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Dissertations / Theses on the topic 'Film spray'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Golego, Nickolay. "Thin-film polycrystalline titanium-oxygen semiconductors prepared by spray pyrolysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ33300.pdf.

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Kennaird, David. "Numerical modelling of fuel spray impingement and wall film formation." Thesis, University of Brighton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366233.

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3

Sjölinder, Emil. "Spray and Wall Film Modeling with Conjugate Heat Transfer in OpenFOAM." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-84487.

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This master thesis was provided by Scania AB. The objective of this thesis was to modify an application in the free Computational Fluid Dynamics software OpenFOAM to be able to handle spray and wall film modeling of a Urea Water Solution together with Conjugate Heat Transfer. The basic purpose is to widen the knowledge of the vaporization process of a Urea Water Solution in the exhaust gas after treatment system for a diesel engine by using OpenFOAM. First, urea has been modeled as a very viscous liquid at low temperature to mimic the solidication process of urea. Second, the development of th

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4

Gledhill, Sophie E. "Spray deposition of thin semiconductor films for use as buffer layers in CuInSâ†2 thin film solar cells." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393550.

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Horvat, Kristijan [Verfasser]. "Computational modelling of spray impingement accounting for the wall film formation / Kristijan Horvat." Aachen : Shaker, 2007. http://d-nb.info/1170527078/34.

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6

Gifford, James Hart. "Optimization of the automated spray layer-by-layer technique for thin film deposition." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59883.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 82-83).<br>The operational parameters of the automated Spray-LbL technique for thin film deposition have been investigated in order to-identify their effects on film thickness and roughness. We use the automated Spray-LbL system developed at MIT by the Hammond lab to build 25 bilayer films of poly (ally amine hydrochloride) (PAH) and poly (acrylic acid) (PAA). Each of the 10 operational parameters of this system are explo

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7

Mousa, A. M., and K. H. Jawad. "Performance of a Nano PbS/Si Hetrojunction Deposited by Chemical Spray Pyrolysis." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42518.

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Deposition of polycrystalline Lead sulfide nano thin films onto Si and glass substrates at temperatures (200- 300 °C) was carried out by chemical spraying route using optimized preparative conditions. The XRD pattern confirmed the formation of PbS semiconducting films with orthorhombic structure. The electrical and optical properties of the nano crystalline thin films were studied aiming to better understanding for the electrical and opto-electrical properties of a hetrojunction with p-type Si. It was found that, the average grain size of PbS in the films was between 4 nm and 7 nm. The band ga

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Perednis, Dainius. "Thin film deposition by spray pyrolysis and the application in solid oxide fuel cells /." [S.l.] : [s.n.], 2003. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=15190.

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9

Youssef, Rageey M. "Modeling the effect of a spray on a liquid film on a heated surface." Morgantown, W. Va. : [West Virginia University Libraries], 2007. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5074.

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Thesis (Ph. D.)--West Virginia University, 2007.<br>Title from document title page. Document formatted into pages; contains xv, 136 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 100-105).

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10

Ferreri, Ann Arita. "Novel processing routes for YBa2 Cu3 O7-x thin film via ultrasonic spray pyrolysis." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414978.

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11

Gosselin, Valentin. "Etude expérimentale de la formation d'un spray à partir d'un film liquide annulaire cisaillé." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0004.

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Un moyen d'accroître l'efficacité et de réduire la pollution dans les domaines du transport et de l'énergie consiste à concevoir des injecteurs de carburant produisant une meilleure atomisation. Au cours de cette thèse, des expériences ont été effectuées sur un injecteur airblast souvent utilisé dans les turbines à gaz. Pour réaliser ces expérimentations, un dispositif modèle en configuration annulaire a été créé afin d'étudier le cisaillement d'un film d'eau soumis à un écoulement d'air interne à forte vitesse. La technique d'imagerie rapide par ombroscopie a été utilisée pour analyser le dév

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Lamiel, Quentin. "Analysis of spray-wall impingement, fuel film spreading and vaporisation for reciprocating engine applications." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0092/document.

