热量、功能单位在线转换

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<TD vAlign=top align=left width=758 bgColor=#bfdaed><A href="http://www.hao51xx.com/mod3/show_article.asp?id=418276">站长工具箱</A> <A href="http://www.hao51xx.com/mod3/show_article.asp?id=419007">Alexa排名</A><A href="http://www.id666.com/"> </A><A href="http://www.hao51xx.com/mod3/show_article.asp?id=418840">在线编辑器</A><A href="http://www.id666.com/"> </A><A href="http://www.hao51xx.com/user/ylym8888/moban/CheckColor.htm">颜色代码查询</A><A href="http://www.id666.com/">  </A><A href="http://www.hao51xx.com/mod3/show_article.asp?id=418907">代码在线互转</A>  <A href="http://www.hao51xx.com/mod3/show_article.asp?id=395782">搜索登录口</A><A href="http://www.id666.com/"> </A><A href="http://www.hao51xx.com/mod3/show_article.asp?id=418248">超级转贴工具</A><A href="http://www.id666.com/"> </A><A href="http://www.hao51xx.com/mod3/show_article.asp?id=419007">PR值查询</A><A href="http://www.id666.com/"> </A> <A href="http://bbs.hao51xx.com/" target=_blank>交流论坛</A> <FONT color=#ff0066>【<SPAN title=好我要软件网 style="CURSOR: hand" onclick="window.external.addFavorite('http://www.hao51xx.com/','我要软件网')">收藏本页</SPAN>】</FONT></TD></TR></TBODY></TABLE>
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<TD align=middle bgColor=#bfdaed><STRONG>在线功能和热量转换、功能单位</STRONG></TD></TR></TBODY></TABLE>
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<SCRIPT language=javascript type=text/javascript> 
function HEAT_MEASURES() { 
  this.Joule = 1 
  this.Kgm = 9.80392157 
  this.Psh = 2647603.9184538 
  this.Hph = 2684563.7583893 
  this.Kwh = 3599712.023038157 
  this.Kcal = 4185.851820846 
  this.Btu = 1055.0749103 
  this.Ftlb = 1.3557483731 
} 
var heat_data = new HEAT_MEASURES(); 
function checkNum(str) { 
  for (var i=0; i<str.length; i++) { 
    var ch = str.substring(i, i + 1) 
    if (ch!="." && ch!="+" && ch!="-" && ch!="e" && ch!="E" && (ch < "0" || ch > "9")) { 
      alert("请输入有效的数字"); 
      return false; 
    } 
  } 
  return true 
} 
function normalize(what,digits) { 
  var str=""+what; 
  var pp=Math.max(str.lastIndexOf("+"),str.lastIndexOf("-")); 
  var idot=str.indexOf("."); 
  if (idot>=1) { 
    var ee=(pp>0)?str.substring(pp-1,str.length):""; 
    digits+=idot; 
    if (digits>=str.length) 
      return str; 
    if (pp>0 && digits>=pp) 
      digits-=pp; 
    var c=eval(str.charAt(digits)); 
    var ipos=digits-1; 
    if (c>=5) { 
      while (str.charAt(ipos)=="9") 
        ipos--; 
      if (str.charAt(ipos)==".") { 
        var nc=eval(str.substring(0,idot))+1; 
        if (nc==10 && ee.length>0) { 
          nc=1; 
          ee="e"+(eval(ee.substring(1,ee.length))+1); 
        } 
        return ""+nc+ee; 
      } 
      return str.substring(0,ipos)+(eval(str.charAt(ipos))+1)+ee; 
    } 
    else 
      var ret=str.substring(0,digits)+ee; 
    for (var i=0; i<ret.length; i++) 
        if (ret.charAt(i)>"0" && ret.charAt(i)<="9") 
          return ret; 
    return str; 
  } 
  return str; 
} 
function compute(obj,val,data) { 
