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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="text-wrap-mode: wrap;"><img src="https://img1.cnpowder.com.cn/img/daily/2025/10/16/141539_433789_ue_procont.png" title="141539_433789_ue_procont.png" alt="1.png" width="677" height="313" style="width: 677px; height: 313px;"/></p><p style="text-wrap-mode: wrap;">氧化镧（La₂O₃）是一种关键稀土氧化物，具有高熔点、高纯度、优异的光学与催化性能，是电子、新能源、工业材料等领域的核心功能材料。以下从核心特性、制备工艺、市场格局及前沿应用等方面展开解析９�/p><p style="text-wrap-mode: wrap;"><span segoe="" pingfang="" hiragino="" sans="" microsoft="" helvetica="" font-size:="" style="background-color: rgb(255, 255, 255);">核心特性与晶型优势</span></p><ol class="auto-hide-last-sibling-br list-paddingleft-2" style="list-style-type: none;"><li><p><span style="outline: none; -webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border: 0px solid; margin: 0px; padding: 0px; font-weight: 700; line-height: 28px; overflow-anchor: auto;">基础性能</span></p></li><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="list-style-type: none;"><li><p>晶型以六方晶系为主，熔点高达 2315℃，莫氏硬度 6-7，化学稳定性强，耐酸碱腐蚀、�/p></li><li><p>纯度可精准控制在 99.9%�?N）至 99.999%�?N），5N 级产品重金属杂质含量低于 0.5 ppb，满足半导体行业严苛要求、�/p></li><li><p>光学特性突出，� 200-800 nm 波段透光率达 85% 以上，是红外光学材料的核心组分、�/p></li></ul><li><p><span style="outline: none; -webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border: 0px solid; margin: 0px; padding: 0px; font-weight: 700; line-height: 28px; overflow-anchor: auto;">功能改�?/span></p></li><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="list-style-type: none;"><li><p>与氧化铈、氧化钇掺杂形成固溶体，可提升催化活性，例如 La-Ce-O 固溶体的储氧能力（OSC）较单一氧化铈提� 25%、�/p></li><li><p>表面包覆 SiO₂可改善分散性，用于抛光液时，对蓝宝石的去除速率� 1.8 μm/min，表面粗糙度低至 0.4 nm</p></li></ul></ol><h3 class="header-iWP5WJ auto-hide-last-sibling-br" segoe="" pingfang="" hiragino="" sans="" microsoft="" helvetica="" text-wrap-mode:="" background-color:="" margin-bottom:="" 12px="" style="text-wrap-mode: wrap; outline: none; -webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border: 0px solid; margin-top: 28px; margin-right: 0px; margin-left: 0px; padding: 0px; font-size: 18px; line-height: 28px; overflow-anchor: auto;">安全性与可持续发屔�/h3><ol class="auto-hide-last-sibling-br list-paddingleft-2" style="list-style-type: none;"><li><p><span style="outline: none; -webkit-font-smoothing: antialiased; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); border: 0px solid; margin: 0px; padding: 0px; font-weight: 700; line-height: 28px; overflow-anchor: auto;">风险防控</span></p></li><ul class="auto-hide-last-sibling-br list-paddingleft-2" style="list-style-type: none;"><li><p>职业暴露风险：长期吸入氧化镧粉尘可能引发呼吸道刺激，生产过程需配备防尘设备、�/p></li><li><p>法规合规：欧� REACH 法规将其列为普通化学品，无严格使用限制，但电子级产品需符合 RoHS 标准、�/p></li></ul></ol><p><img src="https://img1.cnpowder.com.cn/img/daily/2025/10/16/141556_252611_ue_procont.png" title="141556_252611_ue_procont.png" alt="2.png" width="659" height="560" style="width: 659px; height: 560px;"/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 高熔点、高纯度、优异的光学与催化性能，是电子、新能源、工业材料等领域的核心功能材� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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