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        ÎÒÔÚ¿´DPD½¨Ä£µÄ½Ì³ÌÖУ¬Õë¶ÔPP£¨¾Û±ûÏ©£©½¨Ä££¬½Ì³ÌÖÐÓÐÕâÑùÒ»¶ÎTo ensure that the physical density corresponds to the reduced density of 3, for which the correlation was derived, the length scale must be set. As derived above, the bead volume is 328.3 cm3 per mole beads, or 545 Å3 for one bead. Hence 3 beads occupy a volume of 3*545 = 1635 Å3, corresponding to a cube with edge 16351/3 = 11.8 Å. This value must be chosen as length scale to match both the required physical and reduced density. Half the length scale (5.9 &Aring may be used as the bead radius for display purposes.
ÆäÖÐAs derived above, the bead volume is 328.3 cm3 per mole beads, or 545 Å3 for one bead. ÔõôÓÉ328.3 cm3/mol µÃµ½545 Å3 £¬ÇëÇó¸ßÊÖÖ¸µã£¬²»Ê¤¸Ð¼¤¡£@smutao
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