Index Catalog // ScholarsArchive@OSU

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

Creator:: Diedhiou, Sire
Abstract:: Piliostigma reticulatum and Guiera senegalensis are two native shrubs that coexist with row crops in parkland systems of the Sahel of Africa. Although permanently green all year around in soil depleted in nutrients and dry for a nine-month period, these shrubs have been largely overlooked. Conventional management of these shrubs...
Resource Type:: Dissertation
Full Text:: : ___________________________________________________________________ Richard P. Dick Piliostigma reticulatum and Guiera senegalensis are two native shrubs that

The Biogeochemistry of nitrogen and phosphorus cycling in native shrub ecosystems in Senegal

Creator:: Dossa, Ekw'e Lokossou, 1960-
Abstract:: Two native shrub species (Piliostigma reticulatum and Guiera senegalensis) are prominent vegetation components in farmers’ fields in Senegal. However, their role in nutrient cycling and ecosystem function has largely been overlooked. A study including both laboratory and field experiments was conducted to evaluate potential biophysical interactions of the two shrub...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Ekwe L

Fatty acid profiling of soil microbial communities : a comparison of extraction methods and temporal dynamics in plant residue amended soils

Creator:: Fernandes, Marcelo Ferreira
Abstract:: A method based on fatty acid (FA) analysis is used to profile microbial community structure (MCS). Various extraction protocols are available, which alter the types of FAs extracted from soils. The more time consuming but widely used protocol extracts only FAs from phospholipids (PLFA). This technique is desirable because PLFAs...
Resource Type:: Dissertation
Full Text:: . Abstract approved: Richard P. Dick

Thermal hydraulic analysis of the Oregon State TRIGA Reactor using RELAP5-3D

Creator:: Marcum, Wade R.
Abstract:: Oregon State University has recently conducted a complete core conversion analysis as part of the Reduced Enrichment for Research and Test Reactors Pprogram. The goals of the thermal hydraulic analyses were to calculate natural circulation flow rates, coolant temperatures and fuel temperatures as a function of core power for both...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: _____________________________________________________________________ Brian G

An inexpensive rain gauge

Creator:: Berry, Dick Wallace, 1914- and Berg, Alan B.
Resource Type:: Technical Report
Full Text:: F O R E S T R Y George Spaur, State Forester Dick Berry, Research Director Research Noteo.23

Aerial seeding : the methods and techniques employed by the Oregon State Board of Forestry

Creator:: Kallander, Rudolph Martin and Berry, Dick Wallace, 1914-
Resource Type:: Technical Report
Full Text:: Rehabilitation Director and DICK BERRY Research Director OREGON STATE BOARD OF FORESTRY GEORGE SPAUR, State

Metabolic uncoupling of Shewanella oneidensis MR-1, under the presence of excess substrate and 3,3’,4’,5 tetrachlorosalicylanilide

Creator:: Saini, Gaurav
Abstract:: Dissociation between catabolism and anabolism, generically termed “metabolic uncoupling”, has been studied for aerobic cultures of Shewanella oneidensis MR-1. Under conditions promoting metabolic uncoupling, the cell yield diminishes while the substrate utilization rate remains largely unchanged. The effects of excess substrate conditions and TCS addition on the metabolism of pyruvate...
Resource Type:: Masters Thesis
Full Text:: excess substrate and 3,3’,4’,5 Tetrachlorosalicylanilide. Abstract Approved: Brian D

Factors associated with the implementation fidelity of a school-based social and character development program : findings from the Positive Action program, Hawai’i

Creator:: Beets, Michael W.
Abstract:: Implementation fidelity (dosage, adherence, quality of delivery, responsiveness, program differentiation) is the degree to which a program was carried out to its original intent. The following three studies examined the implementation fidelity of a school-based health promotion social and character development (SACD) program. The, Positive Action (PA) program was a...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Brian R. Flay Implementation fidelity (dosage, adherence, quality of delivery

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Creator:: Cenar, Yannick
Abstract:: A large part of low-back pain occurrences are due to disc herniation or prolapse of the nucleus pulposus. An alternative technique to existing treatments of low back pain includes nucleus pulposus replacement by an artificial material to relieve pain and restore normal function. To date, there has been a deficiency...
Resource Type:: Masters Thesis
Full Text:: Intervertebral Disc. Abstract approved: Brian K. Bay A large part of low-back pain occurrences

Modeling and development of fabrication method for embedding membrane based microvalve in bulk microfluidic device

Creator:: Abhinkar, Bindiya S.
Abstract:: PDMS membrane-based microvalves are becoming increasingly more important for the control of fluid flow within MECS applications such as microreactors used to synthesize nanoparticles and biological macromolecules. The motivation for pursuing PDMS membrane-based microvalves is for implementing a plug flow microreactor to simulate slug flow yielding a narrower residence time...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Brian K. Paul PDMS membrane-based microvalves are becoming increasingly more important

ScholarsArchive@OSU

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

The Biogeochemistry of nitrogen and phosphorus cycling in native shrub ecosystems in Senegal

Fatty acid profiling of soil microbial communities : a comparison of extraction methods and temporal dynamics in plant residue amended soils

Thermal hydraulic analysis of the Oregon State TRIGA Reactor using RELAP5-3D

An inexpensive rain gauge

Aerial seeding : the methods and techniques employed by the Oregon State Board of Forestry

Metabolic uncoupling of Shewanella oneidensis MR-1, under the presence of excess substrate and 3,3’,4’,5 tetrachlorosalicylanilide

Factors associated with the implementation fidelity of a school-based social and character development program : findings from the Positive Action program, Hawai’i

Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Modeling and development of fabrication method for embedding membrane based microvalve in bulk microfluidic device

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