Index Catalog // ScholarsArchive@OSU

The evolution of student understanding of the concept of derivative

Creator:: Zandieh, Michelle J.
Abstract:: This research seeks to answer the question, "What does it mean for a student to understand the concept of derivative?" A structured way to describe an individual student's understanding of derivative is developed and applied to analyzing the evolution of that understanding for each of nine high school seniors during...
Resource Type:: Dissertation

The Social Safety Net and Child Poverty in Oregon

Creator:: Koch, Dillon A.
Abstract:: The Supplemental Poverty Measure (SPM) is the newest method to paint a more accurate picture of the scope of poverty in the United States than the Official Poverty Measure (OPM). In doing so, the SPM includes many sources of income, including income from work and in-kind government supplemental policies. The...
Resource Type:: Honors College Thesis
Full Text:: by Dillon Koch A THESIS submitted to Oregon State University

A biochemical investigation of the nitrogenase system from soybean root nodules

Creator:: Koch, Burton Lee
Abstract:: The primary purpose of this investigation was to determine the conditions necessary for the preparation of cell-free extracts of nodule bacteroids capable of catalysing the reduction of acetylene to ethylene and nitrogen to ammonia. Initial investigations were conducted to determine whether intact soybean root nodules would reduce acetylene to ethylene...
Resource Type:: Dissertation
Full Text:: Nitrogenase System from Soybean Root Nodules by Burton Lee Koch A THESIS submitted to Oregon State

Micro total analysis system for in-situ and autonomous spectrophotometric monitoring of iron in groundwater

Creator:: Koch, Corey R.
Abstract:: We have developed a compact micro total analysis system (μTAS) to serve as a platform for in-situ spectrophotometric water quality monitoring. Individual fluidic, optical, and electrical components were designed, developed, and characterized. These components were combined in both an integrated (single lithographic “chip-based” platform) and a modular manner. The microfluidic...
Resource Type:: Dissertation
Full Text:: Groundwater by Corey R. Koch A DISSERTATION submitted to Oregon State

The story of Oregon and its people

Creator:: Chapman, Charles Hiram, 1859-
Abstract:: Gerald W. Williams Collection
Resource Type:: Book
Full Text:: Bv CHARLES H. CHAPMAN, PH. D. CHICAGO o. P. BARNES, PUBLISHER r Copyright, 1909, BY 0. P

Influence of the Environment and Morphology on Physiological and Genomic Homeostasis in a Temperate Cnidarian-microbe Symbiosis

Creator:: Koch, Jack C.
Abstract:: Climate change and other anthropogenic impacts are threatening the existence of millions of species around the globe. On western continental boundaries, the large-scale secondary process of upwelling, which brings low pH, deoxygenated, high nutrient seawater to the surface, is compounded by climate change, that together could drive some species to...
Resource Type:: Dissertation
Full Text:: Symbiosis by Jack Cushman Koch A DISSERTATION submitted to

Reconnecting aquatic habitats : validating historical habitat use by anadromous fishes using telemetry and stable isotope analysis above barriers

Creator:: Lewis, Sierra Koch
Abstract:: I conducted a study to identify potential spawning habitat for anadromous salmonids above a 60-year-old hydropower dam in the headwaters of the North Umpqua River in Oregon. Like many other historical salmonid-bearing rivers, little documentation exists for anadromous fish presence above potential natural obstacles upstream of Soda Springs Dam. My...
Resource Type:: Masters Thesis
Full Text:: by Sierra Koch Lewis A THESIS submitted to Oregon State University

Free-radical hydrogen abstraction from polycyclic aliphatic hydrocarbons

Creator:: Koch, Victor Raymond
Abstract:: Six polycyclic aliphatic hydrocarbons were reacted with the trichloromethyl radical photolytically generated from bromotrichloromethane at 40°. Relative rates of reaction were correlated with a computer analysis of the change in strain energy in going from the ground state to the intermediate. A good correlation between the log of the relative...
Resource Type:: Masters Thesis
Full Text:: Raymond Koch A THESIS submitted to Oregon State University in partial fulfillment of the requirements

Characterization studies and industrial control development for the brushless doubly-fed machine

Creator:: Koch, Brian
Abstract:: This thesis presents the development of a supervisory controller for a pre-commercial Brushless Doubly-Fed Machine (BDFM) drive system. In addition, characterizations of new diecast rotors for the BDFM are presented. Using the characterization results from the new rotors, a control scheme was developed to allow a BDFM to be packaged...
Resource Type:: Masters Thesis

Ligand selective regulation of cell growth by the Ah receptor through activation of TGF-beta signaling, Ligand selective regulation of cell growth by the Ah receptor through activation of TGFβ signaling

Creator:: Koch, Daniel C.
Abstract:: The Aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor and member of the basic helix-loop-helix Per/ARNT/Sim (bHLH/PAS) family of chemosensors and developmental regulators. As a member of the PAS domain family of transcription factors responsive to exogenous signals, the AhR exerts influence on many processes relating to cellular fate....
Resource Type:: Dissertation
Full Text:: . Felts, S. J. and D. O. Toft (2003). "P23, a simple protein with complex activities." Cell Stress

ScholarsArchive@OSU

The evolution of student understanding of the concept of derivative

The Social Safety Net and Child Poverty in Oregon

A biochemical investigation of the nitrogenase system from soybean root nodules

Micro total analysis system for in-situ and autonomous spectrophotometric monitoring of iron in groundwater

The story of Oregon and its people

Influence of the Environment and Morphology on Physiological and Genomic Homeostasis in a Temperate Cnidarian-microbe Symbiosis

Reconnecting aquatic habitats : validating historical habitat use by anadromous fishes using telemetry and stable isotope analysis above barriers

Free-radical hydrogen abstraction from polycyclic aliphatic hydrocarbons

Characterization studies and industrial control development for the brushless doubly-fed machine

Ligand selective regulation of cell growth by the Ah receptor through activation of TGF-beta signaling, Ligand selective regulation of cell growth by the Ah receptor through activation of TGFβ signaling

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