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Bibliografias temáticas / Heterogeneous membranes / Teses / dissertações

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Teses / dissertações sobre o tema "Heterogeneous membranes"

Autor: Grafiati

Publicado: 12 de outubro de 2023

Última modificação: 25 de julho de 2025

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Veja os 34 melhores trabalhos (teses / dissertações) para estudos sobre o assunto "Heterogeneous membranes".

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1

Turner, Josephine. "Heterogeneous polyelectrolyte gel membranes, effect of morphology on stimulus-responsive permeation control." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq63593.pdf.

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2

Johns, Brian Douglas. "Experimental verification of pointwise identification method for capturing heterogeneous properties in membranes." Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/824.

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3

Faaland, Sonia. "Heterogeneous ceramic interfaces in solid oxide fuel cells and dense oxygen permeable membranes." Doctoral thesis, Norwegian University of Science and Technology, Department of Chemistry, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-53.

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<p>Solid oxide fuel cells and oxygen permeable membranes have received considerable attention during the last decade due to the increasing demand for electrical energy and easily transportable fuels combined with the requirement of low emission of CO<sub>2</sub>. This work concentrates on the stability of ceramic interfaces in general, and more specifically to heterophase solid state interfaces related to solid oxide fuel cells and oxygen permeable membranes. Reaction mechanisms are discussed and requirements and properties of suitable materials are determined. This thesis consists of three pa

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4

Tichy, Robin Sarah. "Mechanisms and stability of oxide-ion transport in homogenous and heterogeneous ceramic membranes /." Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3008457.

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5

Zhao, Xuefeng. "Pointwise identification of elastic properties in nonlinear heterogeneous membranes, and application to soft tissues." Diss., University of Iowa, 2009. https://ir.uiowa.edu/etd/222.

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Identifying the elastic properties of heterogeneous materials has long been a very challenging problem both theoretically and experimentally. When it comes to biological tissues, this task is even more difficult since biological tissues generally exhibit substantial anisotropic behavior. Moreover, identification is often required to be performed in the service condition of living human tissues and organs, i.e., in vivo. Presently, a method capable of performing such tasks is lacking. The primary goal of this study is to fill this gap by developing a novel experimental method, termed as pointwi

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6

Pandžić, Elvis. "Measurement of protein transport and confinement in heterogeneous membranes by k-space image correlation spectroscopy." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116842.

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This thesis presents the application of k-space Image Correlation Spec- troscopy (kICS) to the analysis of fluorescence microscopy image time series for the measurement of particle diffusion in heterogeneous membranes, composed of micro- domains. The extension, testing and application of kICS for such measurements is developed both in silico with simulation and with in vivo cellular experiments.Connections between kICS analysis and other existing fluorescent microscopy techniques used in the study of heterogeneous membranes, such as single particle tracking (SPT) and spot vary Fluorescence Cor

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7

Pampel, André. "Pulsed field gradient NMR in combination with magic angle spinning - new possibilities for studying diffusion in lipid membranes and heterogeneous materials." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-197016.

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8

Pampel, André. "Pulsed field gradient NMR in combination with magic angle spinning - new possibilities for studying diffusion in lipid membranes and heterogeneous materials." Diffusion fundamentals 2 (2005) 128, S. 1-2, 2005. https://ul.qucosa.de/id/qucosa%3A14470.

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9

Besson, Arthur. "Etude de polymères pour l'utilisation en membranes de piles à combustible." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENI070/document.

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Les piles à combustible sont une technologie en pleine expansion dans le domaine du transport automobile.Les membranes polymères les plus utilisées actuellement dans ces systèmes sont celles à base de Nafion.Leur principal point faible se trouve dans leurs performances limitées au-delà de 80°C, où la membranedevient défaillante et l'eau ne peut plus assurer la conduction protonique. Le projet EUBECELL se proposede résoudre ce problème en mettant au point un système de pile à combustible fonctionnant à l'éthanol et àplus de 120°C. Cette thèse s'inscrit dans ce projet et se concentre sur l'élabo

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10

Abdalla, B. K. "Heterogeneous modelling of fixed bed and fluidized bed reactors without and with selected membranes for the catalytic dehydrogenation of ethylbenzene to styrene." Thesis, University of Salford, 1993. http://usir.salford.ac.uk/2029/.

