Index Catalog // ScholarsArchive@OSU

Assessing the knowledge of county extension agents on geotextile applications for agricultural practices in Oregon and Idaho

Creator:: Brown, Linda Lee
Abstract:: The purpose of the study was to assess county extension agents' knowledge of geotextiles; to determine their current level of information and their location on an adoption-diffusion curve; and to determine the agents' attitudes toward the potential use of geotextiles in agriculture, specifically in soil erosion control. A questionnaire was...
Resource Type:: Masters Thesis
Full Text:: research advisor. Dr. J. R. Bell, Professor of Civil Engineering, for his constant support and helpful

Fundamental studies of atomic diffusion by computer simulation of atomic processes on the giga event scale and multiple PC's in parallel

Creator:: Zhang, Qiongshan
Abstract:: The classic treatment of diffusion by Einstein and by Chandrasekhar assumed conservative boundary conditions; mobile species were neither created nor destroyed on the sample surface. It is normal to assume that vacancies and host interstitials are created and annihilated on incoherent interfaces or free surfaces; i.e., these are assumed to...
Resource Type:: Masters Thesis
Full Text:: research fruitful. Special thanks also go to Professor W. Kolodziej and Professor J. R. Arthur for being

Detection and diagnosis of parameters change in linear system using time-frequency transformation

Creator:: Park, Dae-hyun
Abstract:: A systematic optimization of the Cohen class time-frequency transformation for detecting the parameters change is developed. The local moments approach to change detection is proposed and a general formula for the local moments is derived. The optimal kernel functions of the time-frequency transformation are determined based on the combined criteria...
Resource Type:: Dissertation
Full Text:: study. Appreciation is extended to Dr. R. S. Engelbrecht, Dr. R. R. Mohler, Dr. D. J. Griffiths, and

Robustness of uncertain systems : globally optimal Lyapunov function

Creator:: Ahmadkhanlou, Fariborz
Abstract:: The Lyapunov direct method is utilized to determine the robustness bounds for nonlinear, time-variant uncertainies p[subscript i]. Determination of the robustness bounds consists of two principal steps: (i) generation of a Lyapunov function and (ii) determination of the bounds based on the generated Lyapunov function. Presently in robustness investigations, a...
Resource Type:: Dissertation
Full Text:: would also like to thank the members of my graduate committee, including Drs. R. R. Mohler, C. E

Rheological behavior of Douglas-fir as related to the process of drying

Creator:: Wu, Qinglin
Abstract:: Large inelastic strain occurs inside a piece of lumber during drying. The strain consists of several components such as elastic, plastic, creep, shrinkage and mechano-sorptive effect. The mechanical behavior of the whole board during drying is determined by the behavior of individual strain components and their interactions. Whereas limited investigations...
Resource Type:: Dissertation

ACTFEL phosphor deposition by RF sputtering

Creator:: Ang, Wie Ming
Resource Type:: Masters Thesis
Full Text:: thanks to Professors T. Plant, J. Nibbler, and R. Nielsen for serv ing on my committee. Special thanks

Simulating the effects of a capillary barrier using the two-dimensional variably saturated flow model SWMS-2D/HYDRUS-2D

Creator:: Heiberger, Thilo Stefan
Resource Type:: Masters Thesis
Full Text:: State University. A special thanks also to the members of my defense committee to Dr. R. Beschta

Mechanical characterization and modeling of solder joints for the secondary side reflow of large IC packages

Creator:: Yutzie, James D.
Abstract:: As the drive continues to reduce the size of Printed Wiring Assemblies (PWAs), improve performance of electronic assemblies, and reduce costs of these products, reliable secondary (bottom) side reflow operations must be developed. Attaching Surface Mount Technology (SMT) components to the secondary side of a Printed Circuit Board (PCB) is...
Resource Type:: Masters Thesis
Full Text:: research endeavor as well as my academic committee members Dr. J. Shea, Dr. R. Busch, and Dr. W. Kong

Geology of the southern Gandghar Range and Kherimar Hills, northern Pakistan

Creator:: Hylland, Michael D.
Abstract:: The Gandghar Range and Kherimar Hills, located in the Hill Ranges of northern Pakistan, contain rocks that are transitional between unmetarnorphosed foreland-basin strata to the south and high-grade metamorphic and plutonic rocks to the north. The southern Gandghar Range is composed of a succession of marine strata of probable Proterozoic...
Resource Type:: Masters Thesis

Integration of an expert system and dynamic programming approach to optimize log breakdown using 3-dimensional log and internal defect shape information

Creator:: Zeng, Yimin
Abstract:: A computer program, SAW3DG, was developed to optimize log breakdown using 3-dimensional log and internal defect shapes. The program was based on SAW3D, a log breakdown optimization program considering only 3-dimensional log shape. SAW3D was modified to include internal log defects in 3-dimensional representation and integrated with SLGRADER, an expert...
Resource Type:: Dissertation

ScholarsArchive@OSU

Assessing the knowledge of county extension agents on geotextile applications for agricultural practices in Oregon and Idaho

Fundamental studies of atomic diffusion by computer simulation of atomic processes on the giga event scale and multiple PC's in parallel

Detection and diagnosis of parameters change in linear system using time-frequency transformation

Robustness of uncertain systems : globally optimal Lyapunov function

Rheological behavior of Douglas-fir as related to the process of drying

ACTFEL phosphor deposition by RF sputtering

Simulating the effects of a capillary barrier using the two-dimensional variably saturated flow model SWMS-2D/HYDRUS-2D

Mechanical characterization and modeling of solder joints for the secondary side reflow of large IC packages

Geology of the southern Gandghar Range and Kherimar Hills, northern Pakistan

Integration of an expert system and dynamic programming approach to optimize log breakdown using 3-dimensional log and internal defect shape information

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