СÑô¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖдíÎóµÄÊÇ
ÎïÖÊÃܶȦÑ/£¨kg/m3£©
£¨³£Î³£Ñ¹Ï£©
úÓÍ0.8¡Á103
´¿Ë®1.0¡Á103
±ù0.9¡Á103
Í­8.9¡Á103
Ǧ11.3¡Á103
ÎïÖʱÈÈÈÈÛ
c/[J/kg£®¡æ]
¸ÉÄàÍÁ0.84¡Á103
Ë®4.2¡Á103
±ù2.1¡Á103
Í­0.39¡Á103
Ǧ0.13¡Á103


  1. A.
    ÖÊÁ¿ÏàµÈµÄË®ºÍúÓÍ£¬ÃºÓ͵ÄÌå»ý´ó
  2. B.
    ͬһÎïÖÊ·¢ÉúÎï̬±ä»¯ºó£¬Ãܶȼ°±ÈÈÈÈݶ¼²»±ä
  3. C.
    Ìå»ýÏàµÈµÄÍ­¿éºÍǦ¿é£¬ÎüÊÕÏàͬµÄÈÈÁ¿£¬Ç¦¿éÉý¸ßµÄζȽ϶à
  4. D.
    ÖÊÁ¿ÏàµÈµÄÍ­¿éºÍǦ¿é£¬Éý¸ßÏàͬµÄζȣ¬Í­¿éÎüÊÕµÄÈÈÁ¿ÊÇǦ¿éÎüÊÕÈÈÁ¿µÄ3±¶
B
·ÖÎö£º¢ÙÖÊÁ¿ÏàµÈµÄ²»Í¬ÎïÌ壬Ìå»ý´óСÓù«Ê½V=±È½Ï£»
¢ÚÃܶȺͱÈÈÈÈݶ¼ÊÇÎïÖʵÄÌØÐÔ£¬Í¬ÖÖÎïÖÊ£¬×´Ì¬²»±ä£¬ÃܶȺͱÈÈÈÈݶ¼²»±ä£»×´Ì¬±ä»¯£¬ÃܶȺͱÈÈÈÈÝÒ²»á·¢Éú±ä»¯£»
¢ÛÌå»ýÏàͬ£¬ÎüÊÕÈÈÁ¿ÏàͬµÄ²»Í¬ÎïÌ壬ζÈÉý¸ßµÄ´óСÓù«Ê½¡÷t=±È½Ï£»
¢ÜÖÊÁ¿ÏàµÈ£¬Éý¸ßµÄζÈÏàµÈ£¬²»Í¬ÎïÖÊÎüÊÕÈÈÁ¿µÄ¶àÉÙÓù«Ê½Q=cm¡÷t±È½Ï£®
½â´ð£º
A¡¢ÓÉÊý¾ÝÖª£¬ÃºÓ͵ÄÃܶÈСÓÚË®µÄÃܶȣ¬ÔÚÖÊÁ¿Ïàͬʱ£¬Óɹ«Ê½V=Öª£¬ÃºÓ͵ÄÌå»ý½Ï´ó£®´ËÑ¡ÏîÕýÈ·£¬²»·ûºÏÌâÒ⣻
B¡¢Ë®Óë±ùÊôÓÚͬÖÖÎïÖÊ£¬µ«ÃܶȺͱÈÈȶ¼²»Í¬£¬ËµÃ÷ÃܶȺͱÈÈÈÈÝÓëÎïÖʵÄ״̬Óйأ®´ËÑ¡Ïî´íÎ󣬷ûºÏÌâÒ⣻
C¡¢ÓÉÌâÒâµÃ£¬Í­¿éÉý¸ßµÄζÈΪ¡÷tÍ­=
Ǧ¿éÉý¸ßµÄζÈΪ¡÷tǦ=
ËùÒÔ==¡Á=¡Á£¼1
ËùÒÔǦ¿éÉý¸ßµÄζȽ϶࣮´ËÑ¡ÏîÕýÈ·£¬²»·ûºÏÌâÒ⣻
D¡¢ÒÑ֪Ǧ¿éºÍÍ­¿éµÄÖÊÁ¿ÏàµÈ£¬Éý¸ßµÄζÈÏàµÈ£¬Í­µÄ±ÈÈÈÊÇǦµÄ±ÈÈȵÄÈý±¶£¬Óɹ«Ê½Q=cm¡÷tÖª£¬Í­¿éÎüÊÕµÄÈÈÁ¿ÊÇǦ¿éÎüÊÕÈÈÁ¿µÄ3±¶£®´ËÑ¡ÏîÕýÈ·£¬²»·ûºÏÌâÒ⣮
¹ÊÑ¡B£®
µãÆÀ£º´ËÌ⿼²éµÄÊÇÃܶȺͱÈÈÈ×÷ΪÎïÖʵÄÌØÐÔÔÚʵ¼ÊÎÊÌâÖеÄÓ¦Óã¬ÊìÁ·µØÀûÓù«Ê½¼°Æä±äÐÎÊǽâ¾ö´ËÀàÎÊÌâµÄ¹Ø¼ü£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?³¯ÑôÇø£©Ð¡Ñô¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖдíÎóµÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ÃܶȦÑ/£¨kg/m3£©
£¨³£Î³£Ñ¹Ï£©
úÓÍ 0.8¡Á103
´¿Ë® 1.0¡Á103
±ù 0.9¡Á103
Í­ 8.9¡Á103
Ǧ 11.3¡Á103
ÎïÖÊ ±ÈÈÈÈÛ
c/[J/kg£®¡æ]
¸ÉÄàÍÁ 0.84¡Á103
Ë® 4.2¡Á103
±ù 2.1¡Á103
Í­ 0.39¡Á103
Ǧ 0.13¡Á103