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Le transport routier est responsable d’une partie des émissions de polluants sur la planète. Conscient de ce problème, des lois sur les émissions des véhicules sont régulièrement votées afin de réduire l’impact environnemental du transport automobile. Ces lois de plus en plus restrictives ont poussé les fabricants automobiles à réduire la taille des moteurs essence et à utiliser des procédés d’injection directe afin d’augmenter le ratio puissance/volume des moteurs et réduire la consommation. Cependant avec l’utilisation de l’injection directe, de nouveaux problèmes apparaissent, notamment la

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13

Wang, Weiliang. "Novel functional nano-coatings on glass by spray deposition." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:45bd0d35-111e-4855-96f1-edf109e65b7b.

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Nanocomposite thin films with gold nanoparticles embedded in a host metal oxide prepared by spray pyrolysis deposition have been investigated. A single-step process has been developed using a one-pot solution containing precursors for both gold nanoparticles and host metal oxides. The films obtained display combined features of colouration, electrical conductivity and solar control. In this study two precursors for gold nanoparticles were used: preformed gold colloids and HAuCl<sub>4</sub>. Three metal oxide host materials, TiO<sub>2</sub>, SnO<sub>2</sub> and ZnO, were investigated. These fil

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Hinsberg, Nils Paul van. "Investigation of drop and spray impingement on a thin liquid layer accounting for the wall film topology." Aachen Shaker, 2009. http://d-nb.info/1000840115/04.

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15

Al-Ahmadi, Ahmad. "Fabrication and characterization of ZnO film by spray pyrolysis and ZnO polycrystalline sintered pellets doped with rear earth ions." Ohio University / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1175017625.

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16

JÃnior, Paulo Herbert FranÃa Maia. "Obtaining a thin film of FTO by spray-pyrolysis technique and sol-gel method for use in organic solar cells." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14347.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>The growing interest in the use of new materials and their applications for photovoltaic systems has been a constant concern of the scientific community in recent years. This work is primarily engaged in the collection, characterization and photoactivity testing photovoltaic solar cells made of thin SnO2 doped fluoride films, the films were deposited by the technique of "spray-pyrolysis" and the Sol-Gel method in substrate glass. In glasses microscopy work with dimensions of 2.5 x 7.5 x 1 mm are used as matrices for the conductiv

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O'Neill, Laura. "Nanostructured thin film pseudocapacitive electrodes for enhanced electrochemical energy storage." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:8cfa1203-4162-4b85-9df4-ade8023c6489.

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This thesis presents work relating to the fabrication of novel thin film electrodes for energy storage applications, with a focus on low cost, nanostructured transition metal oxides, and electrode manufacture by atomised spray deposition. Iron oxide (FeO<sub>x</sub>) nanowires were synthesised hydrothermally and combined with multi-walled carbon nanotubes (MWNT) in sprayed electrodes, which provided the necessary conductivity enhancement for effective energy storage. The spray processing technique allowed for facile control over the relative fraction of MWNTs in the sprayed electrodes. Optimis

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Mayo, Lisa Cheree. "Mathematical modelling of the impaction and spreading of spray droplets on leaves." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/91389/1/Lisa%20Cheree_Mayo_Thesis.pdf.

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This thesis concerns the development of mathematical models to describe the interactions that occur between spray droplets and leaves. Models are presented that not only provide a contribution to mathematical knowledge in the field of fluid dynamics, but are also of utility within the agrichemical industry. The thesis is presented in two parts. First, thin film models are implemented with efficient numerical schemes in order to simulate droplets on virtual leaf surfaces. Then the interception event is considered, whereby energy balance techniques are employed to instantaneously predict whet

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19

Parolini, Matteo. "Calibrazione e validazione di modelli per la simulazione CFD di impatto a parete di spray di combustibili." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/18980/.

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Il seguente lavoro è uno studio di iniezione (strategia, timing, spray pattern) svolto con la simulazione numerica, alle quali oggi si richiede dettaglio e accuratezza. Il lavoro si concentra sullo studio di spray multi componente, tramite la scrittura di una UDF (user define function) proprietaria, valutazione sensibilità dell'impatto a parete, film boiling a parametri modellistici influenzati dal multicomponente e scrittura di un codice per l'elaborazione delle immagini sia sperimentali che numeriche per rendere più esteso il confronto tra CFD e sperimentale, per migliorare le tarature e i

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20

Al-Ahmadi, Ahmad Aziz. "Fabrication and characterization of ZnO film by spray pyrolysis and ZnO polycrystalline sintered pellets doped with rear earth ions." Ohio : Ohio University, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1175017625.

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21

Jarke, Annica. "Effect of manufacturing conditions and polymer ratio on the permeability and film morphology of ethyl cellulose and hydroxypropyl cellulose free-films produced by using a novel spray method." Thesis, Uppsala University, Department of Pharmacy, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-121842.

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<p>This thesis considers the effect of manufacturing conditions and polymer ratio on water permeability and morphology of free-films. A novel spray method for producing ethyl cellulose (EC) and hydroxypropyl cellulose (HPC) free-films was developed where several process parameters was controlled. The process was optimised by pre-spraying solvent until the system reached a steady-state temperature. This minimised the variation of outlet air temperature to < 2.5 °C. Coating time was approximately 4 minutes excluding drying.</p><p>Free-films were produced using 94 wt% solvent (95 %-ethanol) and 6

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22

Lojewski, Brandon. "A Linear Multiplexed Electrospray Thin Film Deposition System." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5981.

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Liquid spray is essential to industries requiring processes such as spray coating, spray drying, spray pyrolysis, or spray cooling. This thesis reports the design, fabrication, and characterization of a thin film deposition system which utilizes a linear multiplexed electrospray (LINES) atomizer. First, a thorough review of the advantages and limitations of prior multiplexed electrospray systems leads to discussion of the design rationale for this work. Next, the line of charge model was extended to prescribe the operating conditions for the experiments and to estimate the spray profile. The s

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van, Hinsberg Nils [Verfasser]. "Investigation of drop and spray impingement on a thin liquid layer accounting for the wall film topology / Nils van Hinsberg." Aachen : Shaker, 2010. http://d-nb.info/1124364110/34.

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Доброжан, Олександр Анатолійович, Александр Анатольевич Доброжан, Oleksandr Anatoliiovych Dobrozhan та ін. "Вплив температури підкладки на структурні та оптичні властивості плівок ZnO нанесених методом спрей-піролізу". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/39733.

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Для синтезу плівок ZnO використовувався метод спрей-піролізу, який є досить простим, відносно дешевим, безвакуумним способом нанесення суцільних, пористих та наноструктурованих шарів великої площі на підкладках різних типів. Плівки ZnO були нанесені на скляні підкладки в інтервалі температур Ts = (473-673) К. Як прекурсор використаний дигідрат ацетату цинку з концентрацією 0,2 М. Мета даної роботи полягала у дослідженні впливу температури підкладки на структурні, субструктурні та оптичні властивості плівок.

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Гончарук, Сергій Григорович, Сергей Григорьевич Гончарук, Serhii Hryhorovych Honcharuk, Юрій Анатолійович Зимак, Юрий Анатольевич Зимак та Yurii Anatoliiovych Zymak. "Устройство для измерения распределения толщины пленки по пленкообразующей пластине". Thesis, Cумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46389.

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Центробежные пленочные распылители имеет широкую область применения: в фармацевтической, пищевой, химической и других отраслях промышленности. Эффективность работы данного типа распылителей очень зависит от параметров пленки стекающей с кромок распылителя, в частности от распределения её толщины на кромке пленкообразователя и скорости движения плёнки. Процесс растекания пленки жидкости, при ее движении по вращающейся стенке пленкообразователя, процесс распада пленки, стекающей с кромок пленкообразователя, а также измерение ее толщины еще не изучены должным образом.

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Lee, Jae-Hyeong. "Studies on Coating Process for Organic/Inorganic Thin-Films for Photovoltaics." Kyoto University, 2014. http://hdl.handle.net/2433/188819.

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Saliba, Michael. "Plasmonic nanostructures and film crystallization in perovskite solar cells." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:fdb36a9e-ddf5-4d27-a8dc-23fffe32a2c5.

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The aim of this thesis is to develop a deeper understanding and the technology in the nascent field of solid-state organic-inorganic perovskite solar cells. In recent years, perovskite materials have emerged as a low-cost, thin-film technology with efficiencies exceeding 16% challenging the quasi-paradigm that high efficiency photovoltaics must come at high costs. This thesis investigates perovskite solar cells in more detail with a focus on incorporating plasmonic nanostructures and perovskite film formation. Chapter 1 motivates the present work further followed by Chapter 2 which offers a br

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Duffield, M. E. "Novel metal-metal oxide thick film heating elements produced by dual-stage flame spray processing of a gas atomised Ni-Cr-Fe alloy." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3008760/.

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29

Murugavel, P. "Thin Films And Sub-Micron Powders Of Complex Metal Oxides Prepared By Nebulized Spray Pyrolysis And Brillouin Scattering Investigations Of Phase Transitions In Solids." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/217.

