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

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

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

Spatio-Temporal Analysis and Modeling in the Marine Environment : Humpback Whale Genetic Variability and Seabird Distributions in the Northeastern Pacific Ocean

Creator:: Dick, Dorothy Marie
Abstract:: The rapid decline of marine ecosystems worldwide and the failure of traditional single species management pushed for the development of ecosystem-based conservation measures such as marine protected areas (MPA) to slow the loss of marine biodiversity. One approach to MPA creation advocates targeting marine megafauna (e.g., marine mammals, seabirds, sharks,...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Dorothy Marie Dick for the degree of Doctor of Philosophy in Geography

Fecal Bacteroidetes host distributions and environmental source tracking

Creator:: Dick, Linda K.
Abstract:: Contamination of recreational and shellfish waters with fecal pollution is a major water quality issue with associated economic impacts and human health risks. Reliable fecal source identification and rapid, quantitative analyses are essential components of risk assessment. Enteric bacteria that are endemic to specific hosts have a potential role as...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Linda K. Dick for the degree

Growth, Characterization and Applications of Zinc Sulfide Thin Films by Solution-Based Processes

Creator:: Chiu, Dick
Abstract:: Zinc Sulfide (ZnS) thin film, with a wide band gap, has been used for many applications, such as buffer layer for CIGS solar cells, light emitting diodes and thin film electroluminescent devices. In this work, ZnS thin films were prepared using two different deposition processes. In the first method, ZnS...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Dick Chiu for

Microbial community structure as influenced by season and stand age in a Douglas-fir (Pseudotsuga menziesii) ecosystem

Creator:: Kucera, Jennifer Moore
Abstract:: Forest harvest can have significant impacts on forest ecosystems that may influence the capacity of soils to sequester carbon (C). The microbial community controls decomposition, which is a critical process in partitioning litter- and root-C between CO₂ and storage in semi-permanent soil-C pools. The objectives of this study were to...
Resource Type:: Dissertation
Full Text:: advisor, Richard Dick, who somehow managed to continue mentoring from across the country and globe. His

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

Developmental mutants of Phaseolus vulgaris L.

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

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

Spatio-Temporal Analysis and Modeling in the Marine Environment : Humpback Whale Genetic Variability and Seabird Distributions in the Northeastern Pacific Ocean

Fecal Bacteroidetes host distributions and environmental source tracking

Growth, Characterization and Applications of Zinc Sulfide Thin Films by Solution-Based Processes

Microbial community structure as influenced by season and stand age in a Douglas-fir (Pseudotsuga menziesii) ecosystem

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