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11

Patil, Rahul. "Membrane Processes for Sustainable Energy Applications." University of Toledo / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1353077392.

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12

Al-Haddad, Ahmed Sukur Hameed Verfasser], Yong [Akademischer Betreuer] Lei, Michael [Gutachter] [Köhler, and Pu-Xian [Gutachter] Gao. "Large area of ultrathin alumina membranes toward innovative heterogeneous nanostructure arrays for solar energy conversion / Ahmed Sukur Hameed Al-Haddad ; Gutachter: Michael Köhler, Pu-Xian Gao ; Betreuer: Yong Lei." Ilmenau : TU Ilmenau, 2016. http://d-nb.info/1178171981/34.

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13

Al-Haddad, Ahmed [Verfasser], Yong [Akademischer Betreuer] Lei, Michael [Gutachter] Köhler, and Pu-Xian [Gutachter] Gao. "Large area of ultrathin alumina membranes toward innovative heterogeneous nanostructure arrays for solar energy conversion / Ahmed Sukur Hameed Al-Haddad ; Gutachter: Michael Köhler, Pu-Xian Gao ; Betreuer: Yong Lei." Ilmenau : TU Ilmenau, 2016. http://nbn-resolving.de/urn:nbn:de:gbv:ilm1-2016000479.

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14

Al-Haddad, Ahmed [Verfasser], Yong Akademischer Betreuer] Lei, Michael [Gutachter] [Köhler, and Pu-Xian [Gutachter] Gao. "Large area of ultrathin alumina membranes toward innovative heterogeneous nanostructure arrays for solar energy conversion / Ahmed Sukur Hameed Al-Haddad ; Gutachter: Michael Köhler, Pu-Xian Gao ; Betreuer: Yong Lei." Ilmenau : TU Ilmenau, 2016. http://d-nb.info/1178171981/34.

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15

Garcia, Armijos Carlos Alberto. "Localization and acoustic radiation from complex structures." Electronic Thesis or Diss., Compiègne, 2022. http://www.theses.fr/2022COMP2715.

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Des vibrations localisées se produisent dans une variété de systèmes physiques, de la mécanique quantique aux tables d'harmonie des pianos. Le nouvel outil appelé paysage de localisation est la première méthode générale pour prédire la localisation. Il est ainsi possible d'étudier ces phénomènes sans avoir à résoudre de problèmes aux valeurs propres ou à effectuer des analyses dynamiques. Le paysage de localisation est une fonction statique qui permet de prédire où les modes se localisent, à quel point leur localisation sera forte et le passage entre localisation et délocalisation. Les modes l

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16

Wu, G. "Development of membrane reactors for heterogeneously catalysed aerobic oxidation of alcohols." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1572253/.

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Heterogeneously catalysed aerobic oxidation of alcohols has great potential in chemical synthesis, but its wide application is still limited by safety issues with the combination of gaseous oxygen and flammable organics. The aim of this thesis is to develop Teflon AF-2400 membrane reactors for the intrinsically safe use of oxygen in oxidation of alcohols. Initially, oxidation of benzyl alcohol and cinnamyl alcohol on Au-Pd/TiO2 catalyst was studied in a trickle bed microreactor. The catalyst deactivation in cinnamyl alcohol oxidation, rather than benzyl alcohol oxidation, was attributed to Pd

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17

STANEVA, GALYA. "DYNAMIQUE DES MEMBRANES HETEROGENES ET EFFETS DES MOLECULES D'ASYMETRIE STERIQUE POSITIVE. ETUDES SUR DES VESICULES GEANTES." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2004. http://tel.archives-ouvertes.fr/tel-00007282.

