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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 10 of 1313 (0.02 seconds)Spelling suggestions: "subject:"all"" "subject:"fall""
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A study of ball millsKidd, Robert Lee. January 1929 (has links) (PDF)
Thesis (M.S.)--University of Missouri, School of Mines and Metallurgy, 1929. / The entire thesis text is included in file. Typescript. Title from title screen of thesis/dissertation PDF file (viewed October 6, 2009) Includes bibliographical references.
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Classificação no Boccia-dúvidas e controvérsiasBrochado, Maria Gabriela Mendes de Rocha January 2002 (has links)
No description available.
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Goalball-estudo sobre o estado de conhecimento da modalidade e avaliação desportiva - motora dos atletasRodrigues, Natércia January 2002 (has links)
No description available.
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Base-ball et dépendance le cas vénézuélien.Gonzalez, José. January 1987 (has links)
Th. 3e cycle--Sci. soc.--Paris 7, 1985.
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Studies on the Grinding Mechanism of New Ultra-Precision Ball Grinding MachineChen, Shen-Hang 29 July 2004 (has links)
The ceramic ball bearing has been used to exact machine for its good properties such as heat-resistant, corrosion-resisting, and wear-resisting. The old grinding methods of ball bearing spend much time and power. Although the magnetic fluid grinding method economizes time, but cost much money. This study research the effects of spindle speed, grit size, load, and the material of float-ring and fixed-ring on the grinding characteristics by using a new ultra-precision ball grinding machine which developed by our lab. Search the optimum operating conditions of this machine for the requirement of industrial circles.
Experimental results show that the converge rate of the saturated value for the sphericity, surface roughness (Ra), and the removal rate are increased with increasing spindle speed, grit size, or load. The sphericity and surface roughness (Ra) are increased when spindle speed, grit size, or load is increased. The sphericity and surface roughness (Ra) are increased with increasing removal rate in using the same grit size and load. Under a certain operating parameter of grinding process, the mean diameter and removal rate are decreased with increasing grinding time. The sphericity and surface roughness (Ra) are better when using the plastic than the float-ring and fixed ring of aluminum, but its removal rate is lower than aluminum¡¦s.
First, let the average sphericity achieve saturated value by using diamond grind disk to grinding the Al2O3 ceramic ball. Then, the optimum sphericity can achieve 0.7£gm and the surface roughness (Ra) can achieve 0.1£gm by using the B4C grits of 0.5£gm to grinding.
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Estudo sobre um efetivo controle da direção do lançamento com uma das mãos no basquetebolIracema, Paulo Murilo Alves, 1939- January 1992 (has links)
No description available.
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A coordenação visuo-motora na sincronização de acções rápidas-aplicação ao estudo do remate de voleibolSardinha, Luís January 1992 (has links)
No description available.
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A instrução e a estruturação das tarefas no treino de voleibol-estudo experimental no escalão de iniciados femininoSilva, Isabel Maria Ribeiro Mesquita da January 1998 (has links)
No description available.
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O ressalto no basquetebol-análise do comportamento do lançadorBarreto, Hermínio January 1995 (has links)
No description available.
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| 10 |
Comment les entraîneurs analysent les réponses motrices de leurs athlètes /Tanguay, Élaine. January 1997 (has links)
Thèse (Ph. D.) -- Université Laval, 1997. / Bibliogr.: f. [168]-175. Publ. aussi en version électronique.
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