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Dissertations / Theses on the topic 'LD5655.V855 1994.G858'

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Published: 4 June 2021

Last updated: 3 February 2022

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1

Gunther, Angela Price. "A study of occupational stress and smoking among hospital nurses." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-01312009-063612/.

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2

Guo, Mu. "Amplitude balancing in [tau]-p domain." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40667.

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</p><p>An approach to balance the amplitude of seismic data in the Ï -Ï domain is introduced in this study. The idea of amplitude balancing technique is based on the following observation: In the Ï -Ï domain, direct wave, ground-roll, primary reflection, multiple and refraction arrivals are located at different regions. These regions can be viewed as signal region and noise region. By increasing the amplitudes in the signal region and suppressing the amplitudes in the noise region, so called amplitude balancing in T-Ï domain, the signal-to-noise ratio of seismic data can be improved. The Ï

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3

Gulotta, Charles S. "Predictors of a young woman's pregnancy decision : application of the theory of planned behavior /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-01242009-063202/.

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4

Gueye, Moumar. "Managing the wildlife resources of Senegal's forests and wildands." Thesis, Virginia Tech, 1991. http://hdl.handle.net/10919/44228.

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<p>This thesis describes the wildlife resources of Senegal and a systems approach to how those resources can be managed. Based upon my 20 years experience in the Forest Service and the National Park Service, I made investigations through the literature, courses, seminars, conferences and interview in the United States and Senegal. The aim of the investigations was to gather wildlife resource-based data from Senegal, Africa, the United States, and other countries. This thesis is an effort to synthesize what is known about the forests and wildlife of Senegal and to describe a wildlife resource m

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5

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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6

Guillory, Dorothy. "Sex education for young adolescents : enhancing parental involvement /." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-05042010-020028/.

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7

McLamore, Dolores Sherita. "Determination of the relative stereochemistry of adducts resulting from the addition lithium dienolates to Michael acceptors." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43137.

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The addition of the lithium dienolate of ethyl crotonate to 2-cyclopentenone was studied to determine the stereochemical outcome of this Michael addition. Proof of the stereochemistry was provided via the unambiguous synthesis and comparison of ketone 73 from norcamphor 85.<br>Master of Science

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8

Wunder, Steven. "Between Earth and Sky." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36728.

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Architecture lies in the relationship between material and structure, in particular the poetic of constructed form. By poetic, I am referring to, as Kenneth Frampton put it, "the original Greek sense of poesis as an act of making and revealing." Through the dialogue of constructive elements, materials, the making of form and the resolution of structural forces, beauty and meaning arise. "Tectonics" is defined as "pertaining to building or construction in general" especially in reference to architecture. Gottfried Semper went further to use tectonic to define the qualities of making inherent

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9

Chen, Ru. "Isolation, structure elucidation and approaches to the partial synthesis of new taxol analogs." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-11102009-020316/.

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10

Hoffman, Rhonda M. "Pre-weaning diet and stall weaning method influences on stress response in foals." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40651.

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<p>The response of foals to the stress of weaning was examined in terms of a behavioral protocol and the responses of plasma ascorbate, serun1 cortisol, and the serum cortisol response to an ACTH challenge. Behavior scores (1 to 10) as an index of stress were assigned to each foal daily, with high scores indicating less stress and better adjustment. The experimental plan was a 2 X 2 factorial of pre-weaning diet and stall weaning method. Foals were raised on pasture supplemented with hay and a pelleted concentrate (PHC) or pasture supplemented with hay only (PH). Foals were placed in st

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11

Hurst, Gregory H. "Evaluation of the use of ferrous iron for chlorite removal under alkaline pH conditions." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42148.

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Chlorine dioxide has gained much attention for use as a possible alternative disinfectant in water treatment plants due to concerns regarding trihalomethane formation in drinking waters which utilize chlorine as the primary disinfectant and the strict regulations regarding THM's and THMFP (MCL of 0.080 mg/L for TTHMs) (Pontius, 1993). Although the use of Cl02 as a disinfectant prevents the formation of THM's, concern exists regarding the potential health risks due to the disinfection-by-products of chlorite and chlorate. T<p>he main objective of this project was to study the removal of chlorit

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12

Yoder, Jonna D. "Modified atmosphere packaging of hard grated cheeses." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43806.

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The objective of this study was to use MAP technology to produce safe, shelf-stable, high quality, hard grated cheeses not requiring preservatives or refrigeration during distribution and sale. Initially, a challenge study with Staphylococcus aureus (S. aureus) was conducted to determine the water activity (Aw) level of high-moisture cheeses necessary to prevent the growth of a food pathogen when packaged under a modified atmosphere (25% CO, and 75% N,). Other microbial analysis included mold and yeast enumerations. Secondly, product quality and shelf stability were determined biweekly by se

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13

Molique, Robert S. "Frictional behavior of polymers : the transition from static to kinetic conditions /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063256/.

