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 147 for “"Surface characteristics"”.
-
Surface Characteristics of Bacillus Spores
… for hydrophobicity by hexadecane partitioning, surface morphology by scanning electron microscopy, and steady-state fluorescence by spectroscopy. The morphology of spores was similar within taxonomic groups and dissimilar between groups. Spore hydrophobicity ranged from 0.3% to 65% and all …
-
Surface Characteristics of Silica Polyamine Composites
… goals of this dissertation were to explore the surface characteristics of silica polyamine composites (SPC) by elucidating coordination environments, measuring surface stability, and comparisons with analogous materials. Application of SPC materials as supports for heterogeneous catalysts was …
-
Surface Characteristics of Silica Polyamine Composites
… goals of this dissertation were to explore the surface characteristics of silica polyamine composites (SPC) by elucidating coordination environments, measuring surface stability, and comparisons with analogous materials. Application of SPC materials as supports for heterogeneous catalysts was …
-
Surface characteristics of near-earth objects
… the upper few millimeters of an asteroid's surface to produce the higher red slope and reduced absorption bands seen in spectra. However, asteroids in the near- Earth region, which are generally smaller than those found in the main belt, have not shown signs of space weathering as much as …
-
New Technologies for Evaluating Putting Green Surface Characteristics
… ability of the turfgrass to exist as a playing surface, as it interacts with the golf ball. For golf course superintendents, accurately and efficiently assessing moisture levels and nutrient status are critical for guiding maintenance practices. This research sought to examine new ways for …
-
Pavement Surface Characteristics Evaluation Using Vehicle-Based Data Collection
Various methods are used to collect pavement surface conditions, varying from manual checks by employees to specialized equipment. However, traditional methods usually require expensive specialized equipment and are time-consuming and costly. This thesis examines the use of connected vehicles (CV) …
-
Mesoporous organosilica materials with amine functions : surface characteristics and chirality
… and self-assembled. This leads to a high surface area functionality which is analysized with copper (II) and water adsorption.
-
Paper and printed paper surface characteristics studied using an optical method
A non-contact optical method for evaluating surface characteristics is reviewed. The optical reflectance instrument has been improved to be able to evaluate printed surfaces. Experiments were conducted with solid prints prepared on two types of papers printed with a heatset yellow ink. Both paper …
-
Enhancing the Biodistribution and Physicochemical Properties of Gold Nanoparticles by Modifying their Surface Characteristics
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Effects of Surface Characteristics of Hydroxyapatite and Substituted Hydroxyapatites on Protein Attachment and Angiogenesis
… years, it remains unclear how distinct material characteristics influence the bioactivity due to the intertwined nature of physical and electrochemical surface properties. The main objective of this work was to develop a methodology that enables deconvolution of topographical and electrochemical …
-
Manufacturing of a fast-dissolving dosage form - investigating powder handling and control of surface characteristics
An early stage in the manufacture of a proprietary fast dissolving dosage form (FDDF), involves dissolution/suspension of the active agent in an aqueous solution. To allow use of aqueous labile drugs and/or coated drug particles in the FDDF, the development of an alternative approach is sought i.e. …
-
Comparison of Surface Characteristics of Hot-Mix Asphalt Pavement Surfaces at the Virginia Smart Road
Pavement surface characteristics are important to both the safety of the pavement surface and the comfort of the drivers. As of yet, texture and friction measurements have not been incorporated into the design of pavement surfaces. Seven different wearing surface mixtures, placed at the Virginia …
-
Investigation of Plume Expansion and Target Surface Characteristics of a Micro Laser Plasma Thruster for Satellite Application
Made available in DSpace on 2017-07-06T18:56:01Z (GMT). No. of bitstreams: 3 Reilly_Michael_P_MS.pdf: 55061972 bytes, checksum: e94f783552dd14bb02f96ea4b7b7e8db (MD5) Reilly_Michael_P_MS_ABS.pdf: 962544 bytes, checksum: 04b8b5608a5716a486cefb523e29791f (MD5) license.txt: 4813 bytes, checksum: …
-
Investigation of the Interactions Between Sanitizers, Surface Characteristics, Washing Conditions, and Bacteria for Improving Microbial Safety of Fresh Produce
… may have different bactericidal mechanisms. The surface roughness value obtained from 3-D images reconstructed from 2-D images acquired with a CSLM was in good agreement with that measured with a surface profilometer. The surface roughness played an important role in the removal and inactivation …
-
Clear aligner attachment removal techniques – an in vitro comparison of removal time residual composite, enamel surface characteristics, enamel loss, and material cost
… composite resin attachments on the facial surfaces of the patient’s teeth to aid in robust tooth movements.6 Differing from traditional metal bracket adhesive, CA attachment removal can be more challenging and time consuming, as the attachments contain a larger volume of resin to …
-
The application of a machine vision system to relate to froth surface characteristics to the metallurgical performance of a PGM flotation process
… between the structure of the flotation froth surface, flotation performance and selected operational parameters in a flotation operation aimed at the beneficiation of Platinum Group Minerals. The machine vision system employed made use of the Fast Watershed Transform to resolve the froth …
-
The effect of polysaccharides and inorganic dispersants on the surface characteristics of talc and the effect on the flotation performance of a Merensky ore
… and an inorganic dispersant on the surface characteristics of talc and how this relates to the flotation performance of Merensky ore. The rationale in investigating the talc changes are due to its naturally flotable nature and the downstream problems that result from its reporting to …
-
PECVD of silicon and titanium based coatings to enhance the biocompatibility of blood contacting biomedical devices
… reaction between the blood components and the surface of the implant. Proteins present in the blood will be the first components to become adsorbed on the surface of the biomaterial. Studies show that the protein fibrinogen present in the blood plasma is the major initiator of inflammatory …
-
Evaluation of implant restoration retention on various custom abutment materials and surfaces
… selecting the appropriate abutment materials, surface characteristics, and cement type, based on finding the right balance between the desired level of retention form and the potential need for retrievability for each patient case. The purpose of this study was to evaluate the forces needed to …
-
Methods for increasing customization in rapid machining patient-specific bone implants
… methods for increasing the customization of the surface characteristics of rapid machined patient-specific bone implants. A bone implant is a medical device that is used for replacing missing or damaged bone tissue in a patient's body. It is possible for a bone implant to have three different …
Page 1 of 8