植物蒸腾速率测定�?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"> <p><strong>植物蒸腾速率测定�?/strong>用逓�/p><p>　　FT-QZ20植物气孔计是一款采用开路测量的科研型植物气孔计。用来测量各种因素对叶片气孔行为的影响，可方便、重复、准确地计算出气孔阻抗、气孔导度和蒸腾速率，还可测得空气温湿度，叶面温度，光合有效辐射。广泛的应用于植物叶片的水分生理研究，农作物水分利用、水分胁迫危害、生物化控调节效果等研究、�/p><p>　　测量原理</p><p>　　原理：根据循环扩散原理，由植物叶片表面湿度的变化来进行测量计箖�/p><p>　　测量功能</p><p>　　空气温度、湿度、流量、光强PAR、叶片温度、湿度曲线、蒸腾速率，气孔导度、气孔阻抗，气体质量流逞�/p><p>　　测量单位� 蒸腾速率(Tr)：mmolH2Om-2.s-1</p><p>　　气孔导度(Gs): molH2Om-2.s-1</p><p>　　气孔阻抗(Rs):sm-1</p><p>　　精度：蒸� 1�?% ，导� 5�?0%</p><p>　　</p><center></center><p>　　技术参�?/p><p>　　叶室温度９�/p><p>　　德国贺利氏高精度数字温度传感器，测量范围�?20-80℃，分辨率：0.1℃，误差��0.2ℂ�/p><p>　　叶片温度９�/p><p>　　铂电阻，测量范围�?20-60℃，分辨率：0.1℃，误差��0.2ℂ�/p><p>　　湿度９�/p><p>　　瑞士进口高精度数字湿度传感器９�/p><p>　　测量范围0-85%，分辨率�?.1%，误差≤ 1%</p><p>　　光合有效辐射(PAR)９�/p><p>　　带有修正滤光片的硅光电池</p><p>　　测量范围�?-3000��molm �?� ，精�?5��molm �?�? 响应波长范围�?00�?00nm</p><p>　　微型电子流量计，流量�?.2-1L范围内任意设定。分辨率�?.0001L，零点漂移：��0.005L</p><p>　　电源：大容量DC8.4V充电锂电池，一次充电可连续工作12小时</p><p>　　数据存储：内�?6G，可扩展�?2G</p><p>　　数据传输：USB连接电脑可直接导出数�?/p><p>　　显示�?.5"TFT真彩液晶屏彩色显示器，分辨率 800��480，强光下清晰可见</p><p>　　按键：六按键，操作简单方侾�/p><p>　　体积�?60��260��130mm</p><p>　　重量：主�?.25kg</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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="227023" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">