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14

Nunez, Steven C. "Behavioral, temporal, and spatial relationships in free-ranging female Anolis carolinensis (Sauria: Polychridae)." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063313/.

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15

Morgan, Steven Craig. "Effects of context on the leniency, accuracy, and utility of self-appraisals of performance : social comparison information and purpose of appraisal /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06102009-063250/.

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16

Lee, Fang Chi. "An exploratory study of international tourism demand from the selected countries to Taiwan." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06232009-063249/.

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17

Sultan, Michael S. "An analysis of the term structure of interest rates, January 1980-March, 1994." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42235.

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The purpose of this study is to describe and analyze the behavior of the term structure of interest rates on a daily basis between January 2, 1980, and March 31, 1994, especially with respect to the synchronization and the relative amplitude of change of different maturities in the term structure. Results reveal a high degree of synchronization of the elements of the yield curve during this period. Volatility was found to vary inversely with maturity during this time. The characteristics seen in the daily term structure of this period are consistent with observations in prior studies, incl

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18

LePera, Stephen Damian. "An experimental study of controlled gas phase synthesis of nanosize TO2 powders." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43439.

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<p>Recently there has been an increased interest in the generation of ceranlic powders composed ofnanosize particles with a narrow size-distribution and high purity. It has been shown that ceramics sintered from these ultrafine partic1es exhibit improved mechanical and electrical properties. The present research has attempted to control the growth of the ceramic particles in a relatively simple continuous flow process by placing charges on the forming particles and controlling their evolution with an electric field.</p> <p> Nanosize Ti0<sub>2</sub> powder was produced using a multi-stream, co-

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19

Guo, Ting. "Separation of the common-mode and the differential-mode conducted electromagnetic interference noise." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40663.

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One of the difficulties in solving E:MI problems is the lack of diagnostic tools available. In this thesis work, a tool, called Noise Separator, is developed, which can be used to decipher the differential-mode (DM) noise and the common-mode (CM) noise from the total noise. A noise separator hardware is built and tested. The results show that at least 50 dB rejection to either DM or CM noise is achieved for frequency ranging from 10 KHz to 30 MHz. With the aid of the Noise Separator, EMI filter design is made easier.<br>Master of Science

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20

Khan, Ashraf Reza. "Preparation and characterization of lead lanthanum titanate thin films by metalorganic decomposition." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42122.

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<p>There is a critical need for materials with very high dielectric constant to be integrated in the next generation of 64- and 256-Mb ULSI DRAMs. Materials in the Pb-based perovskite family have high relative permittivities and have consequently attracted a world wide attention. Cubic Lead Lanthanum Titanate (PLT) is one of the prime candidates in this respect and its structure and properties in the thin film form were investigated in the present study, for potential application in the ULSI DRAMs.</p> <p>Thin films of Lead Lanthanum Titanate corresponding to 28 atomic percentage of lanthanum

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21

Holliday, Glenn E. "Supporting design: a computational theory of design and its implementation in a software support tool." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40670.

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Most work in knowledge acquisition and manipulation has focused on expert systems. Expert systems solve one kind of problem: heuristic classification. This thesis extends some advances in knowledge engineering to a broader class of problem: design. <p>Design is examined as a generic activity, found in many fields of professional practice. A theoretical framework is developed that supports the refinement of design from high-level concepts through implementation. This framework includes a computational model that is shown to be completely general (Turing-equivalent). Therefore, the theory and mo

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22

Kafka, Byran C. "Measurements of in-cylinder heat transfer with inflow-produced turbulence." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41948.

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Heat transfer in cylinder spaces is important to the performance of many reciprocating energy conversion machines, such as gas compressors and Stirling machines. Work over the past 10 years has shown that heat transfer driven by oscillating pressure differs from steady state heat transfer in magnitude and in phase; in-cylinder heat transfer under this oscillating condition can be out of phase with the temperature difference. For studies with closed piston-cylinder gas springs, this heat transfer phase shift has been successfully predicted with the use of a complex Nusselt number; since a compl

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23

Haney, Orrick Rowland. "Design, performance, and analysis of a multi-level air permeability test." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40664.

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The design, performance, and analysis of a soil vapor extraction system to identify zones most conductive to air transport and quantify kair in sequential soil layers is presented. A multi-level extraction well, with alternating solid and screened sections, was utilized to characterize multi-layered media. The field site, located in the Carolina Slate Belt within the physiographic region known as the Piedmont, is comprised of alternating layers of different soil types of varying kair , including thin bands of clay, silt, and sand. <p>The pneumatic test consisted of one multi-level e

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24

Koyama, Junji. "Effects of earthquakes on partially-filled water tanks." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43432.

