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紫外分光光度法同时测定硝酸盐氮和亚硝酸盐氮 |
Ultraviolet Spectroscopy Applied to Simultaneous Determination of NO3--N and NO2--N |
投稿时间:1999-03-01 修订日期:1999-04-16 |
DOI: |
中文关键词: BP网络 紫外光度法 均匀设计 |
英文关键词:BP neural networks ultraviolet spectroscopy uniform design |
基金项目: |
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中文摘要: |
提出了用均匀设计法安排BP网络运行参数以进行优化的方法.研究了硝酸盐和亚硝酸盐在紫外区的吸收光谱.利用BP算法的人工神经网络处理光谱数据,提出关于同时测定水样中硝酸盐氮和亚硝酸盐氮的新方法.对实际水样进行了测定,结果满意. |
英文摘要: |
A new method to optimize parameters has been built for BP network following uniform design. The ultraviolet absorbed spectroscopy of NO3-1 and NO2-1 was studied. On the basis of back propagation algorithm, neural networks were applied to deal with the spectroscopy data.A new method to determine NO3--N and NO2--N in water samples was proposed. Good results were obtained. |
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