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lead shield

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  • lead shield — in radiology, a lead barrier for protecting personnel from radiation …   Medical dictionary

  • shield — A protecting screen; lead sheet for protecting the operator and patient from x rays. [A.S. scild] embryonic s. a thickened area of the embryonic blastoderm from which the embryo develops. nipple s. a cap or dome placed over the …   Medical dictionary

  • Lead shielding — refers to the use of lead as a form of radiation protection to shield people or objects from radiation. Lead can effectively attenuate certain kinds of radiation because of its high density and high atomic number; principally, it is effective at… …   Wikipedia

  • Shield (disambiguation) — Shield may refer to:Protection* Shield, a hand held protective device meant to intercept attacks * Electromagnetic shielding * Shielded cable * Energy shield * Deflector shield, a protective energy field * Heat shield, which protects a spacecraft …   Wikipedia

  • shield´like´ — shield «sheeld», noun, verb. –n. 1. a piece of armor carried on the arm or in the hand to protect the body in battle, used in ancient and medieval warfare. 2. anything used to protect: »He turned up his collar as a shield against the cold wind. A …   Useful english dictionary

  • shield´er — shield «sheeld», noun, verb. –n. 1. a piece of armor carried on the arm or in the hand to protect the body in battle, used in ancient and medieval warfare. 2. anything used to protect: »He turned up his collar as a shield against the cold wind. A …   Useful english dictionary

  • Lead-bismuth eutectic — LBE redirects here. For the U.S. airport, see Arnold Palmer Regional Airport. Lead Bismuth Eutectic or LBE is a eutectic alloy of lead (44.5%) and bismuth (55.5%) used as a coolant in some nuclear reactors, and is a proposed coolant for the lead… …   Wikipedia

  • Shield (Archie Comics) — Superherobox| caption= Pep Comics #1 (January 1940), first appearance of The Shield, drawn by Irv Novick. comic color=background:#c0c0c0 character name=The Shield real name=Joe Higgins publisher=MLJ (Archie Comics) debut= Pep Comics #1 (January… …   Wikipedia

  • Shield of Achilles — This article is about the shield of Achilles. For the poems by W. H. Auden, see The Shield of Achilles . The Shield of Achilles is the shield that Achilles uses to fight Hector, famously described in a passage in Book 18, lines 478 608 of Homer s …   Wikipedia

  • lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

  • shield — shielder, n. shieldless, adj. shieldlessly, adv. shieldlessness, n. shieldlike, adj. /sheeld/, n. 1. a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords,… …   Universalium

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