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flakid ÄãºÃ ÏëÏòÄúÇë½Ì¸öÎÊÌâ Cunningham correction factor should not be included in a diffusion coefficient, since the statistics of the random walk process is not affected by the distance between the gas molecules relative to the size of the particle. However, this distance may affect the particle mobility in an external field. µ«ÊǺܶàÎÄÏ×Öиø³öµÄ¿ÅÁ£À©É¢ÏµÊý±í´ïʽÖаüº¬ÁËCunningham correction factor ¡£Ï£Íû´óÅ£ÃǸøÐ©½¨Òé¡£ ÌØ±ðÊÇÕâ¾ä»°£º since the statistics of the random walk process is not affected by the distance between the gas molecules relative to the size of the particle. However, this distance may affect the particle mobility in an external field. Õâ¾ä»°ÔõôÀí½â£¿Õâ¾ä»°ÓëÀ©É¢ÏµÊýÊÇ·ñÓ¦¸Ã°üº¬Cunningham correction factorÓйØÏµÂ𣿠|
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