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  • Development of a laser interferometric dilatometer

    Creator:
    Johnson, Phillip Merle
    Abstract:
    Thermal expansion is one of the most frequently measured physical properties of materials. One of the important methods of detecting and measuring these changes is dilatometry, which is measuring the thermal expansion of the specimen and relating the specimen's expansion to its temperature. Four major types of dilatometers are commonly...
    Resource Type:
    Masters Thesis
    Full Text:
    thanks Professor Linwood E, Johnson, Professor Wesley W, Srnith and Professor Eldon R. McClure at

  • Acoustic switching of pneumatic turbulence amplifiers

    Creator:
    Hsu, Yung-Shing
    Abstract:
    An experimental study was made of acoustic switching of pneumatic turbulence amplifiers. The development of fluidic devices was generally reviewed, and the operation of the pneumatic turbulence amplifiers made for testing was described. The characteristics of the turbulence amplifiers were experimentally determined and found to be typical for this type...
    Resource Type:
    Masters Thesis
    Full Text:
    possible. To Professor Linw-ood E. Johnson, the author w-ishes to express his gratitude for his sincere

  • Computer-assisted inventory control model for automobile spare parts distribution

    Creator:
    Stephanides, Photis Gregory
    Abstract:
    A model was developed for the inventory control of the Volkswagen spare parts distribution in Greece. The model utilizes the capabilities of a digital computer, and features four systems, the necessary system files and various routines. Flexible statistical forecasting techniques are included for forecasting the distributor parts demand. Computerized procedures...
    Resource Type:
    Masters Thesis
    Full Text:
    privacy Abstract approved: Linwood E. ofohnson A model was developed for the inventory control of the

  • Feasibility study of a surface vehicle utilizing a unitary control system

    Creator:
    Bassett, David Arthur
    Abstract:
    A feasibility and practicality study was made of an automotive-type surface vehicle that employed a centralized or unitized means of control. The control functions consisted of: steering, acceleration, deceleration, clutch actuation, gear changes, turn signal operation and horn actuation. These controls were arranged in such a manner that the driver...
    Resource Type:
    Masters Thesis
    Full Text:
    Linwood E. °Johnson A feasibility and practicality study was made of an automotive- type surface vehicle

  • A portable pumping system for hydraulic excavation of commercial crab pots

    Creator:
    Chang, Terrill John
    Abstract:
    The design and testing of a portable pumping system for use in the hydraulic excavation of commercial crab pots buried by ocean sediment was undertaken. The resulting portable system retained the four major components of the pumping systems presently used by commercial fishermen: engine, pump, fire hose, and nozzle. Because...
    Resource Type:
    Masters Thesis
    Full Text:
    appreciation to Professor Linwood E. Johnson for his advice and guidance throughout the pro- ject. Others

  • Consumer attitudes toward prescription prices : an investigation and analysis of consumer attitudes toward prescription prices by selected consumer characteristics

    Creator:
    Searcy, Edmond Lee
    Abstract:
    The direction and intensity of consumer attitudes toward prescription prices by varying socio-economic positions and age groups were measured by use of the semantic differential technique. The potential relationships between consumer attitudes toward prescription prices and (1) consumer prescription experience, (2) select consumer knowledge, (3) select consumer beliefs, and (4)...
    Resource Type:
    Masters Thesis
    Full Text:
    appreciation to Dr. Richard E. Johnson for his assistance and guidance in the prep- aration of this thesis

  • A study of physician acceptance of a prescription pharmaceutical innovation within a selected Oregon community

    Creator:
    Campbell, William H. (William Howard), 1942-
    Abstract:
    An investigation concerning the acceptance of a new, legend drug product was conducted within a community of 15,000 population. Twenty-eight physicians within the community were chosen for evaluation relative to acceptance of the new drug product. Data were obtained by means of a prescription audit of nine retail pharmacies in...
    Resource Type:
    Masters Thesis
    Full Text:
    WITHIN A SELECTED OREGON COMMUNITY Abstract approved: Redacted for privacy Richard E. Johnson An

  • An evaluation of biological control of Linaria dalmatica with Mecinus janthinus in Oregon

    Creator:
    Park, Alexander
    Abstract:
    Dalmatian toadflax (Linaria dalmatica) has become a prolific invasive plant of rangelands in Oregon since its arrival in the early 20th century. In 2001, the Oregon Department of Agriculture initiated a release program promoting the distribution of the stem-boring weevil, Mecinus janthinus as classical biological control agent to reduce densities...
    Resource Type:
    Masters Thesis
    Full Text:
    : ______________________________________________________ Douglas E. Johnson Dalmatian toadflax (Linaria dalmatica) has become a prolific invasive

  • Analysis and design of a small gas sampling pump

    Creator:
    Tuttle, Kenneth Lewis
    Abstract:
    In an attempt to satisfy an existing need for a small gas sample pump, a proposed design was analyzed and determined to be feasible and a design for a prototype model was produced. The design is of a chemically inert, leak-proof, unlubricated, sliding-vane- type pump. It is designed to pump...
    Resource Type:
    Masters Thesis
    Full Text:
    ACKNOWLEDGEMENTS The author wishes to make this expression of gratitude to his major professor, Linwood E

  • A study of the prescription drug purchasing behaviors of independent retail pharmacies

    Creator:
    Christensen, Dale B.
    Abstract:
    The study investigated the prescription drug purchasing behaviors of independent retail pharmacies, and selected pharmacy characteristics which may be related to purchasing behaviors. The purchasing function was considered as a major area of concern for independent pharmacies in attempting to improve operating efficiencies, particularly in view of increased competition from...
    Resource Type:
    Masters Thesis
    Full Text:
    ACKNOWLEDGEMENTS I wish to express my deepest gratitude to Dr. Richard E. Johnson, whose continual counsel and