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soil-Jamesľ³æ (СÓÐÃûÆø)
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Rates and Extent of Reduction of Fe(III) Compounds and O2 by Humic Substances
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Although nonreduced HS transferred significant amounts of electrons only to dissolved Fe(III) citrate and ferrihydrite, reduced HS additionally reduced goethite and hematite . ¶Á²»Ì«¶®¡£ ÇëÎÊ ÕâÆäÖеÄnonreducedÊÇδ±»»¹ÔµÄ£¬»¹ÊDz»¾ß»¹ÔÐÔµÄÒâ˼£¿Èç¹û²»¾ß»¹ÔÐÔ¾ÍÊÇÑõ»¯ÐÔµÄÒâ˼Â𣿠Reoxidation of reduced HS by O2 took place within minutes and yielded reoxidized HS that were still more reduced than nonreduced HS, indicating that some reduced moieties in HS are protected from reoxidation by O2 . Õâ¾ä»°¾Í¸üÔÎÁË¡£ Ìû×Ó±êÌâÊǾä×Ó³ö´¦ÎÄÕµıêÌâ¡£ лл´óÉñÃÇ£¡ |
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soil-James
ľ³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1982.3
- É¢½ð: 100
- Ìû×Ó: 139
- ÔÚÏß: 95.1Сʱ
- ³æºÅ: 4862108
- ×¢²á: 2016-07-22
- ÐÔ±ð: GG
- רҵ: »·¾³¹¤³Ì
2Â¥2016-09-12 09:14:05
soil-James
ľ³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1982.3
- É¢½ð: 100
- Ìû×Ó: 139
- ÔÚÏß: 95.1Сʱ
- ³æºÅ: 4862108
- ×¢²á: 2016-07-22
- ÐÔ±ð: GG
- רҵ: »·¾³¹¤³Ì
3Â¥2016-09-12 10:48:19














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