±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 734  |  »Ø¸´: 2
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

xufeigao

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Éó¸åÈËÒ»¾ä»°£ºÇó·­Òë

Ability against acid rain attack as a stone consolidant - lines 1-10
The pH change vs the number of periodic spraying indicates, for the untreated sample, a reduced corrosion during time: can the authors give an explanation to this behaviour? Is it due to the formation of gypsum not completely dissolved in water which acts as "passivity surface"? However the pH trend of Fig.7 does not seem to reach the stability after 7 periodic sprayings: low but constant is in fact observed. Explain and justify this trend.
The trend of Calcium concentration (Fig.8) is "almost" in accordance with the pH values: this accordance is more evident for the first periodic sprayings than for the last ones. Probably this is due to the dissolution of gypsum formed during the previous sprayings without attack of new carbonate substrate. Introduce the explanation of this behaviour.

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoqihu

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
°®ÓëÓêÏÂ(½ð±Ò+1): ¸ÐлӦÖú£¬»¶Ó­³£À´£¡ 2011-09-02 11:59:58
xufeigao(½ð±Ò+10, ·­ÒëEPI+1): 6 2011-09-02 12:53:29
×÷Ϊ¼Ó¹ÌʯͷµÖ¿¹ËáÓêµÄÄÜÁ¦£¬1-10ÐÐ
ÅçÍ¿ÖÜÆÚ¶Ô±ÈpHµÄ±ä»¯£¬¶ÔÓÚδ´¦ÀíµÄÑù±¾£¬ÔÚÕâÆÚ¼äÄÚÏÔʾ³ö¸¯Ê´½µµÍ£º×÷ÕßÊÇ·ñÄܶԴ˸ø³ö½âÊÍ£¿ÕâÊÇ·ñÊÇÓÉÓÚʯ¸àδÄÜÍêÈ«ÈܽâÔÚË®ÖбíÏÖ³öµÄ±»¶¯ÐͱíÃæ£¿µ«ÊÇ£¬Í¼7ÖÐpHµÄ±ä»¯Ç÷ÊÆ¿´ÆðÀ´²¢Ã»ÓÐÔÚ7¸öÖÜÆÚµÄÅçÍ¿ºó´ïµ½Îȶ¨£ºÊµ¼ÊÉϹ۲⵽µÍµ«ÊǺ㶨¡£½âÊͲ¢ÇÒÕâÃû´ËÇ÷ÊÆ¡£

¸ÆÅ¨¶ÈµÄ±ä»¯¼¸ºõºÍpHµÄ±ä»¯Ò»Ö£¬´ËÒ»ÖÂÐÔÔÚµÚÒ»ÖÜÆÚµÄÅçÍ¿ÖбÈ×îºóÒ»¸öÖÜÆÚÅçÍ¿¸üÒ»Ö¡£¿ÉÄÜÕâÊÇÓÉÓÚÔÚÉÏÒ»¸öÖÜÆÚµÄÅçÍ¿ÖÐʯ¸à·Ö½âδÄֿܵ¹ÐµÄ̼ËáÑνø¹¥Ôì³ÉµÄ¡£¶Ô´Ë¸ø³ö½âÊÍ£¿
²»ÊDz»×·Ç󣬶øÊDz»Ç¿Çó
2Â¥2011-09-02 11:59:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tntt

½ð³æ (ÕýʽдÊÖ)

²»ÊÇÐмÒ
³èÈè²»¾ª£¬Ïп´Í¥Ç°»¨¿ª»¨Â䣻ȥÁôÎÞÒ⣬Âþ¹ÛÌìÍâÔÆ¾íÔÆÊæ
3Â¥2011-09-02 12:08:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xufeigao µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600£¬×¨Òµ¿Î»¯¹¤Ô­Àí£¬320·ÖÇóµ÷¼Á +4 ´ó²öС×Ó 2026-03-29 4/200 2026-03-29 23:12 by Evan_Liu
[¿¼ÑÐ] 290Çóµ÷¼Á +3 dfffsar 2026-03-29 3/150 2026-03-29 22:38 by ëë밢Ī2
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬335·Ö£¬0856£¬Çóµ÷¼ÁԺУºÍµ¼Ê¦ +5 Çã____Ïô 2026-03-27 6/300 2026-03-29 16:35 by ÌÆãå¶ù
[¿¼ÑÐ] 298Çóµ÷¼Á +3 ÖÖÊ¥´Í 2026-03-29 3/150 2026-03-29 12:06 by longlotian
[¿¼ÑÐ] 295²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +7 1428151015 2026-03-27 7/350 2026-03-28 19:58 by S240
[¿¼ÑÐ] 322Çóµ÷¼Á +5 ¾É… 2026-03-24 5/250 2026-03-28 13:26 by Iveryant
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼ÁÒ»Ö¾Ô¸¹þ¹¤´ó324 +7 ãÆÐñ¶« 2026-03-28 9/450 2026-03-28 08:51 by Xu de nuo
[¿¼ÑÐ] 286Çóµ÷¼Á +4 ¶ªµôÀÁ¶è 2026-03-27 7/350 2026-03-28 08:07 by baoball
[¿¼ÑÐ] 265Çóµ÷¼Á11408 +3 ÁõС¹lu 2026-03-27 3/150 2026-03-27 20:53 by nihaoar
[¿¼ÑÐ] Çóµ÷¼Á +4 Áã°Ë# 2026-03-27 4/200 2026-03-27 18:07 by yu221
[¿¼ÑÐ] 274Çóµ÷¼Á +17 ¹Ë¾ÅóÏҪǫÐé 2026-03-24 23/1150 2026-03-27 15:16 by caszguilin
[¿¼ÑÐ] 0703»¯Ñ§Ò»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧ303Çóµ÷¼Á +3 zzffylgg 2026-03-24 3/150 2026-03-27 10:42 by shangxh
[¿¼ÑÐ] 324Çóµ÷¼Á +5 hanamiko 2026-03-26 5/250 2026-03-27 10:33 by wangjy2002
[¿¼ÑÐ] Çóµ÷¼Á323²ÄÁÏÓ뻯¹¤ +7 1124361 2026-03-24 7/350 2026-03-27 10:22 by wangjy2002
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬085400£¬320£¬Çóµ÷¼Á +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +3 Çñgl 2026-03-25 3/150 2026-03-25 19:03 by Ainin_
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á 324 +4 Promise-jyl 2026-03-23 4/200 2026-03-25 11:36 by Sugarlight
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] ²ÄÁÏר˶331Çóµ÷¼Á +4 Ïʵ±Å£ 2026-03-24 4/200 2026-03-24 15:58 by JourneyLucky
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ALULU4408 2026-03-23 3/150 2026-03-23 19:04 by macy2011
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û