非甲烷總烴氣袋法采樣器GR-1211-青島國(guó)瑞力恒環(huán)?？萍加邢薰?/TITLE> <META NAME="Keywords" CONTENT="非甲烷總烴氣袋法采樣器"> <META NAME="Description" CONTENT="青島國(guó)瑞力恒環(huán)?？萍加邢薰舅峁┑腉R-1211非甲烷總烴氣袋法采樣器質(zhì)量可靠、規(guī)格齊全,青島國(guó)瑞力恒環(huán)?？萍加邢薰静粌H具有專業(yè)的技術(shù)水平,更有良好的售后服務(wù)和優(yōu)質(zhì)的解決方案,歡迎您來電咨詢此產(chǎn)品具體參數(shù)及價(jià)格等詳細(xì)信息！"> <script src="/ajax/common.ashx" type="text/javascript"></script> <script src="/ajax/NewPersonalStyle.Classes.SendMSG,NewPersonalStyle.ashx" type="text/javascript"></script> <script src="/js/videoback.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="/Skins/371945/css/style.css"> <link rel="stylesheet" type="text/css" href="/Skins/371945/css/swiper.min.css"> <script type="text/javascript" src="/Skins/371945/js/jquery.min.js"></script>  <script type="text/javascript" src="/Skins/371945/js/swiper.min1.js"></script> <script type="text/javascript" src="/Skins/371945/js/lunbo.js"></script>  <script language="javascript" type="text/javascript"> var nav= '3'; </script>  <script type=text/javascript src="/Skins/371945/js/base.js"></script> <link rel="shortcut icon" href="/Skins/371945/favicon.ico" /> <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http:///Products-33694555.html", "title": "非甲烷總烴氣袋法采樣器GR-1211", "pubDate": "2020-03-10T18:57:40", "upDate": "2023-03-14T14:03:36" }</script> <script type="text/javascript" src="/ajax/common.ashx"></script> <script src="/ajax/NewPersonalStyle.Classes.SendMSG,NewPersonalStyle.ashx" type="text/javascript"></script> <script type="text/javascript"> var viewNames = ""; var cookieArr = document.cookie.match(new RegExp("ViewNames" + "=[_0-9]*", "gi")); if (cookieArr != null && cookieArr.length > 0) { var cookieVal = cookieArr[0].split("="); if (cookieVal[0] == "ViewNames") { viewNames = unescape(cookieVal[1]); } } if (viewNames == "") { var exp = new Date(); exp.setTime(exp.getTime() + 7 * 24 * 60 * 60 * 1000); viewNames = new Date().valueOf() + "_" + Math.round(Math.random() * 1000 + 1000); document.cookie = "ViewNames" + "=" + escape(viewNames) + "; expires" + "=" + exp.toGMTString(); } SendMSG.ToSaveViewLog("33694555", "ProductsInfo",viewNames, function() {}); </script> <script language="javaScript" src="/js/JSChat.js"></script><script language="javaScript">function ChatBoxClickGXH() { DoChatBoxClickGXH('https://chat.chem17.com',374343) }</script><script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body class="about_body"> <h1><a href="http:///">超碰人人在线,人妻夜夜爽天天爽一区,性欧美大战久久久久久久,亚洲激情在线</a></h1><div id="3lhxn" class="pl_css_ganrao" style="display: none;"><label id="3lhxn"><output id="3lhxn"></output></label><ruby id="3lhxn"><thead id="3lhxn"><pre id="3lhxn"><tt id="3lhxn"></tt></pre></thead></ruby><output id="3lhxn"><form id="3lhxn"></form></output><span id="3lhxn"><nobr id="3lhxn"></nobr></span><mark id="3lhxn"><dfn id="3lhxn"></dfn></mark><small id="3lhxn"><dfn id="3lhxn"></dfn></small><tt id="3lhxn"></tt><rp id="3lhxn"><legend id="3lhxn"><sub id="3lhxn"><rp id="3lhxn"></rp></sub></legend></rp><var id="3lhxn"><progress id="3lhxn"><small id="3lhxn"><th id="3lhxn"></th></small></progress></var><rp id="3lhxn"></rp><pre id="3lhxn"><pre id="3lhxn"><strike id="3lhxn"><font id="3lhxn"></font></strike></pre></pre><progress id="3lhxn"><optgroup id="3lhxn"></optgroup></progress><div id="3lhxn"><thead id="3lhxn"></thead></div><pre id="3lhxn"></pre><th id="3lhxn"></th><thead id="3lhxn"></thead><ol id="3lhxn"><mark id="3lhxn"><pre id="3lhxn"><pre id="3lhxn"></pre></pre></mark></ol><menuitem id="3lhxn"></menuitem><nobr id="3lhxn"><optgroup id="3lhxn"><sup id="3lhxn"><strike id="3lhxn"></strike></sup></optgroup></nobr><mark id="3lhxn"></mark><nobr id="3lhxn"><meter id="3lhxn"></meter></nobr><form id="3lhxn"></form><center id="3lhxn"></center><rt id="3lhxn"></rt><button id="3lhxn"></button><sup id="3lhxn"></sup><cite id="3lhxn"><ul id="3lhxn"><source id="3lhxn"></source></ul></cite><s id="3lhxn"></s><menu id="3lhxn"><tbody id="3lhxn"><tr id="3lhxn"></tr></tbody></menu><tfoot id="3lhxn"><tr id="3lhxn"><center id="3lhxn"></center></tr></tfoot><delect