Miningrare-earth(稀土)elements(REEs)haslongbeenconsideredadirtybusiness,asitcanleadtowaterandsoilpollution,butanewtechnologydevelopedbyChinesescientistsmaychangethetrend,offeringagreeneralternativefortheindustry.REEs,especiallyheavyones,areanessentialpartofmanyhigh-techdevices,fromtheenginesofelectriccarsandsmartphones...
您要找的是不是 rare-earth element rare-earth elements right alignment redevelopment rare elements 必应词典应用 准确权威无广告去官网了解更多 下载手机版必应词典 iOS Windows Phone Android 体验P C 版必应词典Win32 版Microsoft 商店 © 2022 Microsoft 隐私声明和 Cookie 法律声明 广告 帮助 反馈...
Rare earth elements - statistics & facts Rare earths include a list of 17 chemical elements that, over the past decades, have become increasingly sought-after due to their use in many advanced technologies. The end uses of rare earths include the production of magnets, batteries, catalysts, dis...
Hedrick INTRODUCTION The rare earth elements (REEs), which include the 15 lanthanide elements (Z = 57 through 71) and yttrium (Z = 39), are so called because most of them were originally isolated in the 18th and 19th centuries as oxides from rare minerals. Because of their reactivity, ...
The rare earth elements are all metals, and the group is often referred to as the "rare earth metals." These metals have many similar properties, and that often causes them to be found together in geologic deposits. They are also referred to as "rare earth oxides" because many of them ...
The growing demand for strategic resources such as rare earth elements (REEs) for development of modern technologies has spurred an increase in mining activities and consequently a release of REEs into the environment, posing a potential threat to human health. Phytoextraction or phytomining, regarded...
Rare Earth Elements and BoronChapter pp 1–273 Cite this chapter Sc, Y, La-Lu, Rare Earth Elements Hartmut Bergmann, Gerhard Czack, Hiltrud Hein, Sigrid Ruprecht & Ursula Vetter Part of the book series: Gmelin Handbook of Inorganic and Organometallic Chemistry - 8th edition ((2063,volume S...
november 1, 1983 editor: p. henderson language: english ebook isbn: 9781483289779 9 7 8 - 1 - 4 8 3 2 - 8 9 7 7 - 9 developments in geochemistry, volume 2: rare earth element geochemistry presents the remarkable developments in the chemistry and geochemistry of the rare earth elements....
Rare - earth elements and depositional environments of the Sinian system in southwestern Hunan are discussed. 湘西南震旦系是在“江口裂谷”作用下形成的一套特殊地层. 互联网 The effect of addingrare earth elements, metals, metal carbides into cemented carbide, are summarized. ...
elementn.[C] 1.要素,特色 2.【通常作单数】某事物的少量,某事物的启示或痕迹;自然的或合适的环境或栖息地 3.【化】元素 4.[the elements]自然力, 天气等(尤指坏天气) rare roastedadj. 半熟的 rare book善本 earth'sa. 地球的,土地的 earth(ing)接地 ...