ÌâÄ¿ÄÚÈÝ

£¨2013?»Ê¹ÃÇø¶þÄ££©ÔÚ¿Æѧ̽¾¿¿ÎÖУ¬ÊµÑéС×éͬѧ²ÂÏë¡°»¬¶¯Ä¦²ÁÁ¦µÄ´óС¿ÉÄÜÓëѹÁ¦´óСÓйء±£¬ÓÚÊÇËûÃÇÑ¡ÓÃÁËÖØ10NµÄÎïÌåÍê³ÉÁËÈçͼ1ËùʾµÄÈý´ÎʵÑ飺

£¨1£©Í¨¹ý±È½Ï
¼×¡¢ÒÒ
¼×¡¢ÒÒ
Á½Í¼£¬¿ÉÒÔÑéÖ¤ËûÃǵIJÂÏ룬µÃ³öµÄ½áÂÛÊÇ£º
½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÒ»¶¨Ê±£¬Ñ¹Á¦Ô½´ó£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó
½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÒ»¶¨Ê±£¬Ñ¹Á¦Ô½´ó£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó
£®
£¨2£©ºÃ¶¯ÄÔ½îµÄͬѧÃÇÔÚ¼××°ÖÃľ°åÓÒ¶ËÓÖµæÁËÒ»¸öľ¿é£¬À´Ì½¾¿Ð±ÃæµÄ»úеЧÂÊ£®ÊµÑéÇ°ËûÃÇ·ÖÎö£º¡°ÓÉÓÚбÃæ²»Êǹ⻬µÄ£¬ÑØбÃæÏòÉÏÀ­ÎïÌ壬±Ø¶¨Òª¿Ë·þĦ²Á×ö¶îÍ⹦£¬Ð±ÃæµÄ»úеЧÂÊÒ»¶¨ÊÜĦ²ÁÁ¦µÄÓ°Ï족£®ÓÚÊÇËûÃÇ×öÁËÈçͼ1ËùʾµÄʵÑ飬Ôڹ⻬³Ì¶ÈÒ»Ñù¶øÇãб³Ì¶È²»Í¬µÄбÃæÉÏÔÈËÙÖ±ÏßÀ­¶¯Îï¿é£¬£¨Èçͼ2Ëùʾ£©²¢Éè¼Æ±í¸ñ¼Ç¼ʵÑéÊý¾ÝÈçÏ£º

