| ²é¿´: 2635 | »Ø¸´: 2 | |||
[½»Á÷]
¡¾ÇóÖú¡¿Ã÷½º-°¢À²®½º¸´Äý¾Û·¨ÖƱ¸Î¢ÄÒʵÑéÇóÖú
|
|
1£®¸´Äý¾Û·¨ÖƱ¸ÒºÌåʯÀ¯Î¢ÄÒ ´¦·½£º ÒºÌåʯÀ¯£¨¦Ñ=0.91£© 6ml °¢À²®½º 5g Ã÷ ½º 5g 37%¼×È©ÈÜÒº 2.5ml 10%´×ËáÈÜÒº ÊÊÁ¿ 20%NaOHÈÜÒº ÊÊÁ¿ ÕôÁóË® ÊÊÁ¿ 2£®²Ù×÷ £¨1£©Ã÷½ºÈÜÒºµÄÅäÖÆ£º³ÆÈ¡Ã÷½º5g£¬ÓÃÕôÁóË®ÊÊÁ¿½þÅÝÈÜÕͺ󣬼ÓÈÈÈܽ⣬¼ÓÕôÁóË®ÖÁ100ml£¬½ÁÔÈ£¬50¡æ±£Î±¸Óᣠ£¨2£©°¢À²®½ºÈÜÒºµÄÅäÖÆ£ºÈ¡ÕôÁóË®80mlÖÃСÉÕ±ÖУ¬¼Ó°¢À²®½º·ÛÄ©5g£¬¼ÓÈÈÖÁ80¡æ×óÓÒ£¬ÇáÇá½Á°èʹÈܽ⣬¼ÓÕôÁóË®ÖÁ100ml¡£ £¨3£©ÒºÌåʯÀ¯Èé¼ÁµÄÖÆ±¸£ºÈ¡ÒºÌåʯÀ¯6mlÓë5%°¢À²®½ºÈÜÒº100mlÖÃ×éÖ¯µ·Ëé»úÖУ¬È黯10ÃëÖÓ£¬¼´µÃÈé¼Á¡£ £¨4£©Èé¼Á¾µ¼ì£ºÈ¡ÒºÌåʯÀ¯Èé¼ÁÒ»µÎ£¬ÖÃÔØ²£Æ¬ÉϾµ¼ì£¬»æÖÆÈé¼ÁÐÎ̬ͼ¡£ £¨5£©»ìºÏ£º½«ÒºÌåʯÀ¯ÈéתÈë1000mlÉÕ±ÖУ¬ÖÃ50¡«55¡æË®Ô¡ÉϼÓ5%Ã÷½ºÈÜÒº100ml£¬ÇáÇá½Á°èʹ»ìºÏ¾ùÔÈ¡£ £¨6£©Î¢ÄÒµÄÖÆ±¸£ºÔÚ²»¶Ï½Á°èÏ£¬µÎ¼Ó10%´×ËáÈÜÒºÓÚ»ìºÏÒºÖУ¬µ÷½ÚpHÖÁ3.8¡«4.0£¨¹ã·ºÊÔÖ½£©¡£ £¨7£©Î¢ÄҵĹ̻¯£ºÔÚ²»¶Ï½Á°èÏ£¬½«Ô¼30¡æÕôÁóË®400ml¼ÓÖÁ΢ÄÒÒºÖУ¬½«º¬Î¢ÄÒÒºµÄÉÕ±×Ô50¡«55¡æË®Ô¡ÖÐȡϣ¬²»Í£½Á°è£¬×ÔÈ»ÀäÈ´£¬´ýζÈΪ32¡«35¡æÊ±£¬¼ÓÈë±ù¿é£¬¼ÌÐø½Á°èÖÁζÈΪ10¡æÒÔÏ£¬¼ÓÈë37%¼×È©ÈÜÒº2.5ml£¨ÓÃÕôÁóˮϡÊÍÒ»±¶£©£¬½Á°è15min£¬ÔÙÓÃ20%NaOHÈÜÒºµ÷ÆäpH8¡«9£¬¼ÌÐø½Á°è20min,¹Û²ìÖÁÎö³öΪֹ£¬¾²Öôý΢ÄÒ³Á½µ¡£ £¨8£©¾µ¼ì£ºÏÔ΢¾µÏ¹۲ì΢ÄÒµÄÐÎ̬²¢»æÖÆÎ¢ÄÒÐÎ̬ͼ£¬¼Ç¼΢ÄҵĴóС£¨×î´óºÍ×î¶àÁ£¾¶£©¡£ £¨9£©¹ýÂË£¨»ò˦¸É£©£º´ý΢ÄÒ³Á½µÍêÈ«£¬ÇãÈ¥ÉÏÇåÒº£¬¹ýÂË£¨»ò˦¸É£©£¬Î¢ÄÒÓÃÕôÁóˮϴÖÁÎÞ¼×ȩ棬³é¸É£¬¼´µÃ¡£ ÕâÊÇÒ»¸ö¾µäµÄѧÉúʵÑ飬¿ÉÊÇÎÒÏÖÔÚ°´ÕÕÕâ¸ö·½·¨×ö£¬È´³öÏÖÁËÎÊÌ⣬ÇóÖú µÚÒ»£ºÎÒ¾²Ö÷ֲãºó£¬ÉϲãΪÇåÒº£¬Ï²ãΪµ»ÆÉ«½º×´Î³éÂËÖ®ºó£¬³éÂËÉϲãΪ½º×´Î²¢Îª³öÏÖ·ÛÄ©£¬ºÎ½â£¿¡¢ µÚ¶þ£ºÏ²㽺״ÎïÏÔ΢¹Û²ì£¬Äܹ»¿´¼ûÔ²ÐÎÄÒ×´Îµ«ÊǶ¼¾Û¼¯ÔÚÒ»Æð£¬²»·ÖÉ¢£¬Ê²Ã´ÔÒò£¿ µÚÈý£º½Á°èËٶȶÔÁ£¾¶Ó°ÏìºÜ´óÂð£¿Ëٶȶà´óΪºÃ£¿£¿ ¿ÒÇë¸ßÈ˻شð£¬ÄÖÐÄÖÐ.... |
» ²ÂÄãϲ»¶
²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö
ÒѾÓÐ8È˻ظ´
±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶
ÒѾÓÐ21È˻ظ´
265Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§337Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
350Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
295¸´ÊÔµ÷¼Á
ÒѾÓÐ8È˻ظ´
0817 »¯Ñ§¹¤³Ì 299·ÖÇóµ÷¼Á ÓпÆÑоÀú ÓжþÇøÎÄÕÂ
ÒѾÓÐ22È˻ظ´
287Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
329Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
¡¾×ªÌû¡¿2010Äêִҵҩʦ×ʸñ¿¼ÊÔÒ©¼Áѧ֪ʶ¿¼µã×ܽá
ÒѾÓÐ5È˻ظ´
» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:
ÉÜÐË´óѧ²©Ê¿½ÌʦÕÐÆ¸1루»¯Ñ§»¯¹¤Ïà¹Ø£©
+5/295
Æí¸£Öбê
+1/240
¸£½¨Ê¦·¶´óѧҶӦÏé¿ÎÌâ×éÕÐÊÕ2026¼¶²©Ê¿Ñо¿Éú
+2/166
ÉîÛÚ¼¼Êõ´óѧ¼¯³Éµç·Óë¹âµçоƬѧԺºÂ¿¡½Ü¿ÎÌâ×é³ÏƸ²©Ê¿ºó¡¢Ñо¿ÖúÀí¡¢·ÃÎÊѧÉú
+2/116
ÕÐÊÕ²ÄÁÏÓ뻯ѧÏà¹Ø×¨ÒµË¶Ê¿Ñо¿Éú
+1/86
