CINXE.COM

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <title>科学网—KTV话筒、红绿灯信号杆等触电致伤、致死的背后 - 丛远新的博文</title> <meta name="keywords" content="学者" /> <meta name="description" content="刚刚看到一则网易新闻：男孩摸红绿灯信号杆触电病危，很是无语，作为一工程技术人员，不能解决问题，只能依靠自己的专业知识敏感地预测类似的事件将不 ... ,科学网" /> <meta name="generator" content="Discuz! X3.3" /> <meta name="author" content="Discuz! Team and Comsenz UI Team" /> <meta name="copyright" content="2001-2017 Comsenz Inc." /> <meta name="MSSmartTagsPreventParsing" content="True" /> <meta http-equiv="MSThemeCompatible" content="Yes" /> <base href="https://blog.sciencenet.cn/" /><link rel="stylesheet" type="text/css" href="data/cache/style_1_common.css?oxX" /><link rel="stylesheet" type="text/css" href="data/cache/style_1_home_space.css?oxX" /><link rel="stylesheet" id="css_extstyle" type="text/css" href="./template/default/style/t1/style.css" /><script type="text/javascript">var STYLEID = '1', STATICURL = 'static/', IMGDIR = 'static/image/common', VERHASH = 'oxX', charset = 'gbk', discuz_uid = '0', cookiepre = 'WUAe_5e15_', cookiedomain = 'sciencenet.cn', cookiepath = '/', showusercard = '1', attackevasive = '0', disallowfloat = 'newthread', creditnotice = '', defaultstyle = './template/default/style/t1', REPORTURL = 'aHR0cDovL2Jsb2cuc2NpZW5jZW5ldC5jbi8vYmxvZy0zMjQ2NzMtNTk0OTA0Lmh0bWw=', SITEURL = 'https://blog.sciencenet.cn/', JSPATH = 'static/js/', CSSPATH = 'data/cache/style_', DYNAMICURL = '';</script> <script src="static/blog/js/jquery-1.8.3.min.js" type="text/javascript"></script> <script src="static/js/common.js?oxX" type="text/javascript"></script> <script src="static/js/home.js?oxX" type="text/javascript"></script> <script type="text/javascript">  </script> <link rel="stylesheet" type="text/css" href="data/cache/style_1_css_space.css?oxX" /> <link id="style_css" rel="stylesheet" type="text/css" href="static/space/t22/style.css?oxX"> <style id="diy_style"></style> </head> <body id="space" onkeydown="if(event.keyCode==27) return false;"> <div id="append_parent"></div> <div id="ajaxwaitid"></div> <div class="topnav cl"> <p class="y navinf"> <a href="member.php?mod=register">注册</a> <span class="pipe">|</span><a href="member.php?mod=logging&action=login" onClick="showWindow('login', this.href);hideWindow('register');">登录</a> </p> <ul class="cl"> <li class="navlogo"><a href="http://blog.sciencenet.cn/blog.php" title="构建全球华人科学博客圈">构建全球华人科学博客圈</a></li>  <li><span id="navs" class="xg1 showmenu" onMouseOver="showMenu(this.id);"><a href="http://www.sciencenet.cn/">返回首页</a></span></li> <li><span id="wbnavs" class="xg1"><a href="http://blog.sciencenet.cn/home.php?mod=follow">微博</a></span></li> <li><span id="navs" class="xg1"><a href="https://blog.sciencenet.cn/rss.php?uid=324673">RSS订阅</a></span></li> <li><span id="navs" class="xg1"><a href="http://blog.sciencenet.cn/misc.php?mod=faq">帮助</a></span></li> </ul> </div> <div id="hd" class="wp cl"> <h2 id="spaceinfoshow">  <strong id="spacename" class="mbn" > 浪尖日月<a class="oshr xs1 xw0" onClick="showWindow(this.id, this.href, 'get', 0);" id="share_space" href="home.php?mod=spacecp&ac=share&type=space&id=324673">分享</a></strong> <a id="domainurl" href="http://blog.sciencenet.cn/u/ljry8044" onClick="javascript:setCopy('http://blog.sciencenet.cn/u/ljry8044', '博客地址复制成功');return false;" class="xs0 xw0">http://blog.sciencenet.cn/u/ljry8044</a> <span id="spacedescription" class="xs1 xw0 mtn" >物理学歪人电气接地学雷人 qq：9792255</span> </h2> <div id="nv"> <ul> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673">博客首页</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=home&view=me&from=space">动态</a></li>    <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=blog&view=me&from=space">博文</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=video&view=view&from=space">视频</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=album&view=me&from=space">相册</a></li>   <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=friend&view=me&from=space">好友</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=wall">留言板</a></li>   </ul> </div> </div> <div class="p_pop h_pop" id="mn_userapp_menu" style="display: none"></div> <ul id="navs_menu" class="p_pop topnav_pop" style="display:none;"> <li id="mn_N59f6" ><a href="http://www.sciencenet.cn/" hidefocus="true" >首页</a></li> <li id="mn_N3b56" ><a href="http://news.sciencenet.cn/" hidefocus="true" >新闻</a></li> <li id="mn_Nd081" ><a href="http://blog.sciencenet.cn/blog.php" hidefocus="true" >博客</a></li> <li id="mn_N968f" ><a href="http://talent.sciencenet.cn/" hidefocus="true" >人才</a></li> <li id="mn_N9d75" ><a href="http://meeting.sciencenet.cn/" hidefocus="true" >会议</a></li> <li id="mn_N1867" ><a href="http://fund.sciencenet.cn/" hidefocus="true" >基金</a></li> <li id="mn_Nec23" ><a href="http://paper.sciencenet.cn/" hidefocus="true" >论文</a></li> <li id="mn_Nc1d1" ><a href="http://video.sciencenet.cn/" hidefocus="true" >视频</a></li> <li id="mn_Nffd8" ><a href="http://paper.sciencenet.cn/AInews" hidefocus="true" >小柯机器人</a></li> <li id="mn_home_13" ><a href="https://blog.sciencenet.cn/home.php?mod=space&do=album" hidefocus="true" title="Album" >相册<span>Album</span></a></li> <li id="mn_N0a2c" ><a href="misc.php?mod=faq" hidefocus="true" title="Help" >帮助<span>Help</span></a></li> </ul> <ul id="wbnavs_menu" class="p_pop topnav_pop" style="display:none;">  <li id="mn_N59g9"><a href="http://weibo.sciencenet.cn/?&act=follower" hidefocus="true">粉丝</a></li> <li id="mn_N59g9"><a href="http://weibo.sciencenet.cn/?&act=comments" hidefocus="true">评论</a></li> <li id="mn_N59g9"><a href="http://weibo.sciencenet.cn/?&act=atme" hidefocus="true">@我</a></li> <li id="mn_N59g9"><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=privacy&op=miniblog" hidefocus="true">提醒</a></li></ul> <ul id="myspace_menu" class="p_pop" style="display:none;"> <li><a href="https://blog.sciencenet.cn/home.php?mod=space">我的博客</a></li> </ul>  <style> em, cite { font-style:italic; } #blog_article span { float: none; } #blog_article th,#blog_article td { border: 1px solid #000; } p { margin: 1.12em 0; } .owner-switch { width: 28px; height: 14px; background-size: cover; display: inline-block; vertical-align: middle; background-image: url(/static/image/blog/owner.png); background-size: auto 14px; } .author-switch { width: 28px; height: 14px; background-size: cover; display: inline-block; vertical-align: middle; background-image: url(/static/image/blog/author.png); } .tips { border:3px solid #ccc; border-radius: 5px; background: rgba(255,255,255,1); font-size: 12px; position: absolute; top:50%; left: -620%; z-index: 99; width:300px; text-align:left; } .reveal{ display: inline-block; font-size: 14px; font-weight:bolder; color: #4e8a50; border-radius: 4px; height: 20px; line-height: 20px; text-align: center; padding: 10px; cursor: pointer; } </style> <link type="text/css" rel="stylesheet" href="/static/blog/css/zan.css"> <link type="text/css" rel="stylesheet" href="/static/blog/css/cai.css"> <script src="/static/js/jquery.lazyload.js" type="text/javascript"></script> <script type="text/javascript"> /* @author:Romey * 动态点赞 * 此效果包含css3，部分浏览器不兼容（如：IE10以下的版本） */ /* $(function(){ $(".praise").click(function(){ var choice = $(this).attr('id').valueOf(); cid = choice.split("_")[1]; //取得评论的cid var praise_img = $("#praise-img_"+cid); var text_box = $("#add-num_"+cid); var praise_txt = $("#praise-txt_"+cid); var num=parseInt(praise_txt.text()); if(praise_img.attr("src") == ("static/blog/images/yizan.png")){ $(this).html("<img src='static/blog/Images/zan.png' id='praise-img_" + cid + "' class='animation' />"); praise_txt.removeClass("hover"); text_box.show().html("<em class='add-animation'>-1</em>"); $(".add-animation").removeClass("hover"); num -=1; praise_txt.text(num) }else{ $(this).html("<img src='static/blog/images/yizan.png' id='praise-img_" + cid + "' class='animation' />"); praise_txt.addClass("hover"); text_box.show().html("<em class='add-animation'>+1</em>"); $(".add-animation").addClass("hover"); num +=1; praise_txt.text(num) } }); }) function getdata(url, id, action){ jQuery.getJSON(url, {type:'zancai', id:id, action:action, random:Math.random()}, function(data){ if(data.success==1){//投票成功 }else{ //$('#praise-txt_'+594904).html(2000).show().css({'opacity':1,'top':'40px'}).animate({top:'-50px',opacity:0},"slow"); } }); } */ function dianzan(cid, blogid) { var tag = 0; var praise_img = jQuery("#praise-img_"+cid); var text_box = jQuery("#add-num_"+cid); var praise_txt = jQuery("#praise-txt_"+cid); var praise_txt_text = isNaN(praise_txt.text()) ? 0 : praise_txt.text(); var num=parseInt(praise_txt_text); if(praise_img.attr("src") == ("static/blog/images/zan.png")){ //取消赞 jQuery.ajax({ type:"GET", url:'misc.php', data:{type:'zancai', id:cid, blogid:blogid, action:'unzan'}, cache:false, dataType:"json", success:function(data){ if(data.success==1){//取消赞 jQuery("#praise_"+cid).html("<img src='static/blog/images/kong.png' id='praise-img_" + cid + "' class='animation' onclick='dianzan("+cid+","+blogid+");' />"); praise_txt.removeClass("hover"); text_box.show().html("<em class='add-animation'>-1</em>"); jQuery(".add-animation").removeClass("hover"); num -=1; praise_txt.text(num); tag = 1; }else if(data.success==0){//需要登录 showWindow('login', 'member.php?mod=logging&action=login'); //$('#praise-txt_'+594904).html(2000).show().css({'opacity':1,'top':'40px'}).animate({top:'-50px',opacity:0},"slow"); }else{ //jQuery("#cuewords").text(data.msg); //jQuery("#disappare").show().delay(2000).fadeOut(); promptmsg(this, cid, data.msg); } } }); }else{ //添加赞 //进行数据库操作 jQuery.ajax({ type:"GET", url:'misc.php', data:{type:'zancai', id:cid, blogid:blogid, action:'zan'}, cache:false, dataType:"json", success:function(data){ if(data.success==1){//取消赞 jQuery("#praise_"+cid).html("<img src='static/blog/images/zan.png' id='praise-img_" + cid + "' class='animation' onclick='dianzan("+cid+","+blogid+");' />"); praise_txt.addClass("hover"); text_box.show().html("<em class='add-animation'>+1</em>"); jQuery(".add-animation").addClass("hover"); num +=1; praise_txt.text(num); }else if(data.success==0){//需要登录 showWindow('login', 'member.php?mod=logging&action=login'); //$('#praise-txt_'+594904).html(2000).show().css({'opacity':1,'top':'40px'}).animate({top:'-50px',opacity:0},"slow"); }else{ //jQuery("#cuewords").text(data.msg); //jQuery("#disappare").show().delay(2000).fadeOut(); var msg = data.msg; if(data.msg == 'upgrade') { msg = '请进行实名认证审核，并<b><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=profile&op=upgrade">升级为博主用户</a></b>，方可进行此操作'; } promptmsg(this, cid, msg); } } }); } } function diancai(cid, blogid) { var tag = 0; var praise_img = jQuery("#praise2-img_"+cid); var text_box = jQuery("#add2-num_"+cid); var praise_txt = jQuery("#praise2-txt_"+cid); var praise_txt_text = isNaN(praise_txt.text()) ? 0 : praise_txt.text(); var num=parseInt(praise_txt_text); if(praise_img.attr("src") == ("static/blog/images/cai.png")){ //取消踩 jQuery.getJSON("misc.php?randID="+escape(new Date()), {type:'zancai', id:cid, blogid:blogid, action:'uncai', random:Math.random()}, function(data) { if(data.success==1){//取消赞 jQuery("#praise2_"+cid).html("<img src='static/blog/images/kong2.png' id='praise2-img_" + cid + "' class='animation' onclick='diancai("+cid+","+blogid+");' />"); praise_txt.removeClass("hover"); text_box.show().html("<em class='add-animation'>-1</em>"); jQuery(".add-animation").removeClass("hover"); num -=1; praise_txt.text(num); }else if(data.success==0){//需要登录 showWindow('login', 'member.php?mod=logging&action=login'); //$('#praise-txt_'+594904).html(2000).show().css({'opacity':1,'top':'40px'}).animate({top:'-50px',opacity:0},"slow"); }else{ //jQuery("#cuewords").text(data.msg); //jQuery("#disappare").show().delay(2000).fadeOut(); promptmsg(this, cid, data.msg); } }); }else{ //添加踩 jQuery.getJSON("misc.php?randID="+escape(new Date()), {type:'zancai', id:cid, blogid:blogid, action:'cai', random:Math.random()}, function(data) { if(data.success==1){//点踩 jQuery("#praise2_"+cid).html("<img src='static/blog/images/cai.png' id='praise2-img_" + cid + "' class='animation' onclick='diancai("+cid+","+blogid+");' />"); praise_txt.addClass("hover"); text_box.show().html("<em class='add-animation'>+1</em>"); jQuery(".add-animation").addClass("hover"); num +=1; praise_txt.text(num); }else if(data.success==0){//需要登录 showWindow('login', 'member.php?mod=logging&action=login'); //$('#praise-txt_'+594904).html(2000).show().css({'opacity':1,'top':'40px'}).animate({top:'-50px',opacity:0},"slow"); }else{ //jQuery("#cuewords").text(data.msg); //jQuery("#disappare").show().delay(2000).fadeOut(); promptmsg(this, cid, data.msg); } }); } } var promptmsg = function(e,cid,msg) { var doc = jQuery("#praise_"+cid); tips = jQuery('<div id="tips" class="tips"></div>'); doc.append(tips); var pageX = e.pageX, pageY = e.pageY; tips.html(msg).css({ top: pageY, left: pageX }).show().delay(5000).fadeOut(); } function dianzanuser(cid, uid) { //查询点赞者 var str = '<div style="padding:4px;">点赞人：'; jQuery.ajax({ type:"GET", url:'misc.php', data:{type:'dianusers', id:cid, uid:uid}, cache:false, dataType:"json", success:function(data){ if(data.success==1){ str += data.msg; str += '</div>'; promptmsg(this, cid, str); }else{ //jQuery("#cuewords").text(data.msg); //jQuery("#disappare").show().delay(2000).fadeOut(); } } }); } function showall(obj) { var cid = jQuery(obj).attr('rel'); jQuery("#showreplay_"+cid).animate({height: 'toggle', opacity: 'toggle'}, "slow"); jQuery(obj).hide(); jQuery("#showreplay_"+cid).append('<a class="reveal" id="hidereplay_'+cid+'" onclick="packup('+cid+');">收起</a>'); } function packup(cid) { jQuery("#showreplay_"+cid).hide(); jQuery("#lookover_"+cid).show(); jQuery("#hidereplay_"+cid).remove(); } jQuery(document).ready( function($){ $("img").lazyload({ placeholder : "/static/js/grey.gif", effect : "fadeIn", threshold : 200 }); }); </script> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm"> <div class="bm_h cl"> <h1 class="mt"><span class="z">博文</span> </h1> </div> <div class="bm_c"> <div class="vw mbm"> <div class="h pbm"> <h1 class="ph"> KTV话筒、红绿灯信号杆等触电致伤、致死的背后 <a href="https://blog.sciencenet.cn/blog.php?mod=recommend"><img src="./static/image/blog/recommendico.gif" width="22px" height="22px" /><font style="font-size:14px; color:#930;" face="宋体">精选</font></a> </h1> <p class="xg2"> <span class="xg1">已有 12562 次阅读</span> <span class="xg1">2012-7-23 12:32</span> <span class="pipe">|</span><span class="xg1">个人分类:<a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=blog&classid=119508&view=me">电气接地</a></span><span class="pipe">|</span><span class="xg1">系统分类:<a href="https://blog.sciencenet.cn/home.php?mod=space&do=blog&view=all&uid=324673&catid=7">科普集锦</a></span><span class="pipe">|</span> <span class="ptg xg1">接地, 红绿灯, 话筒, 触电</span> </p> </div> <div id="blog_article" class="d cl" ><font size="4">刚刚看到一则网易新闻：<a href="http://news.163.com/12/0723/02/872JBS9M00014AED.html" target="_blank" target="_blank">男孩摸红绿灯信号杆触电病危</a>，很是无语，作为一工程技术人员，不能解决问题，只能依靠自己的专业知识敏感地预测类似的事件将不断发生，再无比之更悲剧的事情了。<br>类似的有：<span style="mso-ansi-language: EN-GB" lang="EN-GB"><br>2012</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">年</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">5</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">月</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">,</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">南宁一女大学生</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">KTV</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">唱歌时</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">,</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">因话筒漏电而触电身亡</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">;</span></font> <p class="a" style="margin-left:3.0pt"><font size="4"><span style="mso-ansi-language: EN-GB" lang="EN-GB">2012</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">年</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">1</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">月，三亚一</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">14</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">岁的中学生</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">KTV</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">唱歌时，同样手握麦克风触电身亡；</span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></font></p><font size="4"> ……<br>至于电热水器洗澡触电事故更是屡见不鲜，<span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">输入“电热水器触电身亡”进行百度搜索，可瞬间显现出</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">46900</span><span style="font-family: 宋体;">条信息，那么多鲜活的生命一下子就消失了，令人扼腕，其实，合格的接地可以从很大程度上降低触电致伤、致死风险。只是接地不合格为目前普遍现象，一个典型的数据就是：</span><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"=""><br><b>《</b></span><b><span style="mso-ansi-language:EN-GB" lang="EN-GB">2005</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-ansi-language:en-gb"="">年中国家庭用电环境调查报告》显示，在全国</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">20</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">多个城市</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">2386</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">户被调查家庭中，</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">1267</span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">户家庭无接地线或接地不可靠，占被调查总数的</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">53%</span><span style="font-family:宋体; mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">（如果算上农村，那就远不止</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">53%</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">这个比率了）。</span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span><br> <font color="#F00000">此病危男孩触摸的红绿灯信号杆接地显然不合格，工作人员发现，在红灯转换绿灯的瞬间，信号灯杆身的电压变成了115伏。而合格的接地则会将其钳制在50V以内，人身安全系数将会得到极大的提高。 </font></b><br><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt; font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;="" mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">一般的，低压（</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-US">380V/220V</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">）系统配电的接地型式一般分为</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-US">TN</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">、</span><span style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:="" 宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="" lang="EN-US">TT</span><span style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;="" mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">、</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-US">IT</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">等三种，而</span><span style="font-size: 10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:="" 宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="" lang="EN-US">TN</span><span style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;="" mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">系统又分为</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-US">TN-C</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">、</span><span style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:="" 宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="" lang="EN-US">TN-S</span><span style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;="" mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">、</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-US">TN-C-S</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">三种，下面就最基础的TT型式展开讨论。</span><br></font> <p class="a" style="margin-left: 3pt;"><font size="4"><span lang="EN-US">TT</span><span style="font-family: 宋体;">系统有一个直接接地点，电气装置的外露导电部分应接至独立于电源系统接地的接地极上，参见如下示意图：</span></font></p><p class="a" style="margin-left: 3pt;"><img src="http://image.sciencenet.cn/album/201207/23/1232276g038krsnhx6qksq.jpg"><br><span style="font-family: 宋体;"></span></p><p class="a" style="margin-left:3.0pt"><br> </p><p class="a" style="margin-left: 3pt;"><span style="font-family: 宋体;" times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">一旦外漏导电部分因故障带电，人体触及后，良好的接地装置可大大减少通过人体的电流，降低触电的危害。