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The thesis consists of two parts. Part 1 deals with the preparation of thin films and sub-micron powders of complex metal oxides by nebulized spray pyrolysis (NSP) and Part 2 consists of Brillouin scattering studies of solid materials exhibiting interesting phase transitions. The simple technique of NSP has been employed to prepare thin films of A12O3, PbTiO3, Pb(Zr0.5Ti0.5)O3 (PZT) and PbZrO3 on single crystal substrate. The films were characterized by various techniques for their composition, structure, morphology and dielectric properties. Ferroelectric (FE) films of the configuration FE

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Murugavel, P. "Thin Films And Sub-Micron Powders Of Complex Metal Oxides Prepared By Nebulized Spray Pyrolysis And Brillouin Scattering Investigations Of Phase Transitions In Solids." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/217.

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The thesis consists of two parts. Part 1 deals with the preparation of thin films and sub-micron powders of complex metal oxides by nebulized spray pyrolysis (NSP) and Part 2 consists of Brillouin scattering studies of solid materials exhibiting interesting phase transitions. The simple technique of NSP has been employed to prepare thin films of A12O3, PbTiO3, Pb(Zr0.5Ti0.5)O3 (PZT) and PbZrO3 on single crystal substrate. The films were characterized by various techniques for their composition, structure, morphology and dielectric properties. Ferroelectric (FE) films of the configuration FE/L

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Mandal, Anirban. "Computational Modeling of Non-Newtonian Fluid Flow in Simplex Atomizer." University of Cincinnati / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1202997834.

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Arnou, Panagiota. "Solution processing of thin films for solar cell applications : CuIn(S,Se)2, Cu(In,Ga)(S,Se)2 and ZnO:Al." Thesis, Loughborough University, 2016. https://dspace.lboro.ac.uk/2134/23224.

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Cu(In,Ga)(Se,S)2 (CIGS) solar cells have attracted a lot of attention due to their high performance and the prospect for lower manufacturing costs over conventional crystalline silicon solar cells. All recent record efficiency CIGS absorbers have been deposited using vacuum processing which introduces high manufacturing costs. CIGS can also be compatible with low cost, atmospheric processing which can significantly reduce manufacturing costs. Recently, there has been some progress in developing atmospheric solution-based processes for CIGS. Among different solution approaches, deposition of mo

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Гончарук, Сергій Григорович, Сергей Григорьевич Гончарук та Serhii Hryhorovych Honcharuk. "Пути упрочнения и уменьшения износа дисков и пленкообразователей центробежных распылительных устройств". Thesis, Сумский государственный университет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46848.

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Chaze, William. "Transferts de chaleur et de masse lors de l’impact d’une goutte sur une paroi chaude en régime d’ébullition en film : application de diagnostics optiques et modélisation." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0290/document.

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La compréhension des phénomènes se déroulant lors de l’impact d’une goutte sur une paroi chaude est essentielle à l’optimisation des systèmes de refroidissement par sprays. Lorsque la température de paroi est élevée, un film de vapeur se forme quasi-instantanément entre la goutte et la paroi chaude. Ce film modifie le comportement hydrodynamique des gouttes et réduit considérablement les échanges de chaleur et de masse par rapport à un impact mouillant. La modélisation de ces phénomènes est complexe en raison des nombreux couplages entre les transferts de chaleur et de masse et la dynamique d’

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Опанасюк, Анатолій Сергійович, Анатолий Сергеевич Опанасюк, Anatolii Serhiiovych Opanasiuk та А. О. Салогуб. "Вивчення структури поверхні полікристалічних плівок Zn2SnO4". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67892.

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Полікристалічні плівки Zn2SnO4 були отримані хімічним методом пульсуючого спрей-піролізу. Джерелом Sn та Zn слугували водні розчини 0,25 M пентагідратутетрахлориду олова і 0,5 M гексагідрату нітрату цинку. Температура скляної підкладки при нанесені шарів Zn2SnO4 змінювалась в діапазоні 250-450 ºС з кроком в 50 ºС.

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Song, Zhaoning. "Solution Processed High Efficiency Thin Film Solar Cells: from Copper Indium Chalcogenides to Methylammonium Lead Halides." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1470403462.

