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Dissertations / Theses on the topic 'Sponge phase'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Briceño-Ahumada, Zenaida Cenorina. "Propriétés rhéologiques et moussantes des phases lamellaire et éponge du système dodécylsulfate de sodium-hexanol-saumure." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS331.

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Dans cette thèse, on a étudié les propriétés rhéologiques et moussantes de phases de bicouches, de type lamellaire et éponge, en utilisant le système expérimental SDS/hexanol/saumure. On a également préparé des mousses avec ces deux phases de bicouches, dont on a étudié la stabilité et les mécanismes d’évolution dans le temps. En premier lieu, les propriétés rhéologiques de la phase éponge ont été examinées. Les échantillons ayant une fraction volumique de membrane phi ≥ 0.08 se comportent comme des fluides Newtoniens. Avec les moins concentrés, phi = 0.05 et 0.024, un changement de viscosité

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2

Adrien, Vladimir. "Diffusion des lipides et interaction protéine-protéine dans des membranes modèles." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB033.

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Les membranes biologiques, qui compartimentent les différents éléments du vivant, jouent un rôle essentiel dans les processus biologiques comme la signalisation, le transport, la transmission du message nerveux, etc. Envisagées comme des fluides à deux dimensions, l’étude de leurs propriétés physiques peut nous aider à comprendre certains mécanismes biologiques. Ce travail de thèse s’est intéressé à la mobilité des molécules au sein des membranes, et notamment à deux paramètres essentiels, la viscosité membranaire, et la diffusion latérale. Après avoir optimisé la technique de recouvrement de

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3

Imberg, Anna. "On Phase Behaviours in Lipid/Polymer/Solvent/Water Systems and their Application for Formation of Lipid/Polymer Composite Particles." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributöt], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3795.

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4

Schoenfeld, Joshua. "Spouse Factors in Phase-II Cardiac Rehabilitation." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194669.

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Previous research suggests that spouse factors contribute to the course and outcomes of cardiac illness. The present study examined spouse confidence in patient efficacy, spouse psychological distress, and spouse involvement in the research project as predictors of patient participation in Phase-II cardiac rehabilitation (CR) and subsequent changes in patient health and weekly exercise in a sample of 128 cardiac patients. Spouse confidence in patient efficacy predicted the number of CR sessions attended by male patients, independent of patients' own self-efficacy ratings, and spouse psycholo

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5

Merclin, Nadia. "Electrochemical Methods for Drug Characterisation and Transdermal Delivery : Capillary Zone Electrophoresis, Conductometry, and Iontophoresis." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3774.

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6

Ali, Nahia A. "Spore germination and the pre-infection phase in ectomycorrhizal fungi." Thesis, University of Surrey, 1986. http://epubs.surrey.ac.uk/843799/.

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Spore germination of seven species of ectomycorrhizal fungi was studied under different conditions. Spores of most species tested did not germinate on laboratory media without stimulators. Various stimulators were tested and the greatest activation was that by Pseudomonas stutzeri which was obtained from fruitbodies of Hebeloma crustuliniforme and stimulated about 21% of spores of that fungus. Effects of plant roots on spore germination were studied in the laboratory and in soil. In mineral salts medium, spores of Paxillus involutus were stimulated by five of seven tree species and one of four

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7

Kiewidt, Lars [Verfasser], Jorg [Akademischer Betreuer] Thöming, Jorg [Gutachter] Thöming, and Robert [Gutachter] Güttel. "Solid sponges as support for heterogeneous catalysts in gas-phase reactions / Lars Kiewidt ; Gutachter: Jorg Thöming, Robert Güttel ; Betreuer: Jorg Thöming." Bremen : Staats- und Universitätsbibliothek Bremen, 2017. http://d-nb.info/1150833947/34.

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8

Ekstrand, Åsa. "Novel powder-coating solutions to improved micro-structures of ZnO based varistors, WC-Co cutting tools, and Co/Ni nano-phase films and sponges." Doctoral thesis, Uppsala University, Department of Materials Chemistry, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1948.