</span></p><p class="a" style="margin-left:3.0pt"><img src="http://image.sciencenet.cn/album/201207/23/1232282mvg17t48qt8szs8.jpg"><br><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"=""></span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></p> <p class="a" style="margin-left: 3pt;"><span style="font-family: 宋体;" times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">    由上图可知，若无接地保护，则电气设备因绝缘损坏等事故而致使外漏导电部分带电（<font color="#F00000"><b>譬如文中提及的KTV话筒、路灯、红绿灯金属杆</b></font>）时，其上将长期存在电压</span><span style="font-family: 宋体;">（<b><font color="#F00000">事实上，此次危及小男孩的红绿灯金属杆之前已经多次电击过行人</font></b>）</span><span style="font-family: 宋体;" times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">，一旦有人员触及，电流将会流经人体。其值为：</span></p><p class="a" style="margin-left:3.0pt"><img src="http://image.sciencenet.cn/album/201207/23/123228gzyy3bn5gm43g4zg.jpg"><br><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"=""></span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></p> <font size="4"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">式中，</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">U</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-ansi-language:en-gb"="">为电源电压，一般为</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">220V</span><span style="font-family:宋体; mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">；</span><span style="mso-ansi-language: EN-GB" lang="EN-GB">R<sub>0</sub></span><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">为电源中性点的工作接地电阻，一般为</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">4</span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-ansi-language:en-gb"="">欧；</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">R<sub>b</sub></span><span style="font-family: 宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"="">为人体以及人脚与地面间的接触电阻，一般为</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">1500</span></font><span style="font-family: 宋体;"><font size="4">欧，代入可计算得流经人体电流为</font><br></span><img src="http://image.sciencenet.cn/album/201207/23/211604kgg9qoo98o4l0m0n.jpg"><br><p class="a" style="margin-left: 3pt;"><br> </p><p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman""="">几近电源电压，严重危及人体安全。</span><span lang="EN-US"></span></p> <p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman""="">如有接地保护，其接地电阻为</span><span lang="EN-US">Rd</span><span style="font-family: 宋体;">，参见如下示意图，</span></p><p class="MsoNormal"><img src="http://image.sciencenet.cn/album/201207/23/1246172elxuuj44ll48uq8.jpg"></p><p class="MsoNormal"><span style="font-family: 宋体;"><br></span></p><p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman""="">简化示意图如下：<br></span></p> <p class="a" style="margin-left: 3pt;"><img src="http://image.sciencenet.cn/album/201207/23/123228qaa38z22a28i8i2a.jpg"></p><p class="a" style="margin-left:3.0pt"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">安全系数将会得到大大提高。</span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></p> <p class="a" style="margin-left:3.0pt"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">事实上，</span><span style="mso-ansi-language:EN-GB" lang="EN-GB">GB 50065-2011 </span><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">《交流电气装置的接地设计规范》要求：</span><span style="color:red;mso-ansi-language:EN-GB" lang="EN-GB"></span></p> <p class="a" style="margin-left:3.0pt;text-indent:24.1pt"><font color="#F00000" size="4"><b style="mso-bidi-font-weight: normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">TT </span></b></font><font size="4"><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"=""><font color="#F00000">系统中电气装置外露可导电部分应设保护接地的接地装置</font>，其接地电阻与外露可导电部分的保护导体电阻之和，应符合下式的要求：</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language: EN-GB" lang="EN-GB"></span></b></font></p> <p class="a" style="margin-left:3.0pt;text-align:center;text-indent: 24.1pt" align="center"><font size="4"><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">R<sub>A</sub></span></b><b style="mso-bidi-font-weight: normal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">≤</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB"> <span lang="EN-GB">50/I<sub>a</sub> <span style="mso-spacerun:yes">                     </span></span></span></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">（</span></b><b style="mso-bidi-font-weight: normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">7.2.7</span></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">）</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></b></font></p> <p class="a" style="margin-left:3.0pt;text-indent:24.1pt"><font size="4"><b style="mso-bidi-font-weight: normal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">式中：</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB"> <span lang="EN-GB">R<sub>A</sub>——</span></span></b><b style="mso-bidi-font-weight: normal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">季节变化时接地装置的最大接地电阻与外露可导电部分的保护导体电阻之和（</span></b><a name="OLE_LINK114"><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">Ω</span></b></a><span style="mso-bookmark:OLE_LINK114"></span><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">）；</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></b></font></p> <p class="a" style="margin-left:3.0pt;text-indent:24.1pt"><font size="4"><b style="mso-bidi-font-weight: normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">I<sub>a</sub>——</span></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">保护电器自动动作的动作电流，当保护电器为剩余电流保护时，</span></b><b style="mso-bidi-font-weight: normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">I<sub>a</sub> </span></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">为额定剩余电流动作电流</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">I</span></b><b style="mso-bidi-font-weight: normal"><sub><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"="">△</span></sub></b><b style="mso-bidi-font-weight:normal"><sub><span style="mso-ansi-language: EN-GB" lang="EN-GB">n</span></sub></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-ansi-language:en-gb"="">，（</span></b><b style="mso-bidi-font-weight: normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">A</span></b><b style="mso-bidi-font-weight:normal"><span style="font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-ansi-language:="" en-gb"="">）。