СÀò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ
ÎïÖʱÈÈÈÈÝc/[J?£¨kg?¡æ£©-1]
Ë®4.2¡Á103
¾Æ¾«2.4¡Á103
Í­0.39¡Á103
Ǧ0.13¡Á103
ÎïÖÊÈÛµã/¡æ
£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
¸Ö1515
ÂÁ660
Ǧ328
Îý232
ÎïÖÊÃܶȦÑ/£¨kg?m-3£©
£¨³£Î³£Ñ¹Ï£©
¾Æ¾«0.8¡Á103
´¿Ë®1.0¡Á103
Í­8.9¡Á103
Ǧ11.3¡Á103


  1. A.
    ÖÊÁ¿ÏàµÈµÄË®ºÍ¾Æ¾«£¬ÎüÊÕÏàµÈµÄÈÈÁ¿£¬¾Æ¾«Î¶ÈÉý¸ßµÃ½Ï¶à
  2. B.
    ÓÃÀ´ÈÛ»¯ÎýµÄÆ÷Ãó¿ÉÒÔÓÃÂÁÖÆ×÷
  3. C.
    Ìå»ýÏàµÈµÄ´¿Ë®ºÍ¾Æ¾«£¬¾Æ¾«µÄÖÊÁ¿´ó
  4. D.
    Ìå»ýÏàµÈµÄÍ­¿éºÍǦ¿é£¬ÎüÊÕÏàµÈµÄÈÈÁ¿£¬Í­¿éζÈÉý¸ßµÄÉÙ
ABD
·ÖÎö£ºA¡¢ÓɱíÖÐÖªµÀË®ºÍ¾Æ¾«µÄ±ÈÈÈÈÝ£¬ÔÙ¸ù¾ÝÎüÈȹ«Ê½ÅжÏÖÊÁ¿ÏàµÈµÄË®ºÍ¾Æ¾«£¬ÎüÊÕÏàµÈÈÈÁ¿£¬¾Æ¾«ºÍˮζÈÉý¸ßµÄ¶àÉÙ£»
B¡¢ÓɱíÖпÉÖªÂÁºÍÎýµÄÈ۵㣬¾Ý´ËÅжÏÄÜ·ñÓÃÂÁÆ÷ÃóÈÛ»¯Îý£»
C¡¢ÓɱíÖÐÖªµÀ´¿Ë®ºÍ¾Æ¾«µÄÃܶȣ¬ÓÉÃܶȹ«Ê½µÃ³öÌå»ýÏàµÈµÄË®ºÍ¾Æ¾«µÄÖÊÁ¿¹ØÏµ£»
D¡¢ÓɱíÖÐÖªµÀÍ­ºÍǦµÄÃܶȣ¬ÓÉÃܶȹ«Ê½µÃ³öÌå»ýÏàµÈµÄÍ­ºÍǦµÄÖÊÁ¿¹ØÏµ£¬ÔÙ¸ù¾ÝÎüÈȹ«Ê½ÅжÏÎüÊÕÏàµÈÈÈÁ¿£¬Í­ºÍǦζÈÉý¸ßµÄ¶àÉÙ£®
½â´ð£ºA¡¢ÓɱíÖÐÖªµÀË®ºÍ¾Æ¾«µÄ±ÈÈÈÈÝ£¨cË®£¾c¾Æ¾«£©£¬ÒòΪQÎü=cm¡÷t£¬ÖÊÁ¿ÏàͬµÄË®ºÍ¾Æ¾«£¬ÎüÊÕÏàµÈÈÈÁ¿£¬Ë®Î¶ȵÄÉý¸ßֵС£¬¾Æ¾«Î¶ÈÉý¸ßµÃ½Ï¶à£¬¹ÊAÕýÈ·£»
B¡¢ÓɱíÖÐÊý¾ÝÖªµÀÂÁµÄÈÛµãÊÇ660¡æ£¬ÎýµÄÈÛµãÊÇ232¡æ£¬¿ÉÒÔÓÃÂÁ×öÈÛ»¯ÎýµÄÆ÷Ã󣬹ÊBÕýÈ·£»
C¡¢ÓɱíÖÐÖªµÀ´¿Ë®ºÍ¾Æ¾«µÄÃܶȣ¨¦ÑË®£¾¦Ñ¾Æ¾«£©£¬ÒòΪ¦Ñ=£¬VË®=V¾Æ¾«£¬ËùÒÔmË®£¾m¾Æ¾«£¬¹ÊC´í£»
D¡¢¸ù¾ÝQÎü=cm¡÷t£¬ÎüÊÕÈÈÁ¿ÏàµÈ£¬c1m1¡÷t1=c2m2¡÷t2£¬ÒòΪm=¦Ñv£¬Ìå»ýÏàͬ£¬ËùÒÔc1¦Ñ1¡÷t1=c2¦Ñ2¡÷t2£¬
==¡Ö0.42£¼1£¬ËùÒÔÍ­¿éζÈÉý¸ßµÄÉÙ¡¢Ç¦¿éζÈÉý¸ßµÄ¶à£¬¹ÊDÕýÈ·£®
¹ÊÑ¡ABD£®
µãÆÀ£º±¾Ì⿼²éÁË¶à·½ÃæµÄ֪ʶ£¬ÌرðÊÇÓйØÈ۵㡢Äý¹Ìµã¡¢Ãܶȡ¢±ÈÈÈÈÝ¡¢Ãܶȹ«Ê½ºÍÈÈÁ¿¹«Ê½µÄÓ¦Óã¬×¢ÒâÓúÿØÖƱäÁ¿·¨À´½øÐзÖÎö±È½Ï£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?²ýÆ½Çø¶þÄ££©Ð¡Àò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©¡¡¡¡
ÎïÖÊ ÃܶȦÑ/£¨kg?m-3£©£¨ÔÚ³£Î³£Ñ¹Ï£© ÎïÖÊ ÈÛµã/¡æ
£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
ÎïÖÊ ±ÈÈÈÈÝ
c/[J/£¨kg?¡æ£©]
úÓÍ 0.8¡Á103 Í­ 1083 ¸ÉÄàÍÁ 0.84¡Á103
´¿Ë® 1.0¡Á103 ÂÁ 660 Ë® 4.2¡Á103
Í­ 8.9¡Á103 Ǧ 328 Í­ 0.39¡Á103
ÂÁ 2.7¡Á103 Îý 232 ÂÁ 0.88¡Á103

