采用流动注射分析仪总氮通道测定硝酸盐氮的探讨
许丹丹

Discussion on the determination of nitrate nitrogen by total nitrogen channel in flow injection analyzer
Dandan XU
表6 配对样本t检验结果
Table 6 Paried sample t-test results
样本成对差分t自由度Sig.(双侧)
均值标准差均值的标准误差差分的95%置信区间
下限上限
A-B0.001 430.028 540.010 79-0.024 960.027 820.13260.899