1.0New Favor Industry Co., Ltdhttps://nf-magnet.com/enservicehttps://nf-magnet.com/en/author/service/rich600338<blockquote class="wp-embedded-content" data-secret="PjNQeiNo6L"><a href="https://nf-magnet.com/en/project/rare-earth-elements/">How Are Rare Earth Elements Classified? A Breakdown of the 17 Rare Earth Metals: Properties and Applications</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://nf-magnet.com/en/project/rare-earth-elements/embed/#?secret=PjNQeiNo6L" width="600" height="338" title="“稀土元素如何分類？17種稀土金屬特性與應用解析” — 新祺實業" data-secret="PjNQeiNo6L" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://nf-magnet.com/wp-includes/js/wp-embed.min.js /* ]]> */ </script>https://nf-magnet.com/wp-content/uploads/2024/09/稀土元素.png411231"Rare earth elements," also known as "rare earth metals," refer to a group of 17 metallic chemical elements in the periodic table, including scandium (Sc), yttrium (Y), and the 15 lanthanides.Despite their name suggesting rarity, these elements are not scarce in the Earth's crust. What makes them "rare" is their dispersed distribution and the difficulty of refining them. Only a few deposits are concentrated enough to be mined economically, hence the term "rare earth."