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÀò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ÃܶȦÑ/£¨kg m-3£©
£¨³£Î³£Ñ¹Ï£©
ÎïÖÊ ÈÛµã/¡æ
£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
ÎïÖÊ ±ÈÈÈÈÝ
c/[J £¨kg?¡æ£©-1]
úÓÍ 0¡¢8¡Á103 Í­ 1083 ¸ÉÄàÍÁ 0¡¢84¡Á103
´¿Ë® 1¡¢0¡Á103 ÂÁ 660 Ë® 4¡¢2¡Á103
Í­ 8¡¢9¡Á103 Ǧ 328 Í­ 0¡¢39¡Á103
ÂÁ 2¡¢7¡Á103 Îý 232 ÂÁ 0¡¢88¡Á103

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2010?²ýÆ½ÇøÒ»Ä££©Ð¡Àò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ±ÈÈÈÈÝc/[J?£¨kg?¡æ£©-1]
Ë® 4.2¡Á103
¾Æ¾« 2.4¡Á103
Í­ 0.39¡Á103
Ǧ 0.13¡Á103
ÎïÖÊ ÈÛµã/¡æ
£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
¸Ö 1515
ÂÁ 660
Ǧ 328
Îý 232
ÎïÖÊ ÃܶȦÑ/£¨kg?m-3£©
£¨³£Î³£Ñ¹Ï£©
¾Æ¾« 0.8¡Á103
´¿Ë® 1.0¡Á103
Í­ 8.9¡Á103
Ǧ 11.3¡Á103

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÀò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ÃܶȦÑ/£¨kg?m-3£©
£¨³£Î³£Ñ¹Ï£©
úÓÍ 0.8¡Á103
Ë® 1.0¡Á103
Í­ 8.9¡Á103
ÂÁ 2.7¡Á103
ÎïÖÊ ÈÛµã/¡æ
£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
Í­ 1083
ÂÁ 660
Ǧ 328
Îý 232
ÎïÖÊ ±ÈÈÈÈÝC/[J?£¨kg?¡æ£©-1]
¸ÉÄàÍÁ 0.84¡Á103
Ë® 4.2¡Á103
Í­ 0.39¡Á103
ÂÁ 0.88
ÎïÖÊ ÈÈÖµq/£¨J?kg-1£©
úÓÍ 4.6¡Á107
ľ̿ 3.4¡Á107
Òº»¯Ê¯ÓÍÆø 3.54¡Á107
ÎÞÑÌú 3.4¡Á103

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

СÀò¸ù¾ÝÏÂÁбíÖеÄÊý¾Ý£¬µÃ³öÒÔÏÂËĸö½áÂÛ£¬ÆäÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ÎïÖÊ ÃܶȦÑ/£¨kg m-3£©
£¨³£Î³£Ñ¹Ï£©
ÎïÖÊ ÈÛµã/¡æ£¨ÔÚ±ê×¼´óÆøÑ¹Ï£© ÎïÖÊ ·Ðµã/¡æ£¨ÔÚ±ê×¼´óÆøÑ¹Ï£©
úÓÍ 0.8¡Á103 Í­ 1083 ¾Æ¾« 78.5
´¿Ë® 1.0¡Á103 ¹ÌÌåË®Òø -38.8 Ë® 100
Í­ 8.9¡Á103 Ǧ 328 Ë®Òø 357
ÂÁ 2.7¡Á103 Îý 232 ÒÒÃÑ 35

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