˫һÁ÷ÄϾ©Ò½¿Æ´óѧÕмÆËã»ú¡¢AI¡¢Í³¼Æ¡¢ÉúÎïÐÅÏ¢µÈ·½Ïò26Äê9ÔÂÈëѧ²©Ê¿
+1/83
ÓÐûÓÐÔÚÏã¸ÛµÄ³æÓѰ¡
+1/74
Çൺ¸ßУ Ñо¿ÉúÕÐÉú
+1/49
0854µç×ÓÐÅÏ¢µ÷¼Á£¬ÃöÄÏʦ´ó¹âµçоƬÑз¢ÊµÑéÊÒ£¬¿ÂÉÙÓ±½ÌÊÚ¿ÎÌâ×飬¼¯³Éµç·
+1/36
ßÅßáÃÀÐÁÔÁÏÒ©ºÏ³É½»Á÷
+1/36
ͬ¼Ã´óѧ»·¾³Ñ§Ôº Ð¤Ù»ÌØÆ¸Ñо¿Ô±¿ÎÌâ×é ÕÐÆ¸Ë¶Ê¿/²©Ê¿£¨³¤ÆÚÓÐЧ£©
+1/32
Öйú¿ÆÑ§Ôºº¼ÖÝҽѧÑо¿Ëùñû½½¿ÎÌâ×éÕÐÆ¸²©Ê¿ºó
+1/31
ÕÐÆ¸¿ÆÑÐÖúÀí¡ª¡ª´¢ÄÜ·½Ïò£¨´¢ÄÜ¡¢Á÷Ìå´«ÈÈ¡¢CFDÄ£Ä⣩
+1/16
±±¾©º½¿Õº½Ìì´óѧÕÐÉú΢Á÷¿ØÓëÖÇÄÜ´òÓ¡¼¼Êõ·½Ïò²©Ê¿Ñо¿Éú
+2/12
¡¾2026²©Ê¿ÕÐÉú/²©ºóÕÐÆ¸¡¿±±¾©º½¿Õº½Ìì´óѧÅ˱ë¿ÎÌâ×顪¡ªAIоƬÉè¼Æ·½Ïò
+1/11
¡¾²©Ê¿ÕÐÉú¡¿Î人¿Æ¼¼´óѧÕÐÊÕ²ÄÁÏ¡¢»¯¹¤¡¢»·¾³¡¢Ò±½ðÀà2026Äê¡°ÉêÇë-¿¼ºË¡±ÖƲ©Ê¿Éú
+1/7
ÕÐÊÕ»¯¹¤Óë²ÄÁÏѧ¿ÆµãÑо¿Éú
+1/4
¶àÂ×¶à´óѧ & Synetic Labs Õв©Ê¿ºó/Ñо¿Ô±
+1/2
ÇóÈÕÓï»úеµ÷¼Á£¬Ò»Ö¾Ô¸³¤°²´óѧר˶332
+1/2
Õò½Íжû»¯Ñ§ÓлúºÏ³ÉÑз¢¸Úλ¹¤×÷»ú»á
+1/1
2Â¥2011-03-27 00:52:49
¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
karl2100(½ð±Ò+1): ¶àлָ½Ì£¡ 2011-10-19 22:23:50
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
karl2100(½ð±Ò+1): ¶àлָ½Ì£¡ 2011-10-19 22:23:50
| ¾ÛÔÚÒ»ÆðÊÇÒòΪ½Á°èËٶȹýС£¬Î¢ÄÒµÄÖÆ±¸ÔÀíÊÇÕý¸ºµçºÉÏàÎüÒý½«Ò©Îï°ü¹ü£¬¶øÈç¹û½Á°èËٶȹý´ó£¬ÀëÐÄÁ¦»áʹÕý¸ºµçºÉ·Ö¿ªµ¼ÖÂ΢ÄÒ²»ÄÜÐγɣ¬½Á°èÊÇÒò¹Û²ìÒºÃæ£¬²»ÄܳöÏÖ´óÁ¿Ë®ÅÝ¡£¡£¡£¡£¡£¡£ |
3Â¥2011-10-19 22:19:31













»Ø¸´´ËÂ¥