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VTETD 檢索結果共 19439 筆,本頁資料從第 121 筆到第 132 筆

The concept of a bin leasing system represents an effort to use bins more extensively. In a leasing system one inventory of bins would be used by two or more annual users. System benefits would be lower perâuse costs for the user and the opportunity for the lessor to make a profit.

In order to establish a working data base of information, a mailed questionna....


By Thomas Booth Garrahan-Accounting and Information Systems-VT-masters-2013-11-15
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A solution to the regression model y = xβ+ð is usually obtained using ordinary least squares. However, when the condition of multicollinearity exists among the regressor variables, then many qualities of this solution deteriorate. The qualities include the variances, the length, the stability, and the prediction capabilities of the solution.

An analysis ca....


By Philip L. Gatz-Statistics-VT-masters-2013-11-15
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In this thesis, a PROCESSOR and a POSTPROCESSOR are developed for a plane frame analysis computer program on the IBM PC. The PROCESSOR reads the data prepared by a PREPROCESSOR and solves for the unknown joint displacements using the matrix displacement method. The POSTPROCESSOR uses the results of the PROCESSOR to obtain the required responses of the structure. A chapt....

By Fawwaz I. Ghabra-Civil Engineering-VT-masters-2013-11-15
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Demand for Data Transfer between computers has increased ever since the introduction of Personal Computers ( PC ). Data Communicating on the Personal Computer is much more productive as it is an intelligent terminal that can connect to various hosts on the same I/O hardware circuit as well as execute processes on its own as an isolated system.

Yet, the PC on i....


By Sushmita Ghosh-Electrical Engineering-VT-masters-2013-11-15
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When a polymer film is deposited onto a roughened substrate, the film masks over the underlying substrate roughness. Then when attempting to measure the roughness of the polymer film surface using a stylus-type profile meter, the pressure between the tip of the stylus and the film is sufficient to plastically deform the polymer surface. The result is a possible erroneou....

By David R. Gilliam-Mechanical Engineering-VT-masters-2013-11-15
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Construction of braced excavations in major urban areas has increased over the last few decades. It is a major concern of the designer to limit ground movement around an excavation in order to prevent damage to adjacent structures, utilities and roads. Existing design methods can accurately predict ground and wall movement of a braced excavation, but the calculations....


By Sybil Elizabeth Hatch Goessling-Civil Engineering-VT-masters-2013-11-15
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A study was conducted with 21 Suffolk x (DorsetâCoop-worth) lambs to investigate the in vitro synthesis and degradation capabilities and the involvement of lysosomal enzymes in Se-E deficient ovine skeletal muscle. A randomized block design was utilized in which the lambs were subjected to 3 treatments: 1) A basal NaOH treated 85% corn, 15% hay diet to which was added ....

By Mitchell Taylor Gore-Animal Science-VT-masters-2013-11-15
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The life history of Fusconaia edgariana, the endangered shiny pigtoe pearly mussel, was determined in a two year study at North Holston Ford, North Fork Holston River (NFHRM 86.9) above Saltville, Virginia. Sixty 0.5m2 quadrats indicated a mean density of 10.6 mussels/m2, representing 10 species. Six additional species were collected by hand....

By Helen Elise Kitchel-Fisheries and Wildlife Sciences-VT-masters-2013-11-15
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Recent increases in atmospheric carbon dioxide caused by the combustion of fossil fuels and tropical deforestation may result in global warming. Carbon accumulation by regrowing temperate forests, in regions such as the southeastern United States, may have been extensive enough to counterbalance releases of carbon from the tropics. In the Virginia Piedmont, large amount....

By Paula M. Schiffman-Botany-VT-masters-2013-11-15
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The purpose of this research was to directly compare the behavior of zeolites containing rhodium with that of homogeneous rhodium species as catalysts for liquid phase hydroformylation of 1-hexene in order to study the effects of zeolite immobilization. NaX zeolite was cation exchanged with several rhodium salts and used as hydroformylation catalysts at 50°C and l25....

By Jill Schnitzer-Chemical Engineering-VT-masters-2013-11-15
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The purpose of this study was to assess male college students' use of condoms, reasons for using condoms, their attitudes toward sexuality and their attitudes toward condoms. The sample consisted of 305 male students who completed a questionnaire consisting of informational items (assessing class standing, marital status, reasons for using condoms, number of recent sexu....

By Kelli Kenison Kenison Schroeder-Health and Physical Education-VT-masters-2013-11-15
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A computer modeling experiment showed that grouping dairy cattle based on requirements of crude protein and net energy per kilogram expected dry matter intake (Grouper) had unique characteristics relative to other grouping systems. The objective of this study was to adapt the computerized Grouper system for practical use by implementing a field trial in commercial dairy....

By Brenda Lee Schucker-Dairy Science-VT-masters-2013-11-15
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