BL-GH光合有效传感�?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> 绿色植物进行光合作用过程中，吸收的太阳辐射中使叶绿素分子呈激发状态的那部分光谱能量、�span>波长约为400�?00纳米，以符号Qp代表，单位为W/m2。光合有效辐射是植物生命活动、有机物质合成和</span><span>产量形成的能量来源、�/span></p><p> BL-GH光合有效辐射表主要用于测400�?00nm波长范围内的自然光的光合有效辐射，具有使用简<span>单，可直接与数字电压表或数据采集器相连，可在全天候条件下使用等特点。其表体由铸铜加工而成</span><span>，表面静电喷塑，防腐蚀能力极强。半球形石英玻璃罩则是采用冷加工磨制而成，厚度为1.5��0.1mm</span><span>，同心度偏差不超�?.05mm，光谱范�?.4�?.7��m，透过率均�?0%以上。在机体各部连接处均装有O</span><span>型橡皮圈，机内装有干燥剂、�/span></p><p>基本原理</p><p> BL-GH光合有效辐射表是以大量实验证明的植物五种光合反应（既光合作用、色素合成、光周期�?span>象、趋光性和光形态诱变）都集中在波长0.4�?.7��m范围内这一原理设计生产的。采用硅光探测器＋�/span><span>通过一�?00�?00nm的光学滤光器，当有光照时，产生一个与入射辐射强度成正比的电压信号，并专�/span><span>其灵敏度与入射光的直射角度的余弦成正比。每台光合有效辐射表都给出各自的灵敏度，并可以直�?/span><span>读出单位�?#956;mol/m2*s 的测量数值� 保证生产出的产品可以精确的测量出光合有效辐射值、�/span></p><p><span>典型应用</span></p><p> 1、农作物生长</p><p> 2、光合潜力研穵�/p><p> 3、旅游环保生�?/p><p> 4、温室控刵�/p><p> 5、科研院校实骋�/p><p> 6、太阳能研究、�/p><p>技术指标：</p><p>光谱范围:400�?00nm</p><p>信号输出:0�?0mV</p><p>� � �?3�?0 ��V/��mol?m-2?s-1</p><p>响应时间:�?0s</p><p>� 阺�<2K</p><p>温度误差:��2%</p><p>余弦校正:上至80��入射觑�/p><p>余弦响应:�?0%(晴天太阳高度�?0��时，对理想值的偏差)</p><p>工作环境温度:-40℃～+80ℂ�/p><p>工作环境湿度:0�?00%RH</p><p>� 野�1.2kg</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="275453" /> <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）">