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通过对各类氮化物及总氮分析方法进行分析比较，选择了适合水利系统现有条件下切实可行的分析方法，并对分析方法的技术关键作了进一步探讨，以利于对水利系统监测数据进行质量管理，确保水质数据的准确性和可比性，以及对水体水质进行准确全面评价。
Through the analysis and comparison of all kinds of nitrogen and total nitrogen analysis methods, the practical and applicable analytical methods under the existing conditions of the water conservancy system are selected, and the technical key of the analytical method is further discussed to facilitate the monitoring data of water conservancy system Quality management to ensure accuracy and comparability of water quality data, as well as accurate and comprehensive assessment of water quality.