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 143 for “"Ultra-Violet"”.
-
Synthesis and characterization of ultra violet curable renewable polymer graphite composites
… evaluate the synthesis and characterization of ultra violet (UV) curable renewable polymer graphite (RPG) composites. Accordingly, the renewable polymeric composites were prepared through a film slip casting method at room temperature wherein graphite particles of various weight loadings were …
-
Micro-patterned plasma and ultra-violet ozone modification of polymer surfaces.
… isopropyl alcohol (IPA) and acetone, and (ii) an Ultra-Violet/Ozone (UV/Ozone) oxidation treatment have been investigated as methods of influencing cell attachment behaviour. In particular, the effects of the surface oxygen chemistry, surface topography and water wettability on the attachment and …
-
The effect of ultra-violet light on thermophilic bacteria in sugar
Thesis: B.S., Massachusetts Institute of Technology, Department of Industrial Biology, 1935
-
Design and Evaluation of a Portable Ultra-Violet Microbial Disinfection Chamber
… and are currently in use. This thesis utilizes Ultra-violet light to eradicate the bacteria. A portable unit was constructed that contains the light bulb and fan. Two different trials were conducted: Controlled Laboratory trials and Fish Culture Room Trials. The Controlled Laboratory Experiments …
-
Interactions of single-crystal lithium niobate surfaces with ultra-violet laser radiation
… this thesis is to investigate the influence of ultraviolet laser light on single crystal lithium niobate surfaces with a focus on useful functionalisation. The investigations split naturally into three areas: effects on hydrophilicity by low intensity laser irradiation, effects on ferroelectric …
-
Control of surface interactions with ultra-violet/ozone modification at polystyrene surface.
… utilised the surface modification technique of Ultra-Violet/ Ozone to improve the polystyrene biocompatibility by oxidising the surface with additional polar oxygen functional groups without damaging the surface bulk property. UV/Ozone treatment utilised throughout this study produced …
-
Low resolution ultra-violet spectra of symbiotic stars. Developments over thirteen years
Consideration is made of 651 low resolution ultra-violet spectra of 19 symbiotic stars obtained from the archives of the 1TIE Space Observatory. A classification is made of these stars by considering the stability of the ratio of flux intensities of selected high energy emission lines from them. …
-
Optimisation and fabrication of ultra violet emitting CuC1 thin films by RF sputtering
Wide direct band gap CuCl is a promlslng candidate for the next generation Si based optoelectronics, thanks to its excellent properties such as high excltonic binding energy (190 meV) and a close lattice matching with Si. In this thesis, growth of CuCl using RF magnetron sputtering is investigated …
-
Novel ultra-violet/blue optoelectronic materials and devices based on copper halides (CuHa)
Considerable research is being carried out in the area of wide band gap semiconductor materials for light emission applications in the UV/Blue (300-400 nm) spectral range. This project explores the novel use of the Copper Halides (CuHa), specifically γ-CuCl and γ-CuBr, I–VII wide band gap mixed …
-
Effects of far ultra-violet radiation and oxygen on macromolecular synthesis and protein induction in Bacteroides fragilis Bf-2
This thesis deals with a study of the effects of far-UV radiation, oxygen and hydrogen peroxide on macromolecular synthesis and viability in the obligate anaerobe, Bacteroides fragilis, as well as the specific proteins induced in this organism by these different DNA damaging agents.
-
The binary system containing the pulsar PSR 1913+16 and ultra-violet and x-radiation from accreting magnetic white dwarfs
… Ap. J. , gQ3"" 196. Part II of the thesis treats ultra-violet and X-radiation from accreting magnetic white dwarfs. Matter from a companion star falling onto a white dwarf is shock-heated near the stellar surface and radiativaly cooled. I approximate the post-shock region by a uniform, …
-
New Aspects of the Chemistry of Quaternary Addition Reagents for the Electrocrystallisation of Zinc.
… these solutions, which could be followed. using ultra-violet and nuclear magnetic resonance spectroscopy. Analysis of the ultra-violet data has enabled the kinetics of these reactions to be deduced and this together with relevant information from the literature, has led to the hypothesis that the …
-
Some factors affecting the temperature coefficient of zinc sulphide type phosphors
… sulphide type phosphors continuously excited ultra-violet radiation. The way in which the temperature coefficient of the phosphors depends on the silver and nickel concentrations is discussed. It is also shown that the temperature coefficient depends on the nature of the base matrix. This is …
Page 1 of 8