ÌâÄ¿ÄÚÈÝ
£¨2011?Ðì»ãÇøһģ£©ÎªÁË¡°ÑéÖ¤°¢»ùÃ×µÂÔÀí¡±£¬Ð¡Ã÷ÓëͬѧһÆð½øÐÐÁËʵÑ飮ËûÃÇÓõ¯»É²âÁ¦¼Æ¡¢Á¿Í²¡¢Ë®¡¢½ðÊô¿éµÈÆ÷²Ä£¬°´ÈçͼËùʾµÄʵÑé·½·¨²âÁ¿ÁËʵÑéÊý¾Ý£¬²¢½«ÊµÑéÊý¾Ý¼Ç¼ÔÚ±í¸ñÖУ®
¢ÙÇëд³öʵÑéÄ¿µÄ£º
¢ÚΪÁËÄÜÖ±½Ó¶Ô±í¸ñÖеÄÊý¾Ý½øÐзÖÎö±È½Ï£¬±í¸ñÖв»µ«¼Ç¼ÁËÔʼµÄʵÑéÊý¾Ý£¬»¹¼Ç¼Á˾¼ÆËãºóµÃµ½µÄÊý¾Ý£¬ÈçµÚ5ÁÐÖеģ¨F1-F2£©£®Çë¸ù¾ÝʵÑéÄ¿µÄ£¬½áºÏÈçͼËùʾµÄʵÑé·½·¨£¬½«ÊµÑéÊý¾Ý¼Ç¼±í¸ñµÄÊ×ÐÐÌîÍêÕû£®
¢Û±í¸ñÖУ¨F1-F2£©±íʾµÄÊÇ
¢ÜΪÁË»ñµÃ³ä×ãµÄÊý¾ÝÀ´¡°ÑéÖ¤°¢»ùÃ×µÂÔÀí¡±£¬»¹Ó¦¸Ã
¢ÙÇëд³öʵÑéÄ¿µÄ£º
¶¨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ
¶¨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ
£®¢ÚΪÁËÄÜÖ±½Ó¶Ô±í¸ñÖеÄÊý¾Ý½øÐзÖÎö±È½Ï£¬±í¸ñÖв»µ«¼Ç¼ÁËÔʼµÄʵÑéÊý¾Ý£¬»¹¼Ç¼Á˾¼ÆËãºóµÃµ½µÄÊý¾Ý£¬ÈçµÚ5ÁÐÖеģ¨F1-F2£©£®Çë¸ù¾ÝʵÑéÄ¿µÄ£¬½áºÏÈçͼËùʾµÄʵÑé·½·¨£¬½«ÊµÑéÊý¾Ý¼Ç¼±í¸ñµÄÊ×ÐÐÌîÍêÕû£®
ʵÑéÐòºÅ | ÒºÌåµÄÃܶȣ¨g/cm3£© | F1 £¨N£© | F2 £¨N£© | F1-F2£¨N£© | V1£¨cm3£© | V2£¨cm3£© | V2-V1 V2-V1 |
¦ÑÒºg£¨V2-V1£© ¦ÑÒºg£¨V2-V1£© |
1 | 1 | ------ | ----- | ------- | ------- | ------- | ------- | ------- |
2 | 1 | ------ | ----- | ------- | ------- | ------- | ------- | ------- |
3 | 1 | ------ | ----- | ------- | ------- | ------- | ------- | ------- |
½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦
½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦
£®¢ÜΪÁË»ñµÃ³ä×ãµÄÊý¾ÝÀ´¡°ÑéÖ¤°¢»ùÃ×µÂÔÀí¡±£¬»¹Ó¦¸Ã
ÓÃÆäËüÒºÌå
ÓÃÆäËüÒºÌå
×öʵÑ飮·ÖÎö£º¢Ù¸ù¾Ý°¢»ùÃ×µÂÔÀíµÄÄÚÈݻشðʵÑéÄ¿µÄ£»
