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Showing 1 to 19 of 19 for “"Reaction Method"”.
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Análise de placas circulares sobre base elástica
The subgrade reaction method and that of the rigidity modulus were applied in order to calculate the model foundation plate, built in acrilic and supported on a sandy foundation very carefully mounted. Comparing the theoretical resulta with the ones experimentally reached, we can define, in this …
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Interação estaqueamento - meio homogêneo
A genral method of solution for vertically loaded pile groups, embedded in an homogeneous linear elastic medium, is presented in this work, with the intention of predicting displacents, rotations and forces distribution along the piles, considering pile-soil interaction. The present analysis is …
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The sintering effection of time, temperature, and ZnO additions on (Ca₀.₆,Mg₀.₄)Zr₄(PO₄)₆ [CMZP] ceramics
… powder (CMZP) synthesized via a new solid-state reaction method was investigated for application as a thermal barrier in next generation internal combustion engines. Specifically, CMZP is being considered as a potential material for the manufacture of exhaust port liners to increase the overall …
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Magnetic and Dielectric Properties of Cu3-xNixWO6 and Cu3W1-xMoxO6
… were made by using the standard Solid Phase Reaction method with and without any doping. Using Powder x-ray diffraction and Rietveld analysis, we did not observe any distortion of the cubic crystal. Ni substitution for Cu, and Mo substitution for W, will act as a negative pressure on the …
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Crystal and spin structure and their relation to physical properties in some geometrical and spin spiral multiferroics
… samples of HCO were prepared by solid-state reaction method and the phase purity is confirmed by x-ray diffraction measurements. From magnetization measurements we determined magnetic ordering temperature and also an indication of antiferromagnetic exchange interactions is found. The thermal …
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The Design, Synthesis and Characterization of Lanthanide-based Nanomaterials and Their Use in 3D Biological Imaging and Radiation Dosimetry
… fundamental influences on the coprecipitation reaction method and ultimately manipulating the synthetic techniques to achieve meaningful changes in the emission properties without changing the overall composition of the nanoparticle. An injection reaction method is developed that allows for …
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Anode Material Testing for Marine Sediment Microbial Fuel Cells
… by using relative real-time polymerase chain reaction method and aragose gel electrophoresis.</p>
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Study on structure, surface morphology, electrical and magnetic properties in monovalent doped Pr0.75Na0.25Mn1-xCrxO3 AND Nd0.75Na0.25Mn1-yCryO3 of magnetic ceramics
… have been synthesized using solid-state reaction method and the crystalline phase, surface morphology and magnetic properties as well as electrical properties were reported. Cr3+ have been chosen in this study due the electronic configuration which similar to Mn4+ where it is possibly …
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Influence of ag-doped on magnetic and electrical transport properties in Pr0.75Na0.25MnO3 manganites
… 0 – 0.10) manganites was prepared by solid-state reaction method. All samples have been characterized using the X-ray diffraction (XRD) and scanning electron microscope (SEM) as well as DC electrical resistivity and AC susceptibility measurement to clarify the influence of Ag-doped on monovalent …
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Structural, electro-magnetic and electrical analysis in monovalent doped Nd0.75Na0.25-xKxMnO3 manganites
… 0.10) samples were prepared using solid state reaction method. K doped manganites have been investigated to study its effect on crystalline phase and surface morphology as well as electrical transport and magnetic properties. However most of study show inconsistent result regarding to the …
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Gene Knockout Of PRFA And The Arginine Deiminase Pathway In Listeria Monocytogenes
… The splicing overlap extension polymerase chain reaction method was used for genetic manipulation in this study. The 6.9 kb shuttle vector pKSV7 was used to introduce the spliced genetic insert into the wild type strain. The pKSV7-AD vector for the Δarc was successfully introduced into L. …
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Asymmetric Transfer Hydrogenation of Secondary Allylic Alcohols
… the developments and optimization of a new reaction method that transforms racemic secondary allylic alcohols into optically active secondary alcohols. The key step in this methodology occurs through a ruthenium catalyzed tandem isomerization and asymmetric transfer hydrogenation reaction. …
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Tailored Chain Sequences of Brominated Syndiotactic Polystyrene Copolymers via Post-Polymerization Functionalization in the Heterogeneous Gel State
… a simple, post-polymerization functionalization method conducted in the heterogeneous gel state, and investigates the effect of sPS reaction state and sPS/solvent gel morphology on the copolymer microstructure and thermal properties. Gel-state (Blocky) brominated copolymers were prepared from a …
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Biofuels production from hydrotreating of vegetable oil using supported noble metals, and transition metal carbide and nitride
… of tar and coke were generated during the reaction though a high yield (21%) of jet fuel was obtained from the process. Compared to the catalytic cracking process, less tar and coke were formed during the hydrocracking process and stable continuous flow reaction was obtained by using the …
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Development of Li0.33La0.56TiO3 based Solid Electrolyte Materials
… from the SEM image. The modified sol-gel method has been proved that it is an efficient way to synthesize LLTO with low reaction temperature and short reaction time compared with the traditional physical reaction method. The pure LLTO pellet was fabricated with a 10(-4) S/cm grain …
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Pressure drop, liquid holdup and mass transfer in a graphite fibre bed with upward co-current gas-liquid flow
… G = gas load^kg/m2s The quick closing valve method was used to measure the total liquid holdup in a graphite fibre bed 356 mm long by 38 mm wide by 3mm thick. Oxygen and 1M aqueous sodium hydroxide were the fluids used for the total liquid holdup measurements. For gas load 0 5 G 5 0.35 kg/m2s …
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High throughput methods for synthesis and impedance characterisation of ABO3 gas sensing materials
… of different materials in short time. The polyol method enabled the preparation of a wide range of different ABO3 compounds. The fast and simple reaction method allowed mixing on the molecular level and bulk doping of the materials during the preparation. Nanoscaled compounds that crystallised …
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Critical size for bulk-to-discrete transition and segment-induced size effect melting of 2D aliphatic layers
… and 2D Ag-S slabs. Two novel synthesis methods are complementarily combined to obtain AgSCn lamellar crystals with variable number of layers (m=1-4 and >10) and variable chain lengths (n=1-16). The vapor phase method is capable of controlling the number of layers for the synthesis of …
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Thermomechanical properties of novel lanthanum zirconate based thermal barrier coatings - an integrated experimental and modeling study
… LZ powders are fabricated using the solid-state reaction method, and all of the coatings are deposited using air plasma spray (APS) technique. The physical, thermal and mechanical properties of the sprayed LZ coatings have been systematically investigated, including temperature-dependent thermal …