granular spheres

Online Dictionary of Invertebrate Zoology. . 2005.

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  • Materia granular — Ejemplos de materia granular: esferas de plástico, grava, lentejas y semillas de ajonjolí. La materia granular o materia granulada es aquella que está formada por un conjunto de partículas macroscópicas sólidas lo suficientemente grandes para que …   Wikipedia Español

  • Shock absorber — Gas damper A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. It is a type of dashpot. Contents …   Wikipedia

  • Contact dynamics — deals with the motion of multibody systems subjected to unilateral contacts and friction. Such systems are omnipresent in many multibody dynamics applications. Consider for example Contacts between wheels and ground in vehicle dynamics Squealing… …   Wikipedia

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  • silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… …   Universalium

  • James E. Atwater — is a North American physical scientist with academic qualifications in biology, chemistry, and geophysics. He was awarded the 2006 Wright Brothers Medal [ [http://www.sae.org/servlets/awardInfo?OBJECT TYPE=awardInfo PAGE=awardRecipients REQUEST… …   Wikipedia

  • Silica gel — Identifiers CAS number 63231 67 4  …   Wikipedia

  • Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …   Wikipedia

  • Bagnold number — The Bagnold number, named after Ralph Alger Bagnold, used in granular flow calculations, is defined by: Ba=frac{mD^2gamma}{2gamma emu}where m is the mass, D is the grain diameter, gamma is the surface tension and mu is the interstitial fluid… …   Wikipedia

  • Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …   Universalium

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