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yangsc.06b

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The time dependence of p,p¡ä-DDT and o,p¡ä-DDT concentration is given in Fig. 3. During the first 20days, the p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 decreased dramatically and then the declining rate gradually became slower. However, the quantity of p,p¡ä-DDT and o,p¡ä-DDT in treatment without Fe0 had no apparent change during the first 20days (Fig.3). After 20 day, The p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 had experienced a slight decline. In contrast, The percentage degradation of p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 0.5% Fe0 and 2% Fe0 is  far below the percentage degradation of p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 during the first 20days. After 20 day, The p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 0.5% Fe0 and 2% Fe0 had experienced decline.

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pitlord999

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yangsc.06b(½ð±Ò+4,VIP+0):лл¹Ø×¢£¬½ð±Ò²»¶à£¬ËÍ4¸ö 8-8 10:59
yangsc.06b(½ð±Ò+2,VIP+0): 8-13 18:53
The time dependence of p,p¡ä-DDT and o,p¡ä-DDT concentration is given [shown] in Fig. 3. During the first 20days, the p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 decreased dramatically and then the declining rate gradually became slower [became slower gradually]. However, the quantity of p,p¡ä-DDT and o,p¡ä-DDT in treatment without Fe0 had no apparent [obvious] change during the first 20days (Fig.3). After 20 day[s], The [the] p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 had [remove had] experienced a slight [minor] decline. In contrast, The percentage degradation of p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 0.5% Fe0 and 2% Fe0 is  far below the percentage degradation of p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 5% Fe0 during the first 20days. After 20 day[s], The p,p¡ä-DDT and o,p¡ä-DDT in the treatment with the addition of 0.5% Fe0 and 2% Fe0 had experienced decline.
2Â¥2009-08-07 18:20:18
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3344520yan

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yangsc.06b(½ð±Ò+1,VIP+0):лл¹Ø×¢£¬½ð±Ò²»¶à£¬ËÍ1¸ö 8-8 11:00
yangsc.06b(½ð±Ò+1,VIP+0): 8-13 18:54
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3Â¥2009-08-07 19:36:08
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monitor2885

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yangsc.06b(½ð±Ò+1,VIP+0):лл¹Ø×¢£¬½ð±Ò²»¶à£¬ËÍ1¸ö 8-8 11:00
yangsc.06b(½ð±Ò+1,VIP+0): 8-13 18:54
After 20 days
Retirement
4Â¥2009-08-07 20:41:07
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yangsc.06b

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