</span></b><b style="mso-bidi-font-weight:normal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span></b></font></p><font size="4">     <b><font color="#F00000"><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体; mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:="" en-gb;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">换而言之，</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"="">符合</span><span style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:="" 宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="" lang="EN-US">GB 50065-2011</span><span style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-bidi-font-family:"times="" mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="">规范的</span><span style="font-size:10.5pt; mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:="" 宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-gb;mso-fareast-language:zh-cn;="" mso-bidi-language:ar-sa"="" lang="EN-GB">TT</span><span style="font-size:10.5pt;mso-bidi-font-size: 12.0pt;font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman";mso-bidi-font-family:"times="" roman";mso-font-kerning:1.0pt;="" mso-ansi-language:en-gb;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="">接地系统可以将故障时设备外漏导电部分的对地电位钳制在</span><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-gb;="" mso-fareast-language:zh-cn;mso-bidi-language:ar-sa"="" lang="EN-GB">50V</span></font><span style="font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family: " times="" new="" roman";mso-hansi-font-family:"times="" roman";mso-bidi-font-family:="" "times="" roman";mso-font-kerning:1.0pt;mso-ansi-language:en-gb;mso-fareast-language:="" zh-cn;mso-bidi-language:ar-sa"=""><font color="#F00000">以下，极大地降低了触电风险，而此次导致男孩触电的漏电部分对地电位为115V。</font>    </span></b><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";="" mso-hansi-font-family:"times="" roman";mso-ansi-language:en-gb"=""><br>    <font color="#F00000"> <font color="#000000"><b>请注意，故障是永恒的，谁也无法绝对避免电气故障的发生，必须依靠可靠的接地消减其故障电流，否则，各种意想不到的</b></font></font></span><font color="#000000"><b><span style="font-family:宋体;mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:="" "times="" roman""="">危害就很有可能发生。而且根据著名的墨菲定律：“如果危害有可能发生，不管这种可能性多么小，它总会发生，并引起最大可能的损失。”譬如文中所提及的各种触电事故因此而生。</span> </b></font></font><br>       目前，对这种隐蔽的地下接地工程，只有变电站能严格确保质量（因接地不合格导致的损失常常高达数千万元，所以不得不重视），其它则逊色得多。鉴于此，<b><font color="#F00000">我们应注意避免触及各种电气设备金属部件，除非能确保电气设备绝对不出故障。</font></b><br><span style="font-family:宋体; mso-ascii-font-family:" times="" new="" roman";mso-hansi-font-family:"times="" roman";="" mso-ansi-language:en-gb"=""></span><span style="mso-ansi-language:EN-GB" lang="EN-GB"></span> <br><div class="uchome-message-pic"><br></div> <br /><br /> <label style="font-size:13px; color:#850f0f">转载本文请联系原作者获取授权，同时请注明本文来自丛远新科学网博客。<br />链接地址：</label><a href="https://blog.sciencenet.cn/blog-324673-594904.html" target="_blank" style="font-size:13px; color:#850f0f">https://blog.sciencenet.cn/blog-324673-594904.html </a> <br /><br />上一篇：<a href='blog-324673-580605.html' target='_black'>鹰落平湖遭鹅欺，满肚委屈获人怜</a><br />下一篇：<a href='blog-324673-595185.html' target='_black'>电工疏忽与躺着中枪的意外致命事故</a>  </div> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr></tr> </table> <script type="text/javascript"> function errorhandle_clickhandle(message, values) { if(values['id']) { showCreditPrompt(); show_click(values['idtype'], values['id'], values['clickid']); } } </script> </div> <div class="o cl">   <div id="shareblog"></div>  <a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=favorite&type=blog&id=594904&spaceuid=324673&handlekey=favoritebloghk_594904" id="a_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" class="oshr ofav">收藏</a>  IP: 110.178.222.*<span class="pipe">|</span> <a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=blog&blogid=594904&op=edithot&handlekey=bloghothk_594904" id="blog_hot_594904" onclick="showWindow(this.id, this.href, 'get', 0);">热度</a><span class="pipe">|</span>  </div> </div> <div class="ct_vw cl">  <div> <div id="div_main_content" class="mbm">  <h4 class="bbs pbn"> <span><label>当前推荐数：</label><font color="#FF0000" id="recommendcount">54</font> <label style="margin-left:10px;" id="recommendtag">推荐人：</label> <span id="recommendbody"> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=111635" style="margin-right:5px; color:#360" title="boxcar">吕喆</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=270990" style="margin-right:5px; color:#360" title="mullergw">郭桅</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=609193" style="margin-right:5px; color:#360" title="dawnshower">陈沐</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=112358" style="margin-right:5px; color:#360" title="caxinra">盖鑫磊</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=451666" style="margin-right:5px; color:#360" title="lhj701">罗汉江</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=43310" style="margin-right:5px; color:#360" title="mqjiang">蒋敏强</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=1557" style="margin-right:5px; color:#360" title="Wuyishan">武夷山</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=62212" style="margin-right:5px; color:#360" title="sundongke">孙东科</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=39446" style="margin-right:5px; color:#360" title="liangjin">梁进</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=647324" style="margin-right:5px; color:#360" title="wlgnemo">魏龙刚</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=641754" style="margin-right:5px; color:#360" title="lxqbetter">刘雪强</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=473549" style="margin-right:5px; color:#360" title="hthust">韩涛</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=254303" style="margin-right:5px; color:#360" title="lixuekuan">李学宽</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=278905" style="margin-right:5px; color:#360" title="BaoHaifei">鲍海飞</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=453771" style="margin-right:5px; color:#360" title="zwresearch">周炜</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=314133" style="margin-right:5px; color:#360" title="z09shiyu">张彦虎</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=712666" style="margin-right:5px; color:#360" title="chenxiqinglin">王慧</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=602248" style="margin-right:5px; color:#360" title="runrun">陈小润</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=28096" style="margin-right:5px; color:#360" title="飞跃骑士">毛飞跃</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=453185" style="margin-right:5px; color:#360" title="zengxinlin">曾新林</