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Les systèmes modèles (vésicules géantes unilamellaires) représentent un outil indispensable pour étudier la formation, la stabilité, la dynamique et les fonctions des rafts dans les membranes biologiques. L'originalité de notre étude réside : i) dans la visualisation du bourgeonnement et de la fission induits par des agents biologiques (sPLA2 ou Lyso PC) et ii) dans la visualisation directe de la solubilisation d'une membrane modèle de type Ld/Lo ainsi que le bourgeonnement et la fission des domaines Lo traitée avec des détergents (Triton X-100, Brij 98). Ces expériences appuient l'idée que l'

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18

Kvasničková, Lucie. "Vliv složení heterogenní bipolární membrány na její mechanické vlastnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316234.

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This work is focused on the preparation of heterogeneous bipolar membranes and studies the influence of different composition on mechanical and physical properties. The main feature of this approach is optimalization of composition following gained data. Theoretical part contains new piece of knowledge in the field of heterogeneous bipolar membranes. Experimental part engages preparation of bipolar ion-exchange membranes on one face cation-selective and on the other one anion-selective. In this case are used variant types of polyethylene.

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19

Li, Shiwen. "Metal nanoparticles encapsulated in membrane-like zeolite single crystals : application to selective catalysis." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10057/document.

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Les matériaux « coeur-coquille » composés d’une nanoparticule métallique encapsulée à l'intérieur de coquilles inorganiques (oxydes, carbone …) attirent de plus en plus l'attention par leurs propriétés particulières, en particulier dans le domaine de la catalyse. Les particules métalliques sont protégées par la coquille, qui empêche entre autres le frittage et la croissance des particules à haute température. Cependant, les coquilles sont généralement méso à macroporeuses et elles ne peuvent pas jouer le rôle de tamis moléculaire pour les molécules de taille nanométrique. En revanche, les zéol

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20

Doubek, Gustavo. "Desenvolvimento de sistemas catalíticos não suportados para células a combustível de membrana polimérica de temperatura elevada de operação." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-28112013-143424/.

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Células a combustível de membrana polimérica têm cada vez mais se destacado como meio na obtenção de energia, pela sua alta eficiência e potencial para fazê-la de modo sustentável. Entretanto muitos ainda são os desafios para consolidá-la comercialmente. Dentre eles, a aglomeração e a perda de área ativa em catalisadores suportados em carbono recebem um destaque especial, principalmente em células PEM de temperatura elevada de operação. Eletrocatalisadores não suportados, baseados em nanoarquiteturas de geometria controlada, têm se tornado uma tendência em diversas frentes de pesquisa. Tal fat

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21

Giroud, Patrick. "Modélisation et asymptotique des coques élastiques." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE10181.

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Cette thèse est consacrée à l'étude des coques minces élastiques constituées d'un matériau inhomogène et anisotrope. Dans la première partie, on considère les équations de l'élasticité linéarisée près d'un état naturel tandis que dans la seconde, on suppose que la coque est précontrainte et on considère les équations de l'élasticité linéarisée près de l'état précontraint. Dans le premier chapitre, un résultat de convergence vers un modèle couplant les effets de flexion et les effets membranaires est obtenu pour un matériau inhomogène et anisotrope. Nous exhibons une loi de comportement limite

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22

Arab, Pezhman. "DESIGNED SYNTHESIS OF NANOPOROUS ORGANIC POLYMERS FOR SELECTIVE GAS UPTAKE AND CATALYTIC APPLICATIONS." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/4045.

