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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> 7芯航空插头氧传感� 98-C**CX16七芯航空插座氧电� KY氧电�?/p><p>电极中，由黄金（Au）环或铂（Pt）金环作阴极；银-氯化银（或汞-氯化亚汞）作阳极。电解液为氯化钾溶液。阴极外表面覆盖一层透氧薄膜。薄膜可采用聚四氟乙烯、聚氯乙烯、聚乙烯、硅橡胶等透气材料。阴阳两电极之间外加0.5~1.5伏的极化电压。有的极化电压为0.7伏。当溶解氧透过薄膜到达黄金阴极表面，在电极上发生如下反应�?nbsp;</p><p>阴极被还原：O2+H2O+4e�?OH-</p><p>同时，阳极被氧化�?Cl-+4Ag-4e�?AgCl</p><p>在正常情况下，上述还�?氧化反应产生的扩散电流i∞之值与溶氧浓度成正比。可用下式表示：</p><p>i∝�nFA（Pm/L）Cs</p><p>式中：i∞－稳定状态的扩散电流</p><p>n－得失电子数</p><p>F－法拉第常数�?6500 库仑（�/p><p>A－阴极表面积（平方厘米）</p><p>Pm－薄膜的渗透系数（厘米2/秒）</p><p>L－薄膜的厚度（厘米）</p><p>Cs－溶解氧浓度（ppm（�/p><p><br/></p><p>当电极结构和薄膜确定之后，式中A、Pm、L、n等均为常数。令K= nFA（Pm/L），则上式中：i∝�KCs、�/p><p>因此可见，只要测得扩散电流i∞，即可测得溶解氧浓度。为消除温度、盐度和气压因素影响，各型号产品采用各自技术进行补偿、�/p><p>原电池型（Galvanic Cell）：当外界氧分子透过薄膜进入电极内相到达阴极的三相界面时，产生下式反应、�/p><p>银阴极被还原：O2+2H2O+4e�?OH-</p><p>同时，铅阳极被氧化：2Pb+2KOH+4OH--4e�?KHPbO2+2H2O</p><p>即：氧在银阴极上被还原为氢氧根离子，并同时向外电路获得电子；铅阳极被氢氧化钾溶液腐蚀，生成铅酸氢钾，同时向外电路输出电子。接通外电路之后，便有信号电流通过，其值与溶氧浓度成正比、�/p><p><br/></p><p>电话0571-6*******,88076898 手机13362****** 传真0571-8*******</p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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