Index Catalog // ScholarsArchive@OSU

Understanding the principles and procedures to retain green and red pigments in thermally processed peels-on pears (Pyrus communis L.)

Creator:: Ngo, Thao Xuan
Abstract:: Thermal stabilization of chlorophyll and anthocyanin on pear peels during thermal process was investigated in this study. The green color of peels-on thermally processed (canned) pears was successfully retained by complexation of magnesium-free chlorophyll with zinc ions, and the red pigments were stabilized through anthocyanin-stannous complexation and polymerization of pear...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Thao Xuan Ngo for the degree of Doctor of Philosophy in Food Science

Deep-sea sediment paleomagnetism : a case study from the North Atlantic

Creator:: Strano, Sarah Elianna
Abstract:: Sedimentary records from the North Atlantic, instrumental in the development of modern paleo-geomagnetic concepts, show a highly variable field even during times of constant polarity. Yet, our understanding of how the magnetization is acquired in the sediments is poorly understood. Primary magnetizations preserved in deep-sea sediments are known to be...
Resource Type:: Dissertation
Full Text:: remainder of my lab group, especially Jason Dorfman and Robert Hatfield, Chuang Xuan, Yuxi Jin, and

Development of a Rapid Power Transient Critical Heat Flux Model

Creator:: Brown, Emory G.
Abstract:: The understanding of critical heat flux is crucial for the safety of nuclear reactors. To this end, many studies have been carried out to understand various aspects of the boiling crisis phenomenon. Power transient critical heat flux trigger mechanisms is a small category that is relatively under-studied and not well...
Resource Type:: Dissertation

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Creator:: Trent, Donald S.
Abstract:: A theoretical study of the heat and momentum transfer resulting from a flow of power plant condenser effluent discharged vertically to shallow, quiescent coastal receiving water is presented. The complete partial differential equations governing steady, incompressible, turbulent flow driven by both initial momentum and buoyancy are solved using finite-difference techniques...
Resource Type:: Dissertation
Full Text:: the sinh () trans- formation (off = .14690, AZ = 1.0) 170 7.2 General features of momentum jet

Toward understanding the nature of the soil microsite in relation to nitrogen and carbon cycling

Creator:: Cliff, John B.
Abstract:: My research has focused on understanding N and C cycling in soils at small scales. Isotope dilution methods commonly used to estimate gross rates of soil chemical transformations assume homogeneous distribution of label. I explored the effects of diffusion limitations on isotope dilution experiments in soil aggregates using spherical diffusion-reaction...
Resource Type:: Dissertation
Full Text:: ; Hindie et al., 1992; Levi-Setti and Le Beau, 1992). These studies suggested the possibility of using C

A novel lattice Boltzmann method for treatment of multicomponent convection, diffusion, and reaction phenomena in multiphase systems

Creator:: Parker, James Muirhead
Abstract:: In this work, a multicomponent lattice Boltzmann model is developed for the simulation of multiphase mixing, reactions, and separations processes. This model is unique in that diffusive mass transfer of a component in the model is driven by gradients of chemical potential. This fundamentally correct description of diffusion accurately captures...
Resource Type:: Dissertation

Heavy fermion effective mass in the superconducting vortex state

Creator:: Townsend, Emily A.
Abstract:: The extended-Lifshitz-Kosevitch formalism (ELK) unifies the treatment of the de Haas-van Alphen (dHvA) effect, allowing it to transcend its traditional roles of mapping Fermi surfaces and measuring effective masses. Here we exploit the capabilities of dHvA as a probe of many-body effects to examine heavy-fermion su- perconductivity. ELK successfully describes...
Resource Type:: Dissertation

Effects of Wave Nonlinearity and Vertical Variation of Vegetation Density on Wave Attenuation

Creator:: Wu, Wei-Cheng
Abstract:: The understanding and prediction how coastal wetland vegetation attenuates wave action has received renewed attention with global climate change impacts and increasing populations on coastlines. Conventional attenuation models utilize empirical drag coefficients, but these coefficients exhibit a wide range of values, and there is some uncertainty in the relative importance...
Resource Type:: Dissertation
Full Text:: following Le Mehaute (1969) where circles denote Case a (lowest nonlinearity), triangles denote Case b

Assessing Mass Diffusion Modeling in Premixed Flames

Creator:: Fillo, Aaron J.
Abstract:: Implementing multicomponent diffusion in numerical combustion studies is computationally expensive due to the challenges involved in computing diffusion coefficients. As a result, mixture-averaged diffusion treatments or simpler methods are used to avoid these costs. However, the accuracy and appropriateness of the mixture-averaged diffusion model has not been verified for three-dimensional...
Resource Type:: Dissertation
Full Text:: Karlovitz number Dimensionless Le Lewis number Dimensionless Re Reynolds number Dimensionless Ret

Growth and characterization of zinc ferrite thin films for high frequency applications

Creator:: Hu, Jiqing
Abstract:: Ferrites have been used for various high frequency applications as bulk materials. These applications, however, are limited to large dimension devices. In this thesis, thin film ferrites were deposited from a low temperature solution-based deposition process that is suitable for micro-scale high frequency applications. The low temperature nature of this...
Resource Type:: Dissertation

ScholarsArchive@OSU

Understanding the principles and procedures to retain green and red pigments in thermally processed peels-on pears (Pyrus communis L.)

Deep-sea sediment paleomagnetism : a case study from the North Atlantic

Development of a Rapid Power Transient Critical Heat Flux Model

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Toward understanding the nature of the soil microsite in relation to nitrogen and carbon cycling

A novel lattice Boltzmann method for treatment of multicomponent convection, diffusion, and reaction phenomena in multiphase systems

Heavy fermion effective mass in the superconducting vortex state

Effects of Wave Nonlinearity and Vertical Variation of Vegetation Density on Wave Attenuation

Assessing Mass Diffusion Modeling in Premixed Flames

Growth and characterization of zinc ferrite thin films for high frequency applications

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