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<p>Solution chemistry is a versatile and powerful tool in the synthesis of designed, complex nano-level high-tech materials. Normally, the technique is considered too expensive for large-scale production of complex multi-component ceramic materials. This thesis describes the expansion of the useful area of solution processing to multi-component bulk materials such as ZnO-based high-field varistors and WC–Co cutting tools, by developing novel techniques for solution-based coating of conventionally prepared metal and ceramic powders. The chemistry and microstructure development in the preparatio

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9

Ekstrand, Åsa. "Novel powder-coating solution to improved micro-structures of ZnO based varistors, WC-Co cutting tools and Co/Ni nano-phase films and spongs /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2002. http://publications.uu.se/theses/91-554-5275-2/.

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10

Perez, Ana Rosa. "Characterization of SpoIIB, SpoVG, and SpoVS : defining a relationship between the transition phase and engulfment during sporulation in Bacillus subtilis /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3112825.

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11

Mukherjee, Ranit. "Exploiting Interfacial Phenomena to Expel Matter from its Substrate." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/104925.

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Spontaneous expulsion of various forms and types of matter from their solid substrates has always been an integral part of interfacial physics problems. A thorough understanding of such interactions between a solid surface and different soft materials not only expands our theoretical knowledge, but also has applications in self-cleaning, omniphobic surfaces and phase-change heat transfer. Although there is a renewed interest in the design of robust functional surfaces which can passively remove highly viscous liquids or dew, or retard ice accretion or frost formation, the physics of several de

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12

Král, Michael. "Struktura a vlastnosti svarového spoje TiAl6V4/6061 zhotoveného technologií elektronového paprsku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318832.

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Titanium and aluminium alloys are among the most used construct materials due to their physical and mechanical properties except steels. The joining of these alloys can improve properties of whole construction but it is still difficult task. Especially welding of titanium and aluminium alloys is difficult cause formation of undesirable intermetalic phases in the weld. This thesis focuses on influences of electron beam welding parameters especially focusing and deflection of beam and preheating of base material to quality of heterogeneous join of titanium alloy Ti6Al4V and aluminium alloy EN AW

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13

Havlík, Petr. "Svařování heterogenních svarových spojů Ti/Al slitin pomocí elektronového svazku." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-412926.

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The problematics of weldability of heterogeneous welds of aluminium and titanium alloys produced by electron beam welding is discussed in this work. Homogenous welds of selected alloys were analyzed in the first stage. Welding of these materials relates to formation of intermetallic phases at the interface of base materials due to differences in physical, chemical and metallurgical properties of base materials. One of the prerequisites for producing high quality weld joints is to find optimal process parameters. The influence of selected process parameters to integrity, structure and mechanica

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14

Lin, Yung-Hua, and 林詠樺. "New Graphene/Acrylic resin based Composite Sponge Material as Solid Phase Extraction Sorbent for the Determination of Triazine Herbicides in Aqueous sample by HPLC-UV." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/67091200849791713102.

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碩士<br>國立中興大學<br>化學系所<br>104<br>In this study, we have developed a new material ‘Graphene based acrylic resin composite sponge material’ as sold phase extraction sorbent material for the extraction of triazine herbicides in aqueous solution and determination by HPLC-UV. The adsorption capacity of acrylic resin material was enhanced by adding graphene nanosheets as fillers. This composite sponge material was prepared by mixing of graphene oxide, acrylic resin, cross-linking agents and foaming agents and then inflated with air to foam by Frother. And the foam material was heated at two stages to

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15

Mota, Renato Veloso da. "Development of a fast and reliable phage-based method for Paenibacillus larvae detection." Master's thesis, 2021. http://hdl.handle.net/1822/73697.

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Dissertação de mestrado em Biotechnology<br>American Foulbrood (AFB) is one of the most important bacterial hive diseases worldwide, affecting honeybee larva. It is caused by the Gram-positive and spore-forming bacterium Paenibacillus larvae. Spores are the infectious form of this disease, and its spread in a bee colony often leads to its complete destruction. When the clinical symptoms of AFB appear, the disease can only be controlled by burning the hive. The early detection of P. larvae spores will enable the implementation of prophylactic sanitary measures; however, traditional methods

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