Table 2. Data Fitting Values for Different Temperatures Determined by the ln–ln Analysis Method.

reduction stage	T/K	slope/n	intercept/ln k	R2
first stage	1123	0.98	–8.26	0.9991
	1173	0.87	–6.23	0.9966
	1223	0.83	–5.60	0.9947
	1273	0.77	–5.60	0.9933
second stage	1123	0.58	–6.44	0.9997
	1173	0.59	–4.12	0.9967
	1223	0.79	–5.64	0.9941
	1273	1.39	–7.74	0.9467