Materials Literature
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Knowledge of materials is essential for designers in many regards. Materials affect how a product will be manufactured and how it will function, as well as the usability and personality of the product. However, existing materials are subject to ongoing changes in availability, processing methods, price and attributed…
L’objectif de ce travail de thèse est la compréhension du mode de fonctionnement des co-malaxeurs, outils de mélange dont la connaissance est lacunaire par rapport à d’autres types de mélangeur comme l’extrudeuse mono-vis ou bi-vis. Ce manuscrit porte sur plusieurs études expérimentales relatives au co-malaxeur. L'inf…
STRESZCZENIEPod wpywem promieniowania UV nastpuje degradacja materiaw polimerowych, czego skutkiem moe
The enhancement of photovoltage and photocurrent of material is fundamentally significant owing to the many interesting phenomena found and the potential applications. However, vast altering of magnitude-orders of photoelectricity has been technologically challenging. Here we report two dielectric materials Li2ZnSiO4…
Erklärung des Phänotyps in Bezug auf die Biogenese von lipid droplets ....... 170 6.3.3.2.Andere Stoffwechselwege, die mit lipid droplets assoziiert sind .........
Abstract We report solution-processed organic trilayer solar cells consisting of a bottom poly(3-hexylthiophene) (P3HT) layer, a conjugated polyelectrolyte (CPE) interlayer and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) top layer, wherein the CPE exists as an interlayer within the donor–acceptor junction. The i…
Uno de los objetivos de la quimica supramolecular ha sido y sigue siendo el desarrollo de metodos o estrategias para construir peliculas organicas ordenadas en estructuras bien definidas y de gran extension. A escala nanoscopica, las propiedades fisicas de estos sistemas moleculares se determinan mediante las relacion…
E PVC est l'un des polymeres les plus employes dans les materiaux actuels et l'adjonction de plastifiants permet de modifier ses proprietes (temperature de transition vitreuse, module…) permettant ainsi l'utilisation de ce polymeres dans des applications ou de la souplesse est requise (textiles enduits, par exemple).…
Ces travaux ont portés sur l’élaboration de dépôts de La2Zr2O7 par projection plasma de solution (SPPS) pour une application barrière thermique pour un moteur spatial. Différentes solutions de précurseurs de solvants divers ont été formulées pour la synthèse des poudres et des différents dépôts. Les précurseurs et les…
Concrete as a construction material is very important to continue to develop, increase the strength of concrete is one of the main factors of concrete technology development, to increase the strength of concrete can be done by several methods. This study aimed to compare the strength of concrete methods SNI with maxim…
A Au/bovine serum albumin (BSA)–ZnO (n-type nanoparticles)/Au system is investigated for its transport properties using electrical ($I$–$V$) characterization in conjunction with spectroscopy techniques for cost-effective power-efficient biosensing. Temperature-dependent variation in different conduction mechanisms is…
Two new Zn(II) coordination polymers, namely, catena-poly[[dibromidozinc(II)]-μ-[3,6-bis(pyridin-4-yl)phenanthrene-9,10-dione-κ(2)N:N']], [ZnBr2(C24H14N2O2)]n, (1), and poly[[bromido[μ3-10-hydroxy-3,6-bis(pyridin-4-yl)phenanthren-9-olato-κ(3)N:N':O(9)]zinc(II)] hemihydrate], {[ZnBr(C24H15N2O2)]·0.5H2O}n, (2), have bee…
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En el siguiente trabajo el lector podra conocer las generalidades de la empresa de estudio, las actividades existentes del area de calidad, asi como las que se vislumbran para el futuro. Se presentara la implementacion de algunas herramientas para la solucion de problemas, la evaluacion de calidad en el proceso de sol…
Compounds CuL 2 , where L = R 1 N(O)–(O)CR 2 , R 1 = C 6 H 5 , R 2 = C 6 H 5 ( I ); R1 = C 6 H 5 , R 2 = CH 3 ( II ); or R 1 = 2,4,6-(CH 3 ) 3 C 6 H 2 , R 2 = CH 3 ( III ) have been structurally studied by electron paramagnetic resonance (EPR) in methylene chloride. Spectra of two forms of the compounds, which accordi…
In this chapter, a three-dimensional phenomenological constitutive model for the simulation of shape memory alloys is introduced. The proposed macromechanical model is based on microplane theory. Microplane approach is chosen to have limited material parameters in that all of those are measurable by simple tests. User…
Hydrogen has been considered as an alternative source of fuel to the fossil fuel in future, most especially, for mobile applications. However, a requirement is the safe, efficient and compact on- board storage of hydrogen. Reversible storage in metal hydride is promising, but adequate knowledge of materials system ful…
In the introduction and the second part of the chapter, we discuss the Compton effect in general, and the modern viewpoint on the 2-dimensional carbon crystals called graphene, where graphene unique properties arise from he collective behavior of electrons governed by the Dirac equation. The Dirac equation in graphene…
We use first-principles calculations of the electron-phonon interaction to investigate the dependence of the electron relaxation time in doped semiconductors on the electron energy and carrier concentration. Using a novel simplified approach for computing electronic transport properties starting from the scattering te…
Lanthanum Oxalate decahydrate and Copper ferrites were prepared by chemical and sintering process respectively and the detailed investigation of their properties was carried out successfully at room temperature by FTIR,XRD,SEM ,TEM as well as by chemical methods. Catalytic activity of copper ferrite over the decomposi…