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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Copper-oxides catalyzed polyethylene depolymerization in a pilot-scale reactor

Wang, Bing. January 2000 (has links)
Thesis (M.S.)--Ohio University, November, 2000. / Title from PDF t.p.
42

Inhibition of copper corrosion by surface modification /

Duan, Yvonne Yanwen. January 1995 (has links)
Thesis (Ph.D.)--University of Western Sydney, Nepean, 1995. / Bibliography: leaves [214]-227.
43

Topics in electronic structure and spectroscopy of cuprates a dissertation /

Lin, Hsin, January 1900 (has links)
Thesis (Ph. D.)--Northeastern University, 2008. / Title from title page (viewed April 3, 2009). Graduate School of Arts and Sciences, Dept. of Physics. Includes bibliographical references (p. 129-136).
44

The reduction of copper oxide by carbon monoxide and the catalytic oxidation of carbon monoxide in presence of copper and of copper oxide

Jones, Howard Algernon, January 1900 (has links)
Thesis (Ph. D.)--Princeton University, 1922.
45

The reduction of copper oxide by carbon monoxide and the catalytic oxidation of carbon monoxide in presence of copper and of copper oxide

Jones, Howard Algernon, January 1900 (has links)
Thesis (Ph. D.)--Princeton University, 1922. / Description based on print version record.
46

Studies of thermal phase fluctuations in severely underdoped YBCO films

Zuev, Yuri L., January 2005 (has links)
Thesis (Ph. D.)--Ohio State University, 2005. / Title from first page of PDF file. Document formatted into pages; contains xvii, 109 p.; also includes graphics (some col.). Includes bibliographical references (p. 105-109). Available online via OhioLINK's ETD Center
47

Evaluation of sterling silver as a contacting material for the cathode chamber of the solid-oxide fuel cell

Sakacsi, John. January 2006 (has links)
Thesis (M.S.)--West Virginia University, 2006. / Title from document title page. Document formatted into pages; contains vi, 100 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 98-100).
48

Models for inhomogeneities and thermal fluctuations in two-dimensional superconductors

Valdez-Balderas, Daniel, January 2007 (has links)
Thesis (Ph. D.)--Ohio State University, 2007. / Title from first page of PDF file. Includes bibliographical references (p. 126-133).
49

Theoretical Studies of Unconventional Superconductivity in Materials with Strong Electronic Correlations

Karp, Jonathan Judah January 2022 (has links)
We use a combination of Density Functional Theory and Dynamical Mean Field Theory (DFT+DMFT) to study electronic correlations in unconventional superconductors, with a focus on nickelate analogs of cuprate superconductors. We study the infinite layer nickelate superconductor NdNiO₂ in parallel with the isostructural CaCuO₂. Our results point to superconductivity in the nickelate being cupratelike, with correlations dominated by a hybrid Ni-𝑑_{𝑥²-𝑦²} and O-𝑝 band, and with the extra bands not contributing substantially to the superconducting state. We find that the infinite layer nickelate NdNiO₂ and the trilayer nickelate Pr₄Ni₃O₈ are virtually identical in terms of correlation physics when compared at the same chemical doping, despite the differences in Fermiology, indicating that the number of layers can stand in for chemical doping for some properties related to electronic correlations. We find that as opposed to in narrow window DFT+DMFT, in wide window DFT+DMFT the choice of downfolding procedure leads to very different results. This is an important ambiguity in the method that must be resolved or the method is incomplete by itself. We also study Sr₂MoO₄ in parallel with the Hund's superconductor Sr₂RuO₄, and find that Sr₂MoO₄ is a particle-hole dual of Sr₂RuO₄ but without the van Hove singularity at the Fermi level, which disentangles the influence of the van Hove singularity from Hund's physics. We show that Sr₂MoO₄ has a characteristic Hund's peak on the occupied of the spectral function, indicating that the peak should be observable by photoemission experiments.
50

Production of Green Fuel: A Digital Baffle Batch Reactor for Enhanced Oxidative Desulfurization of Light Gas Oil Using Nano-Catalyst

Hameed, S.A., Nawaf, A.T., Mahmood, Q.A., Abdulateef, L.T., Jarullah, A.T., Mujtaba, Iqbal M. 04 July 2022 (has links)
Yes / A digital baffle batch reactor (DBBR) for oxidative desulfurization (ODS) reactions is designed and applied here in order to reduce the sulfur concentration presented in light gas oil (LGO) based on a novel homemade nano-catalyst (Copper Oxide (CuO)/Activated Carbon (AC)). With efficient impregnation, good pore size distribution, high activity and higher surface area, the designed nano-catalyst (CuO/AC) demonstrated excellent catalytic efficiency. To evaluate the effectiveness of nano catalyst (prepared experimentally), several experiments related to ODS reactions using the digital baffle batch reactor are carried out under moderate process conditions (reaction temperature (100, 120 and 140 °C), contact time (15, 30 and 45 min) and oxidant (H2O2) amount (2, 3 and 5 ml)). The experimental outcomes indicated that increasing the reaction temperature, batch time and oxidant amount lead to reduced sulfur concentration of oil feedstock leading to a greener fuel. The efficiency of sulfur conversion is reported to be 83.1 % using the modified nano-catalysts and new reactor (DBBR) at reaction temperature 140 oC, batch time 45 min and H2O2 amount of 5 ml. So, such new results using DBBR for ODS reactions based on CuO/AC as a new modified nano catalyst has not been reported in the public domain and it is considered as new results.

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