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1

Schaefer, Carl George. "Enhanced energy maneuverability for attack helicopters using continuous, variable rotor speed control." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020156/.

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2

Schultz, Carole Lynn. "Development of an information literacy course for community college students." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-10022007-145035/.

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3

Scholz, Joseph T. "Determining effects of text-to-speech synthesis in a multimedia learning environment on science achievement for students with learning disabilities in reading." Diss., Virginia Tech, 1995. http://hdl.handle.net/10919/39158.

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The purpose of this study was to explore the effect of text-to-speech in a multimedia learning environment on science achievement for students with learning disabilities in reading. The researcher examined how student achievement on unit tests was related to their participation with the experimental treatment. A secondary purpose of the study was to determine whether students prefer the combination of digitized audio and text, or text alone. The researcher used a quasi-experimental, counter-balanced, post-test only design for the study. Qualitative information was collected using post experiment individual and small group interviewing techniques. The sample used in this study was selected from students enrolled at The Forman School, a private school specializing in the education of students with learning disabilities. Specifically, the sample consisted of students with dyslexic reading problems. This independent school is located in Connecticut and currently uses multimedia in daily instruction. The sample consisted of 22 students enrolled in life science classes. The students' ages ranged from 13-19 years and the grade levels ranged from 9-12. Intact, pre-grouped students were randomly assigned to the experimental groups. The main thrust of the study was to examine the effect on achievement of the type of instruction (with and without text-to-speech synthesis) applied. The experimental group consisted of students who received modified multimedia instruction (treatment), including the text-to-speech synthesis. The control group consisted of students who received standard multimedia instruction; a series of texts and graphics without text-to-speech synthesis. Both lessons were identical in content and appearance, with the exception of the text-to-speech synthesis modification.<br>Ph. D.
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4

Schindler, Paul M. "Corrosion detection using metal coatings on fiber optic sensors." Thesis, Virginia Polytechnic Institute and State University, 1995. http://hdl.handle.net/10919/74546.

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Fiber optic sensors have been utilized as corrosion sensors by depositing metal coatings to the surface of the sensors. Three types of fiber optic sensors were investigated as candidates for corrosion detection: the extrinsic Fabry-Perot interferometer (EFPI), the absolute extrinsic Fabry-Perot interferometer (AEFPI), and the long period grating (LPG) fiber optic sensor. The corrosion monitoring technique used with the EFPI and AEFPI sensors exploits the ability of a thick coating of metal to maintain strain information in fiber optic strain sensors. The sensors are placed under tensile stress, and while in the resulting strained position, a thick coating of metal is applied. Due to an increase in the quantity of material, the sensor does not return to its original position upon release, and strain is maintained within the sensor element. As the metal thickness decreases due to corrosion, this residual strain is released, providing the sensing mechanism for corrosion detection. LPG fiber optic sensors have demonstrated their ability as bandstop filters, by coupling the fundamental guided mode to circularly symmetric cladding modes. The cladding modes are extremely lossy due to the fiber jacket and bending along the fiber. Losses at discrete wavelengths can be monitored to determine the onset and progress of metal corrosion. Background theory and experimental results are discussed and reported for EFPI, AEFPI, and LPG fiber optic corrosion sensors. The study is preceded with an overview of different corrosion sensor designs and methods which are used in the area of non-destructive evaluation.<br>Master of Science
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5

Schrader, Jeffrey A. "A doppler electrophoresis instrument for macromolecular characterizations." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-05022009-040443/.

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6

Schulz, Steven Ernest. "System interactions and design considerations for distributed power systems." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-03022010-020127/.

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7

Mohammad, Haris. "Modeling the roof deck and determining its effect on the stability of a glulam timber dome." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020120/.

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8

Taousakis, Michael. "Development and implementation of zone logic concepts on shipbuilding modernization." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020209/.

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9

Besecky, Edward Joseph. "Computer software to calculate the systematic coordinate differences between two geodetic datums." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02022010-020034/.

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10

Linn, Oliver M. "Test data set formulation of data types and sizes for the Federal Aviation Administration's Weather Message Switching Center Replacement." Master's thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/40686.

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<p>In order to ensure the successful demonstration that the Weather Message switching center Replacement (WMSCR) of the Federal Aviation Administration (FAA) can complete its primary mission of accepting and distributing various data formats in use today and those of future systems, including the expected message traffic, this study was initiated.</p> <p> This Test Data set Formulation will specify the various data formats, worst-case traffic load/size, and a distribution scenario for the WMSCR. From this Formulation, an actual Test Data Set can be constructed and used to test the WMSCR.</p> <p> A description of the WMSCR, its operational environment, current users, future users, various message formats and associated sizing requirements per interface are detailed within.</p><br>Master of Engineering
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11

Hall, Kathleen J. "An examination of issues related to the implementation of evolutionary development and DOD-STD-2167A in software development:a practitioners view." Master's thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41813.

