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ÇóŨ¶ÈC¹ØÓÚʱ¼äÓë¿Õ¼äµÄ·½³Ì : C = f(x, t)
·½³Ì1: u*(dC/dx) + e* (dC/dt) + p*k*(qe - q) = 0,
·½³Ì2: dq/dt = k* (qe -q)
³õʼÌõ¼þ: t = 0, C = 0, q = 0;
               x = 0, C(x, t) = C0
(u; e; p; k; qe ¾ùΪ³£ÊýÏî
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