Now showing items 1-3 of 3

  • Preventive Maintenance for a Multi-task System 

    Seward, Lori Welte (Virginia Tech, 1998-04-02)
    This research models the behavior of a multi-task system with respect to time. The type of multi-task system considered here is one in which not all system components are required to perform each task. Each component ...
  • A Simulation Analysis of Bivariate Availability Models 

    Caruso, Elise M. (Virginia Tech, 2000-07-24)
    Equipment behavior is often discussed in terms of age and use. For example, an automobile is frequently referred to 3 years old with 30,000 miles. Bivariate failure modeling provides a framework for studying system ...
  • Trace Metals Mobility in Soils and Availability to Plants from a Long-Term Biosolids Amended Soil 

    Sukkariyah, Beshr (Virginia Tech, 2003-12-18)
    The long-term mobility and availability of trace metals has been cited as a potential hazard by critics of EPA 503 rule governing the land application of biosolids. The purpose of this research was to investigate the ...