ÌâÄ¿ÄÚÈÝ
£¨2010?½¹×÷Ä£Ä⣩ϱíÊdz£Î³£Ñ¹ÏÂһЩÎïÖʵÄÃܶȣ¬Çë¸ù¾Ý±íÖÐËùÌáʾµÄÐÅÏ¢»Ø´ðÏÂÃæµÄÎÊÌ⣮
£¨1£©±íÖÐËù¸øµÄÃܶÈÖµ×¢Ã÷ÊÇÔÚ¡°³£Î³£Ñ¹Ï¡±²â³öµÄ£¬ËµÃ÷ÃܶȲ»½öÓëÎïÖʵÄÖÖÀàÓйأ¬»¹ÓëÎïÌåËù´¦µÄζȺÍѹǿÓйأ®²ÂÏ룺һ°ãµØÎïÖÊζÈÔ½¸ß£¬ÆäÃܶÈÔ½
£¨2£©¡°ÎïÖʵÄÃܶÈÓëÆä±¾ÉíµÄ״̬Óйء±£¬ÔÚ±íÖÐÕÒµ½ÄÜ˵Ã÷´Ë¹ÛµãµÄÂÛ¾ÝÊÇ
Îï ÖÊ | ÃܶÈ/ £¨¡Á103kg/m3£© |
ÎïÖÊ | ÃܶÈ/ £¨¡Á103kg/m3£© |
ÎïÖÊ | ÃܶÈ/ £¨¡Á103kg/m3£© | |
¹ÌÌå | Òø | 10.5 | Í | 8.9 | ±ù | 0.9 |
½ð | 19.3 | ¸ÖÌú | 7.9 | ²£Á§ | 2.4¡«2.6 | |
ÒºÌå | ÁòËá | 1.8 | º£Ë® | 1.03 | ´¿Ë® | 1.0 |
С
С
£»£¨2£©¡°ÎïÖʵÄÃܶÈÓëÆä±¾ÉíµÄ״̬Óйء±£¬ÔÚ±íÖÐÕÒµ½ÄÜ˵Ã÷´Ë¹ÛµãµÄÂÛ¾ÝÊÇ
Ë®Óë±ùµÄÃܶȲ»Í¬
Ë®Óë±ùµÄÃܶȲ»Í¬
£®·ÖÎö£º¢Ù½áºÏÌâÒ⣬¸ù¾ÝÎïÌ嶼¾ßÓÐÈÈÕÍÀäËõµÄÐÔÖʺÍÃܶȹ«Ê½¦Ñ=
£¬¼´¿ÉÌá³ö²ÂÏ룻
¢Ú´Ó±íÖпÉ֪ˮµÄÃܶȲ»µÈÓÚ±ùµÄÃܶȣ¬Óɴ˼´¿ÉµÃ³ö½áÂÛ£®
m |
V |
¢Ú´Ó±íÖпÉ֪ˮµÄÃܶȲ»µÈÓÚ±ùµÄÃܶȣ¬Óɴ˼´¿ÉµÃ³ö½áÂÛ£®
½â´ð£º½â£º
¢Ù±íÖÐËù¸øÃܶÈÖµ×¢Ã÷ÊÇÔÚ¡°³£Î³£Ñ¹Ï¡±²â³öµÄ£¬ËµÃ÷ÃܶȲ»½öÓëÎïÖʵÄÖÖÀàÓйأ¬»¹ÓëÎïÌåËù´¦µÄζȺÍѹǿÓйأ®¸ù¾ÝÎïÌ嶼¾ßÓÐÈÈÕÍÀäËõµÄÐÔÖÊ¿ÉÖªÎïÖÊζÈÔ½¸ß£¬Ìå»ýÔ½´ó£¬¸ù¾ÝÃܶȹ«Ê½¦Ñ=
Öª£¬ÎïÖʵÄÖÊÁ¿Ò»¶¨£¬Ìå»ýÔö´ó£¬ÃܶÈÓ¦¸Ã¼õС£®¾Ý´Ë¿ÉÌá³ö²ÂÏ룺һ°ãµØ£¬ÎïÖÊζÈÔ½¸ß£¬ÆäÃܶÈԽС£®
¢Ú´Óͼ±íÖпÉ֪ˮµÄÃܶÈΪ1.0¡Á103kg/m3£¬±ùµÄÃܶÈΪ0.9¡Á103kg/m3£¬ËùÒԿɵóö½áÂÛ£º¡°ÎïÖÊÃܶÈÓëÆä±¾ÉíµÄ״̬Óйء±£®
¹Ê´ð°¸Îª£º£¨1£©Ð¡£»£¨2£©Ë®Óë±ùµÄÃܶȲ»Í¬£®
¢Ù±íÖÐËù¸øÃܶÈÖµ×¢Ã÷ÊÇÔÚ¡°³£Î³£Ñ¹Ï¡±²â³öµÄ£¬ËµÃ÷ÃܶȲ»½öÓëÎïÖʵÄÖÖÀàÓйأ¬»¹ÓëÎïÌåËù´¦µÄζȺÍѹǿÓйأ®¸ù¾ÝÎïÌ嶼¾ßÓÐÈÈÕÍÀäËõµÄÐÔÖÊ¿ÉÖªÎïÖÊζÈÔ½¸ß£¬Ìå»ýÔ½´ó£¬¸ù¾ÝÃܶȹ«Ê½¦Ñ=
m |
V |
¢Ú´Óͼ±íÖпÉ֪ˮµÄÃܶÈΪ1.0¡Á103kg/m3£¬±ùµÄÃܶÈΪ0.9¡Á103kg/m3£¬ËùÒԿɵóö½áÂÛ£º¡°ÎïÖÊÃܶÈÓëÆä±¾ÉíµÄ״̬Óйء±£®
¹Ê´ð°¸Îª£º£¨1£©Ð¡£»£¨2£©Ë®Óë±ùµÄÃܶȲ»Í¬£®
µãÆÀ£º´ËÌ⿼²éµÄÊÇÃܶÈÓëζȡ¢×´Ì¬µÄ¹Øϵ£¬ÐèÒªÇå³þµÄÊÇ£ºÃܶÈÊÇÎïÖʵÄÌØÐÔ£¬ÓëÎïÖÊÖÖÀࡢζȡ¢×´Ì¬Óйأ¬ÓëÎïÖʶàÉÙûÓйØϵ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