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Fu, Yanpeng [Verfasser]. "Spray-ILGAR® deposition of controllable ZnS nanodots and application as passivation/point contact at the In2S3/Cu(In,Ga)(S,Se)2 junction in thin film solar cells / Yanpeng Fu." Berlin : Freie Universität Berlin, 2012. http://d-nb.info/102781686X/34.

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Д`яченко, Олексій Вікторович, Алексей Викторович Дьяченко, Oleksii Viktorovych Diachenko та ін. "Структурні особливості плівок CuO нанесених методом спрей-піролізу". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/41118.

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Оксид міді – один з небагатьох широкозонних матеріалів, який може бути отриманий p-типу провідності. Це екологічно безпечний напівпровідник із значенням ширини забороненої зони, що змінюється в діапазоні від 1,3 до 2,1 еВ. Такі властивості роблять цю сполуку незамінною при створенні ряду електронних приладів (сонячних елементів, фотодетекторів, газових детекторів та ін.) на основі гетеропереходів.

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Cravigan, Luke. "The role of marine biota on the composition and concentration of potential cloud condensation nuclei." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/132173/1/Luke_Cravigan_Thesis.pdf.

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Aerosol-cloud interactions in remote marine environments are poorly represented in atmospheric modelling, which contributes to uncertainties in climate prediction. This work reports on in-situ observations which highlight the importance of biogenic marine aerosols, and their spatial and seasonal variability, to the uncertainty in modelled aerosol-cloud interactions. Measurements were taken during four voyages in the Southern and South Pacific Ocean spanning summer to winter. The observations were used to test the applicability of existing empirical models for the Southern Hemisphere.

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Vullaganti, Anoop. "Mechanical Parameter Characterization of Thin Polymer Films Using Digital Image Correlation." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21653.

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Mechanical parameter characterization of very thin polymer films using digital im- age correlation is performed in this work. At present days DIC is widely used in the construction, food industries, and aviation. Despite advantages when compared to other conventional methods, but users still face difficulties with the analysis of thin polymers like low-density polyethylene (LDPE) and polyethylene terephthalate (PET) thin polymer films. For the application of sprays to obtain the best pattern quality as well as the potential of thin-film material properties tempering from the stochastic pattern

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Д`яченко, Олексій Вікторович, Алексей Викторович Дьяченко, Oleksii Viktorovych Diachenko та ін. "Исследование структурых особенностей нанокристал-лических пленок MgO, полученных методом спрей-пролиза". Thesis, Издательство ЮЗГУ, Курск, Россия, 2014. http://essuir.sumdu.edu.ua/handle/123456789/38254.

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В работе методом рентгендифрактометрии исследованы пленки, полученные методом спрей-пиролиза с использованием в качестве прекурсора раствора хлорида магния. Определен интервал температур подложек, где растут пленки кубического оксида магния с нанокристаллической структурой. Параметры кристаллической решетки соединения составляли а = 0,42345 нм для слоев, нанесенных при Ts = 380 0C, и а = 0,42121 нм при Ts = 400 0C, что хорошо коррелирует со справочными данными.<br>A spray pyrolysis method has been applied to prepare MgO thin films on glass substrates by using magnesium chloride hexahydrate as

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Rayan, Mihir K. "Spray deposition of biomolecular thin films." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002681.

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Souza, Tatiane Pereira de. "Desenvolvimento tecnológico e otimização de formas farmacêuticas sólidas contendo alto teor de produto seco por aspersão de Phyllanthus niruri L. (Euphorbiaceae)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2004. http://hdl.handle.net/10183/147061.

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Phyllanthus niruri é largamente utilizada na medicina tradicional, principalmente, para o tratamento de cálculos renais. Estudos farmacológicos comprovam sua eficácia e segurançaa terapêutica, sugerindo os polifenóis, presentes na sua constituição química, como possíveis responsáveis por esta atividade biológica. Estes dados concedem a esta espécie qualidades favoráveis para o planejamento de um medicamento fitoterápico. Nesse sentido, foi inicialmente ideada uma forma farmacêutica sólida. Para tanto foi desenvolvido e validado um método analítico por cromatografia líquida de alta eficiência (

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Dyachenko, A. V. "Spray pyrolysis deposition of magnesium oxide thin films." Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/34844.