id="3lhxn"><pre id="3lhxn"><noscript id="3lhxn"></noscript></pre></delect><noscript id="3lhxn"></noscript><bdo id="3lhxn"><xmp id="3lhxn"><nav id="3lhxn"></nav></xmp></bdo><dl id="3lhxn"></dl><code id="3lhxn"><input id="3lhxn"><strike id="3lhxn"></strike></input></code><dfn id="3lhxn"></dfn><strong id="3lhxn"><samp id="3lhxn"><object id="3lhxn"></object></samp></strong><xmp id="3lhxn"></xmp><noscript id="3lhxn"><dd id="3lhxn"><menu id="3lhxn"></menu></dd></noscript><noframes id="3lhxn"><tfoot id="3lhxn"><tbody id="3lhxn"></tbody></tfoot></noframes><abbr id="3lhxn"><tbody id="3lhxn"><tbody id="3lhxn"></tbody></tbody></abbr><option id="3lhxn"></option><noscript id="3lhxn"><dd id="3lhxn"><abbr id="3lhxn"></abbr></dd></noscript><xmp id="3lhxn"></xmp><pre id="3lhxn"></pre><kbd id="3lhxn"></kbd><abbr id="3lhxn"><pre id="3lhxn"><strong id="3lhxn"></strong></pre></abbr><optgroup id="3lhxn"><sup id="3lhxn"><code id="3lhxn"></code></sup></optgroup><ul id="3lhxn"></ul><tbody id="3lhxn"></tbody><small id="3lhxn"><samp id="3lhxn"><input id="3lhxn"></input></samp></small><strike id="3lhxn"><li id="3lhxn"><xmp id="3lhxn"></xmp></li></strike><center id="3lhxn"><acronym id="3lhxn"><th id="3lhxn"></th></acronym></center><optgroup id="3lhxn"></optgroup><tr id="3lhxn"><kbd id="3lhxn"><wbr id="3lhxn"></wbr></kbd></tr><acronym id="3lhxn"></acronym><tr id="3lhxn"></tr><xmp id="3lhxn"></xmp><li id="3lhxn"><wbr id="3lhxn"><abbr id="3lhxn"></abbr></wbr></li><rt id="3lhxn"></rt><acronym id="3lhxn"><strong id="3lhxn"><noscript id="3lhxn"></noscript></strong></acronym><abbr id="3lhxn"><center id="3lhxn"><optgroup id="3lhxn"></optgroup></center></abbr><strong id="3lhxn"></strong><option id="3lhxn"></option><tfoot id="3lhxn"><xmp id="3lhxn"><pre id="3lhxn"></pre></xmp></tfoot><bdo id="3lhxn"></bdo><s id="3lhxn"><pre id="3lhxn"><abbr id="3lhxn"></abbr></pre></s><td id="3lhxn"></td><del id="3lhxn"></del><xmp id="3lhxn"><nav id="3lhxn"><tfoot id="3lhxn"></tfoot></nav></xmp><del id="3lhxn"><s id="3lhxn"><em id="3lhxn"></em></s></del><tr id="3lhxn"><code id="3lhxn"><delect id="3lhxn"></delect></code></tr><fieldset id="3lhxn"><abbr id="3lhxn"><td id="3lhxn"></td></abbr></fieldset><option id="3lhxn"></option><menu id="3lhxn"><pre id="3lhxn"><tbody id="3lhxn"></tbody></pre></menu><strong id="3lhxn"><ul id="3lhxn"><optgroup id="3lhxn"></optgroup></ul></strong><rt id="3lhxn"><option id="3lhxn"><th id="3lhxn"></th></option></rt><delect id="3lhxn"><nav id="3lhxn"><tfoot id="3lhxn"></tfoot></nav></delect><pre id="3lhxn"></pre><wbr id="3lhxn"><abbr id="3lhxn"><dl id="3lhxn"></dl></abbr></wbr><tr id="3lhxn"><menu id="3lhxn"><acronym id="3lhxn"></acronym></menu></tr><tbody id="3lhxn"><rt id="3lhxn"><center id="3lhxn"></center></rt></tbody><em id="3lhxn"><cite id="3lhxn"><li id="3lhxn"></li></cite></em><li id="3lhxn"></li><dl id="3lhxn"></dl><cite id="3lhxn"></cite><abbr id="3lhxn"><rt id="3lhxn"><em id="3lhxn"></em></rt></abbr><ul id="3lhxn"><input id="3lhxn"><pre id="3lhxn"></pre></input></ul><center id="3lhxn"><small id="3lhxn"><blockquote id="3lhxn"></blockquote></small></center><tbody id="3lhxn"><small id="3lhxn"><center id="3lhxn"></center></small></tbody><wbr id="3lhxn"></wbr><input id="3lhxn"></input><wbr id="3lhxn"></wbr><center id="3lhxn"><optgroup id="3lhxn"><strike id="3lhxn"></strike></optgroup></center><em id="3lhxn"><strike id="3lhxn"><ul id="3lhxn"></ul></strike></em><optgroup id="3lhxn"><strike id="3lhxn"><bdo id="3lhxn"></bdo></strike></optgroup><abbr id="3lhxn"></abbr><del id="3lhxn"></del><pre id="3lhxn"><bdo id="3lhxn"><object id="3lhxn"></object></bdo></pre><noscript id="3lhxn"></noscript></div>   <div class="iu7u9n1ckzs0" id="Top" class="clearfix"> <div id="iu7u9n1ckzs0" class="pz_top"> <div id="iu7u9n1ckzs0" class="top1"> <div id="iu7u9n1ckzs0" class="w_1200"> <div id="iu7u9n1ckzs0" class="left">歡迎光臨<a href="/" >青島國(guó)瑞力恒環(huán)?？萍加邢薰揪W(wǎng)站</a>！</div> <div id="iu7u9n1ckzs0" class="right"> <a href="/order.html" rel="nofollow">在線留言</a><em></em><a href="/contact.html" rel="nofollow">聯(lián)系我們</a> </div> </div> </div> <div id="iu7u9n1ckzs0" class="top2"> <div id="iu7u9n1ckzs0" class="w_1200"> <div id="iu7u9n1ckzs0" class="logo"><a href="/" title="青島國(guó)瑞力恒環(huán)?？萍加邢薰?><img _tip="w590 h55" src="/Skins/371945/images/logo.jpg" width="100%" alt="青島國(guó)瑞力恒環(huán)保科技有限公司"></a></div> <div id="iu7u9n1ckzs0" class="dh"> <div id="iu7u9n1ckzs0" class="t1">咨詢熱線</div> <div id="iu7u9n1ckzs0" class="t2">16653209061</div> </div> <div id="iu7u9n1ckzs0" class="top_search"> <form id="form1" name="tk" method="post" onsubmit="return checkFrom(this);" action="/products.html"> <input type="text" class="Search" name="keyword" placeholder="請(qǐng)輸入關(guān)鍵詞"> <input type="submit" value="" name="Submit" class="sear_sub"> </form> </div> </div> </div> <div id="iu7u9n1ckzs0" class="menu" id="navSlide"> <div id="iu7u9n1ckzs0" class="w_1200"> <ul> <li id="navId1" class="nli"><span><a href="/">首頁</a></span></li> <li id="navId2" class="nli"><span><a href="/aboutus.html" rel="nofollow">關(guān)于我們</a></span></li> <li id="navId3" class="nli"><span><a href="/products.html">產(chǎn)品中心</a></span></li> <li id="navId4" class="nli"><span><a href="/news.html">新聞動(dòng)態(tài)</a></span></li> <li id="navId5" class="nli"><span><a href="/article.html">技術(shù)文章</a></span></li> <li id="navId9" class="nli"><span><a href="/honor.html" rel="nofollow">榮譽(yù)資質(zhì)</a></span></li> <li id="navId7" class="nli"><span><a href="/order.html" rel="nofollow">在線留言</a></span></li> <li id="navId8" class="nli"><span><a href="/contact.html" rel="nofollow">聯(lián)系我們</a></span></li> </ul> </div> </div> </div> </div> <script src="http://www.chem17.com/mystat.aspx?u=qdgrlh"></script>  <script language="javascript" type="text/javascript"> try { document.getElementById("navId" + nav).className = "nli on"; } catch (e) {} </script>  <div id="iu7u9n1ckzs0" class="z_ny_banner"><img src="/Skins/371945/images/nybanner0.jpg" width="100%" ></div>  <div id="iu7u9n1ckzs0" class="pro_detail_main"> <div id="iu7u9n1ckzs0" class="breadNav"> <div id="iu7u9n1ckzs0" class="abtext_tit" style="text-align:left;"><span>PRODUCTS/</span> 產(chǎn)品展示</div> <div id="iu7u9n1ckzs0" class="ny_pos"><a href="/">首頁</a> > <a href="/products.html">產(chǎn)品展示</a> > <a href="/ParentList-1638397.html">揮發(fā)性有機(jī)物監(jiān)測(cè)</a> > <a href="/SonList-2431816.html">真空箱非甲烷總烴采樣器</a> > 非甲烷總烴氣袋法采樣器</div> </div> <div id="iu7u9n1ckzs0" class="prodetail_img"> <div class="iu7u9n1ckzs0" id="preview"> <div id="iu7u9n1ckzs0" class="jqzoom" id="spec-n1"> <link rel="stylesheet" type="text/css" href="/Skins/css/public.css"><a href="javascript:void(0);" onclick="$('.videoItem').show();mybaidu.window.SetPlayer();return false;" class="videoIco"></a><div id="iu7u9n1ckzs0" class="videoItem" ><div id="iu7u9n1ckzs0" class="Warning" style="display:none"><b></b><br>抱歉，由于流量限制，視頻無法播放。</div><a href="javascript:void(0);" onclick="$('.videoItem').hide();mybaidu.window.SetPause(); return false;"></a><script type="text/javascript">var _player=false;</script><iframe name='mybaidu' src="/baidu/player_mtnets2018.htm?url=mda-nh8qamknw3amcpt8&VideoTypeID=0&WorksKeyID=" scrolling='no' height='100%' width='100%' style='border:0px;padding:0px;margin:0px' allowfullscreen='true'></iframe> </div> <div class="iu7u9n1ckzs0" id="ceshi" style=""> <img src="http://img67.chem17.com/gxhpic_59639cd4e1/2d30da6cfd71fe74a53e65e47276bf8a568fcc27c7787660d53c349d44736207b3004d08679dce8a.jpg" jqimg="http://img67.chem17.com/gxhpic_59639cd4e1/2d30da6cfd71fe74a53e65e47276bf8a568fcc27c7787660d53c349d44736207b3004d08679dce8a.jpg" /> </div> </div> <div class="iu7u9n1ckzs0" id="spec-n5">  <div class="iu7u9n1ckzs0" id="spec-list"> <ul class="list-h" > <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img67.chem17.com/gxhpic_59639cd4e1/2d30da6cfd71fe74a53e65e47276bf8a568fcc27c7787660d53c349d44736207b3004d08679dce8a_800_800_5.jpg" alt="" data-zoom-image="http://img67.chem17.com/gxhpic_59639cd4e1/2d30da6cfd71fe74a53e65e47276bf8a568fcc27c7787660d53c349d44736207b3004d08679dce8a_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img70.chem17.com/gxhpic_59639cd4e1/e5b38ea2ac80080e80f05a5328a847b497dc093b3c6b1eb82dde4ff77a7c6cea54a7d3846052bc3b_800_800_5.jpg" alt="" data-zoom-image="http://img70.chem17.com/gxhpic_59639cd4e1/e5b38ea2ac80080e80f05a5328a847b497dc093b3c6b1eb82dde4ff77a7c6cea54a7d3846052bc3b_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img50.chem17.com/gxhpic_59639cd4e1/fa0ff1dd222956ceac5eee119db3bb9019fb8de4c65d8b4426d0348551242d642097bec1aad614f8_800_800_5.jpg" alt="" data-zoom-image="http://img50.chem17.com/gxhpic_59639cd4e1/fa0ff1dd222956ceac5eee119db3bb9019fb8de4c65d8b4426d0348551242d642097bec1aad614f8_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img48.chem17.com/gxhpic_59639cd4e1/93bd4af8f0bcf458016c953f61b8c22d4378389137580ef40837de8e46603e6155744c7789ef4b54_800_800_5.jpg" alt="" data-zoom-image="http://img48.chem17.com/gxhpic_59639cd4e1/93bd4af8f0bcf458016c953f61b8c22d4378389137580ef40837de8e46603e6155744c7789ef4b54_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img71.chem17.com/gxhpic_59639cd4e1/e5b38ea2ac80080e80f05a5328a847b46ede29492321c9084667c459223b027b5345412cc0c8fd9c_800_800_5.jpg" alt="" data-zoom-image="http://img71.chem17.com/gxhpic_59639cd4e1/e5b38ea2ac80080e80f05a5328a847b46ede29492321c9084667c459223b027b5345412cc0c8fd9c_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> </ul> </div>  </div> </div> <script type=text/javascript> $(function(){ $("#ceshi").jqueryzoom({ xzoom:440, yzoom:440, offset:10, position:"right", preload:1, lens:1 }); /*$("#spec-list").jdMarquee({ deriction:"left", step:1, speed:4, delay:10, control:true, _front:"#spec-right", _back:"#spec-left" });*/ $("#spec-list li").bind("mouseover",function(){ var src=$(this).children().children('img').attr("src"); $("#ceshi").css("width", "100%"); $("#ceshi").css("height", "100%"); $("#ceshi").css("position", ""); $("#spec-n1 img").eq(0).attr({ src:src.replace("\/n5\/","\/n1\/"), jqimg:src.replace("\/n5\/","\/n0\/") }); $("#spec-list li p").each(function(){ $(this).css({ "border":"1px solid #ccc" }); }) $(this).children('p').css({ "border":"1px solid #00a9c2" }); }); }) </script> <script type=text/javascript src="/Skins/371945/js/lib.js"></script> <script type=text/javascript src="/Skins/371945/js/zzsc.js"></script> </div> <div id="iu7u9n1ckzs0" class="pro_detail_text"> <h1>非甲烷總烴氣袋法采樣器</h1> <div id="iu7u9n1ckzs0" class="jyms"><p><span>簡(jiǎn)要描述：</span>GR-1211非甲烷總烴氣袋法采樣器通過使用聚氟乙烯（PVF）等氟聚合物薄膜氣袋，采用被動(dòng)采樣方式實(shí)現(xiàn)采集環(huán)境空氣、固定污染源廢氣中非甲烷總烴和TVOCs、臭氣等各種氣體的采樣功能。廣泛應(yīng)用環(huán)保、衛(wèi)生、勞動(dòng)、安檢、軍事、科研、教育等部門用于各種樣氣的采集。</p></div> <ul> <li><img src="/Skins/371945/images/dot.png" /><span>產(chǎn)品廠地：</span>青島市</li> <li><img src="/Skins/371945/images/dot.png" /><span>廠商性質(zhì)：</span>生產(chǎn)廠家</li> <li><img src="/Skins/371945/images/dot.png" /><span>更新時(shí)間：</span>2023-03-14</li> <li><img src="/Skins/371945/images/dot.png" /><span>訪問量：</span>858</li> <div id="iu7u9n1ckzs0" class="clear"></div> </ul> <div id="iu7u9n1ckzs0" class="pro_detail_btn"> <a href="#cpzx" class="prodtl_btn1" rel="nofollow">產(chǎn)品咨詢</a><a onClick="ChatBoxClickGXH()" href="#" target="_self" class="prodtl_btn2" rel="nofollow">在線交流</a> </div> </div> <div id="iu7u9n1ckzs0" class="clear"></div> </div>   <div id="iu7u9n1ckzs0" class="ny_main"> <div id="iu7u9n1ckzs0" class="ny_l"> <div id="iu7u9n1ckzs0" class="n_content_left_t">產(chǎn)品目錄</div> <div id="iu7u9n1ckzs0" class="n_content_left_cnt"> <ul class="left_typeUl left_typeUl_n000" style="display: block;"> <ul class="left_typeUl left_typeUl_t100"> <li id="iu7u9n1ckzs0" class="left_menu1_cur"> <a href="/ParentList-1638397.html" target="_self">揮發(fā)性有機(jī)物監(jiān)測(cè)</a> <ul class="ml_xl"> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2465510.html" target="_self">揮發(fā)性有機(jī)物檢測(cè)儀</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2465508.html" target="_self">手持式PID光離子化檢測(cè)儀</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431835.html" target="_self">樣品加熱保存箱</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431818.html" target="_self">便攜式非甲烷總烴分析儀</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431817.html" target="_self">手持式VOCs檢測(cè)儀</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431816.html" target="_self">真空箱非甲烷總烴采樣器</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431815.html" target="_self">雙路VOCs采樣器</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431814.html" target="_self">廢氣VOCs采樣器</a></li> <li