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・ Polymeric immunoglobulin receptor
・ Polymeric liquid crystal
・ Polymeric surface
・ Polymerichthys
・ Polymeridium
・ Polymerization
・ Polymers for Advanced Technologies
・ Polymersome
・ PolymerUpdate
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・ Polymesoda caroliniana
・ Polymesoda maritima
・ Polymestor
・ PolyMet mine
・ Polymet Mining Corporation
Polymetal
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・ Polymetallic replacement deposit
・ Polymethine
・ Polymethylhydrosiloxane
・ Polymethylpentene
・ Polymethylsiloxane polyhydrate
・ Polymetme
・ Polymicrogyria
・ Polymictic lake
・ PolymiRTS
・ Polymita
・ Polymita picta
・ Polymitia
・ Polymitia eximipalpella


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Polymetal : ウィキペディア英語版
Polymetal

In chemistry or mining, polymetal or polymetallic is a substance composed of a combination of different metals. When the substance contains only two metals the term ''bimetal'' (''bimetallic'') is sometimes preferred. A polymetallic ore (or ''polymetal'' ore) is an ore that is the source of more than one metal suitable for recovery. A mine containing polymetallic ore is a polymetallic mine. Polymetallic nodules are concretions of manganese and iron (and other metals) found on the ocean floor. They are sometimes called ''manganese nodules'', after their principal component.
==References==

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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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