Index Catalog // ScholarsArchive@OSU

The Effect of Surface Finish on Ball Grid Array Lead Free Solder Joints

Creator:: Casali, Dick R.
Abstract:: As microelectronic parts trend smaller so do their solder joints. The surface finish on a copper pad is expected to become a significant part of the total solder joint volume and therefore affect mechanical properties of the smaller solder joints. Two sample geometries and four different surface finishes for tin-silver-copper...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Dick R. Casali for

Middle school teachers’ use of a formative feedback guide in mathematics problem solving instruction

Creator:: Strowbridge, Jessica
Abstract:: The purpose of this study was to address the implementation fidelity of one part of a professional development model developed by the Northwest Regional Educational Laboratory (NWREL). Specifically, this research investigates middle school teachers’ use of a formative feedback guide developed by NWREL staff, examining the reliability with which teachers...
Resource Type:: Dissertation
Full Text:: Thomas P. Dick The purpose of this study was to address the implementation fidelity of one part

Characteristics of the lentil strain of pea seedborne mosaic virus

Creator:: Goodell, Jody Jellison
Abstract:: The lentil strain of pea seedborne mosaic virus, PSbMV-L, was distinguished from the standard isolates of PSbMV by a natural inoculum reservoir in lentil seed and by separate resistance genes in Pisum and Lens. PSbMV-L was intermediate in symptom severity between the standard and New Zealand isolates of PSbMV. Seed...
Resource Type:: Dissertation
Full Text:: virus, PSbMV-L, was distinguished from the standard isolates of PSbMV by a natural inocu- lum

Stocking Rate and Fuels Reduction Effects on Beef Cattle Diet Composition and Quality

Creator:: Clark, Abe, DelCurto, Tim, Vavra, Martin, and Dick, Brian L.
Abstract:: An experiment was conducted to evaluate the influence of forest fuels reduction on diet quality, botanical composition, relative preference, and foraging efficiency of beef cattle grazing at different stocking rates. A split plot factorial design was used, with whole plots (3 ha) being fuel reduced or no treatment (control), and...
Resource Type:: Article
Full Text:: Composition and Quality Clark, A., DelCurto, T., Vavra, M., & Dick, B. L. (2013). Stocking Rate and Fuels

Habitat occurrence and notes on the life of the dusky-footed wood rat, Neotoma fuscipes baird

Creator:: Walters, Roland Dick
Resource Type:: Masters Thesis
Full Text:: -FOOTED WOOD RAT, NEOTOMA FUSCIPES BAIRD by ROLAND DICK WALTERS A THESIS ubm,ttted to OREGOi

Developmental mutants of Phaseolus vulgaris L.

Creator:: Shii, Chou Tou
Abstract:: Hybrids with abnormal development were obtained when particular genotypes of Phaseolus vulgaris L. were crossed. The phenotypic aberrations of the F₁s included retarded growth, chlorosis of the trifoliate leaves and the formation of adventitious roots on the hypocotyls. The expression of the abnormalities was dependent on the temperature. At high...
Resource Type:: Dissertation
Full Text:: Phaseolus vulgaris L. Abstract approved: __ Dr. David W. S. Mok Hybrids with abnormal

A nonlinear numerical model of the Lake Michigan Lobe, Laurentide Ice Sheet

Creator:: Jenson, John W.
Resource Type:: Dissertation
Full Text:: assisting me as an initiate to CMFORTRAN, UNIX, and the art of parallel computing. Dick Iverson, who's

A study on student perceptions of principles of logic and their application to the principle of mathematical induction

Creator:: Boone, Allan R.
Abstract:: The purpose of this article is to explore student reasoning with regard to problems in logic, particularly those related to the Principle of Mathematical Induction (PMI). The five case studies presented build off of work done by other researchers, most notably Dubinsky and Harel, who both looked at how students'...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________________ Thomas P. Dick The purpose of this article is to explore student reasoning with regard to

Winter cover cropping effects on integrative biological indicators of soil quality

Creator:: Ndiaye, Evelyne L.
Abstract:: Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...
Resource Type:: Masters Thesis
Full Text:: indicators of soil quality AN ABSTRACT OF THE THESIS OF Evelyne L. Ndiaye for the degree of Master of

Building conceptions and repairing misconceptions in student understanding of kinematic graphs : using student discourse in calculator based laboratories

Creator:: Hale, Patricia L.
Abstract:: The purpose of this study was to investigate teaching models that may aid in improving student's understanding of how to interpret graphs of kinematic variables. The teaching models that were considered incorporated the use of cooperative groups and calculator-based laboratory instruments, alone and in concert. The subjects used in this...
Resource Type:: Dissertation

ScholarsArchive@OSU

The Effect of Surface Finish on Ball Grid Array Lead Free Solder Joints

Middle school teachers’ use of a formative feedback guide in mathematics problem solving instruction

Characteristics of the lentil strain of pea seedborne mosaic virus

Stocking Rate and Fuels Reduction Effects on Beef Cattle Diet Composition and Quality

Habitat occurrence and notes on the life of the dusky-footed wood rat, Neotoma fuscipes baird

Developmental mutants of Phaseolus vulgaris L.

A nonlinear numerical model of the Lake Michigan Lobe, Laurentide Ice Sheet

A study on student perceptions of principles of logic and their application to the principle of mathematical induction

Winter cover cropping effects on integrative biological indicators of soil quality

Building conceptions and repairing misconceptions in student understanding of kinematic graphs : using student discourse in calculator based laboratories

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