA, Harvard, Vancouver, ISO, and other styles
46

Gopalkrishna, Akshoy. "Catalytic Oxidation of Methane using Single Crystal Silicon Carbide." [Tampa, Fla. : s.n.], 2003. http://purl.fcla.edu/fcla/etd/SFE0000105.

Full text
APA, Harvard, Vancouver, ISO, and other styles
47

Ben, Kacem Ilyes. "Du cristal au plomb jusqu'aux déchets domestiques : rôle du plomb dans les verres et les vitrocéramiques : étude des systèmes PbO-SiO2, PbO-CaO-SiO2 et PbO-Al2O3-SiO2." Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1030/document.

Full text
Abstract:
Ce travail porte sur l’immobilisation du plomb dans les verres et les vitrocéramiques. Le premier volet de cette étude porte sur l’effet de l’incorporation du plomb sur la structure et les propriétés des verres silicatés. Il a été réalisé à partir de compositions de verre simples dans le binaire PbO-SiO2 et les deux ternaires PbO-CaO-SiO2 et PbO-Al2O3-SiO2. Le choix de ces compositions a permis de clarifier le rôle (Modificateur/formateur) du plomb dans ces verres. Des mesures de viscosité, de densité et de la température de transition vitreuse ont été effectuées sur les trois systèmes. Les ré
APA, Harvard, Vancouver, ISO, and other styles
48

Lindblom, Mathias. "Agile Development in a Lonely Environment : How to Develop Software Using Agile Techniques Within Small-Scale Projects." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170794.

Full text
Abstract:
Most Agile Software Development methodologies are aimed towards large companies and large-scale projects. The purpose of this report was to identify, and potentially modify, Agile Development methodologies and strategies suitable for small-scale projects. Initially a comprehensive study was conducted on a few selected agile methodologies in order to find the most suitable one to be used for a loosely defined small-scale project. The result of the study led to the methodology Kanban being used experimentally on that project. The report goes through how Kanban was utilized and modified to better
APA, Harvard, Vancouver, ISO, and other styles
49

AYADI, MOHAMED. "Contribution a l'etude de la dynamique de reseau de quelques composes de la serie de la mathlockite (pbfcl)." Université Louis Pasteur (Strasbourg) (1971-2008), 1986. http://www.theses.fr/1986STR13183.

Full text
Abstract:
Etude de l'energie de cohesion de composes a structure de mathlockite; conditions de stabilite, expressions de la polarisation ionique, des constantes d'elasticite et des constantes dielectriques (modele de la coquille, presence de sites non centrosymetriques). Condition de synthese et de croissance cistalline de cahcl, bafcl, pbfcl et biocl; spectres raman et ir. Analyse des spectres de reflexion ir de bafcl (kramers-kronig et oscillateur classique). Determination de la densite d'etats et de la dispersion de phonons pour bafcl; calcul de certaines constantes d'elasticite
APA, Harvard, Vancouver, ISO, and other styles
50

Filho, Dairton Luiz Bassi. "Experiências com desenvolvimento ágil." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/45/45134/tde-06072008-203515/.

Full text
Abstract:
A crescente demanda por sistemas e a alta velocidade com que seus requisitos evoluem têm evidenciado que desenvolvimento de software exige flexibilidade, pois muitas decisões precisam ser tomadas durante o projeto. Além disso, as dificuldades para a produção de sistemas vão muito além das questões técnicas. Fatores estratégicos, comerciais e humanos são responsáveis por algumas das variáveis que contribuem para tornar o desenvolvimento de sistemas de software uma atividade altamente complexa. Modelos tradicionais de desenvolvimento de software propõem processos prescritivos que não consideram
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!