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º³¯ÑôÇø ÌâÐÍ£ºµ¥Ñ¡Ìâ

СÑô¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖдíÎóµÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ÃܶȦÑ/£¨kg/m3£©
£¨³£Î³£Ñ¹Ï£©
úÓÍ 0.8¡Á103
´¿Ë® 1.0¡Á103
±ù 0.9¡Á103
Í­ 8.9¡Á103
Ǧ 11.3¡Á103
ÎïÖÊ ±ÈÈÈÈÛ
c/[J/kg£®¡æ]
¸ÉÄàÍÁ 0.84¡Á103
Ë® 4.2¡Á103
±ù 2.1¡Á103
Í­ 0.39¡Á103
Ǧ 0.13¡Á103
A£®ÖÊÁ¿ÏàµÈµÄË®ºÍúÓÍ£¬ÃºÓ͵ÄÌå»ý´ó
B£®Í¬Ò»ÎïÖÊ·¢ÉúÎï̬±ä»¯ºó£¬Ãܶȼ°±ÈÈÈÈݶ¼²»±ä
C£®Ìå»ýÏàµÈµÄÍ­¿éºÍǦ¿é£¬ÎüÊÕÏàͬµÄÈÈÁ¿£¬Ç¦¿éÉý¸ßµÄζȽ϶à
D£®ÖÊÁ¿ÏàµÈµÄÍ­¿éºÍǦ¿é£¬Éý¸ßÏàͬµÄζȣ¬Í­¿éÎüÊÕµÄÈÈÁ¿ÊÇǦ¿éÎüÊÕÈÈÁ¿µÄ3±¶

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2012Äê±±¾©Êг¯ÑôÇøÖп¼ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

СÑô¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖдíÎóµÄÊÇ£¨ £©
ÎïÖÊÃܶȦÑ/£¨kg/m3£©
£¨³£Î³£Ñ¹Ï£©
úÓÍ0.8×103
´¿Ë®1.0×103
±ù0.9×103
Í­8.9×103
Ǧ11.3×103
ÎïÖʱÈÈÈÈÛ
c/[J/kg£®¡æ]
¸ÉÄàÍÁ0.84×103
Ë®4.2×103
±ù2.1×103
Í­0.39×103
Ǧ0.13×103

A£®ÖÊÁ¿ÏàµÈµÄË®ºÍúÓÍ£¬ÃºÓ͵ÄÌå»ý´ó
B£®Í¬Ò»ÎïÖÊ·¢ÉúÎï̬±ä»¯ºó£¬Ãܶȼ°±ÈÈÈÈݶ¼²»±ä
C£®Ìå»ýÏàµÈµÄÍ­¿éºÍǦ¿é£¬ÎüÊÕÏàͬµÄÈÈÁ¿£¬Ç¦¿éÉý¸ßµÄζȽ϶à
D£®ÖÊÁ¿ÏàµÈµÄÍ­¿éºÍǦ¿é£¬Éý¸ßÏàͬµÄζȣ¬Í­¿éÎüÊÕµÄÈÈÁ¿ÊÇǦ¿éÎüÊÕÈÈÁ¿µÄ3±¶

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