id="iu7u9n1ckzs0" class="left_menu2"><a href="/SonList-2431813.html" target="_self">揮發(fā)性有機(jī)物采樣器</a></li> </ul> </li> <li id="iu7u9n1ckzs0" class="left_menu1_cur"><a href="/products.html" target="_self">查看全部</a></li> </ul> </ul> </div> <div class="iu7u9n1ckzs0" id="xn_c_34_wrap" class="xn_c_34_wrap"> <div id="iu7u9n1ckzs0" class="xn_c_34_topbox"><span id="iu7u9n1ckzs0" class="xn_c_34_t1">相關(guān)文章</span></div> <div id="iu7u9n1ckzs0" class="xn_c_34_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_34_xhbox1 xn_c_34_xhbox"> <div id="iu7u9n1ckzs0" class="xn_c_34_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_34_lbenname"><a href="/Article-3600899.html">簡(jiǎn)述真空箱非甲烷總烴采樣器的常見故障相應(yīng)解決方法</a></div> </div> </div> <div id="iu7u9n1ckzs0" class="xn_c_34_xhbox1 xn_c_34_xhbox"> <div id="iu7u9n1ckzs0" class="xn_c_34_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_34_lbenname"><a href="/Article-3561319.html">推送：一款采樣流量大小可設(shè)置的真空箱非甲烷總烴采樣器</a></div> </div> </div> <div id="iu7u9n1ckzs0" class="clear"></div> </div> </div> </div> <div id="iu7u9n1ckzs0" class="ny_r"> <div id="iu7u9n1ckzs0" class="prodetail_con"> <div id="iu7u9n1ckzs0" class="prodetail_tit">詳細(xì)介紹</div> <div id="iu7u9n1ckzs0" class="pro_xxjs"> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>國(guó)瑞力恒</td><th>產(chǎn)地類別</th><td>國(guó)產(chǎn)</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>環(huán)保</td> <th></th><td></td></tr> </tbody> </table> </section><p><span>1、產(chǎn)品介紹</span></p><p><strong>GR-1211<strong>非甲烷總烴氣袋法采樣器</strong></strong>通過使用聚氟乙烯（PVF）等氟聚合物薄膜氣袋，采用被動(dòng)采樣方式實(shí)現(xiàn)采集環(huán)境空氣、固定污染源廢氣中非甲烷總烴和TVOCs、臭氣等各種氣體的采樣功能。相比傳統(tǒng)的采樣器，本采樣器采用被動(dòng)采樣，樣品不經(jīng)過采樣泵直接進(jìn)入氣袋，對(duì)樣品無污染、損失，采樣效率和質(zhì)量更提高，具有操作簡(jiǎn)單、采樣流量大、密封性能好等優(yōu)點(diǎn)。<span>本采樣器可用環(huán)境空氣、化工園區(qū)等場(chǎng)所TVOCs、非甲烷總烴、臭氣等的采樣，配合全程伴熱取樣管可用于固定污染源揮發(fā)性有機(jī)物的采樣?？晒┉h(huán)保、衛(wèi)生、勞動(dòng)、安檢、軍事、科研、教育等部門使用。</span></p><p>2、工作原理</p><p>HJ732-2014《固定污染源廢氣揮發(fā)性有機(jī)物的采樣氣袋法》</p><p>HJ38-2017《固定污染源廢氣總烴、甲烷和非甲烷總烴的測(cè)定直接進(jìn)樣-氣象色譜質(zhì)譜法》</p><p>HJ604-2017《環(huán)境空氣總烴、甲烷和非甲烷總烴的測(cè)定直接進(jìn)樣-氣象色譜質(zhì)譜法》</p><p>GB/T 14675-93《空氣質(zhì)量惡臭的測(cè)定三點(diǎn)比較臭袋法》</p><p>GB/T 14675-93《空氣質(zhì)量惡臭的測(cè)定三點(diǎn)比較臭袋法》</p><p>3、產(chǎn)品特點(diǎn)</p><p>◆<strong style="white-space: normal;">GR-1211<strong>非甲烷總烴氣袋法采樣器</strong></strong>采用被動(dòng)采樣法，樣氣直接進(jìn)入氣袋，無過程污染；</p><p>◆采用大流量采樣泵，采樣流量采樣速度快，克服負(fù)載能力強(qiáng)；</p><p>◆采樣流量大小可設(shè)置，大采樣流量可大5L/min;</p><p>◆具備采樣管及氣袋自動(dòng)清洗功能,清洗次數(shù)，采樣模式可設(shè)置；</p><p>◆實(shí)時(shí)壓力監(jiān)測(cè)，氣袋采滿自動(dòng)停止采樣；</p><p>◆采樣過程動(dòng)態(tài)圖形顯示，醒目直觀；</p><p>◆可適用于1L～10L規(guī)格的氣袋；</p><p>◆內(nèi)置可充電高能鋰電池，支持長(zhǎng)時(shí)間采樣；</p><p>◆采樣結(jié)束后，真空箱內(nèi)負(fù)壓自動(dòng)泄放，方便上蓋開啟。</p><p>◆寬溫、高亮彩屏顯示；</p><p>◆可實(shí)時(shí)查詢歷史測(cè)量數(shù)據(jù)；</p><p>◆藍(lán)牙打印機(jī)打印采樣數(shù)。</p><p>4、參數(shù)規(guī)格</p><div id="iu7u9n1ckzs0" class="tabledivclass" style="width: 99%; float: left;"><table border="0" cellpadding="0" cellspacing="0" height="107" align="left" style="max-width: 748px;"><colgroup><col width="150" style="width:112.50pt;"/><col width="159" style="width:119.25pt;"/></colgroup><tbody><tr height="18" style="height:13.50pt;" class="firstRow"><td class="et3" height="13" width="127" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">主要參數(shù)</td><td class="et3" width="143" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">參數(shù)范圍</td></tr><tr height="18" style="height:13.50pt;"><td class="et3" height="13" width="128" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">適用氣袋體積</td><td class="et3" width="143" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">（1～8）L</td></tr><tr height="18" style="height:13.50pt;"><td