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Magnesium oxide seems to be a good candidate regarding its bulk properties: large band gap (7.8 eV), high thermal conductivity and stability and an alternative dielectric to silicon dioxide (SiO2) to reduce the electric field in capacitive networks. MgO, widely used as a substrate for high-temperature superconductor films deposition, has attracted much attention due to its low dielectric constant, low dielectric loss, and less mismatch with YBCO films. With a low dielectric loss, MgO shows a wide application in microwave devices. Due to its low refractive index, MgO is especially a suitable bu

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Hsieh, Chia-Chiao, and 謝佳樵. "Spray coating of anti-reflection thin film." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/94871086056139297396.

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碩士<br>國立中興大學<br>機械工程學系所<br>102<br>In this study, spray coating was implemented for the deposition of organic/inorganic hybrid anti-reflection (AR) thin film. Compared with the conventional physical vapor deposition (PVD) process, spray coating possesses advantages such as spraying coating of a single layer of low refractive (LR) material is enough to provide effective anti-reflection, AR films with various sizes can be fabricated, the cycle time is relative short, the cost is low, deposition on chip and mother glass can be conducted, and the expensive umbrella-shaped fixture is not required.

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Wang, Jing-yau, and 王鏡堯. "Numerical Analysis of Fuel Film Spray and Atomization." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/63469982122860950204.

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碩士<br>國立海洋大學<br>船舶機械工程學系<br>83<br>In the present study, the film dynamics model is utilized to simulate the motion of annular liquid films which include swirling hollow-cone shape and non-swirling bell-like shape. The surface wave instability theory is used to analyze the variation of wave growth rates due to film velocity, viscosity, and ambient pressure. The film dynamics model and instability theory are combined to predict the film flow structure and the primary atomization

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Chen, J. P., and 陳俊伯. "Deposition of BaTiO3 Thin Film by Ultrasonic Spray Pyrolysis." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/64702324759700626380.

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碩士<br>國立清華大學<br>材料科學工程學系<br>88<br>Ultrasonic Spray Pyrolysis method has been employed in this study to deposit BaTiO3 thin film on ITO coated glass. Using Barium acetate [Ba(CH3COO)2], tetra titanium IV isoproxide (C12H28O4Ti) and distilled water as reactants. Deposition temperature fix at 250℃. Major experimential processing parameters include solution concentration (0.03M,0.04M,0.05M and 0.06M), annealing temperature ( 550℃,600℃,650℃ and 700℃ ), annealing time ( 30min, 60min and 120min) and de- position time (120 min, 150min and 180min) are varied to investigate their effect on f

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Kyriopoulos, Olympia Natalia. "Gravity effect on liquid film hydrodynamics and spray cooling." Phd thesis, 2010. https://tuprints.ulb.tu-darmstadt.de/2243/1/Diss_Olympia_Kyriopoulos.pdf.

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Spray-wall interaction is a key element in a multitude of technologies. It occurs in numerous industrial applications such as in internal combustion engines, gas turbines, spray drying, spray coating and cooling. A large diversity of phenomena is associated with the flow in the liquid layer initiated by single drop impacts onto a wall and their interactions. Due to the complexity of the problem, the hydrodynamics of liquid films created by sprays and the associated heat transfer are not entirely understood. Current approaches, usually presented in the form of empirical correlations or develope

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Yang, Ching Fu, and 楊景福. "The Boiling of Thin Liquid Film in a Spray Evaporator." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/24947337397639171793.

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碩士<br>國立成功大學<br>機械工程學系<br>89<br>Abstract The heat transfer performance of the shell-tube evaporator is investigated under both pool boiling and spray boiling conditions. The pool boiling usually has a low heat transfer coefficient at lower heat flux and the spray boiling suffers a serious dry out at higher heat flux. The test results indicated both the problems mentioned above could be resolved by installing a liquid collector underneath to each heater tube. The thin liquid film existing between the bubble and heater surface can be evaporated easier and is believed to con

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Liu, Wang-lin, and 劉旺林. "Study of Spray Coating Module Establishment for SiO2 Antireflection Film." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/30503406817886801342.

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博士<br>國立中興大學<br>精密工程學系所<br>102<br>This study used precision coating equipment to spray antireflection solution on glass reducing the light reflection and increasing light transmission. The output power of a solar panel coated with an antireflection layer can be enhanced, and the system output power can be maximized. The glare reflected by glass can be reduced and also minimarize the pollution of reflected light to the environment. This study used ultrasonic spray coating to coat a glass surface with a nano-solution as the antireflection layer. This spray coating mode is applicable to large are

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