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VTETD 檢索結果共 19439 筆,本頁資料從第 109 筆到第 120 筆

In this study, the ability to represent form increased as the child became more mature, The mental age and chronological age showed negligible difference in acceptence of suggestions, with this age group, it was readily apparent which paintings are directed and which are non-directed.....

By Barbara Hutson Hoover-School of Home Economics-VT-masters-2013-11-15
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By Bruce Wayne Mitchell-Mechanical Engineering-VT-masters-2013-11-15
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This thesis describes the development of a coupled finite element â boundary element program for a microcomputer. The steps outlined in the thesis include the adaptation of a mainframeâbased boundary element code for use on a microcomputer, the Verification of this program with sample problems, the development of an algorithm for coupling the Finite Element Method to ....

By Steven Andrew Brown-Engineering Mechanics-VT-masters-2013-11-15
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The current study investigated the task performance and subjective preference for two color displays with differing image generation technologies, the standard cathode ray tube shadow mask (CRT) display and the newer liquid crystal/cathode ray tube (LC/CRT) display. Six subjects performed three different information processing tasks using each of the two color display t....

By Cristina Christensen-Industrial Engineering and Operations Research-VT-masters-2013-11-15
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Characteristics of Maine trappers were investigated by monitoring license buying behavior from 1976-1980 and by using a mail questionnaire after the trapping season in 1980.

Trapping license sales increased 56% during the 5âyear study period. From 37-41% of individuals who first purchased a license during this time period did not purchase one the next year. M....


By Alan G. Clark-Fisheries and Wildlife Sciences-VT-masters-2013-11-15
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The purpose of this study was to locate, examine, classify and analyze lawsuits based on student injuries due to alleged negligence in public school physical education and athletic programs in the United States during the period of 1980 to 1984. A preliminary investigation of the American Digest System revealed appropriate case citations for this study. Each citation wa....

By Deborah Anne Clarke-Health and Physical Education-VT-masters-2013-11-15
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This project proved to be a valuable learning experience. Nith 25000 lines of code and comments, the database system was much larger than was originally anticipated and the lack of defined interfaces between the physical and logical structures of the system manifested itself early. Nere I to rewrite the database system, I would do as the System R programmers did and sta....

By Stephen Michael Choquette-Computer Science-VT-masters-2013-11-15
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The response of macroinvertebrate and protozoan colonization dynamics to industrial pollution was determined in a thermal organic effluent and in a metals effluent. The relationship of the time course data to the MacArthur-Wilson model is considered, along with Pinkham and Pearson°s community similarity index and traditional community structural parameters. The re....


By Karen P. Christensen-Biology-VT-masters-2013-11-15
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The feasibility of achieving carrier inversion of a properly doped crystal via optical excitation is studied. This process involves a host substrate doped with deep donors for n-type light characteristic and compensated by a shallow acceptor for p-type characteristic in the dark. This substrate is analyzed using wellâknown semiconductor equations. In addition condition....

By Eric D. Cole-Electrical Engineering-VT-masters-2013-11-15
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Proliferation of computers with varying word sizes has led to increases in software use where random number generation is required. Several techniques have been developed. Criteria of randomness, portability, period, reproducibility, variety, speed, and storage are used to evaluate developed generation methods. The Tausworthe method is the only method to meet the portab....

By Anthony Wayne Crunk-Computer Science and Applications-VT-masters-2013-11-15
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Two of the leading causes of automobile accidents are driver impairment due to alcohol and drowsiness. Apparently, a relatively large percentage of these accidents occur because drivers are unaware of the degree to which they are impaired due to these sources. The purpose of this research was to develop models which could detect driver impairment due to alcohol, drow....


By Thomas A. Dingus-Industrial Engineering and Operations Research-VT-masters-2013-11-15
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Rain and other precipitation cause attenuation and depolarization of high frequency satellite signals. Some characteristics of rain can be measured by dual-polarized radar. These characteristics can then be used to predict the effects of the rain on satellite·path propagation. This thesis describes briefly the theory of radar and satellite link measurements. Methods ....

By Carol Diane Friberg-Electrical Engineering-VT-masters-2013-11-15
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