class="et3" height="13" width="129" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">電池持續(xù)工作時(shí)間</td><td class="et3" width="143" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">不低于8h</td></tr><tr height="18" style="height:13.50pt;"><td class="et3" height="13" width="130" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">整機(jī)重量</td><td class="et3" width="143" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">3.5kg</td></tr><tr height="35" style="height:26.25pt;"><td class="et3" height="26" width="131" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">外型尺寸（長(zhǎng)×寬×高）</td><td class="et3" width="143" x:str="" style="border-width: 1px; border-style: solid; border-color: windowtext;">390mm×270mm×270mm</td></tr></tbody></table></div><p><br/></p> </div> <div id="iu7u9n1ckzs0" class="prodetail_tit" id="cpzx">產(chǎn)品咨詢</div> <div id="iu7u9n1ckzs0" class="pro_form"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="iu7u9n1ckzs0" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="非甲烷總烴氣袋法采樣器" placeholder="請(qǐng)輸入產(chǎn)品名稱" /></div> </li> <li> <h4>您的單位：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt12"><input class="textborder" size="42" name="department" id="department" placeholder="請(qǐng)輸入您的單位名稱" /></div> </li> <li> <h4 class="xh">您的姓名：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt1"><input class="textborder" size="16" name="yourname" id="yourname" placeholder="請(qǐng)輸入您的姓名"/></div> </li> <li> <h4 class="xh">聯(lián)系電話：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt1"><input class="textborder" size="30" name="phone" id="phone" placeholder="請(qǐng)輸入您的聯(lián)系電話"/></div> </li> <li> <h4>常用郵箱：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt12"><input class="textborder" size="30" name="email" id="email" placeholder="請(qǐng)輸入您的常用郵箱"/></div> </li> <li> <h4>省份：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt12"><select id="selPvc" class="msg_option"> <option value="0" selected="selected">請(qǐng)選擇您所在的省份</option> <option value="1">安徽</option> <option value="2">北京</option> <option value="3">福建</option> <option value="4">甘肅</option> <option value="5">廣東</option> <option value="6">廣西</option> <option value="7">貴州</option> <option value="8">海南</option> <option value="9">河北</option> <option value="10">河南</option> <option value="11">黑龍江</option> <option value="12">湖北</option> <option value="13">湖南</option> <option value="14">吉林</option> <option value="15">江蘇</option> <option value="16">江西</option> <option value="17">遼寧</option> <option value="18">內(nèi)蒙古</option> <option value="19">寧夏</option> <option value="20">青海</option> <option value="21">山東</option> <option value="22">山西</option> <option value="23">陜西</option> <option value="24">上海</option> <option value="25">四川</option> <option value="26">天津</option> <option value="27">新疆</option> <option value="28">西藏</option> <option value="29">云南</option> <option value="30">浙江</option> <option value="31">重慶</option> <option value="32">香港</option> <option value="33">澳門</option> <option value="34">中國(guó)臺(tái)灣</option> <option value="35">國(guó)外</option> </select></div> </li> <li> <h4>詳細(xì)地址：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt12"><input class="textborder" size="50" name="addr" id="addr" placeholder="請(qǐng)輸入您的詳細(xì)地址"/></div> </li> <li> <h4>補(bǔ)充說明：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt12 msg_ipt0"><textarea class="areatext" style="width:100%;" name="message" rows="8" cols="65" id="message" placeholder="請(qǐng)輸入您的任何要求、意見或建議"></textarea></div> </li> <li> <h4 class="xh">驗(yàn)證碼：</h4> <div id="iu7u9n1ckzs0" class="msg_ipt2"> <div id="iu7u9n1ckzs0" class="c_yzm"> <input class="textborder" size="4" name="Vnum" id="Vnum"/> <a href="javascript:void(0);" class="yzm_img"><img src="/Image.aspx" title="點(diǎn)擊刷新驗(yàn)證碼" onclick="this.src='/image.aspx?'