Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1262 for “"ball"”.
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Tee-Ball
… between the ages of seven to nine playing Tee-ball would receive a significantly higher number of opportunities to learn baseball skills than boys playing in the Atom Leagues; and as a result of the greater number of opportunities to learn, Tee-ball would result in greater improvement than …
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Twine Ball: Stories
<p>This dissertation is comprised of seven works of short fiction that revolve around contemporary life in the Upper Midwest and a nonfiction critical preface that illustrates authors creative concerns and influences in writing. The seven stories are united recurring characters and settings, a …
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Ball milling process
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1963
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Sustainable ball clay mineral extraction.
… environmental law and policy has on access to ball clay mineral resources in the Wareham Basin, Dorset. Ball clay is a non-renewable resource and planning for its sustainable use involves a consideration of current and future exploitation needs to meet demand as well as the protection of the …
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Grinding in a ball mill
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Metallurgy, 1951.
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Optimisation of an industrial scale ball mill using an online pulp and ball load sensor
… stirred mill, in parallel with the secondary ball mill. The operation treats the PGM bearing UG2 ore type and produces a final concentrate enriched with PGM's. The concept was to treat the finer silicate rich fraction in the IsaMill and the coarser chromite rich fraction through the ball mill. …
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On Nelson Street and Ball Lightning
Creative nonfiction and poetry.
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The Aerodynamics of Cricket Ball Swing
… Bowling technique, the condition of the ball and atmospheric conditions are all considered important for swing, yet there is little quantification of these factors even in elite cricket. Previous experimental studies have not provided a description of swing that aligns with measurements …
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A ball-on-beam project kit
An apparatus of the classical ball-on-beam problem was designed and constructed to be used as a pedagogical instrument in feedback courses. The aesthetic and mechanical design incorporated economical materials to make kits of this apparatus attractive and cost effective. This thesis describes the …
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Assembly Optimization for Double Row Ball Bearings
… on optimal assembly methods for double row ball bearings. As with common single row bearings, double row ball bearings, consist of four general components, namely, an inner ring, an outer ring, a complement of balls and a cage or retainer to keep the balls separate. Unlike single row …
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Investigating carbocations using high speed ball milling
… reactions can occur under high speed ball milling conditions; the results were that primary alkyl halides undergo substitution reactions, while the reactions of secondary alkyl halides depend on the nucleophile. However, reactions that form a carbocation intermediate, such as, …
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Reaction Wheel Ball Bearings Microvibration Source Characterisation
… misalignments and imperfections affecting the ball bearing components, are some of the main causes that generate microvibrations disturbances onboard, affecting the pointing stability of the satellite line-of-sight. The work presented in this thesis aims to characterize the RW disturbance …
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Characterization and analysis of ball plasmoid discharges
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2018-09-27 without embargo terms
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Design of omnidirectional vehicles with ball wheels
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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A statistical survey of ball lightning observations
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Dr. Jones : a software design explorer's crystal ball
Most of software design is redesign. Redesign in the normal course of design happens when the software becomes difficult to maintain and the problem it is intended to solve has changed. Although software redesign is necessary, frequent, and pervasive, there is a dearth of tools that help …
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