6£®½­½òÇø³Ç¹Ü¾Ö½üÈÕÐÂÌíµÄ³ÇÊйÜÀí¡°ÀûÆ÷¡±-Îí»¯³ý³¾³µ£¬ÈçͼËùʾ£¬Æä¾ßÓÐÎü¸½»Ò³¾¹¦ÄÜ£¬ÒÖ³¾Ð§¹ûºÃ£¬ËäÔÚ¶ÌÆÚÄÚ²»Äܸù³ýÎíö²£¬µ«¶Ô¿ÕÆøÖÊÁ¿µÄ¸ÄÉÆÒ²ÊÇÏÔ¶øÒ×¼ûµÄ£®¡°ÎíÅÚ¡±¾ÍÊdzµÔØ×îºó¶ÎµÄ²¿·Ö£¬Íâ¹Û¿´ÉÏÈ¥ÐÎÈçÅÚͲ£®Ëüͨ¹ý½«Ë®ÏäÖеÄË®Îí»¯³ÉÖ±¾¶µÍÓÚ60΢Ã׵ĸÉÎí£¬¾­¹ý³¬¸ßѹÅçÉä×°Öý«¸ÉÎíÅçÈ÷ÖÁ¿ÕÖУ®Ê¹ÆäË®·Ö×ÓÍÅ¿ÉÒÔÖ±½ÓÎü¸½¡¢°ü¹üÎíö²¿ÅÁ££¬Ö±ÖÁ¿ÅÁ£ÖØÁ¿Ôö¼Ó£¬Âäµ½µØÃ森ÎíÅÚÖ÷Òª¿ÉÒÔ½µµÍ¿ÕÆøÖеÄPM2.5ºÍPM10¡¢·Û³¾¡¢¶þÑõ»¯ÁòµÈÐü¸¡¿ÅÁ£ÎïŨ¶È£¬´ËÍ⣬¡°ÎíÅÚ¡±Åç³öÎí×´µÄË®£¬¼ÓËÙË®µÄÕô·¢£¬ÔÚÏÄÌ컹¿ÉÒÔÆðµ½½µÎµÄ×÷Óã®
ʾÀý£º
ÎïÀíÐÅÏ¢£º¿ÅÁ£ÖØÁ¿Ôö¼Ó£¬Âäµ½µØÃæ
ÎïÀí֪ʶ£º¿ÅÁ£Êܵ½ÖØÁ¦µÄ×÷ÓÃ
½â´ð£º
ÎïÀíÏÖÏ󣺡°ÎíÅÚ¡±Åç³öÎí×´µÄË®£¬¼ÓËÙË®µÄÕô·¢£¬ÔÚÏÄÌ컹¿ÉÒÔÆðµ½½µÎµÄ×÷Óã®
ÎïÀí֪ʶ£ºÎí×´µÄË®£¬Ôö´óÁËË®µÄ±íÃæ»ý£¬¼ÓËÙÁËË®µÄÕô·¢£¬Õô·¢ÎüÈÈ£®

·ÖÎö ¿ÉÒÔ´ÓÓ°ÏìÕô·¢µÄÒòËغÍÕô·¢ÎüÈȵĽǶÈÕÒ³öÎïÀíÏÖÏó²¢½âÊÍ£®

½â´ð ½â£º
ÎïÀíÏÖÏóÓУº¡°ÎíÅÚ¡±Åç³öÎí×´µÄË®£¬¼ÓËÙË®µÄÕô·¢£¬ÔÚÏÄÌ컹¿ÉÒÔÆðµ½½µÎµÄ×÷Óã»
ÆäÀûÓõÄÎïÀí֪ʶ£º¡°ÎíÅÚ¡±Åç³öÎí×´µÄË®£¬Ôö´óÁËË®µÄ±íÃæ»ý£¬¼ÓËÙÁËË®µÄÕô·¢£¬Õô·¢ÎüÈÈ£¬¿ÉÆðµ½½µÎµÄ×÷Óã®
¹Ê´ð°¸Îª£º
¡°ÎíÅÚ¡±Åç³öÎí×´µÄË®£¬¼ÓËÙË®µÄÕô·¢£¬ÔÚÏÄÌ컹¿ÉÒÔÆðµ½½µÎµÄ×÷Óã»
Îí×´µÄË®£¬Ôö´óÁËË®µÄ±íÃæ»ý£¬¼ÓËÙÁËË®µÄÕô·¢£¬Õô·¢ÎüÈÈ£®