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Design and synthesis of porous organic polymers have attracted considerable attentions during the past decade due to their wide range of applications in gas storage, gas separation, energy conversion, and catalysis. Porous organic polymers can be pre-synthetically and post-synthetically functionalized with a wide variety of functionalities for desirable applications. Along these pursuits, we introduced new synthetic strategies for preparation of porous organic polymers for selective CO2 capture. Porous azo-linked polymers (ALPs) were synthesized by an oxidative reaction of amine-based monomers

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23

Zhao, Xuefeng Lu Jia. "Pointwise identification of elastic properties in nonlinear heterogeneous membranes, and application to soft tissues." 2009. http://ir.uiowa.edu/etd/222/.

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24

Caridi, Antonella, Enrico Drioli, Profio Gianluca Di, and Raffaele Molinari. "An insight on pharmaceutical crystallization process by using membrane technology: PVDF-based mixed matrix membranes and PP grafted membranes as new tools for controlling the supersaturation rate and the heterogeneous nucleation mechanism." Thesis, 2014. http://hdl.handle.net/10955/1197.

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Dottorato di Ricerca in "Ingegneria Chimica e dei Materiali" Ciclo XXVI, a.a. 2013-2014<br>Questo elaborato finale del progetto di dottorato tratta lo studio del processo di cristallizzazione a membrana finalizzato alla produzione di composti farmaceutici in forma cristallina. Lo studio ha come obiettivo quello di dare una visione globale del processo di cristallizzazione a membrana andando oltre lo stato dell􀍛a􀆌te, bensì p􀆌opo􀅶e􀅶do l􀍛i􀅵ple􀅵e􀅶tazione della tecnica di cristallizzazione a membrana di base. A tal proposito il progetto è stato sviluppato seguendo in due diverse direzioni: da

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25

Ferreira, Sofia Marlene Nogueira. "Fotodegradação de micropoluentes orgânicos emergentes." Master's thesis, 2014. http://hdl.handle.net/1822/36414.

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Dissertação de mestrado integrado em Engenharia Civil<br>Os efeitos dos produtos farmacêuticos no ambiente e consequentemente nos seres vivos têm vindo a causar uma inquietação crescente quer na comunidade científica, quer nas entidades gestoras de sistemas de tratamento de águas. Tendo em conta que os mesmos são usados no tratamento e prevenção de doenças, o seu consumo e disseminação nos meios hídricos tem aumentado de forma preocupante. São constantemente desenvolvidas novas substâncias cujo ciclo de vida e efeitos no ambiente são muitas vezes ainda desconhecidos, sendo, por esse moti

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26

Iyer, Sahithya S. "Computational Investigation of Heterogeneous Lateral Organisation in Biological Membrane." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4836.

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The study of lateral heterogeneity on membrane surface has come a long way from the fluid mosaic model. Simulations and experimental studies have observed non-random mixing of lipids and proteins in the membrane. In this thesis, we have systematically addressed certain aspects of the current understanding of lateral organisation (summarised above). We believe there is scope for much work in this area. The forefront in investigations of lateral membrane organisation is to do with studying the effect of • membrane lipid and protein asymmetric distribution • cellular environment and physic

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27

Madani, Tonekaboni Seyed Ali. "Modeling and Analysis of the Buckling Phenomena in the Homogeneous and Heterogeneous Biomembranes." Thesis, 2013. http://hdl.handle.net/10012/7686.

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In this project, nonlinear behavior of biomembrane are modeled as heterogeneous elastic biological systems. In addition to the static behavior of the membranes, their dynamic behavior are modeled to be able to investigate time-dependency of the variables of the systems. Some of the available models are used and some new ones are developed to study static and dynamic analysis of monolayer and bilayer membranes as well as circular axisymmetric biomembranes. The presented models are developed based on the Euler-Bernoulli constitutive law and employed to investigate buckling phenomena in the

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28

Westermann, Thomas [Verfasser]. "Flow-through membrane microreactor for intensified heterogeneous catalysis / vorgelegt von Thomas Westermann." 2009. http://d-nb.info/993712789/34.

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29

Carson, Jared C. "Atomic force microscopy study of the metal surface during a palladium-catalyzed hydrogenation membrane reaction." Diss., 2018. http://hdl.handle.net/2097/38917.

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Doctor of Philosophy<br>Department of Chemical Engineering<br>Mary E. Rezac<br>Characterizing a catalytic metal surface during heterogeneous hydrogenation is an enabling area of catalysis research. Available technology, however, often requires ultra-high vacuum or other limiting conditions which prohibit in operando research. Atomic force microscopy (AFM) can provide direct observations of fluid/solid interfaces at atmospheric conditions and in real time. Tapping-mode AFM can examine chemical and physical phenomena on surfaces in addition to topography. The work here describes using phase-

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30

Rizwan, Tania. "Colloidal particle deposition onto charge-heterogeneous substrates." Phd thesis, 2009. http://hdl.handle.net/10048/743.

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Thesis (Ph. D.)--University of Alberta, 2009.<br>Title from PDF file main screen (viewed on Nov. 27, 2009). "A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy, Department of Mechanical Engineering, University of Alberta." Includes bibliographical references.

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31

Hsu, Chung-Chun, and 許中俊. "Enhanced Removal of Phosphate Using Heterogeneous Anion Exchange Layer Coated Carbon Electrodes for Membrane Capacitive Deionization." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/7qqr22.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>105<br>Capacitive deionization (CDI) has been developed as a promising electrochemical technology for removing ionic species. Recently, ion-exchange based materials have been widely introduced into the CDI, constituting a membrane capacitive deionization (MCDI) system to further enhance the ion removal efficiency. Many researchers have developed the high exchange capacity, low cost and environmental friendly ion-exchange electrodes. In this study, the heterogeneous anion-exchange composite electrodes were prepared to increase the phosphate removal from water. The he

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32

Yablecki, Jessica. "Modeling the Effective Thermal Conductivity of an Anisotropic and Heterogeneous Polymer Electrolyte Membrane Fuel Cell Gas Diffusion Layer." Thesis, 2012. http://hdl.handle.net/1807/33595.

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In this thesis, two numerical modeling methods are used to investigate the thermal conductivity of the polymer electrolyte membrane (PEM) fuel cell gas diffusion layer (GDL). First, an analytical model is used to study the through-plane thermal conductivity from representative physical GDL models informed by microscale computed tomography imaging of four commercially available GDL materials. The effect of the heterogeneity of the through-plane porosity of the GDL and polytetrafluoroethylene (PTFE) treatment is studied and it is noted that the high porosity surface transition regions have a dom

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33

Lo, Ming-Yuan, and 羅鳴遠. "Studies of a New-type Heterogeneous Composite Carbon Fiber Bipolar Plate Applied to a Portable Pure Hydrogen Proton Exchange Membrane Fuel Cell." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/54165153992423975090.

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碩士<br>國立中山大學<br>機械與機電工程學系研究所<br>93<br>A new type of heterogeneous carbon fiber bunch bipolar plate developed in our lab is applied to portable pure hydrogen proton exchange membrane fuel cell stacks. Several different types of bipolar plate structures have been designed, and the voltages and currents of these fuel cell stacks are measured to compare their performance. The new type of heterogeneous carbon fiber bunch bipolar plate is well in low contact resistance, weight low, small volume and the flexible geometry shape. Due to its flexible structure of carbon fiber bunch, the compressing pres

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34

Sithole, Manishana Precious. "Chalcogenide semiconductor photocatalysis for the photocatalytic degradation of organic pollutants in water." Diss., 2020. http://hdl.handle.net/10500/27359.

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This research work discusses the removal of organic pollutants specifically diclofenac and acid blue-25 using chalcogenide semiconductors. Semiconductors are materials that absorb light of specific energy and potentially degrade these organic pollutants into smaller compounds that are not toxic such as carbon dioxide and water.<br>Civil and Chemical Engineering

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