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The author of this report has long been interested in the process of developing software. Commonly referred to as "software engineering", the definition and standardization of the process has been a subject of concern throughout the software industry. As early as 1972, Frederick P. Brooks likened large system programming efforts to the La Brea Tar Pits; the muck, mire and tar of software development delays and cost overruns eventually defeating even the most skillful and experienced developers. [1] This report is intended to provide another stepping stone through the tar. <p>The author was fortunate to be provided the opportunity to develop two similar software projects, in like hardware environments, using different development approaches. The first project was developed using an Evolutionary Development approach, the later system utilized the current government standard, DOD-STD-2167A. This report outlines the lessons learned in applying these development approaches. <p>This report does not intend to criticize either the Evolutionary Development or DOD-STD-2167A approaches to developing software. Rather this analysis seeks to identify factors and issues which software developers should consider in implementing either of these approaches.<br>Master of Science
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12

Sadam, Chalapathirao Kishan. "The design of graphical output interface for the runway exit design interactive model." Master's thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/45687.

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13

Nanda, Nonit. "A review of computer aided facilities layout packages." Master's thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/40596.

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14

Schlagel, Donald H. "Reliability and validity of an expert system for landscape visual quality assessment." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-01102009-064010/.

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15

Voll, Robert W. "Comparing the accuracy and efficiency of algorithms for converting cartesian to geodetic coordinates." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02162010-020028/.

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16

Worrell, William J. "Nitrocellulose literature review characterization and application to modern gun propellants." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01122010-020032/.

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17

Wells, David Alan. "Radon properties, chemistry and occurrence with emphasis on ground water." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-04272010-020026/.

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18

Smith, Philip E. "A comparison of reverse vending machine alternatives." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03172010-020021/.

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19

O'Keefe, John Daniel. "A reliability, maintainability, supportability and availability analysis of a submarine sonar system." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02022010-020050/.

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20

Kim, Han Yong. "An investigation of capacity and delay of runway configurations using the SIMMOD simulation model." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020044/.

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21

Guidi, Mark Arthur. "Human factors implications of psychological stress in long duration space flight." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020138/.

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22

Feltner, D. James. "An investigation into the stability of redundant controller voting schemes." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02022010-020046/.

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23

Buttarazzi, Michael James. "A systems approach to automated pharmacy dispensing." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12162009-020010/.

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24

Hein, Roger Alan. "Total life-cycle construction (TLC)." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01122010-020009/.

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25

Adams, Mark D. "Signal detection optimization for underwater acoustics." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02022010-020009/.

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26

Olafsson, Sveinn V. "An analysis for total productive maintenance implementation." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020147/.

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27

Nicholson, Michael Eugene. "The effect of overload and traditional pitcher conditioning on the velocity of pitched baseballs." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01262010-020057/.

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28

McCormack, Eileen M. "Parking : balance between parking demand and public policy /." This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020108/.

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29

Melder, Karl Henry. "PC-Gipsy:a usable PC-based image processing system." Master's thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/40772.

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30

Norcio, Sheila Azadeh. "Object-oriented and relational databases : a comparative study of concepts and applications /." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020128/.

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31

Narayanappa, Harish. "Investigating bridge deck deterioration using failure analysis technique and Markov chains." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01262010-020053/.

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32

Goold, Jennifer L. "A systems approach for acquiring an automated maintenance management system." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12162009-020022/.

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33

Lemons, Paul M. "Development of a pulmonary rehabilitation program : a biopsychosocial approach /." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020100/.

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34

Smith, Larry Jackson. "The immediate effects of consolidation on rural high school athletics in Lee County, Virginia." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020204/.

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35

Schima, Francis Joseph. "Groundwater transport of Escherichia coli bacteria to open surface waters on Virginia's Coastal Plain : a GIS approach /." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-12162009-020249/.

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36

Schilling, Johannes-Georg. "The politics of injustice rhetoric and poverty in Reagan's America." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10242009-020213/.

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37

Kreider, David K. "Objectives, principles, and attributes : an approach to methodology development and evaluation for systems engineering /." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01262010-020037/.

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38

Brooks, Gail Dean. "Data coverage performance evaluation for real-time systems." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020017/.

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39

Pinion, Michael G. "Capital budgeting model for a nuclear power plant using multiattribute decision analysis." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020151/.

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40

Wolfe, Douglas E. "Airplane dynamic modeling and automatic flight control design." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020132/.

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41

Smith, Edward Jerome. "Preliminary design of a lateral load resisting system for a multi- use high-rise building." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020200/.

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42

White, Irma. "An initial concept study for a product management decision support system (PMDSS) supporting executives in a manufacturing, marketing and distribution company." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03302010-020213/.

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43

Hoffman, Leo Henry. "Effects of target's acceleration on alpha-beta tracking filters." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01122010-020019/.

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44

Hirsch, Gwen N. "Marketing in the Forest Service : a focus on agency image /." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01262010-020025/.

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45

Nusom, F. Allen. "Application of the systems engineering process to the explosive ordnance disposal requirement for an underwater system." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-12232009-020010/.

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46

Angeh, Wolfgang Ondua. "Design and performance analysis of a survivable metropolitan area fiber optic communication network." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02022010-020030/.

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47

Smith, Pieter R. "A computerized search methodology for the design of mixed model assembly systems." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-02162010-020023/.

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48

Zukoski, Matthew J. "Interactive Image Author : an authoring tool for creating interactive graphic files /." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020144/.

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49

Godshall, R. N. "The application of level of repair analysis to military electronics programs." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03172010-020011/.

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50

Kuczko, John Thomas. "A manual for the development and care of a baseball facility." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020052/.

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