µãÆÀ ±¾Ìâͨ¹ýÎïÀí²ÄÁÏÌáÁ¶ÆäÖеÄÎïÀíÏÖÏ󣬲¢½øÐнâÊÍ£®ÌåÏÖÁËÎïÀíÓëÉú»îµÄÁªÏµ£¬ÄѶȲ»´ó£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

16£®Ä³Êеġ¶Öп¼ÆÚ¼ä½ûÔë·½°¸¡·Öй涨£º6ÔÂ16ÈÕÖÁ6ÔÂ18ÈÕÖп¼ÆÚ¼ä¸÷¿¼µãµÄÔëÉù²»³¬¹ý45·Ö±´£¨dB£©£¨Ì룩£®ÕýÔÚ¼ÒÖи´Ï°¹¦¿ÎµÄСÃ÷£¬Ìýµ½´°Íâ´«À´ÁËÒôÀÖÉù£¬Ëû¸ù¾ÝÌýµ½ÉùÒôµÄÒôÉ«ÅжϳöÕâÊǸÖÇÙÉù£¬¸ù¾ÝÌýµ½ÉùÒôµÄÏì¶ÈÅжϳö¸ÖÇÙÀë×Ô¼ºµÄÔ¶½ü£®ÓÚÊǹØÉÏ´°»§£¬ÕâÊÇÔÚ´«²¥¹ý³ÌÖмõÈõÔëÉù£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

17£®´óÑ©Ôì³ÉºÜ¶à·¿ÎÝ¿åËú£¬Ð¡Ã÷ÏëÖªµÀÎݶ¥µÄÑ©µ½µ×ÓжàÖØ£¬ËûÕÒÀ´Æ÷²Ä½øÐÐÁ˲âÁ¿£º
£¨1£©¢ÙÓõ¯»É²âÁ¦¼Æ²â³ö¿Õ±­×ÓÖØÁ¦Îª0.2N£»
¢Ú½«±­×ÓÀï×°ÂúË®£¬Óõ¯»É²âÁ¦¼Æ²â³ö×ÜÖØ£¬ÈçͼΪ2.2N£¬
¢Û½«±­×ÓÀï×°ÂúÑ©µÄÑùÆ·£¬Óõ¯»É²âÁ¦¼Æ²â³ö×ÜÖØΪ0.8N£®±­ÖÐÑ©µÄÑùÆ·Ìå»ýÊÇ
200cm3£¬Ñ©µÄÑùÆ·ÃܶÈÊÇ0.3¡Á103kg/m3£®
£¨2£©ÈôÎݶ¥Ãæ»ýΪ100m2£¬Ñ©µÄºñ¶ÈΪ10cm£¬ÔòÎݶ¥Ñ©µÄ×ÜÖØÁ¦ÊÇ3¡Á104N£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

14£®Ò»Ö§¿Ì¶È¾ùÔȵÄζȼƣ¬½«Ëü²åÈë±ùË®»ìºÏÎïÖÐʾÊýΪ15¡ãC£»°ÑËü²åÈë1±ê×¼´óÆøѹÏ·ÐË®ÖУ¬Ê¾ÊýΪ95¡ãC£¬Èç¹û½«Ëü²åÈëijÖÖÒºÌåÊýΪ35¡ãC£¬Ôò´ËÒºÌåʵ¼ÊζÈΪ25¡æ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