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=504644" style="margin-right:5px; color:#360" title="archmageyht">余海涛</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=39040" style="margin-right:5px; color:#360" title="Hongbolu">吕洪波</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=287179" style="margin-right:5px; color:#360" title="tangchangjie">唐常杰</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=303458" style="margin-right:5px; color:#360" title="yuncai">王云才</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=111055" style="margin-right:5px; color:#360" title="suguang">窦苏广</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=222382" style="margin-right:5px; color:#360" title="xusuowen">徐索文</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=200056" style="margin-right:5px; color:#360" title="yuewenzhu">金小伟</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=571917" style="margin-right:5px; color:#360" title="zhangjunpeng">张俊鹏</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=279992" style="margin-right:5px; color:#360" title="yonglie">李泳</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=68790" style="margin-right:5px; color:#360" title="phd9992000">逄焕东</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=89075" style="margin-right:5px; color:#360" title="huangfuqiang">黄富强</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=638044" style="margin-right:5px; color:#360" title="superyanghua">路新华</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=332915" style="margin-right:5px; color:#360" title="mystery1986">常虎成</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=583452" style="margin-right:5px; color:#360" title="hufy">胡方云</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=318031" style="margin-right:5px; color:#360" title="nanfeia">程南飞</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=45556" style="margin-right:5px; color:#360" title="sheep021">王号</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=112920" style="margin-right:5px; color:#360" title="hyhuo">黄育和</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=216720" style="margin-right:5px; color:#360" title="tianyizhang6">张天翼</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=643750" style="margin-right:5px; color:#360" title="hebtuba">金勇</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=295687" style="margin-right:5px; color:#360" title="houxp">侯雄坡</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=107667" style="margin-right:5px; color:#360" title="zlyang">杨正瓴</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=627086" style="margin-right:5px; color:#360" title="BlueAdagio">杨晓虹</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=380589" style="margin-right:5px; color:#360" title="paulings">李宇斌</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=667517" style="margin-right:5px; color:#360" title="zhanghuatian">zhanghuatian</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=87072" style="margin-right:5px; color:#360" title="uneyecat">uneyecat</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=684125" style="margin-right:5px; color:#360" title="yxh3161">yxh3161</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=357613" style="margin-right:5px; color:#360" title="luyouwen">luyouwen</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=365357" style="margin-right:5px; color:#360" title="yhyffrshuh">yhyffrshuh</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=504927" style="margin-right:5px; color:#360" title="zdzszl">zdzszl</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=258067" style="margin-right:5px; color:#360" title="mntlh">mntlh</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=271395" style="margin-right:5px; color:#360" title="bridgeneer">bridgeneer</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=703682" style="margin-right:5px; color:#360" title="sdqlucky">sdqlucky</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=252898" style="margin-right:5px; color:#360" title="liuzhan001st">liuzhan001st</a> <a href="https://blog.sciencenet.cn/home.php?mod=space&uid=372484" style="margin-right:5px; color:#360" title="hugege">hugege</a> </span> </span> </h4> <div style="margin-bottom:20px;"> <p class="pns"> <button onclick="showWindow('login', 'member.php?mod=logging&action=login');hideWindow('register');"> 推荐到博客首页</button> </p> </div>  <h3 class="ptn pbn bbs"> <a onclick="showWindow('login', this.href);hideWindow('register');" href="member.php?mod=logging&action=login" class="y xi2 xw0">该博文允许注册用户评论 请点击登录</a> 评论 (<span id="comment_replynum">29</span> 个评论) </h3> <div id="comment_ul" class="xld xlda">  <a name="firstcomment"> </a> <div id="discusscontent" name="discusscontent" >数据加载中...</div> <div id="comment" style="text-align:right"> <a href="javascript:;" onclick="scrollTo(0,0);">返回顶部</a> </div> </div> </div> <style type="text/css"> .bancomment { background-color: #EEE; padding-right: 30px; font-size: 12px; line-height:25px; padding: 3px 0; border-radius: 8px; color: #aaa; text-align: center; cursor: default; } </style> <div class="bancomment hidden-xs"><span id="banreplay" value="1">博文发布时间已经超过87600小时，评论已关闭。</span></div> <script type="text/javascript"> function addFriendCall(){ var el = $('friendinput'); if(!el || el.value == "") return; var s = '<input type="checkbox" name="fusername[]" class="pc" value="'+el.value+'" id="'+el.value+'" checked="checked">'; s += ' <label for="'+el.value+'">'+el.value+'</label>'; s += '<br />'; $('friends').innerHTML += s; el.value = ''; } resizeImg('div_main_content','450'); var elems = selector('dd[class~=magicflicker]'); for(var i=0; i<elems.length; i++){ magicColor(elems[i]); } </script> <script type="text/javascript"> /* 方法一 function commentcontent(url) { var x = new Ajax('HTML', 'statusid'); x.get(url+'&inajax=1', function(s) { if(s.length>0) { $('discusscontent').innerHTML = s; } else $('discusscontent').innerHTML = '没有评论'; }); } window.onload = commentcontent('comment.php?mod=space&uid=324673&do=blog&id=594904'); */ function commentcontent(uid, id) { //alert(uid); var formDara = "uid=" + uid + "&id=" + id; if(window.XMLHttpRequest) { var xmlReq = new XMLHttpRequest(); } else if(window.ActiveXObject) { var xmlReq = new ActiveXObject('Microsoft.XMLHTTP'); } xmlReq.onreadystatechange = function(){ //alert(xmlReq.readyState); if(xmlReq.readyState == 4) { if(xmlReq.responseText != '0') { //防止用户复制评论产生相同的discusscontent（id） var arrs = document.getElementsByName("discusscontent"); if(arrs.length==1) { document.getElementById('discusscontent').innerHTML = xmlReq.responseText; } else { arrs[arrs.length-1].innerHTML = xmlReq.responseText; } } else { return false; } } } xmlReq.open("post", "comment.php?mod=space&do=blog", false);//将true改为false xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlReq.send(formDara); return false; } //window.onload = commentcontent(324673, 594904); //window.onload=function(){commentcontent(324673, 594904);} function viewpage(p, id) { var formData = "page="+p; //p:翻页页码; id:博文id if(window.XMLHttpRequest) { var xmlReq = new XMLHttpRequest(); } else if(window.ActiveXObject) { var xmlReq = new ActiveXObject('Microsoft.XMLHTTP'); } //comment.php?mod=space&uid=324673&do=blog&id=594904 //var formId = "id=414264"; //var formMod = "mod=space"; //var formUid = "uid=40247"; //var formDo = "do=blog"; xmlReq.onreadystatechange = function(){ if(xmlReq.readyState == 4) { document.getElementById('discusscontent').innerHTML = xmlReq.responseText; //location.href = location.href + "#firstcomment"; window.location.hash = firstcomment; } } xmlReq.open("post", "comment.php?id="+id, true); xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlReq.send(formData); //xmlReq.send(formId); //xmlReq.send(formMod); //xmlReq.send(formUid); //xmlReq.send(formDo); return false; } function pagegoto(id, pages) { var gopagenum = document.getElementById('skiptopage').value; if(pages == '') { return false; } if(gopagenum == '') { alert('请先输入您想转到的页码再进行跳转'); return false; } if(!isNaN(gopagenum)) { gopagenum = parseInt(gopagenum); if(gopagenum < 1) { gopagenum = 1; } if(gopagenum > pages) { gopagenum = pages; } viewpage(gopagenum, id); } else { alert('请输入数字，进行跳转'); } } commentcontent(324673, 594904); function banreply(){ var banvalue = document.getElementById('banreplay').value; if(banvalue) { alert('该博文已超过48小时，暂停评论'); return false; } else return true; } jQuery(document).ready( function($){ if(!$("#banreplay").val()) $(".bancomment").hide(); //回复按钮只允许点击一次 $("#commentsubmit_btn").one("click",function(){ $(this).attr("disabled","disabled"); $(this).html('提交中'); $("#quickcommentform_594904").submit(); }); //改写推荐到首页功能 $("#return_qcrecommend_594904").bind('DOMNodeInserted', function(e) { var html = $(e.target).html(); var SCRIPT_REGEX = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi; var text = html.replace(SCRIPT_REGEX, ""); //正则替换为空 var arr = text.split('@'); if(arr[0] == '推荐成功') { //推荐成功提示 var num = parseInt($("#recommendcount").text()); $("#return_qcrecommend_594904").text(arr[0]); //推荐数加1 $("#recommendcount").text(num+1); //推荐人显示 if($("#recommendcount").text()=='') { $("#recommendtag").html("推荐人"); $("#recommendbody").html(arr[1]); } else { $("#recommendbody").append(arr[1]); } } }); //渲染分享代码 $("#shareblog").html('<div style="text-align:left;float:left" class="bshare-custom"><div class="bsPromo bsPromo2"></div><a href="javascript:void(0);" class="bshare-weixin" title="分享到微信"></a><a href="javascript:void(0);" class="bshare-qqxiaoyou" title="分享到朋友网"></a><a class="bshare-qzone" title="分享到QQ空间"></a><a class="bshare-sinaminiblog" title="分享到新浪微博"></a><a class="bshare-qqmb" title="分享到腾讯微博"></a><a class="bshare-more bshare-more-icon more-style-addthis" title="更多平台"></a></div>'); /* jquery写法 var comment_cid = window.location.hash; var commentcid = comment_cid.slice(1); if(commentcid) { jQuery("#"+commentcid).parent().animate({height: 'toggle', opacity: 'toggle'}, "fast"); jQuery("#"+commentcid).parent().prev().hide(); } */ //window.onload = function(){ //js写法 //找到锚点 var comment_cid = window.location.hash.toString(); var commentcid = comment_cid.slice(1).toString(); var theNode = document.getElementById(commentcid); if(theNode.hasChildNodes()) { if(theNode.childNodes.length==1) { //alert(theNode.firstChild.nodeType); theNode.style.backgroundColor = "#E6E6B8"; theNode.previousElementSibling.style.marginBottom = "0px"; theNode.previousElementSibling.style.backgroundColor = "#E6E6B8"; theNode.previousElementSibling.previousElementSibling.style.backgroundColor = "#E6E6B8"; window.scrollTo(0, theNode.offsetTop+100); return false; } //获取第一个子节点 var first=theNode.children[0]; first.style.backgroundColor = "#E6E6B8"; //获取父节点元素 var prent = theNode.parentNode; prent.style.display = 'block'; //前一个元素节点 var pre = prent.previousElementSibling; pre.style.display = 'none'; } //} }); </script> </div> </div> </div> </div> </div> <div class="sd"><div> <div id="pcd" class="bm cl"> <div class="hm"> <p><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673"><img src="https://image-attachment.oss-cn-beijing.aliyuncs.com/data/www/html/uc_server/data/avatar/000/32/46/73_avatar_middle.jpg?v=" onerror="this.onerror=null;this.src='https://bbs.sciencenet.cn/uc_server/images/noavatar_middle.gif?v='" /></a></p> <h2 class="xs2"><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673">丛远新</a></h2> </div> <ul class="xl xl2 cl ul_list"> <li class="ul_add"><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=friend&op=add&uid=324673&handlekey=addfriendhk_324673" id="a_friend_li_324673" onclick="showWindow(this.id, this.href, 'get', 0);">加为好友</a></li> <li class="ul_contect"><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=wall">给我留言</a></li> <li class="ul_poke"><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=poke&op=send&uid=324673&handlekey=propokehk_324673" id="a_poke_324673" onclick="showWindow(this.id, this.href, 'get', 0);">打个招呼</a></li> <li class="ul_pm"><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=pm&op=showmsg&handlekey=showmsg_324673&touid=324673&pmid=0&daterange=2" id="a_sendpm_324673" onclick="showWindow('showMsgBox', this.href, 'get', 0)">发送消息</a></li> </ul> </div> </div> </div> <div class="sd" style="margin-top:1px;"> <div id="pcd" class="bm cl" style="padding-top:0px"> <div style="width:170px; margin:0 auto;text-align:center;"> <script src="/static/js/qrcode.min.js" type="text/javascript"></script> 扫一扫，分享此博文<br> <div id="qrcodeb" style="text-align:center"></div> <script> var qrcode = new QRCode('qrcodeb', { text: 'http://wap.sciencenet.cn/blog-324673-594904.html?mobile=1', width: 170, height: 170, colorDark : '#000000', colorLight : '#ffffff', correctLevel : QRCode.CorrectLevel.H }); </script> </div> <div style="width:170px">  <div class="mbm cl"> <h2 class="mbm ptn pbn bbs"><span class="xs1 xw0 y"><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=blog&view=me&handpick =1">全部</a></span>作者的精选博文</h2> <ul class="xl xl1 cl"><li>• <a href="blog-324673-909280.html" target="_blank">91位创新者（含14位诺贝尔奖获得者）的共同特征</a></li> <li>• <a href="blog-324673-908822.html" target="_blank">女子ATM上输密码遭电击的背后</a></li> <li>• <a href="blog-324673-763142.html" target="_blank">科普下上海交大教授搞不懂的小学心算常识</a></li> <li>• <a href="blog-324673-550579.html" target="_blank">为何名校总设、教授常不及中学工程师？