主题：【求助】XRD图谱计算晶格常数以及晶格常数变化方面的问题

本人前段时间测得高能球磨后粉末的XRD图谱，计算了晶格常数值，但不知道看计算后的报告。下面是原始报告：请达人能指点，介绍下里面的重要信息。
USER: user
JADE: Cell Refinement Report
DATE: Thursday, Nov 05, 2009 07:44p
FILE: [80h5(20-95).txt] DX-2000 CSC 40kV/30mA Slit:1deg&1deg&0.2mm Monochromator: ON 1-2Theta
SCAN: 20.0/95.0017/0.04/1(sec), Cu, I(max)=308, 10-02-09 18:20
PEAK: 19-pts/Parabolic Filter, Threshold=3.0, Cutoff=0.1%, BG=3/1.0, Peak-Top=Summit
NOTE: Intensity = Counts, 2T(0)=0.0(°), Wavelength to Compute d-Spacing = 1.54056A(Cu/K-alpha1)

Cell Type = Cubic(F-Center), Fm-3m (225)
Refined Cell = 4.28891(0.001931) <>
Vol= 78.89 A^3, Density(c)= 5.0944 (Chemical Formula =C0.7N0.3Ti, Z=4.0)
2-Theta Error Window = 0.3(°), Zero Offset = 0.0(°), Displacement = 0.0(°)
ESD of Fit = 0.0778(°), |Delta 2-Theta| = 0.0628(°), |Delta d| = 0.00166(A), F(5) = 13.3(6)
Intensity Weighting = sqrt(I%), 2-Theta Range = 20.0/95.0(°), (x) Outlier Rejection at 2.0 sigmas
2T(cor) = 2T(cal) + Zero Offset + Displacement (cal=Calculated, obs=Observed, cor=Corrected)

h  k  l  2T(cal)  2T(cor)  2T(obs)  Delta  d(cal)  d(cor)  d(obs)    Del-d  ? 
1  1  1  36.248  36.248  36.214  0.034  2.4762  2.4762  2.4784  -0.0022 
2  0  0  42.102  42.102  42.053  0.049  2.1445  2.1445  2.1468  -0.0024 
2  2  0  61.059  61.059  61.019  0.040  1.5164  1.5164  1.5172  -0.0009 
3  1  1  73.119  73.119  73.004  0.115  1.2932  1.2932  1.2949  -0.0018 
2  2  2  76.946  76.946  77.023  -0.077  1.2381  1.2381  1.2371  0.0010 
4  0  0  91.844  91.844      ---          1.0722  1.0722    ---           
另外想请教下：高能球磨后晶格常数的变化时由什么原因引起的，能说明什么问题呢？本人现在对晶格常数让面的知识还比较的无知，各位达人见笑啦！