  if (obj[val].value) { 
    var uval=0; 
    uval = obj[val].value*data[val]; 
    if( (uval >= 0) && (obj[val].value.indexOf("-") != -1) ) { 
      uval = -uval;     
    } 
    for (var i in data) 
      obj[i].value=normalize(uval/data[i],8); 
  } 
} 
function resetValues(form,data)  {   
    for (var i in data) 
      form[i].value=""; 
} 
function resetAll(form) {    
  resetValues(form,heat_data);  
} 
</SCRIPT>
 　可实现在线焦耳(J)、公斤·米(kg·m)、米制马力·时(PS·h)、英制马力·时(HP·h)、千瓦·时(kW·h)、<BR>千卡(kcal)、英热单位(Btu)、英尺·磅(ft·lb)间的互转互换。 
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<TD align=middle height=26><STRONG>功、能和热量单位计量单位换算器</STRONG></TD></TR>
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<TD noWrap align=right>焦耳<FONT style="FONT-SIZE: 9px">(J)</FONT></TD>
<TD align=left><INPUT size=12 name=Joule></TD>
<TD align=left><INPUT onclick="if (checkNum(Joule.value)) compute(this.form,Joule.name,heat_data)" type=button value=换算 name=Joule_bt></TD>
<TD noWrap align=right>公斤·米<FONT style="FONT-SIZE: 9px">(kg·m)</FONT></TD>
<TD align=left><INPUT size=12 name=Kgm></TD>
<TD align=left><INPUT onclick="if (checkNum(Kgm.value)) compute(this.form,Kgm.name,heat_data)" type=button value=换算 name=Kgm_bt></TD></TR>
<TR>
<TD noWrap align=right>米制马力·时<BR><FONT style="FONT-SIZE: 9px">(PS·h)</FONT></TD>
<TD align=left><INPUT size=12 name=Psh></TD>
<TD align=left><INPUT onclick="if (checkNum(Psh.value)) compute(this.form,Psh.name,heat_data)" type=button value=换算 name=Psh_bt></TD>
<TD noWrap align=right>英制马力·时<BR><FONT style="FONT-SIZE: 9px">(HP·h)</FONT></TD>
<TD align=left><INPUT size=12 name=Hph></TD>
<TD align=left><INPUT onclick="if (checkNum(Hph.value)) compute(this.form,Hph.name,heat_data)" type=button value=换算 name=Hph_bt></TD></TR>
<TR>
<TD noWrap align=right>千瓦·时<FONT style="FONT-SIZE: 9px">(kW·h)</FONT></TD>
<TD align=left><INPUT size=12 name=Kwh></TD>
<TD align=left><INPUT onclick="if (checkNum(Kwh.value)) compute(this.form,Kwh.name,heat_data)" type=button value=换算 name=Kwh_bt></TD>
<TD noWrap align=right>千卡<FONT style="FONT-SIZE: 9px">(kcal)</FONT></TD>
<TD align=left><INPUT size=12 name=Kcal></TD>
<TD align=left><INPUT onclick="if (checkNum(Kcal.value)) compute(this.form,Kcal.name,heat_data)" type=button value=换算 name=Kcal_bt></TD></TR>
<TR>
<TD noWrap align=right>英热单位<FONT style="FONT-SIZE: 9px">(Btu)</FONT></TD>
<TD align=left><INPUT size=12 name=Btu></TD>
<TD align=left><INPUT onclick="if (checkNum(Btu.value)) compute(this.form,Btu.name,heat_data)" type=button value=换算 name=Btu_bt></TD>
<TD noWrap align=right>英尺·磅<FONT style="FONT-SIZE: 9px">(ft·lb)</FONT></TD>
<TD align=left><INPUT size=12 name=Ftlb></TD>
<TD align=left><INPUT onclick="if (checkNum(Ftlb.value)) compute(this.form,Ftlb.name,heat_data)" type=button value=换算 name=Ftlb_bt></TD></TR>
<TR>
<TD colSpan=6>
<DIV align=center><INPUT onclick=resetAll(this.form) type=button value=数据重置 name=res7></DIV></TD></TR></FORM></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>

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