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rain841230
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- ·ÒëEPI: 8
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- ½ð±Ò: 231.5
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2Â¥2010-04-08 15:55:47
slowstar
ľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 13
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- ×¢²á: 2009-03-02
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3Â¥2010-04-08 15:59:26
kedaweiwei
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- ×¢²á: 2008-09-19
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4Â¥2010-04-08 16:15:21
slowstar
ľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 13
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- ÔÚÏß: 803Сʱ
- ³æºÅ: 712881
- ×¢²á: 2009-03-02
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katley(½ð±Ò+2, ·ÒëEPI+1):лл 2010-04-08 16:24
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±§Ç¸Ó¦¸ÃÊÇActivation energy (»î»¯ÄÜ) Activation state (»î»¯×´Ì¬) Thermal activation (ÈȻ) D D0e −Ea,d/RT (10.4-5) where R is the ideal gas constant and T is the absolute temperature. The quantity D0 is a parameter that is nearly temperature-independent, and Ea,d is called the molar activation energy for diffusion. Liquid viscosities are usually well described by the formula ¦Ç ¦Ç0eEa,¦Ç/RT (10.4-6) where Ea,¦Ç is the molar activation energy for viscous flow |

5Â¥2010-04-08 16:22:39
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Òø³æ (ÕýʽдÊÖ)
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- ³æºÅ: 985696
- ×¢²á: 2010-03-30
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6Â¥2010-04-08 17:19:03














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