Materials Literature
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Present bachelor thesis deals with high-temperature resistant polymers. Beside this main topic, their comparison with non-polymeric materials (metals, ceramics and glasses) is given. A review of the most used high-temperature resistant polymers is provided within the main part of the text. Typical characteristics of s…
Triarylamine type materials with vastly altered physical properties are synthesized by hybridizing organic semiconducting structures with silicone and siloxane groups. By altering the silicon content of these materials, we can tune their physical composition from free flowing liquids, to amorphous glasses, to cross-li…
determinada a eficincia trmica da soldagem. Os resultados foram consistentes e validaram o modelo matemtico/computacional proposto. Uma inovao
The beta-titanium alloys are promising materials for bioapplications but their processing via melting is difficult. Coarse grains have been observed in as-cast specimens. Subsequent thermo-mechanical processing seems to be necessary in order to obtain fine-grained microstructure with better mechanical properties. The…
Plasma enhanced chemical vapor deposition systems are massively deployed to grow numerous thin film coatings including hydrogenated amorphous silicon. A new deposition chamber was designed, procured, and constructed to investigate the plasma properties of a 100% silane (SiH4) glow discharge with varying chamber pressu…
The object of this thesis is to explore functionalized linear dicarboxylate ligands for constructing luminescent metal-organic framework (MOF) sensors. The first series of ligands developed is based on functionalized (E)-4,4'-(ethene-1,2-diyl)dibenzoic acids. Luminescent MOFs have been synthesized from these ligands a…
Phosphate bacteria (PB) are able to release P-adsorption by soil. PB effectiveness in releasing adsorption P controled by quorum sensing (QS) signal. PB produces a QS signal as N-acyl homoserine lactones (N-HSL). The aim of this study are to determine the type of N-HSL as QS signal of PB ( Pseudomonas trivialis, P. pu…
Interest in high performance portable energy devices for electronics and electric vehicles is the basis for a significant level of activity in battery research in recent history. Li-ion batteries are of particular interest due to their high energy density, decreasing cost, and adaptable form factor. A common goal of r…
Atomic layer deposition (ALD) was performed on copper patterned silicon substrates using zirconium precursor and ethanol as both an oxygen source and reducing agent. Ethanol targeted copper oxide formed on the copper surface, reverting it back to metallic copper. Selective ALD (SALD) of metal oxides on silicon surface…
Root canal instrumentation produces a smear layer that covers the surfaces of prepared canal walls. Smear layer is a debris consisting organic and inorganic particles that has to be removed for success of endodontic treatment. Propolis, natural product of the honeybee contain saponin compounds that are as surfactants…
Pentacyclo[4.2.0.02,5.03,8.04,7]octane, or cubane, is synthetic hydrocarbon molecule that consists of eight carbon atoms arranged at the corners of a cube. The aim of this work is synthesis of the apical disubstituated cubane which is considered for further ligand preparation.
This work is focused on the preparation of gelatin nanofibers modified with salts of oxidized cellulose. Gelatin is a biocompatible, biodegradable protein-based material with high absorption capacity, which is obtained by partial hydrolysis of natural protein - collagen. Oxidized cellulose and its salts are biocompati…
It has been shown recently that high-quality epitaxial graphene (EPG) can be grown on the SiC substrate that exhibits interesting physical properties and has great advantages for varies device applications. In particular, the multilayer graphene films grown on the C-face show rotational disorder. It is expected that t…
Background. Root canal instrumentation produces smear layer that covers the dentine tubules of the root canal surface that had been prepared. Smear layer is a debris that consisting of organik and inorganik particles that has to be removed to support the success of endodontic treatment. Propolis is a natural bee produ…
Microstructure changes that occur during the deformation and heat treatments involved in wrought processing of metals are of central importance in achieving the desired properties or performance characteristics in the finished products. However, thorough understanding of the evolution of microstructure during thermo-m…
Ce guide offre un acces rapide a des ressources imprimees et electroniques de base en genie nucleaire.
Ce guide offre un acces rapide a des ressources imprimees et electroniques de base dans le domaine des materiaux de pointe.
Ce guide offre un acces rapide a des ressources imprimees et electroniques de base dans le domaine des materiaux de pointe.
Ce guide offre un acces rapide a des ressources imprimees et electroniques de base dans le domaine des materiaux de pointe.
Meer inzicht in werkingsmechanismen van drie aminozuur-enzymen Het onderzoek van Gjalt Wybenga heeft tot doel het bepalen van de 3D structuren van drie enzymen (MesAT, VpAT and PAM) op atomaire resolutie met behulp van eiwit kristallografie. De enzymen katalyseren de overdracht van een aminogroep en kunnen zo β-aminoz…