Bell
A bell is a directly struck idiophone percussion instrument. Most bells have the shape of a hollow cup that when struck vibrates in a single strong strike tone, with its sides forming an efficient resonator. The strike may be made by an internal "clapper" or "uvula", an external hammer, or—in small bells—by a small loose sphere enclosed within the body of the bell (jingle bell).Bells are usually cast from bell metal (a type of bronze) for its resonant properties, but can also be made from other hard materials. This depends on the function. Some small bells such as ornamental bells or cowbells can be made from cast or pressed metal, glass or ceramic, but large bells such as a church, clock and tower bells are normally cast from bell metal.
Bells intended to be heard over a wide area can range from a single bell hung in a turret or bell-gable, to a musical ensemble such as an English ring of bells, a carillon or a Russian zvon which are tuned to a common scale and installed in a bell tower. Many public or institutional buildings house bells, most commonly as clock bells to sound the hours and quarters.
Historically, bells have been associated with religious rites, and are still used to call communities together for religious services. Later, bells were made to commemorate important events or people and have been associated with the concepts of peace and freedom. The study of bells is called campanology. Provided by Wikipedia
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Myths, stereotypes and realities of African-American women : a personal reflection by Bell, Ella Louise.
Published 2009
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Public policy, law and the black school. by Boswell, Bonnie Bell
Published 2010
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Melt extrusion and continuous manufacturing of pharmaceutical materials by Bell, Erin R
Published 2011
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Cosmic ray acceleration in pulsar-driven supernova remnants: The effect of scattering by Bell, A, Lucek, S
Published 1996Journal article -
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Would Cutting Payroll Taxes on the Unskilled Have a Significant Impact on Unemployment? by Nickell, S, Bell, B
Published 1997Book section -
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The interplay of DNA binding, ATP hydrolysis and helicase activities of the archaeal MCM helicase. by Liew, L, Bell, S
Published 2011Journal article -
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The stability, during formation, of magnetohydrodynamically collimated jets by Lucek, S, Bell, A
Published 1997Journal article -
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Termination structures in the Escherichia coli chromosome replication fork trap. by Duggin, I, Bell, S
Published 2009Journal article -
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P450 enzymes from the bacterium Novosphingobium aromaticivorans. by Bell, S, Wong, L
Published 2007Journal article -
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Non-linear amplification of a magnetic field driven by cosmic ray streaming by Lucek, S, Bell, A
Published 2000Conference item -
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HIERARCHICAL-CLUSTERING IN THE SPECTRA OF INCOMMENSURATE SYSTEMS by Bell, S, Stinchcombe, R
Published 1989Journal article -
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Larger colony sizes favoured the evolution of more worker castes in ants by Bell-Roberts, L
Published 2024Dataset -
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Competition, not cooperation, dominates interactions among culturable microbial species. by Foster, K, Bell, T
Published 2012Journal article -
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Would Cutting Payroll Taxes on the Unskilled Have a Significant Effect on Unemployment? by Nickell, S, Bell, B
Published 1996Working paper -
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Ancient ESCRTs and the evolution of binary fission. by Samson, R, Bell, S
Published 2009Journal article -
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New Evidence of the Impact of Dividend Taxation and on the Identity of the Marginal Investor. by Bell, L, Jenkinson, T
Published 2000Working paper -
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The stability, during formation, of magnetohydrodynamic jets collimated by an azimuthal magnetic field by Lucek, S, Bell, A
Published 1996Journal article