+ Math.random();" width="90" height="34" /></a> </div> <span>請(qǐng)輸入計(jì)算結(jié)果（填寫阿拉伯?dāng)?shù)字），如：三加四=7</span> </div> </li> <li> <h4></h4> <div id="iu7u9n1ckzs0" class="msg_btn"><input type="button" onclick="return Validate();" value="提交" name="ok" class="msg_btn1"/><input type="reset" value="重填" name="no" /></div> </li> </ul> <input name="PvcKey" id="PvcHid" type="hidden" value="" /> </form> </div> </div> </div> <div id="iu7u9n1ckzs0" class="prev_next"> <ul> <li><p>上一產(chǎn)品：<a href="/Products-33694429.html">GR-1210型VOCs吸附管</a></p></li> <li><p>下一產(chǎn)品：<a href="/Products-33710234.html">紫外差分煙氣分析儀</a></p></li> </ul> </div> </div> <div id="iu7u9n1ckzs0" class="clear"></div>  <div id="iu7u9n1ckzs0" class="tjpro"> <div id="iu7u9n1ckzs0" class="tjpro_tit">推薦產(chǎn)品</div> <div id="iu7u9n1ckzs0" class="tjpro_list"> <div id="iu7u9n1ckzs0" class="ly_scroll"> <ul> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-35094477.html"><img src="http://img73.chem17.com/2/20200720/637308490017462665274_284_284_5.jpg" alt="手持式PID光離子化檢測(cè)儀"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-35094477.html">GR3012手持式PID光離子化檢測(cè)儀</a></div> </div> </div></li> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-35598906.html"><img src="http://img77.chem17.com/2/20201219/637439941458241676796_284_284_5.jpg" alt="真空箱非甲烷總烴采樣器"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-35598906.html">GR1211真空箱非甲烷總烴采樣器</a></div> </div> </div></li> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-36979589.html"><img src="http://img61.chem17.com/2/20220528/637893457951503468648_284_284_5.jpg" alt="人防工程空氣質(zhì)量檢測(cè)儀"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-36979589.html">GR-2016人防工程空氣質(zhì)量檢測(cè)儀</a></div> </div> </div></li> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-36832757.html"><img src="http://img77.chem17.com/2/20220321/637834725525131679939_284_284_5.jpg" alt="智能紫外差分煙氣分析儀"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-36832757.html">智能紫外差分煙氣分析儀</a></div> </div> </div></li> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-36938594.html"><img src="http://img51.chem17.com/2/20231122/638362573403645033871_284_284_5.jpg" alt="β射線煙塵測(cè)試儀"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-36938594.html">GR-3100Dβ射線煙塵測(cè)試儀</a></div> </div> </div></li> <li> <div id="iu7u9n1ckzs0" class="xn_c_index_51_nrbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_lftbox"> <a target="_blank" href="/Products-36644289.html"><img src="http://img43.chem17.com/2/20231009/638324429036960303978_284_284_5.jpg" alt="便攜式自動(dòng)煙塵煙氣測(cè)試儀"></a> </div> <div id="iu7u9n1ckzs0" class="xn_c_index_51_ritbox"> <div id="iu7u9n1ckzs0" class="xn_c_index_51_name"><a target="_blank" href="/Products-36644289.html">GR-3100D型便攜式自動(dòng)煙塵煙氣測(cè)試儀</a></div> </div> </div></li> </ul> </div> </div> </div>  </div>    <div class="iu7u9n1ckzs0" id="z_Footer"> <div id="iu7u9n1ckzs0" class="pz_down"> <div id="iu7u9n1ckzs0" class="w_1200"> <div id="iu7u9n1ckzs0" class="footT"> <div id="iu7u9n1ckzs0" class="footAddr"> <div id="iu7u9n1ckzs0" class="footTit">青島國(guó)瑞力恒環(huán)?？萍加邢薰?/div> <div id="iu7u9n1ckzs0" class="dAddr"><img class="ico" src="/Skins/371945/images/icon_foot1.png">地址：青島市高新區(qū)</div>  <div id="iu7u9n1ckzs0" class="dAddr"><img class="ico" src="/Skins/371945/images/icon_foot3.png">郵箱：806981218@qq.com</div> <div id="iu7u9n1ckzs0" class="dAddr"><img class="ico" src="/Skins/371945/images/icon_foot4.png">傳真：</div> </div> <div id="iu7u9n1ckzs0" class="footNav"> <div id="iu7u9n1ckzs0" class="footTit">快速鏈接</div> <div id="iu7u9n1ckzs0" class="dNav"> <ul> <li><a href="/">首頁</a></li> <li><a href="/aboutus.html" rel="nofollow">關(guān)于我們</a></li> <li><a href="/products.html">產(chǎn)品中心</a></li> <li><a href="/news.html">新聞動(dòng)態(tài)</a></li> <li><a href="/article.html">技術(shù)文章</a></li> <li><a href="/order.html" rel="nofollow">在線留言</a></li> <li><a href="/contact.html" rel="nofollow">聯(lián)系我們</a></li> </ul> </div> </div> <div id="iu7u9n1ckzs0" class="footUs"> <div id="iu7u9n1ckzs0" class="footTit" style="text-align:center;">關(guān)注我們</div> <div id="iu7u9n1ckzs0" class="ewm1">歡迎您關(guān)注我們的微信公眾號(hào)了解更多信息：</div> <div id="iu7u9n1ckzs0" class="ewm2"> <div id="iu7u9n1ckzs0" class="img"><img src="/Skins/371945/images/2wm.jpg" width="100%" alt=""></div> <div id="iu7u9n1ckzs0" class="info">歡迎您關(guān)注我們的微信公眾號(hào)<br />了解更多信息</div> </div> </div> </div> </div> <div id="iu7u9n1ckzs0" class="foot_cp"> <div id="iu7u9n1ckzs0" class="footD"> <div id="iu7u9n1ckzs0" class="Copyright">版權(quán)所有 © 2024 青島國(guó)瑞力恒環(huán)?？