1£®ÏÂÁÐÊý¾ÝÖУ¬×î½Ó½üÉú»îʵ¼ÊµÄÊÇ£¨¡¡¡¡£©
A£®³õÈýÎïÀí¿Î±¾µÄ¿í¶ÈԼΪ18cm
B£®¼ÒÓõç±ùÏäÕý³£¹¤×÷ʱ£¬Á÷¹ý±ùÏäµÄµçÁ÷ԼΪ10A
C£®ÈËÕý³£²½ÐеÄËÙ¶ÈԼΪ10m/s
D£®ÈËÕý³£Õ£Ò»´ÎÑÛ¾¦ËùÓÃʱ¼äԼΪ10s

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

11£®Á½¸öÔ²ÖùÐÎÈÝÆ÷ÖÐÊ¢Óмס¢ÒÒÁ½ÖÖ²»Í¬µÄÒºÌ壬ҺÃæλÖÃÈçͼËùʾ£¬ÒºÌå¶ÔÁ½¸öÈÝÆ÷µ×µÄѹǿÏàµÈ£¬ÏÖ½«Á½¸öÖÊÁ¿ÏàµÈµÄÎïÌå·Ö±ð·ÅÈëÁ½¸öÈÝÆ÷ÖУ¨ÒºÌå¾ùÎÞÒç³ö£©£¬¾²Ö¹Ê±£¬¼×ÒºÌåÖÐÎïÌåƯ¸¡£¬ÒÒÒºÌåÖÐÎïÌåÐü¸¡£¬ÔòÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨¡¡¡¡£©
A£®¼×ÒºÌåµÄÃܶȴóÓÚÒÒÒºÌåµÄÃܶÈ
B£®¼×ÒºÌåµÄÖÊÁ¿µÈÓÚÒÒÒºÌåµÄÖÊÁ¿
C£®¼×¡¢ÒÒÁ½ÒºÌåÖеÄÎïÌåÊܵ½µÄ¸¡Á¦ÏàµÈ
D£®·ÅÈëÎïÌåºó¼×ÒºÌå¶ÔÈÝÆ÷µ×µÄѹǿСÓÚÒÒÒºÌå¶ÔÈÝÆ÷µ×µÄѹǿ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

18£®Ò»¸öÄÜ×°500gË®µÄ²£Á§Æ¿£¬×°ÂúË®ºóµÄ×ÜÖÊÁ¿ÊÇ750g£¬ÓøÃƿװÃܶÈÊÇ0.8g/cm3µÄ¾Æ¾«£¬Ôò×°Âú¾Æ¾«ºóµÄ×ÜÖÊÁ¿Îª650g£®£¨¦Ñ¾Æ¾«=0.8¡Á103kg/m3£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

15£®Ä³Í¬Ñ§²âʯ¿éÃܶÈʱ£¬ÏÈÓÃÌìƽ²âʯ¿éµÄÖÊÁ¿£®Ììƽƽºâʱ£¬ÓÒÅÌÄÚíÀÂëµÄÖÊÁ¿¼°ÓÎÂëËùÔÚµÄλÖÃÈçͼ£¨a£©Ëùʾ£¬Ê¯¿éµÄÖÊÁ¿Îª84g£»ÔÙÓÃÁ¿Í²²âʯ¿éµÄÌå»ý£¬Èçͼ£¨b£©Ëùʾ£¬Ê¯¿éµÄÌå»ýΪ20cm3£»Ôòʯ¿éµÄÃܶÈΪ4.2¡Á103kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

16£®Å©´åµçÍø¸ÄÔì¹ý³ÌÖУ¬½«Ï¸µ¼Ïß»»³É´Öµ¼Ïߣ®ÕâÖÖ·½·¨ÊÇͨ¹ýÔö´óµ¼ÌåµÄºá½ØÃæ»ýÀ´¼õСµç×裮µ¼Ìåµç×è²»½öÓëµ¼Ìå²ÄÁϺͺá½ØÃæ»ýÓйأ¬»¹Ó볤¶ÈÓйأ¨²»¿¼ÂÇζȶԵç×èµÄÓ°Ï죩£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