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Showing 1 to 20 of 55 for “"Particle size analysis"”.
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A Study of Holography for Spherical Particle Size Analysis
Made available in DSpace on 2014-12-08T22:24:43Z (GMT). No. of bitstreams: 1 7000993.pdf: 3734326 bytes, checksum: c9841c37f43a9a6098caecc71639ea09 (MD5) Previous issue date: 1969
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The Characterization of Dried Aluminum Hydroxide Gel Suspensions: Particle Size Analysis and Thermal Analysis
… of dried aluminum hydroxide suspensions. Particle size analysis was performed using sieving, hindered settling theory and laser diffraction. Dried aluminum hydroxide suspensions were prepared in various dispersion media eg. Purified Water USP, 0.01%, 0.03% and 0.05% PEG 1000 solutions. The …
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Using Particle Size Analysis to Separate the Deposition of a Bonebed and Artifact at the Wenas Creek Mammoth Site
… claimed for numerous more. A close interval particle size analysis was performed on 2 column samples from the WCMS with the intention of identifying microstratification that would separate the bonebed from the artifact. Although no conclusive evidence for microstratification was determined …
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IN VITRO ΚΑΙ IN VIVO ΜΕΛΕΤΕΣ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΤΩΝ ΠΡΩΤΕΙΝΩΝ ΣΤΗ ΔΙΑΛΥΤΟΠΟΙΗΣΗ ΚΑΙ ΑΠΟΡΡΟΦΗΣΗ ΔΙΚΟΥΜΑΡΟΛΗΣ ΝΙΤΡΟΦΟΥΡΑΝΤΟΙΝΗΣ ΚΑΙ ΣΟΥΛΦΑΜΕΘΙΖΟΛΗΣ
… SURFACE TENSION MEASUREMENTS WERE MADE AS WELLAS PARTICLE SIZE ANALYSIS OF THE POWDERS. THE EFFECT OF LOW FAT MILK ON THE BIOAVAILABILITY WAS ALSO STUDIED. FINALLY, A NEW DOSAGE FORM WAS SUGGESTED: THEFREEZE DRIED (LYOPHILIZED) DRUG-MILK FORMULATIONS SHOWED FASTER AND MORE CONSISTENT ABSORPTION …
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Synthesis and Characterization of Aluminum-Carbon Nanotube Composite by Cryogenic Milling
… powders with 5 wt.% and 10 wt.% CNT were synthesized by cryogenic milling of the blended component powders. Stearic acid was used as a process control agent to minimize agglomeration of the powders upon milling. CNT reinforcement of the Al powder was successfully obtained while maintain CNT …
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Role of oxidants in the removal of iron and organics from Harwood's Mill Reservoir
… were performed to determine with which molecular size range of organic matter the iron may have been associated. Particle-size analysis was used to further examine the chlorination phenomenon. The low iron concentrations in the raw water were removed easily under any experimental condition. …
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The role of biopolymers in thickening and dewatering of activated sludge
… resistance increased as sludge pH increased. Particle size analysis of biological sludge showed an increase in particles with mean size less than 10 microns as sludge pH was increased. No significant relationship was observed between sludge settling and biopolymer concentration in the sludge …
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Production of silver-loaded zeolites and investigation of their antimicrobial activity
… were characterized by X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM), energy dispersive X-ray (EDX) analysis, particle size analysis and Fourier transformed infrared (FTIR) spectroscopy. Studies showed that the amount of silver ions loaded into the zeolites frameworks …
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Study of Rehydration Properties of Powder Produced from Chelated Skim Milk
… had higher levels of solubility as measured by particle size analysis of reconstituted 10%TS samples (p-value</p>
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The Effects of Phytosterols on Lipoprotein Particle Size
… through other mechanisms, such as lipoprotein particle size and inflammatory markers, remains unclear. PURPOSE: The primary aim of this study was to examine the effects of two forms of PS in milk on lipoprotein particle size, inflammatory markers and fat-soluble vitamins. METHODS: Twenty …
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Admicellar Polymerization to Compatibilize Calcium Carbonate With Oil-Based Drilling Mud
… Triton X-100 adsorbed on the CC surface. BET N2 particle size analysis, Soxhlet extraction of the coated polymer, Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectra analysis, and thermogravimetric analysis (TGA) of the treated CC and polymer extract confirmed the …
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Produção de grês porcelanato a partir de matérias-primas do estado da Bahia
… by X-ray fluorescence, X-ray diffraction, particle size analysis, thermal gravimetric analysis, thermal differential analysis and dilatometric analysis. Admixtures containing different compositions were prepared and fired at four temperatures, 1100 ºC, 1150 ºC, 1200 ºC and 1250 ºC with …
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Investigating the redispersibility of calcium carbonate
… drying and spray drying for redispersibility analysis. The powder properties were compared using laser diffraction for particle size analysis and zeta potentials, scanning electron microscopy, gas adsorption for surface area analysis, shear rate controlled rheology tests and compressive load …
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Encapsulation of nanomagnetite within polycaprolactone microspheres for bone replacement
… bone graft replacement combining magnetite nanoparticles with polycaprolactone (PCL) to produce a material that can soften in response to the application of an alternating magnetic field. The magnetite nanoparticles were synthesized by a non-surfactant method and then emulsified with PCL. …
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Recovery of Channel Morphology and Benthic Macroinvertebrate Assemblages after Livestock Exclusion
… density and diameter, soil bulk density, and particle-size analysis. Benthic macroinvertebrates were collected with a D-frame dip net and quantified using the Virginia Stream Condition Index (SCI), and other benthic macroinvertebrate metrics. We determined that: 1) small lengths of livestock …
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Development and Scale-Up of ‘The Bradford Process’ for the Production of Titanium and Titanium Alloys
… partial/full reduction reactions. With analysis performed using scanning electron microscopy with energy dispersive X-rays (SEM-EDX), inert gas fusion (IGF), powdered X-ray diffraction (P-XRD) with Rietveld refinement, and particle size analysis (PSA). The research identified that the …
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Range of and relationships between physical and hydraulic properties of commonly available denitrifying bioreactor woodchips
… hydraulic conductivity (Ksat), porosity, and particle size are key physical parameters of woodchip media for denitrifying bioreactor design. Current design guidelines can be improved by analyzing more woodchip types and the effects of overburden on woodchip properties. The objectives of this …
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Powder Processing and Characterization of W-3Ni-1Fe Tungsten Heavy Alloy
… 15 to 100 hours and 1000 to 1300°C respectively. Particle size analysis and SEM showed a bimodal particle size distribution with most of the particles below 10 µm in size. XRD peak broadening analysis showed crystallite size to be reduced to below 50 nm, while peak shifting indicated a reduction …
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Impact of Conservation Tillage on Soil Erosion and the Agronomic Performance of Flue-Cured Tobacco
Conservation tillage tobacco production has gained little producer acceptance since introduction in the late 1960's. Yield reductions, tobacco quality issues, unacceptable weed control, and inadequate planting equipment limited practice adoption and substantiated the need for continued research. …
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Suitability of Thulamela Clays for Use in The Ceramic Industry: A Case Study in Thulamela Municipality, Limpopo Province, South Africa
… and mineralogical properties. A comprehensive analysis was conducted using various tests, including particle size analysis, Atterberg limits, X-ray fluorescence (XRF), and X-ray diffraction (XRD). The study evaluated the clays' strength, cracking, water absorption, and linear shrinkage during …
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