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´óÆø»·¾³Ô´½âÎöÀàÁ½¾äa factor of two to three
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Normalizing the hopanes by EC to account for differences in atmospheric dilution reveals that the hopanes are a factor of two to three higher in the winter than in the summer. If the data are sorted by season, the R2£¨Ïà¹ØÐÔµÄÖµ£© values for the lower concentration days improve to about 0.6, though the summer and winter slopes are different by over a factor of two; this reflects the distinct seasonal pattern in the ratios of the different hopanes to EC. ÓÈÆäÊÇ»Ïß²¿·Ö£¬Àí½â²»ÁË¡£ |
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Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 183
- Ó¦Öú: 18 (СѧÉú)
- ½ð±Ò: 9734.7
- ºì»¨: 17
- Ìû×Ó: 4116
- ÔÚÏß: 345.2Сʱ
- ³æºÅ: 1490943
- ×¢²á: 2011-11-14
- רҵ: ½á¹¹ÌÕ´É

2Â¥2013-05-07 22:25:48














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