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  • Mechanistic studies of polyhalogenated benzenes

    Creator:
    Herbelin, Sharon Maley
    Abstract:
    Polyhalogenated benzenes have been analyzed by standard electron capture chemical ionization mass spectrometry (ECCI/MS), and electron monochromator mass spectrometer (EM/MS) systems. The EM/MS experiments distinguished electronegative compounds (especially isomers) by transient negative ions (TNIs) of the same mass but differing energies and/or the formation of distinct TNIs of different masses...
    Resource Type:
    Dissertation
    Full Text:
    Spectrometer System: Mechanistic Study of Polyhalogenated Benzene Radical Anion Cleavage Pathways

  • A linear programming and sampling approach to the cutting-order problem

    Creator:
    Hamilton, Evan D.
    Abstract:
    In the context of forest products, a cutting order is a list of dimension parts along with demanded quantities. The cutting-order problem is to minimize the total cost of filling the cutting order from a given lumber grade (or grades). Lumber of a given grade is supplied to the production...
    Resource Type:
    Dissertation
    Full Text:
    Linear Programming Approach in Wood Processing ............................... 31 2.4.1 Particle Board

  • MicroSoar : a high speed microstructure profiling system

    Creator:
    May, Glenn H.
    Abstract:
    As ocean ecosystems continue to deteriorate in the face of human induced pressures, marine management professionals are increasingly being urged to predict the impacts of various activities on ocean ecosystems. Many ecosystem interactions are still not adequately understood, so managers often turn to scientists to provide data and analysis on...
    Resource Type:
    Masters Thesis
    Full Text:
    data and analysis on impacts resulting from specific actions. One important physical ocean process in

  • A sampling criterion enabling signal reconstruction with specified limit error

    Creator:
    Wilkins, Dennis James
    Abstract:
    A sampling criterion which provides a numerical relationship between sampling rate and worst-case peak error for linear interpolation of sample points is presented. The criterion, based upon the second derivative of a waveform, is derived, its properties are observed for a sine wave, and its applicability to complex signals is...
    Resource Type:
    Masters Thesis
    Full Text:
    sampling criterion. Possible application to on-line variable-rate sampling control for data compression is

  • The evaluation of data file access methods for an on-line information system

    Creator:
    Meesajjee, Chulit
    Abstract:
    It is necessary to evaluate and compare the characteristics of various methods of accessing data-files in order to utilize economically both the hardware and the software (Space and Time) supported by the digital on-line system. The purpose of this paper is to describe and evaluate the structure and use of...
    Resource Type:
    Masters Thesis
    Full Text:
    users. For the achievement of this goal, the processing information (data) has to be prearranged as

  • Development of a real-time digital computing facility in chemical engineering

    Creator:
    Fukui, Stanley Chikashi
    Abstract:
    An advanced laboratory interfacing capability was developed for the Real-Time Digital Computer Laboratory in the Chemical Engineering Department. A stationary interfacing unit located beside the computer mainframe and two small remote units were designed, developed and thoroughly tested. These interfacing units permit experiments with a wide variety of analog and...
    Resource Type:
    Masters Thesis
    Full Text:
    communications at high data rates. Cost-effective programming of microcomrsiters using a cross- assembler on

  • A schemata model of real-time information processing systems

    Creator:
    Szulewski, Paul A.
    Abstract:
    In an attempt to provide a practical means to measure the information processing capacity of a real-time digital processing system a theoretical framework, the Real-Time Schemata, whose basis is a schematic description and a measure of "useful information," is presented. The description applies to processes that would typically be implemented...
    Resource Type:
    Masters Thesis
    Full Text:
    , process control or data acquisition applications. A real-time environment imposes a number of processing

  • An experimental string processing extension to Pascal

    Creator:
    Weems, Charles Chilton
    Abstract:
    The need for and problems related to string processing are discussed and a definition of the term "string" is derived. A brief review of some existing string processing systems leads to the presentation of a design for a string processing extension to the programming language Pascal. A rationale for the...
    Resource Type:
    Masters Thesis
    Full Text:
    "L-lists" and the data elements as simply "elements". String processing has a very broad range of

  • SES: a real time message oriented system for easy intertask communication

    Creator:
    Saedi-Faez, Sheida
    Abstract:
    In process control systems where an entire process is being controlled by a computer, the component tasks of the system have to be monitored. An efficient message oriented environment could be an important factor in the optimization of such systems. In this paper we discuss the design of a real...
    Resource Type:
    Masters Thesis
    Full Text:
    application which runs on Data General NOVA and Texas Instruments 990 minicomputers. Thoth provides a set of

  • Robustness in a distributed storage server for engineering design data with versions

    Creator:
    Ecklund, Denise J.
    Abstract:
    Traditional database management systems have been deemed unsuitable for use in the Computer Aided Engineering environment Object-oriented data models with project management features have been proposed as an alternative. The Distributed Hypothetical Storage System is intended to serve as the underlying storage mechanism for an object-oriented data model. The storage...
    Resource Type:
    Dissertation
    Full Text:
    business data processing as the targeted application area. In the late 1970's, many new application areas