lead shielding

См. также в других словарях:

• 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

• Lead castle — A lead castle, also called a lead cave or a lead housing, is a structure composed of bricks made of lead. Lead castles are a type of lead shielding and are used to enclose small radioactive sources. They are used during nuclear research and… …   Wikipedia

• Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… …   Wikipedia

• Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …   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

• lead — lead1 /leed/, v., led, leading, n., adj. v.t. 1. to go before or with to show the way; conduct or escort: to lead a group on a cross country hike. 2. to conduct by holding and guiding: to lead a horse by a rope. 3. to influence or induce; cause:… …   Universalium

• lead —    A soft, malleable, ductile, easily fusible, dull medium gray, dense metal used in containers for corrosives, solder, tire ballancing weights, bullets, and radiation shielding. Lead has been removed as a component of pencils, house paints… …   Glossary of Art Terms

• shielding — noun 1. the act of shielding from harm (Freq. 3) • Derivationally related forms: ↑shield • Hypernyms: ↑protection 2. a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay (Freq. 2) • Hyper …   Useful english dictionary

• Radiation protection — Radiation protection, sometimes known as radiological protection, is the science of protecting people and the environment from the harmful effects of ionizing radiation, which includes both particle radiation and high energy electromagnetic… …   Wikipedia

• Radioisotope thermoelectric generator — A radioisotope thermoelectric generator (RTG, RITEG) is an electrical generator which obtains its power from radioactive decay. In such a device, the heat released by the decay of a suitable radioactive material is converted into electricity by… …   Wikipedia

• Space elevator safety — There are many safety issues associated with the construction and operation of a space elevator. A space elevator would present a considerable navigational hazard, both to aircraft and spacecraft. Aircraft could be dealt with by means of simple… …   Wikipedia