萍加邢薰? All Rights Reserved <a target="_blank" rel="nofollow">備案號(hào)：</a> 總流量：117049 <a target="_blank" rel="nofollow">管理登陸</A> 技術(shù)支持：<a target="_blank" rel="nofollow">化工儀器網(wǎng)</a> <a href="/sitemap.xml" target="_blank">Sitemap.xml</a></div> </div> </div> </div> </div>   <div id="iu7u9n1ckzs0" class="client-2"> <ul id="client-2">  <li id="iu7u9n1ckzs0" class="my-kefu-liuyan"> <div id="iu7u9n1ckzs0" class="my-kefu-main"> <div id="iu7u9n1ckzs0" class="my-kefu-left"><a onclick="ChatBoxClickGXH()" href="#" target="_self" class="qq_btn"><i></i><p>在線交流</p></a></div> <div id="iu7u9n1ckzs0" class="my-kefu-right"></div> </div> </li> <li id="iu7u9n1ckzs0" class="my-kefu-tel"> <div id="iu7u9n1ckzs0" class="my-kefu-tel-main"> <div id="iu7u9n1ckzs0" class="my-kefu-left"><i></i><p>電話</p></div> <div id="iu7u9n1ckzs0" class="my-kefu-tel-right">0532-84811019</div> </div> </li> <li id="iu7u9n1ckzs0" class="my-kefu-weixin"> <div id="iu7u9n1ckzs0" class="my-kefu-main"> <div id="iu7u9n1ckzs0" class="my-kefu-left"><i></i><p> 微信掃一掃 </p> </div> <div id="iu7u9n1ckzs0" class="my-kefu-right"> </div> <div id="iu7u9n1ckzs0" class="my-kefu-weixin-pic"><img src="/skins/371945/images/2wm.jpg"> </div> </div> </li> <li id="iu7u9n1ckzs0" class="my-kefu-ftop"> <div id="iu7u9n1ckzs0" class="my-kefu-main"> <div id="iu7u9n1ckzs0" class="my-kefu-left"><a href="javascript:;"><i></i><p>返回頂部</p></a> </div> <div id="iu7u9n1ckzs0" class="my-kefu-right"> </div> </div> </li> </ul> </div>  <script type="text/javascript" src="/Skins/371945/js/other.js"></script> <script type="text/javascript" src="/skins/371945/js/pt_js.js"></script> <script type="text/javascript"> //圖片滾動(dòng) 調(diào)用方法 imgscroll({speed: 30,amount: 1,dir: "up"}); $.fn.imgscroll = function(o){ var defaults = { speed: 40, amount: 0, width: 1, dir: "left" }; o = $.extend(defaults, o); return this.each(function(){ var _li = $("li", this); _li.parent().parent().css({overflow: "hidden", position: "relative"}); //div _li.parent().css({margin: "0", padding: "0", overflow: "hidden", position: "relative", "list-style": "none"}); //ul _li.css({position: "relative", overflow: "hidden"}); //li if(o.dir == "left") _li.css({float: "left"}); //初始大小 var _li_size = 0; for(var i=0; i<_li.size(); i++) _li_size += o.dir == "left" ? _li.eq(i).outerWidth(true) : _li.eq(i).outerHeight(true); //循環(huán)所需要的元素 if(o.dir == "left") _li.parent().css({width: (_li_size*3)+"px"}); _li.parent().empty().append(_li.clone()).append(_li.clone()).append(_li.clone()); _li = $("li", this); //滾動(dòng) var _li_scroll = 0; function goto(){ _li_scroll += o.width; if(_li_scroll > _li_size) { _li_scroll = 0; _li.parent().css(o.dir == "left" ? { left : -_li_scroll } : { top : -_li_scroll }); _li_scroll += o.width; } _li.parent().animate(o.dir == "left" ? { left : -_li_scroll } : { top : -_li_scroll }, o.amount); } //開始 var move = setInterval(function(){ goto(); }, o.speed); _li.parent().hover(function(){ clearInterval(move); },function(){ clearInterval(move); move = setInterval(function(){ goto(); }, o.speed); }); }); }; </script> <script type="text/javascript"> $(document).ready(function(){ $(".ly_scroll").imgscroll({ speed: 20, //圖片滾動(dòng)速度 amount: 0, //圖片滾動(dòng)過渡時(shí)間 width: 1, //圖片滾動(dòng)步數(shù) dir: "left" // "left" 或 "up" 向左或向上滾動(dòng) }); }); </script> <script type='text/javascript' src='/js/VideoIfrmeReload.js?v=001'></script> </html> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站，您可能还对以下资源感兴趣：</p> <a href="http:///" title="超碰人人在线">超碰人人在线</a> <div class="friend-links"> <a href="http://m.bawzw.cn/">日比视频</a> <a href="http://m.liyanwang.cn/">不卡中文字幕</a> <a href="http://m.shiua.com.cn/">九九视频网站</a> <a href="http://m.rdefkglv.cn/">亚洲精华液一二三产区</a> <a href="http://m.amrk.com.cn/">另类一区</a> <a href="http://m.bst168.com/"><html> <head><title>502 Bad Gateway