Index Catalog // ScholarsArchive@OSU

A motor-generator and supercapacitor based system for microgrid frequency stabilization

Creator:: Crispo, Richard F.
Abstract:: This research introduces an energy storage system to deliver microgrid frequency response. A doubly-fed induction generator (DFIG) and a squirrel cage induction machine (SCIM) are coupled together as a motor/generator set to deliver an immediate inertial response to a change of frequency, and an inverter and supercapacitors deliver short term...
Resource Type:: Masters Thesis
Full Text:: Microgrid Frequency Stabilization AN ABSTRACT OF THE THESIS OF Richard F. Crispo

Exploration of Simultaneous Anammox and Denitrification (SAD) Biofilm Processes for Nitrogen Removal

Creator:: Hilliard, Richard F.
Abstract:: Anammox (anaerobic ammonium oxidation) bacteria are capable of providing low-cost nitrogen removal for numerous types of wastewaters. However, low growth rates cause long startup-times and inhibition by oxygen and metabolic substrates necessitate close process control to maintain performance. Incorporation of Simultaneous Anammox and Denitrification (SAD) into constructed wetlands could provide...
Resource Type:: Masters Thesis
Full Text:: Richard Hilliard for the degree of Master of Science in Environmental Engineering presented on October 11

Spring, summer and fall use by cattle and big game on foothill rangelands

Creator:: Miller, Richard F.
Abstract:: The objectives of this study were to evaluate environmental factors influencing use of several plant communities by cattle, elk and deer; determine under story production by plant species and the amount utilized by cattle, elk and deer in certain plant communities; evaluate the interactions of range use between cattle, elk...
Resource Type:: Masters Thesis
Full Text:: Foothill Rangelands AN ABSTRACT OF THE THESIS OF Richard Frank Miller for the Master of Science (Name

An investigation of the effects of nutritional status on the action of insulin in rainbow trout (Salmo gairdneri)

Creator:: Ablett, Richard F.
Abstract:: Three studies were conducted to evaluate the relationship between insulin and nutritional parameters in rainbow trout. In the first study effects on growth parameters and tissue composition of rainbow trout were investigated following injection of bovine insulin at two dose levels every 48 hr for 56 days. In addition, [¹⁴C]-leucine...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Richard F. Ablett for the degree

An economic study of the Portland wholesale fresh fruit and vegetable market

Creator:: Gustafson, Richard F.
Resource Type:: Masters Thesis

Attenuation of rainfall intensity by forest canopies

Creator:: Keim, Richard F.
Abstract:: Interception of precipitation by forest canopies has been found previously to reduce rainfall intensity, but this effect is poorly understood. The goal of this research is to quantify the attenuation of rainfall intensity by forest canopy interception, with the specific objective of estimating the contribution of this attenuation to hillslope...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Richard F. Keim for the degree of Doctor of Philosophy in Forest Engineering presented

Coping With an Increasing Import Base: A Case Study of the Southeast U.S. Shrimp Processing Industry

Creator:: Keithly, Walter, Diop, Hamady, and Kazmierczak, Richard F.
Abstract:: It is well known that world production of shrimp, particularly farm-raised product, has increased significantly since the early-to-mid 1980's and that much of the product is directed to the U.S. market. Less well known is the fact that the product composition of the U.S. imported product (e.g., headless shell-on, peeled)...
Resource Type:: Research Paper
Full Text:: State University, hdiop1@lsu.edu Richard F. Kazmierczak, Jr., Louisiana State University, rkazmierczak

Seasonal phenology of Lacanobia fruitworm in apple orchards

Creator:: Hitchcox, Mark, Landolt, Peter J., Brunner, Jay F., and Zack, Richard
Resource Type:: Conference Proceeding
Full Text:: OFLACANOBIA FRUITWORM INAPPLE ORCHARDS Mark Hitchcox2, Pete Landolt3, Jay Brunner1 and Richard Zack2 1

Trade, Subsistence Consumption, Compensation and Resource Management: How Are They Related?

Creator:: Emami, Ali, Johnston, Richard S., and Mikesell, Raymond F.
Abstract:: In recent years, considerable attention has been given to the effects of removing trade restrictions on natural resource utilization and on poverty, especially in developing countries. Our paper adds to the growing body of conceptual work to show conditions under which a developing country that, in isolation, is unable to...
Resource Type:: Research Paper
Full Text:: , aemami@oregon.uoregon.edu Richard S. Johnston, Department of Agricultural Resource Economics, Oregon

Spatial Analysis Within an Economic Framework for the U.S. Gulf of Mexico Grouper Fishery

Creator:: Diop, Hamady, Keithly, Walter R., and Kazmierczak, Richard F.
Abstract:: Theory suggests that fishing effort would be allocated among various fishing grounds such that profit levels would be equal. Homogeneity among fishers as well as perfect information is assumed and profits are opportunistically increased by changing fishing locations. These assumptions have been shown empirically ins some single fisheries where fishers...
Resource Type:: Research Paper
Full Text:: University, walterk@lsu.edu Richard F. Kazmierczak, Jr., Louisiana State University, rkazmierczak

ScholarsArchive@OSU

A motor-generator and supercapacitor based system for microgrid frequency stabilization

Exploration of Simultaneous Anammox and Denitrification (SAD) Biofilm Processes for Nitrogen Removal

Spring, summer and fall use by cattle and big game on foothill rangelands

An investigation of the effects of nutritional status on the action of insulin in rainbow trout (Salmo gairdneri)

An economic study of the Portland wholesale fresh fruit and vegetable market

Attenuation of rainfall intensity by forest canopies

Coping With an Increasing Import Base: A Case Study of the Southeast U.S. Shrimp Processing Industry

Seasonal phenology of Lacanobia fruitworm in apple orchards

Trade, Subsistence Consumption, Compensation and Resource Management: How Are They Related?

Spatial Analysis Within an Economic Framework for the U.S. Gulf of Mexico Grouper Fishery

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