2.The annual average living expenses for a prisoner in different regions of the country is around 650 yuan, close to the average living standard of the local residents.
3.Experiments show that, with respect to CPU time, preferential greedy algorithm improves Kuhn-Munkres algorithm by about 31.6% on average, and standard greedy algorithm by about 36.3% on average.
5.Results:The linear range of gallic acid was 0.628~3.14μg. The average recovery and relative standard deviation were 99.71% and 1.14%(n=5) respectively.
8.The stan-dard curve was linear in the concentration range of 2 - 20μg/ml with correlation coefficient 0. 9998. The average recovery and the relative standard deviation were 100.49 % and±? 0.78 %, re-spectively .