ʵÑé
´ÎÊý
бÃæµÄÇãб³Ì¶È ÎïÌåÖØG/N ÎïÌåÉÏÉý¸ß¶Èh/m ÑØбÃæÀ­Á¦F/N ÎïÌåÒƶ¯¾àÀë s/m ÓÐÓù¦WÓÐ/J ×ܹ¦W×Ü/J »úеЧÂÊ¦Ç »úеЧÂÊƽ¾ùÖµ
1 ½Ï»º 5.0 0.10 1.6 0.50 0.50 0.80 63%
2 ½Ï¶¸ 5.0 0.15 2.2 0.50 0.75 1.10 68%
3 × 5.0 0.25 0.50 1.25
£¨a£©Èçͼ2ËùʾµÚÈý´ÎʵÑ鵯»É²âÁ¦¼ÆµÄʾÊýΪ
3.2
3.2
N£®
£¨b£©Ð¡À¼ÔÚ¶ÔʵÑéÊý¾Ý´¦ÀíµÄ¹ý³ÌÖгöÏֵĴíÎóÖ®´¦ÊÇ£º
бÃæµÄ»úеЧÂÊÊDZ仯µÄ£¬²»Ó¦¼ÆËãƽ¾ùÖµ
бÃæµÄ»úеЧÂÊÊDZ仯µÄ£¬²»Ó¦¼ÆËãƽ¾ùÖµ
£®
£¨c£©¸ÄÕý´íÎóºó£¬¶ÔʵÑéÊý¾Ý½øÐзÖÎö£¬Äã¶ÔбÃæ»úеЧÂÊÎÊÌâ¿É»ñµÃµÄ³õ²½½áÂÛÊÇ
½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÏàͬ£¨»ò¹â»¬³Ì¶ÈÏàͬ£©Ê±£¬Ð±ÃæÔ½¶¸£¨»ò»º£©£¬»úеЧÂÊÔ½¸ß£¨»òµÍ£©
½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÏàͬ£¨»ò¹â»¬³Ì¶ÈÏàͬ£©Ê±£¬Ð±ÃæÔ½¶¸£¨»ò»º£©£¬»úеЧÂÊÔ½¸ß£¨»òµÍ£©
£®
·ÖÎö£º£¨1£©Ä¦²ÁÁ¦´óСµÄÓ°ÏìÒòËØ£ºÑ¹Á¦´óСºÍ½Ó´¥ÃæµÄ´Ö²Ú³Ì¶È£®ÒªÌ½¾¿»¬¶¯Ä¦²ÁÁ¦ÓëѹÁ¦´óСµÄ¹Øϵ£¬ÐèÒª±£³Ö½Ó´¥ÃæµÄ´Ö²Ú³Ì¶ÈÏàͬ£¬¸Ä±äѹÁ¦µÄ´óС£®
£¨2£©£¨a£©µ¯»É²âÁ¦¼Æ¶ÁÊýʱҪ¿´ÇåÁ¿³ÌºÍ·Ö¶ÈÖµ£¬È»ºó¸ù¾ÝÖ¸ÕëָʾµÄλÖöÁÊý£»
£¨b£©Ð±ÃæµÄ»úеЧÂʲ»Êǹ̶¨²»±äµÄ£¬ËüºÍбÃæµÄÇãб³Ì¶È¡¢´Ö²Ú³Ì¶È¡¢À­¶¯ÎïÌåµÄÖØÁ¦¶¼ÓйØϵ£¬Òò´Ë²»ÄÜÇóȡƽ¾ùÖµ£®
£¨c£©¸ù¾ÝW=FsÇó³öµÚÈý´ÎʵÑéµÄ×ܹ¦£¬ÀûÓÃЧÂʹ«Ê½Çó³öЧÂÊ£¬¸ù¾ÝʵÑé¼Ç¼£¬ÕÒ³öÏàͬÒòËغͲ»Í¬ÒòËØ£¬ÔËÓÿØÖƱäÁ¿·¨µÄ˼ÏëµÃ³öÕýÈ·µÄ½áÂÛ£®
½â´ð£º½â£º£¨1£©Ì½¾¿»¬¶¯Ä¦²ÁÁ¦µÄ´óС¿ÉÄÜÓëѹÁ¦´óСÓйØʱ£¬Ó¦¿ØÖƽӴ¥ÃæµÄ´Ö²Ú³Ì¶È²»±ä£¬¸Ä±äѹÁ¦µÄ´óС£¬½áºÏͼ1¿ÉÖª¼×¡¢ÒÒ·ûºÏ£®
ÓÉͼ¼×¡¢ÒÒ¿ÉÖª£¬Á½Õß½Ó´¥ÃæµÄ´Ö²Ú³Ì¶ÈÏàͬ£¬ÒÒµÄѹÁ¦´ó£¬µ¯»É²âÁ¦¼ÆµÄʾÊýÒ²´ó£¬¼´Êܵ½µÄĦ²ÁÁ¦´ó£¬¹Ê¿ÉµÃ½áÂÛ£º½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÒ»¶¨Ê±£¬Ñ¹Á¦Ô½´ó£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó£®
£¨2£©£¨a£©Í¼Ê¾µ¯»É²âÁ¦¼ÆµÄÁ¿³ÌΪ5N£¬·Ö¶ÈÖµÊÇ0.2N£¬Ö¸ÕëÖ¸ÔÚ3NÏÂÃæµÚ1¸öС¸ñÉÏ£¬ËùÒÔµ¯»É²âÁ¦¼ÆµÄʾÊýΪ3N+0.2N=3.2N£»
£¨b£©Ó°ÏìбÃæ»úеЧÂʵÄÒòËØÓÐбÃæµÄ´Ö²Ú³Ì¶ÈºÍбÃæµÄÇãб³Ì¶È£¬Í¬Ò»Ð±Ãæ»úеЧÂÊÒ²²»Êǹ̶¨²»±äµÄ£¬À­¶¯µÄÎïÌåÖØÁ¦Ô½´ó£¬Ð±ÃæµÄ»úеЧÂÊÔ½´ó£¬Òò´ËбÃæ»úеЧÂÊÊDZ仯µÄ£¬²»Ó¦¼ÆËãƽ¾ùÖµ£®
£¨c£©µÚ3´ÎʵÑéÖУ¬×ܹ¦ÎªW×Ü=Fs=3.2N¡Á0.5m=1.6J£¬
бÃæµÄ»úеЧÂʦÇ=
WÓÐ
W×Ü
¡Á100%=
1.25J
1.6J
¡Á100%¡Ö78%£»
¹Û²ì±íÖÐÊý¾Ý£¬ÏàͬÒòËØÊÇбÃæµÄ´Ö²Ú³Ì¶È£¬²»Í¬ÒòËØÊÇбÃæµÄÇãб³Ì¶È£¬¸ù¾Ý»úеЧÂʵĴóС£¬µÃ³öµÄ½áÂÛÊÇ£º½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÏàͬ£¨»ò¹â»¬³Ì¶ÈÏàͬ£©Ê±£¬Ð±ÃæÔ½¶¸£¨»ò»º£©£¬»úеЧÂÊÔ½¸ß£¨»òµÍ£©£®
¹Ê´ð°¸Îª£º
£¨1£©¼×¡¢ÒÒ£»½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÒ»¶¨Ê±£¬Ñ¹Á¦Ô½´ó£¬»¬¶¯Ä¦²ÁÁ¦Ô½´ó£»
£¨2£©£¨a£©3.2£»
£¨b£©Ð±ÃæµÄ»úеЧÂÊÊDZ仯µÄ£¬²»Ó¦¼ÆËãƽ¾ùÖµ£»
£¨c£©½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÏàͬ£¨»ò¹â»¬³Ì¶ÈÏàͬ£©Ê±£¬Ð±ÃæÔ½¶¸£¨»ò»º£©£¬»úеЧÂÊÔ½¸ß£¨»òµÍ£©£®
µãÆÀ£º±¾ÌâÖص㿼²éÁË¿ØÖƱäÁ¿·¨µÄ˼ÏëÔÚʵÑéÖеľßÌåÓ¦Ó㬲ÉÓÿØÖƱäÁ¿·¨Ñо¿µÄʵÑ飬ÔÚ¹éÄɽáÂÛʱ£¬Ò»¶¨Òª¿´Çå²»±äÁ¿ºÍ±äÁ¿£¬Ò»°ãÊÇÔÚ£¨²»±äÁ¿£©Ïàͬʱ£¬ÎïÀíÁ¿Ó루±äÁ¿£©Óйأ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø