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<div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=63" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">磁场的奇妙威力 湖南大学公开课：大学物理的生活震撼 7 </h1> <p class="xg1"> 时间：2015-7-18 23:50<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(2184)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=3463&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=63" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>本讲从奇妙的北极光现象引入地磁场对带电粒子的作用威力，讲述了磁场的成因，磁场对电流或带电运动粒子的磁场力或磁力矩作用规律，介绍直流单相和多级电动机的动力原理和流行的电动自行车应用，交流单相和三相电动机 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><span id="swf_AD4"></span><script type="text/javascript" reload="1">$('swf_AD4').innerHTML=AC_FL_RunContent('width', '520', 'height', '390', 'allowNetworking', 'internal', 'allowScriptAccess', 'never', 'src', encodeURI('http://swf.ws.126.net/openplayer/v02/-0-2_M93PID6K3_M961OITHR-vimg1_ws_126_net//image/snapshot_movie/2013/8/Q/8/M961OIQQ8-1421720937445.swf'), 'quality', 'high', 'bgcolor', '#ffffff', 'wmode', 'transparent', 'allowfullscreen', 'true');</script><div><br></div><div>本讲从奇妙的北极光现象引入地磁场对带电粒子的作用威力，讲述了磁场的成因，磁场对电流或带电运动粒子的磁场力或磁力矩作用规律，介绍直流单相和多级电动机的动力原理和流行的电动自行车应用，交流单相和三相电动机的动力特点，引入交流电动机变频技术及其在生活中的应用，最后介绍磁场的其他应用，包括质谱仪、磁场流体动力、回旋加速器和电磁起重等。</div></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=1&idtype=aid&id=3463&hash=fd7991cfc2bba54502f14e5d0bba0c09&handlekey=clickhandle" id="click_aid_3463_1" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/jidan.gif" alt="" /><br />鸡蛋</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=2&idtype=aid&id=3463&hash=fd7991cfc2bba54502f14e5d0bba0c09&handlekey=clickhandle" id="click_aid_3463_2" onclick="showWindow(this.id, 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<dd>看帖要回，回帖才健康，在踩踩，楼主辛苦了！</dd> </dl><a name="comment_anchor_1228"></a> <dl id="comment_1228_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1228, '3463');">引用</a> </span> <a href="http://club.oecr.com/space-uid-88187.html" class="xi2 xw1" c="1">hclgogo</a> <span class="xg1 xw0">2015-7-26 08:11</span> </dt> <dd>长见识啦。。。</dd> </dl><a name="comment_anchor_1196"></a> <dl id="comment_1196_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1196, '3463');">引用</a> </span> <a href="http://club.oecr.com/space-uid-85806.html" class="xi2 xw1" c="1">xh2008</a> <span class="xg1 xw0">2015-7-25 16:40</span> </dt> <dd>学习光电知识，找到这里来了。</dd> </dl><a name="comment_anchor_1125"></a> <dl id="comment_1125_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1125, '3463');">引用</a> </span> <a href="http://club.oecr.com/space-uid-21193.html" class="xi2 xw1" c="1">cqzpj</a> <span class="xg1 xw0">2015-7-24 05:38</span> </dt> <dd>我是个凑数的。。。</dd> </dl><a name="comment_anchor_1026"></a> <dl id="comment_1026_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1026, '3463');">引用</a> </span> <a href="http://club.oecr.com/space-uid-26429.html" class="xi2 xw1" c="1">eagle_fly</a> <span class="xg1 xw0">2015-7-22 05:06</span> </dt> <dd>微信客户端也挺方便，大家都加个啊 oecrcom</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" class="area"></div><!--[/diy]--> </div> <div class="sd pph"> <div class="drag"> <!--[diy=diyrighttop]--><div id="diyrighttop" class="area"><div id="frameRe1gON" class="cl_frame_bm frame move-span cl frame-1"><div class="frame-title title"><span class="titletext">推荐学习内容</span></div><div id="frameRe1gON_left" class="column frame-1-c"><div id="frameRe1gON_left_temp" 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