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Filtering by: Date issued sim 2004-06-03 Remove constraint Date issued sim: 2004-06-03 Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Investigating Grain Boundaries in BaCuS1-xSexF Using Impedance Spectroscopy

Creator:

Horgan, Briony

Abstract:

Impedance spectroscopy is a method of modeling materials with equivalent circuits to determine electrical properties, such as the resistivity and the dielectric constant. We explore impedance spectroscopy, both theoretically and experimentally through applying the method to samples of BaCuS1-xSexF. Grain boundary effects were dominant in the results, and although they...

Resource Type:

Undergraduate Thesis
Time Periodic Sand Ripples at the Oregon Coast

Creator:

Korn, Abraham

Abstract:

We consider development of sand ripples in shallow water flows which do not reach an equilibrium height but have a time-varying ripple height that slowly reaches a maximum value and then is quickly destroyed by the fluid. A simple scenario to explain the time periodic behavior of the sand ripples...

Resource Type:

Honors College Thesis
A beta dosimeter and spectrometer utilizing plastic scintillators and a large-area avalanche photodiode

Creator:

Kriss, Aaron A.

Abstract:

The purpose of this research was to develop and test a radiation detector to perform beta dosimetry and spectroscopy. The detector utilizes plastic scintillator volumes to produce scintillation light in proportion to the amount of energy deposited in them, and a large-area avalanche photodiode to convert the light to electrical...

Resource Type:

Dissertation
Molecular analysis of bacterial community dynamics during bioaugmentation studies in a soil column and at a field test site

Creator:

Li, Jun

Abstract:

1,1,1-Tricholorethane (1,1,1-TCA), a widely used industrial solvents, is one of the most common subsurface contaminants. Transformation processes in the subsurface can result in the production of 1,1-dichioroethane (1,1-DCA) and 1,1- dichioroethene (l,1-DCE) from 1,1,1-TCA contamination, resulting in plumes of mixed chlorinated aliphatic hydrocarbons (CAHs). A butane-utilizing microorganism, strain 1 83BP,...

Resource Type:

Masters Thesis
Preparing sustained release dosage forms of nifedipine by hot-melt coating method

Creator:

Le, Hang Thi

Abstract:

A nifedipine sustained release dosage form was prepared by using hot-melt batch coating. Substrates are sugar beads, mesh size 30-35. Stearic acid, Acid Triglyceride, and carnauba wax were coating agents used to make single layer coated beads and multiple layer coated beads containing nifedipine. Dissolution of nifedipine from the beads...

Resource Type:

Masters Thesis

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Academic Affiliation

Civil, Construction, and Environmental Engineering1
College of Pharmacy1
Nuclear Engineering and Radiation Health Physics1
Physics1

Advisor

Ayres, James W.1
Christensen, J. Mark1
Dolan, Mark E.1
Hamby, David M.1
Siemens, Philip J.1
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Commencement Year

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Current results range from 2004 to 2005

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Committee Member

Lancaster, Stephen1
Semprini, Lewis1
Wood, Brian1

Creator

Horgan, Briony1
Korn, Abraham1
Kriss, Aaron A.1
Le, Hang Thi1
Li, Jun1

Date

20045

Decade

2000-20095

Degree Field

Physics2
Civil Engineering1
Pharmacy1
Radiation Health Physics1

Degree Level

Bachelor's2
Master's2
Doctoral1

Degree Name

Master of Science (M.S.)2
Bachelor of Science (B.S.)1
Doctor of Philosophy (Ph.D.)1
Honors Bachelor of Science (H.B.S.)1

Language

English [eng]5

License

All rights reserved2
Attribution 4.0 (CC BY 4.0)1

Non-Academic Affiliation

Oregon State University. Graduate School3
Oregon State University. Honors College1

Peer Reviewed

No5

Resource Type

Masters Thesis2
Dissertation1
Honors College Thesis1
Undergraduate Thesis1

Rights Statement

In Copyright[remove]5

Subject

Beta ray spectrometry1
Beta rays -- Measurement1
Bioremediation1
Chlorohydrocarbons -- Biodegradation1
Dosimeters1
more Subjects »

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