（兼谈“高语境”之弊）</a></li> <li>• <a href="blog-324673-541735.html" target="_blank">辞职了，专心著书</a></li> </ul> </div>  <div class="mbm cl"> <h2 class="mbm ptn pbn bbs"><span class="xs1 xw0 y"><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=324673&do=blog&view=me">全部</a></span>作者的其他最新博文</h2> <ul class="xl xl1 cl"><li>• <a href="blog-324673-1398046.html" target="_blank">科学运动健康与健身的21大区别</a></li> <li>• <a href="blog-324673-1383716.html" target="_blank">详解运动与健康之间的科学共识：跑步篇</a></li> <li>• <a href="blog-324673-1380679.html" target="_blank">被大多人忽视的有关运动健康的科学共识：行走篇</a></li> <li>• <a href="blog-324673-1379340.html" target="_blank">一文详解运动、健身与健康之间的科学关系</a></li> <li>• <a href="blog-324673-1297569.html" target="_blank">拙作《行意合一让运动更快乐》版权输出到台湾了：）</a></li> </ul> </div>  <div class="mbm cl"> <h2 class="mbm ptn pbn bbs"><span class="xs1 xw0 y"><a href="https://blog.sciencenet.cn/blog.php?mod=recommend">全部</a></span>精选博文导读</h2> <ul class="xl xl1 cl"><li><span class="xl1_elp">• <a href="blog-45-1472894.html" target="_blank">想要论文登上顶刊封面？你需要这个好帮手！</a></span></li> <li><span class="xl1_elp">• <a href="blog-45-1472175.html" target="_blank">科学网2025年1月十佳博文榜单公布！</a></span></li> <li><span class="xl1_elp">• <a href="blog-3411509-1473836.html" target="_blank">西工大王凯等：双功能有机添加剂异构体助力高效稳定钙钛矿太阳能电池</a></span></li> <li><span class="xl1_elp">• <a href="blog-3534092-1473953.html" target="_blank">哈尔滨工业大学王大伟/常云飞：多功能BiFeO3在压电催化领域的研究进展</a></span></li> <li><span class="xl1_elp">• <a href="blog-212210-1473922.html" target="_blank">肠道细菌如何影响心理健康</a></span></li> <li><span class="xl1_elp">• <a href="blog-1557-1473921.html" target="_blank">一篇关于“科学化”的文献综述</a></span></li> </ul> </div>  <div class="mbm cl"> <h2 class="mbm ptn pbn bbs">相关博文</h2> <ul class="xl xl1 cl"><li><span class="xl1_elp">• <a href="blog-3393151-1473732.html" target="_blank">伍赛特最新入选“2024中国知网高被引学者TOP1%”</a></span></li> <li><span class="xl1_elp">• <a href="blog-3429562-1473183.html" target="_blank">《主动医学理论概述》-初学者入门</a></span></li> <li><span class="xl1_elp">• <a href="blog-2916187-1472312.html" target="_blank">知名学者的国际领导力-怀念我的导师瓦格纳</a></span></li> <li><span class="xl1_elp">• <a href="blog-41701-1472158.html" target="_blank">为什么会有如此多的年轻学者去世？</a></span></li> <li><span class="xl1_elp">• <a href="blog-475824-1472130.html" target="_blank">新加坡国立大学诚招博后、访问学者</a></span></li> <li><span class="xl1_elp">• <a href="blog-3516770-1472107.html" target="_blank">已发布的预印本如何撤回？我的预印本稿件为什么被拒了？| 学者问答</a></span></li> </ul> </div> </div> </div> </div> </div> <SCRIPT type=text/x-mathjax-config> MathJax.Hub.Config({"HTML-CSS": { preferredFont: "TeX", availableFonts: ["STIX","TeX"], linebreaks: { automatic:true }, EqnChunk: (MathJax.Hub.Browser.isMobile ? 10 : 50) }, tex2jax: { inlineMath: [ ["$", "$"], ["\\\$","\\\$"] ], displayMath: [ ["$$","$$"], ["\\[", "\\]"] ], processEscapes: true, ignoreClass: "tex2jax_ignore|dno" }, TeX: { noUndefined: { attributes: { mathcolor: "red", mathbackground: "#FFEEEE", mathsize: "90%" } } }, messageStyle: "none" }); </SCRIPT> <script type="text/javascript"> //增加监听，延迟加载外部js文件 if (window.addEventListener){ window.addEventListener("load", loadScript, false); }else if (window.attachEvent){ window.attachEvent("onload", loadScript); }else { window.onload = loadScript; } function loadScript(){ var myScript=document.createElement("script"); myScript.type="text/javascript"; //myScript.charset="utf-8"; myScript.src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML"; document.body.appendChild(myScript); } </script>  <script src="https://blog.sciencenet.cn/static/js/buttonLite.js#style=-1&uuid=3e911bff-2140-46cc-81cb-ccaf1edd9b1b&pophcol=2&lang=zh" type="text/javascript"></script> <script src="https://blog.sciencenet.cn/static/js/bshareC0.js" type="text/javascript"></script> </div> <div id="ft" class="wp cl"> <div id="flk" class="y"> <p> <a href="https://bbs.sciencenet.cn/archiver/" >Archiver</a><span class="pipe">|</span><a href="http://wap.sciencenet.cn" >手机版</a><span class="pipe">|</span><strong><a href="https://www.sciencenet.cn" target="_blank">科学网</a></strong> ( <a href="https://beian.miit.gov.cn/" target="_blank">京ICP备07017567号-12</a> )<span style="display:none"> <script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://"); document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3Fcbf293a46e1e62385b889174378635f1' type='text/javascript'%3E%3C/script%3E")); </script> </span></p> <p class="xs0"> GMT+8, 2025-2-20 15:58<span id="debuginfo"> </span> </p> </div> <div id="frt"> <p>Powered by <strong><a href="http://www.sciencenet.cn" target="_blank">ScienceNet.cn</a></strong><em></em></p> <p class="xs0">Copyright © 2007-<script type="text/javascript">var Date22 = new Date();var year22 = Date22.getFullYear();document.write(year22);</script> <a href="http://www.stimes.cas.cn" target="_blank">中国科学报社</a></p> </div></div>  <ul id="usersetup_menu" class="p_pop" style="display:none;"> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=avatar">修改头像</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=profile">个人资料</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=profile&op=verify">认证</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=credit">积分</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=usergroup">用户组</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=privacy">隐私筛选</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=spacecp&ac=profile&op=password">密码安全</a></li> </ul>                <ul id="myprompt_menu" class="p_pop" style="position: absolute; z-index: 301; left: 0px; top: 278px; display: none;">    <li><a href="https://blog.sciencenet.cn/home.php?mod=space&uid=0&do=blog&view=com">我收到的评论/回复 </a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&do=blog&view=com&order=mycom">我发表的评论/回复 </a></li>       <li><a href="https://blog.sciencenet.cn/home.php?mod=space&do=notice&view=mypost&type=at">查看@我</a></li> <li><a href="https://blog.sciencenet.cn/home.php?mod=space&do=notice&view=interactive">查看其他</a></li>  </ul> <div id="g_upmine_menu" class="g_up" style="display:none;"> <div class="crly"> 积分 0, 距离下一级还需积分 </div> <div class="mncr"></div> </div>  <script src="home.php?mod=misc&ac=sendmail&rand=1740038335" type="text/javascript"></script> <div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> <script type="text/javascript">_attachEvent(window, 'scroll', function () { showTopLink(); });checkBlind();</script> <div id="discuz_tips" style="display:none;"></div> <script type="text/javascript"> var tipsinfo = '|X3.3|0.6||0||0|7|1740038335||2'; </script> </body> </html>