Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 63 for “"energy dispersive spectroscopy (EDS)"”.
-
QUANTIFICATION OF LOW ENERGY X-RAY DETECTION IN EDS DETECTORS
A new approach to characterize low energy performance of energy dispersive spectroscopy (EDS) detectors for application in scanning electron microscopy is proposed. In this approach an empirical parameter is computed from the x-ray spectra. This parameter represents absorption of lower energy …
-
Single Step Synthesis of Antibiotic Kanamycin Embedded Gold Nanoparticles for Efficient Antibacterial Activity
… like Transmission Electron Microscopy (TEM), Energy Dispersive Spectroscopy (EDS), Fourier Transform Infrared Spectroscopy (FTIR), and Ultra-Voilet/Visible spectroscopy (UV/Vis spectroscopy). The following research is a direct bio-friendly embedment of an antibiotic agent on the surface of the …
-
Thermomechanical property evaluation of molybdenum alloys
… using Scanning Electron Microscope (SEM) and Energy Dispersive Spectroscopy (EDS) and the micro cracks were detected, which were developed due to the thermal stresses.
-
Investigation into coatings produced from nanoparticle blended feedstock for rotating equipment repair applications
… with conventional and nano particle blended feedstock material is considered in relation to repair applications of rotating equipment. Gas Metal Arc Welding (GMAW) and Wire Arc Spray (WAS) processes are used to produce the coatings on carbon steel workpieces. The wire arc sprayed workpieces are …
-
Synthesis And Polymerization Of Bifunctional Five-membered Cyclic Dithiocarbonates And Their Use As Stabilizers For Magnetic Nan
… and carbon nuclear magnetic resonance (NMR) spectroscopy, gas chromatography-mass spectroscopy, and Fourier transmission infrared (FTIR) spectroscopy. The polyaddition polymerization of 1,3-oxathiolane-2-thione with 1,4-diaminobutane at room temperature resulted in a poly(thiourethane) …
-
Electrochemical synthesis of functional nanowires
… deposition of CdSe nanowires was confirmed by energy dispersive spectroscopy (EDS) analysis, with an average Cd:Se atomic percentage of0.92. Structural characterizations were done on the synthesized nanowires via scanning electron microscopy (SEM), transmission electron microscopy (TEM), and …
-
Synthesis and electrical property measurements of individual layered transition metal dichalcogenide nanotubes and nanowires
… (SEM), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD). Information about the shape, identity, and nanostructure was gained utilizing these techniques. Electron beam lithography was used to make electrical contacts to the nanowires. Once …
-
Integrated approach to solving reservoir problems and evaluations using sequence stratigraphy, geological structures and diagenesis in Orange Basin, South Africa
… (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and stable carbon and oxygen isotopes geochemistry to determine the diagenetic alteration at deposition and post deposition in the basin. The shale samples were subjected to Rock-Eval pyrolysis and accelerated …
-
Avaliação mecânica e microestrutural pós forjamento da liga de níquel 718 com adição de ítrio
… examined by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD) and tensile tests. Two alloys with nominal yttrium contents of 0.1% and 1% in weight and a reference alloy with no yttrium addition were melted, forged, solubilized and aged. It was …
-
Genetically engineered phage fibers and coatings for antibacterial applications
… of the free-standing fibers is confirmed via energy-dispersive spectroscopy (EDS) and inductively-coupled plasma atomic emission spectroscopy (ICP-AES), showing -0.61,pg/cm of silver on E3-Ag fibers. This degree of silverization is threefold greater than that attainable for the unmodified …
-
Mixing of nanoparticles in a stirred tank in high pressure carbon dioxide
… analysis of the surface of the pellet using energy-dispersive spectroscopy (EDS). Effect of pressure in the range of 400 to 2000 psi, mixing time, and mixing speed on mixture homogeneity was studied.
-
Investigation into laser re-melting of inconel 625 HVOF coating blended with WC
… out using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). X-ray diffraction (XRD) technique is used to determine the residual stress developed in the coating while the analytical formulation is adopted to predict the residual stress levels at the coating base material …
-
Oxidized mesoporous ZrO2/carbon composites for arsenic removal
… oxidized composites were characterized by X-ray energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FT-IR). Preliminary experiments showed a relatively low adsorption capacity of unoxidized composites, while air oxidation …
-
The effect of calcium and magnesium on carbonate mineral precipitation during reactive transport in a model subsurface pore structure
… mineral polymorphs were determined using Raman spectroscopy. Although Mg was present, only calcium carbonate (CaCO3) polymorphs were observed. The presence of Mg affected both the rate of precipitation and the prevalence of different CaCO3 morphologies. The rate of precipitation with 40mM Mg was …
-
Exploration of Mycoremediation Candidate Screening: Uptake and Tolerance of Bismuth by Native Fungi
… The bismuth uptake was determined using energy dispersive spectroscopy (EDS). The results demonstrated that all environmental fungi tested could grow in the presence of bismuth and there was evidence of uptake by the four fungi tested, especially in T. villosa, however there was not a …
-
Mechanical and metallurgical properties of two-layered diamalloy 4010 and 2002 HVOF coating
… Scanning Electron Microscope (SEM) and Energy Dispersive Spectroscopy (EDS). The indentation tests were carried out to evaluate the microhardness and surface elastic modulus of the resulting coatings. The mechanical properties of the coatings were examined through tensile and three-point …
-
Microstructure, Quasi-Static, And High-Strain Rate Dynamic Characterization Of Metakaolin And Fly Ash Based Geopolymers For Structural Applications
… included Scanning Electron Microscope (SEM), Energy Dispersive Spectroscopy (EDS), X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), and Thermal Gravimetric Analysis (TGA). The mechanical properties were evaluated from nanoindentation and monotonic experiments. Spatially correlated …
-
Revestimentos a base de Ta/Al2O3 produzidos por aspersão térmica sobre substrato metálico
… two materials were mixed and ground into high-energy mill, then immersed in the torch for the production of alumina coating infused with particles of tantalum with nano and micrometric size. The spraying equipment used is a plasma torch arc not transferred, which operating in the range of 250 A …
-
Synthesis and Characterization of Nanocrystalline Niobium Aluminides by Laser Ablation Technique
… varying the processing variables such as laser energy density and He backing gas pressure. Ablation rate is relatively insensitive to the variation of He gas pressure. However, we observe a threshold laser energy density above which the ablation rate does not increase. Collection rate of powders …
-
Zirconium nitride contacts for cadmium telluride solar cells
… to be 4.1 eV by ultraviolet photoelectron spectroscopy (UPS). Transmission electron microscopy (TEM) indicated that the ZrN grew as columnar crystals perpendicular to the surface of CdTe with a rock-salt structure and (111) texture. A 2-3 nm thick amorphous layer of ZrN was observed at the …
Page 1 of 4