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The samples of 45 g soil or loess material with or without BC were incubated in 250-mL Schott jars for 1181 days at 20 C and 70% of WHC. To obtain 70% of WHC, 9.45 and 8.82 mL distilled water were added to soil and loess, respectively. During the incubation, the CO2 evolved from the soil or loesswas trapped in 3 mL of 1.0 M NaOH solution placed in small caps into the incubation jars. Periodically, the NaOH with trapped CO2 was sampled and replaced with new NaOH.
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gaofeng925: ½ð±Ò+1, »ý¼« 2012-05-27 12:40:12
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2Â¥: Originally posted by fayfeifei at 2012-05-27 11:59:30
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stormxuhao: ½ð±Ò+1, »ý¼«²ÎÓë 2012-05-29 09:42:04
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4Â¥2012-05-28 22:41:46
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4Â¥: Originally posted by fayfeifei at 2012-05-28 22:41:46
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