£¨6·Ö£©ÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±ÊµÑéÖУ¬½«4mLµÄ´¿ÓÍËáÈÜÒºµÎÈë20LÎÞË®¾Æ¾«ÈÜÒºÖгä·Ö»ìºÏ¡£×¢ÉäÆ÷ÖÐ1mLµÄÉÏÊö»ìºÏÈÜÒº¿É·Ö50µÎ¾ùÔȵγö£¬½«ÆäÖеÄ1µÎµÎÈëʢˮµÄdzÅÌÀ´ýË®ÃæÎȶ¨ºó£¬½«²£Á§°å·ÅÔÚdzÅÌÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄÂÖÀª£¬Ëæºó°Ñ²£Á§°å·ÅÔÚ×ø±êÖ½ÉÏ£¬ÆäÐÎ×´ÈçͼËùʾ£¬×ø±êÖ½ÉÏÕý·½ÐÎС·½¸ñµÄ±ß³¤Îª10mm¡£

£¨1£©ÓÍËáĤµÄÃæ»ýÔ¼ÊÇ___________m2£»

£¨2£©ÓÉ´Ë¿ÉÒÔÇó³öÓÍËá·Ö×ÓµÄÖ±¾¶__________ m¡££¨½á¹û¾ùȡһλÓÐЧÊý×Ö£©¡£

 

£¨1£©£¨»ò£©£¨3·Ö£©£»£¨2£©£¨»ò£©£¨3·Ö£©

½âÎö:

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±µÄʵÑéÖУ¬ËùÓõÄÓÍËá¾Æ¾«ÈÜÒºµÄŨ¶ÈΪÿ 1000mLÈÜÒºÖÐÓд¿ÓÍËá0.6mL£¬ÓÃ×¢ÉäÆ÷²âµÃ l mLÉÏÊöÈÜÒºÓÐ80µÎ£¬°Ñ1µÎ¸ÃÈÜÒºµÎÈëʢˮµÄdzÅÌÄÚ£¬ÈÃÓÍĤÔÚË®ÃæÉϾ¡¿ÉÄÜÉ¢¿ª£¬µÃµ½ÓÍËᱡĤµÄÂÖÀªÐÎ×´ºÍ³ß´çÈçͼËùʾ£¬Í¼ÖÐÕý·½ÐθñµÄ±ß³¤Îª1cm£¬Ôò¿ÉÇóµÃ£º
£¨1£©ÓÍËᱡĤµÄÃæ»ýÊÇ
 
cm2£®
£¨2£©ÓÍËá·Ö×ÓµÄÖ±¾¶ÊÇ
 
 m£®£¨½á¹û±£ÁôÁ½Î»ÓÐ
ЧÊý×Ö£©
£¨3£©ÀûÓõ¥·Ö×ÓÓÍĤ·¨¿ÉÒÔ´Ö²â·Ö×ӵĴóСºÍ°¢·ü¼ÓµÂÂÞ³£Êý£®Èç¹ûÒÑÖªÌå»ýΪVµÄÒ»µÎÓÍÔÚË®ÃæÉÏÉ¢¿ªÐγɵĵ¥·Ö×ÓÓÍĤµÄÃæ»ýΪS£¬ÕâÖÖÓ͵ÄÃܶÈΪ¦Ñ£¬Ä¦¶ûÖÊÁ¿ÎªM£¬Ôò°¢·ü¼ÓµÂÂÞ³£ÊýµÄ±í´ïʽΪ
 
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?»³»¯¶þÄ££©ÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×ӵĴóС¡±µÄʵÑéÖУ¬ÒÑÖªÒ»µÎÈÜÒºÖÐÓÍËáµÄÌå»ýΪV£¬ÅäÖƵÄÓÍËáÈÜÒºÖУ¬´¿ÓÍËáÓëÈÜÒºÌå»ýÖ®±ÈΪ1£º500£¬1mLÈÜÒºº¬250µÎ£®ÄÇôһµÎÈÜÒºÖд¿ÓÍËáÌå»ýΪV=
cm3£»¸ÃʵÑéÖÐÓÍĤºñ¶ÈdÓëÓÍËá·Ö×ÓÖ±¾¶DµÄ¹ØϵÊÇ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×ӵĴóС¡±µÄʵÑéÖУ¬¼ºÖªÅäÖƵÄÓÍËáÈÜÒºÖУ¬´¿ÓÍËáÓëÓÍËáÈÜÒºÌå»ýÖ®±ÈΪ1£º500£¬25µÎÓÍËáÈÜÒºÓÐ1mL£¬ÎÊ£ºlµÎÈÜÒºµÄÌå»ýÓÐ
0.04
0.04
mL£¬1µÎÓÍËáÈÜÒºÖд¿ÓÍËáµÄÌå»ýV=
8¡Á10-5
8¡Á10-5
mL£¬ÈôʵÑéÖвâµÃ1µÎÓÍËáĤµÄÃæ»ýΪ533cm2£¬ÔòËù²âÓÍËá·Ö×ÓµÄÖ±¾¶Îª
1.6¡Á10-9
1.6¡Á10-9
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×ӵĴóС¡±ÊµÑéÖУ¬ÓÃ×¢ÉäÆ÷½«Ò»µÎÓÍËáÈÜÒºµÎÈëʢˮµÄdzÅÌÀ´ýË®ÃæÎȶ¨ºó£¬½«²£Á§°å·ÅÔÚdzÅÌÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄÂÖÀª£¬Ëæºó°Ñ²£Á§°å·ÅÔÚ×ø±êÖ½ÉÏ£¬ÆäÐÎ×´ÈçͼËùʾ£¬×ø±êÖ½ÉÏÕý·½ÐÎС·½¸ñµÄ±ß³¤Îª10mm£¬¸ÃÓÍËáĤµÄÃæ»ýÊÇ
 
m2£»ÈôÒ»µÎÓÍËá¾Æ¾«ÈÜÒºÖк¬Óд¿ÓÍËáµÄÌå»ýÊÇ4¡Á10-6 mL£¬ÔòÓÍËá·Ö×ÓµÄÖ±¾¶ÊÇ
 
m£®£¨ÉÏÊö½á¹û¾ù±£Áô1λÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÔÚ¡°ÓÃÓÍĤ·¨¹À²â·Ö×Ó´óС¡±ÊµÑéÖУ¬½«4mLµÄ´¿ÓÍËáÈÜÒºµÎÈë20LÎÞË®¾Æ¾«ÈÜÒºÖгä·Ö»ìºÏ£®×¢ÉäÆ÷ÖÐ1mLµÄÉÏÊö»ìºÏÈÜÒº¿É·Ö50µÎ¾ùÔȵγö£¬½«ÆäÖеÄ1µÎµÎÈëʢˮµÄdzÅÌÀ´ýË®ÃæÎȶ¨ºó£¬½«²£Á§°å·ÅÔÚdzÅÌÉÏ£¬ÔÚ²£Á§°åÉÏÃè³öÓÍĤµÄÂÖÀª£¬Ëæºó°Ñ²£Á§°å·ÅÔÚ×ø±êÖ½ÉÏ£¬ÆäÐÎ×´ÈçͼËùʾ£¬×ø±êÖ½ÉÏÕý·½ÐÎС·½¸ñµÄ±ß³¤Îª10mm£®
£¨1£©ÓÍËáĤµÄÃæ»ýÔ¼ÊÇ
 
m2£»
£¨2£©ÓÉ´Ë¿ÉÒÔÇó³öÓÍËá·Ö×ÓµÄÖ±¾¶
 
 m£®£¨½á¹û¾ùȡһλÓÐЧÊý×Ö£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