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.
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Showing 1 to 20 of 41 for “"material analysis"”.
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Diffusing wave spectroscopy applied to material analysis and process control
… (DWS) was studied as a method of laboratory analysis of submicron particles, and developed as a prospective in-line, industrial, process control sensor, capable of near real-time feedback. No sample pre-treatment was required and measurement was via a noninvasive, flexible, dip in probe. …
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Determination of bioactive and potentially toxic compounds in food: raw material analysis and shelf life evaluation
… were identified in barley flours. HPLCESI/ MSD analysis in negative and positive ion mode established that barley free flavan-3- ols and proanthocyanidins were four dimers and four trimers having (epi)catechin and/or (epi)gallocatechin (C and/or GC) subunits. Hydroxycinnamic acids and their …
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Hybrid Illinois Device for Research and Applications material analysis test-stand development for characterization of fusion plasma-material interactions
… hybrid that is wholly dedicated to the study of material science, mainly research pertaining to fusion plasma facing components (PFCs). HIDRA’s long-pulse steady-state stellarator plasmas provide a unique plasma environment to test materials under the harsh conditions they will experience in a …
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Growth and Characterization of III-V Semiconductor Materials for MOCVD Reactor Qualification and Process Control
… for growing compound semiconductor structures. Material analysis techniques for characterizing the quality and properties of compound semiconductor material are explained and data from recent commissioning work on a newly installed reactor at the University of Illinois is presented.
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An extensive analysis and testing of wedding dress fabric
<p>This material analysis explores polyester satin, polyester chiffon, nylon tulle, silk organza, and silk taffeta that are utilized in the wedding gown industry today. Each of the five fabrics are extensively tested in the laboratory to determine cover factor, drape, abrasion, crocking (wet & …
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Electronic music instrument practice and the mechanisms of influence between technical design, performance practice and composition
… - stepped filters - and by combining a detailed material analysis of the intsruments with interviews, video and other evidence, I document the practices involved with their use. By rebuilding these instruments, and designing and building other devices, I test my hypotheses through my own …
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Experimental Validation of the Monte Carlo-based Shielding Design of the UIUC D-T Neutron Metrology Facility
… to nuclear engineering, medicine, security, and material analysis. We recently designed and set up a laboratory based on a D-T generator. The generator and ancillary equipment can be remotely monitored and operated. The generator will mainly be used to perform scatter-based experiments to …
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Instrumentation and Control of a Novel Device to Simulate a Hypersonic Environment
… associated with ground- testing evaluation of material responses within this extreme environment. In order to provide a low-cost, rapid option for preliminary material analysis within hypersonic applications, a novel device is under production to replicate this environment on the surface of …
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Development of a multipurpose near-field imaging platform
… for multiple fields - Condensed Matter Physics, Material Science, Chemistry, and Biology. This high potential is met with the special requirements of sub-nanometer SPM, and the resulting instrument is usually sophisticated, expensive, and requires continuous maintenance. Therefore, we propose …
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Effect of size and surface structure manipulation on the luminescent properties of silicon nanoclusters
… dimension represent a transitional scale between materials with crystalline order and molecules. Quantum confinement of the carrier wavefunction within such structures may significantly alter their electronic behavior. Additionally, the effect of surface reconstruction becomes substantial at this …
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Thaba-Bosiu, the birthplace of the Basotho nation: a historical archaeological study
… who lived in this revered place. A variety of material culture, primarily beads, local and foreign ceramics, faunal remains and other foreign material were uncovered and analysed. The conclusions made from material analysis reveal the daily practices, economic activities, and interactions of …
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Burning Issues: An archaeozoological approach interpreting the significance of burnt and cremated faunal assemblages in Neolithic Orkney
… assemblage with an emphasis on the inclusion and analysis of burnt bone. Stereotypically, burnt bone is harder to describe than unburnt due to its highly fragmentary nature and the morphological changes induced by combustion (Shipman, Foster and Schoeninger, 1984a; Lyman, 1994; Stiner et al., …
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Alveolar Erosion and its Conservation Recommendations for the Sandstone Masonry at Durham Castle
… research, on-site survey and investigation, and material analysis including thin section petrography, soluble salt and clay identification, porosity, and water absorption/desorption. This study concludes with possible sources of alveolar erosion at Durham Castle and conservation recommendations …
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Matthew Boulton and Francis Eginton’s mechanical paintings: production and consumption 1777 to 1781
… the unknown process, and the lack of scientific material analysis has resulted in several confusing theories of production. This thesis’s use of the Archives of Soho, containing Boulton’s business papers, has cast light on the production and consumption of mechanical paintings, while …
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The analysis of the use of the internet versus print based material on marketing of Tanzania breweries Limited
… products by comparing internet and print based materials used and explore the reasons why such a medium was mostly used than electronic means. The study deploy Questionnaires and interviews moreover data analysis done using SPSS software and data presented in tabulations and graphical means. …
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On Hypothetical Contracts
… By invoking Foucault’s historicism and Hobbes’s materialism, I maintain that one way to justify political practices follows from conceiving the activity of political power in material terms. This materialism, moreover, makes room for recognizing multiple forms of power relations that have …
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An osteological and historical examination of the Presbyterian Forest Centre Cemetery, Prince Albert, Saskatchewan
… Coordination and completion of cultural material analysis was performed by Amanda Boechler, an undergraduate archaeology student of the University of Saskatchewan and Mark MacKenzie of the Western Development Museum. Preliminary results may be found within the final site report issued by …
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The manufacture and commercial applications of metastannic acid and of tin dioxide based semiconducting materials
… parameters controlling the manufacture of the material. Once these criteria had been defined it was hoped that it would be possible to design a full sized manufacturing plant for the production of metastannic acid of a fine particle size. Several series of investigative experiments into …
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Correlação entre os ensaios de esclerometria pendular e método charpy para aços SAE 1080
More and more practicality and speed in material analysis processes are sought. One of the techniques to quantify the toughness of metallic samples is the Charpy method. However, the application of pendulum scratching test analyses to obtain properties such as toughness and dynamic hardness can be …
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A method for direct coupling of supercritical fluid extraction and supercritical fluid chromatography with application to the analysis of nonvolatile coal derived products
… nonvolatile or thermally labile compounds, whose analysis with gas chromatography is impossible. The work presented here demonstrates a system that allows supercritical fluid extraction of the sample with subsequent direct introduction of a fraction of. this extract onto the column for analysis …
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