@射线衍射与光光谱 4=MB+BM=2dh"k-7 Sink 0=2dh *-+Sinh "nk"n/* 0 4=n(N+1)2-nNn=n2; 2dh*km+Sinh*nk*n*0=nn 布拉格方程 2dsim=n久 x+1= MB+BM = 2dh*k*l*sinhkl = 2dh*k*l* sinnh*nk*nl*   = n(N+1)-nN  = n ; 2dh*k*l*sinnh*nk*nl*  =n  布拉格方程 2d sin =n 