¢Ú¢ÛʵÑéÖÐÐèÒªÀûÓóÆÖØ·¨²â³ö¸¡Á¦F¸¡=G-Fʾ£»²â³öÅÅ¿ªÒºÌåµÄÌå»ý£¬ÀûÓÃÃܶȹ«Ê½ºÍÖØÁ¦¹«Ê½Çó³öÅÅ¿ªÒºÌåÖØ£»Óɴ˵óöF¸¡ÓëGÅŵĹØϵ£»
¢ÜΪÁËʹʵÑé½áÂÛ¾ßÓÐÆÕ±éÐÔ£¬Òª»»ÓÃÆäËüÒºÌåÔÙ×ö¼¸´ÎʵÑ飮
¢Ú¢ÛʵÑéÖÐÐèÒªÀûÓóÆÖØ·¨²â³ö¸¡Á¦F¸¡=G-Fʾ£»²â³öÅÅ¿ªÒºÌåµÄÌå»ý£¬ÀûÓÃÃܶȹ«Ê½ºÍÖØÁ¦¹«Ê½Çó³öÅÅ¿ªÒºÌåÖØ£»Óɴ˵óöF¸¡ÓëGÅŵĹØϵ£»
¢ÜΪÁËʹʵÑé½áÂÛ¾ßÓÐÆÕ±éÐÔ£¬Òª»»ÓÃÆäËüÒºÌåÔÙ×ö¼¸´ÎʵÑ飮
½â´ð£º½â£º
¢Ù±¾ÊµÑ鶨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ£»
¢ÚÇó³öÅÅ¿ªÒºÌåµÄÌå»ýVÅÅ=V2-V1£¬ÅÅ¿ªÒºÌåµÄÖØÁ¦GÅÅ=mÅÅg=¦ÑÒºg£¨V2-V1£©£»
¢ÛF1ΪÔÚ¿ÕÆøÖгÆÖØ£¬F2Êǽ«½ðÊô¿é½þûˮÖеóöµÄµ¯»É²âÁ¦¼ÆµÄʾÊý£¬Ôò½ðÊô¿éÊܵ½ÊÇÒºÌåµÄ¸¡Á¦F¸¡=F1-F2£»
¢Ü»»ÓÃÆäËüÒºÌ壬ÔÙ×ö¼¸´ÎʵÑ飬ʹʵÑé½áÂÛ¸ü¿É¿¿£®
¹Ê´ð°¸Îª£º¢Ù¶¨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ£»¢Ú£¨V2-V1£©£»¦ÑÒºg£¨V2-V1£©£»¢Û½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦£»¢ÜÓÃÆäËüÒºÌ壮
¢Ù±¾ÊµÑ鶨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ£»
¢ÚÇó³öÅÅ¿ªÒºÌåµÄÌå»ýVÅÅ=V2-V1£¬ÅÅ¿ªÒºÌåµÄÖØÁ¦GÅÅ=mÅÅg=¦ÑÒºg£¨V2-V1£©£»
¢ÛF1ΪÔÚ¿ÕÆøÖгÆÖØ£¬F2Êǽ«½ðÊô¿é½þûˮÖеóöµÄµ¯»É²âÁ¦¼ÆµÄʾÊý£¬Ôò½ðÊô¿éÊܵ½ÊÇÒºÌåµÄ¸¡Á¦F¸¡=F1-F2£»
¢Ü»»ÓÃÆäËüÒºÌ壬ÔÙ×ö¼¸´ÎʵÑ飬ʹʵÑé½áÂÛ¸ü¿É¿¿£®
¹Ê´ð°¸Îª£º¢Ù¶¨Á¿Ñо¿½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÓëËüÅÅ¿ªµÄÒºÌåËùÊÜÖØÁ¦Ö®¼äµÄ¹Øϵ£»¢Ú£¨V2-V1£©£»¦ÑÒºg£¨V2-V1£©£»¢Û½þÔÚÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦£»¢ÜÓÃÆäËüÒºÌ壮
µãÆÀ£º°¢»ùÃ×µÂÔÀíʵÑéÊÇÁ¦Ñ§µÄÖØҪʵÑéÖ®Ò»£¬ÎªÁ˱£Ö¤Êý¾Ý׼ȷ¡¢½áÂÛ¿É¿¿£¬Ó¦Ñ¡Óò»Í¬µÄÒºÌå½øÐÐʵÑ飬²¢ÔÚ²âÁ¿¹ý³ÌÖй淶²Ù×÷£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