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<p>This thesis is concerned with the effects of earthquakes on partially-filled water tanks. The analysis is applicable to rectangular water tanks, which have received little attention to date. The analysis is relatively involved and includes the derivation of the equations of motion for the vibration of the whole of tank by means of substructure synthesis, a stochastic analysis relating the random ground motion caused by earthquakes to the random vibration of the tank, a stochastic characterization of the fluid pressure and computation of the probability of failure of the tank. <p><br>Master

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25

Black, Kurt D. "An investigation of strategic planning implementation and deployment efforts." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42628.

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Many American organizations have reported dissatisfaction with the results of their strategic planning, TQM, or other large-scale change efforts. Some have even abandoned their efforts all together. According to the literature, the major problem seems to be with implementation and deployment. One of the major obstacles that organizations face in the implementation and deployment phase of their planning effort is the loss of momentum. They seem to get the ball rolling and generate a lot of initial excitement but then after some period of time, the energy level begins to decline. All of t

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26

Taylor, Jesse H. "An application of signature of smooth manifolds." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07292009-090530/.

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27

Renfrow, Joseph A. "A comparison of the use of classical and modern control design techniques for improving the lateral-directional powered approach flying qualities of the F-14 aircraft." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07292009-090506/.

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28

Nair, Rajesh. "On improving parallel pattern single fault propagation for synchronous sequential circuits." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06302009-040508/.

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29

Peters, Diane S. "Impact damage evaluation of high performance polymeric composite material systems." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-08222009-040525/.

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30

Yang, Won-Kyung. "The nursing home search and selection process : gender and relationship issues /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063521/.

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31

Savens, Barbara. "A greenways approach to resource management : the process of environmental corridor design /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-01242009-063114/.

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32

Shoaf, M. Todd. "Urban in the sky : a vertical transition /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12052009-020340/.

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33

Wolfe, Kristy L. "Evaluation of plasma sprayed coatings as surface pretreatments for adhesive bonding." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063427/.

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34

Perdue, James Patrick. "Modeling and simulation of surface mount packages." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07112009-040410/.

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35

Moon, Walter Todd. "A place for anything and nothing." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/64024.

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The architectural design process is a cycle of analysis and synthesis which ultimately yields a built structure that responds not only to functional needs but also provides revelations about the world in which we live. Architecture presents a dialogue at different levels and scales, allowing for many interpretations as well as revealing basic truths.<br>Master of Architecture

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36

Daskalakis, Epaminondas. "Building in the shadow of the Acropolis: architecture as a contextual response." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/53372.

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"The problem of the contemporary language of Greek architecture still remains ‘unsolved’ and any debate about the contemporary ‘Greek styles’ is a debate about the ideology and culture of today." Christofellis, Alexander, Function and Strategies of Architectural Composition The primary motivating force that led to the realization of this project, was a continuous need I felt to "reconnect" with the physical and spiritual reality of Greece, for this is the place I shall return to and attempt to understand and taste the next step of my life. Throughout the past six years of my studies within

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37

Wayne, Sean Patrick. "Architecture by the edge of a lake: an enclosed skating facility for Lake Fairfax Park." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/53389.

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The following project is an enclosed ice skating facility located in Fairfax County, Virginia. The Ice Rink will be constructed to support and encourage all phases of skating activity including figure skating, hockey, and year ‘round recreational skating. Because there is only one other enclosed ice skating rink within a 60 mile radius and the demand for ice time at that rink is nearing capacity, the need for another facility is great. During the winter months, there is a diminished number of activities, especially for children. There, the creation of an ice rink becomes not only a catalyst fo

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38

Page, Hilary Allyn. "A community of houses." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/53381.

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This thesis is about the process of discovery. It is a search for an ordered architecture that is faithful to the generating ideas that formed it. It is the creation of an architecture that captures the spirit of the place where it lives. The form of architecture is the manifestation of an idea that satisfies and expresses a need. The purpose of architecture is to inspire and fulfill the spirit. But the true essence of architecture lies beyond appearance. It is an internal quality revealed by what it is, what it represents, and what it contributes to mankind. It is essential to reach beyond m

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39

Bangia, Anshu. "A city's edge: where the land meets water." Thesis, Virginia Polytechnic Institute and State University, 1994. http://hdl.handle.net/10919/53365.

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The Edge of a City is a philosophical region, where City and Natural Landscape overlap, existing without choice or expectation.' Steven Holl The interaction across boundaries sets up a dialogue that is highly complex and ambiguous. The periphery of a modern city presents itself as an erratic composition of fragments having little or no relationship to the existing fabric of the city. The mediating ground between natural landscape and a built—up environment, the city's edge is an opportunity for a new synthesis of urban life and form. But more often than not it is treated as 'leftover' space

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40

Wang, Feng. "Molecular composites of a conducting polymer: syntheses and characterization of poly(1,4-phenylenevinylene)-crown ether rotaxanes." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/45061.

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Polyrotaxanes, a new class of polymer architectures, so called molecular composites, are comprised of macrocycles threaded by linear backbones with no covalent bond between them. By using poly(1,4-phenylenevinylene) (PPV), one of the most promising conductive polymers, as the linear backbone and different sizes of crown ethers (42C14, 60C20) as macrocycles, molecular composites of the conducting polymer were generated To compare with the PPV rotaxanes, PPV was synthesized and characterized by NMR, IR, UV-vis, photoluminescence spectroscopy, and TGA. The molecular weight of this polymer was mea

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41

Sterner, Jeanne J. "A school of modern dance in the city of Berlin." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41983.

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42

Scott, Keith A. "4 urban houses." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41385.

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43

Dempsey, Craig Thomas. "Design, fabrication, and calibration of an instrumented drop weight impact tester." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10062009-020330/.

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44

Dysart, Marc James. "Development and validation of a posture prediction algorithm." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-10312009-020410/.

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45

Dhuru, Shilpa H. "The use of three-dimensional computer-generated models for design presentations : implications for kitchen showroom displays /." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12052009-020311/.

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46

Wade, Dawn E. "Lutalyse® induces uterine-ovarian PGF₂α release in sheep: a critical component of induced luteolysis". Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43803.

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Exogenous PGF<sub>2α</sub>, (see Appendix I for definitions of abbreviations) is luteolytic in midluteal (1.e., d 9 of a 17 d estrous cycle) sheep. However, the pharmacokinetic responses to PGF<sub>2α</sub>-induced luteolysis are not known. This study (Exp. 1 and 2) was conducted to determine several pharmacokinetic responses to two dosing regimens of Lutalyse® (PGF<sub>2α</sub>). Experiment 1 was a 2 x 2 factorial design, with Lutalyse and H/Ox as main effects. Lutalyse (15 mg) was injected i.m., and blood samples were collected, relative to the time of injection, from the vena cava at points

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47

Mecham, Sue Jewel. "Gas permeability of polyimide/polysiloxane block copolymers." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43136.

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A series of perfectly alternating polyimide/ poly(dimethylsiloxane) microphase separated block copolymers ranging from 0-50 wgt. % poly(dimethylsiloxane) have been measured for permeability characteristics. The polyimide segment of the copolymers was based on oxydiphthalicdianhydride (ODPA) and 1,4-Bis(4-amino-1,1- dimethylbenzyl)benzene (Bis P). The polysiloxane was an aminopropyl terminated poly(dimethylsiloxane). Randomly segmented block copolymers of =20 wet. % poly(dimethylsiloxane) with different segment lengths were also studied, based on the same materials for the sake of comparison wi

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48

Shen, Liu Yin. "Studies of androgenic processes in diploid potato." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42094.

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Androgenic processes in diploid potato (2n=2x=24) were studied in three interspecific hybrids. Five incubation temperature treatments were examined. Temperature shock (35°C) during the first 12 h of anther culture and elevated incubation temperature (30°C 16h/20°C 8h) (hereafter 35°C-30°C/20°C) enhanced androgenic embryo production. Variation among experiment dates was highly significant. Temperature treatment (35°C-30°C/20°C) during anther culture did not influence the subsequent conversion rate of androgenic embryos, thus providing a simple and effective way to enhance androgenic embryo yiel

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49

Zhan, Lijun. "Integrated airport capacity and delay model: computer package of the Federal Aviation Administration advisory circular 150/5060-5." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/43610.

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A prototype computer software was created to predict airport hourly capacities and delays~ taxiway hourly capacity, gate group hourly capacity, overall airport hourly capacity, and annual service volumes. The possibility to replace the existing Federal Aviation Administration Advisory Circular 15015060-5 in the future was also explored. The development of the computer software, ICAD--Integrated Airport Capacity and Delay Model was based primarily upon HyperCard as well as other supporting statistical and drafting computer software such as CA Cricket Graph III, Minitab 7.0, MacPaint and

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50

Hall, Judith K. "Ecofeminism and geography: the case of Vandana Shiva and Chipko." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/40673.

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<p>The study of human-environment interactions by geography is traditionally conceptualized as the "man-land" theme in geographic analysis. Feminists and other post-structuralists criticize that conceptualization. Following those critiques, this study evaluates ecofeminism as a possible alternative to a "man-land" formulation. <p>Ecofeminism is presented and analyzed as a school of thought that also studies human-environment interactions. Vandan Shiva's discourse and treatment of Chipko provide the central ecofeminist case study. The thesis elucidates ecofeminism's sensitivity to the geographi

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