rare earth

Английский Язык - Турецкий язык

Определение rare earth в Английский Язык Турецкий язык словарь: nadir element; Lantanidler ya da nadir toprak elementleri, geçiş metallerinin bir alt serini oluştururlar ve toprakta çok az miktarda bulunurlar
rare earth elements: nadir toprak elementleri
rare earth metals: nadir toprak madenleri
rare earth elements: nadir toprak elementleri, seyrek toprak ögeleri
rare earth metals: nadir toprak madenleri, azrak toprak metalleri
rare earth elements: (Jeoloji) seyrek toprak öğeleri
rare earth elements: nadir toprak elementleri (nte)
rare-earth magnet: nadir toprak mıknatısı
heavy rare earth elements: ağır nadir toprak elementler
rare earths: (Nükleer Bilimler) nadir toprak elementleri

Английский Язык - Английский Язык

Определение rare earth в Английский Язык Английский Язык словарь: naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc; any element of the lanthanide series (atomic numbers 57 through 71)
rare earth element: Any of a group of soft, lustrous, sometimes magnetic metals that form trivalent salts; they include the lanthanides plus yttrium, scandium, thorium and sometimes zirconium
rare earth elements: plural form of rare earth element
rare earth magnet: Strong, permanent magnets that are made from alloys of rare earth elements, are much stronger than ferrite or alnico magnets, and are extremely brittle
rare earth metal: Any of a large class of chemical elements including scandium (atomic number 21), yttrium (39), and the 15 elements from 57 (lanthanum) to 71 (see lanthanides). The rare earths themselves are pure or mixed oxides of these metals, originally thought to be quite scarce; however, cerium, the most plentiful, is three times as abundant as lead in the Earth's crust. The metals never occur free, and the pure oxides never occur in minerals. These metals are similar chemically because their atomic structures are generally similar; all form compounds in which they have valence 3, including stable oxides, carbides, and borides
rare earths: plural form of rare earth
rare-earth magnet: A neodymium magnet or NIB magnet (also, but less specifically, called a rare-earth magnet) is a powerful magnet made of a combination of neodymium, iron, and boron — Nd2Fe14B