土壤氧气扩散测定�?参数-价格-中国粉体罐�/title>

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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"> <strong>仪器简介：</strong></p><p><p>用途： </p><p> 土壤氧扩散率（ODR）测定仪测量的是氧气在土壤中迁移率。迁移率表明植物根系可利用的活性氧的重要指标� </p><p> 原理� </p><p> 此种方法测量的是将土壤中圆柱状铂电极表面所有活性氧还原所需的电流、�/p></p><p><strong>技术参数：</strong></p><p><p>基本技术指标： </p><p> 范围：Redox�?�?99mV� </p><p> ODR：铂电极表面积为�?.226cm2�?�?99��A� </p><p> 对应�?2扩散率为0�?500mg��m-2��s-1�?�?1mg��cm-2��min-1� </p><p> *小量程：Redox�?mV� </p><p> ODR�?��A，对�?.5mg��m-2 �� s-1�?.021mg��cm-2��min-1� </p><p> 精密度：Redox�?#177;3mV� </p><p> ODR�?#177;3��A� </p><p> 电源�?�?.5mA电池、�/p></p><p><strong>主要特点９�/strong></p><p><p>组成� </p><p> 读数元件� </p><p> ODR探测器（铂电极）� </p><p> 铜电极； </p><p> �?氯化银参考电极； </p><p> 氯化钾溶液、�/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;"> 暂无数据� </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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