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育苗水体经臭氧处理后 ,水中的细菌得到有效抑制 ;亚硝酸盐大幅度降解 ,使水质条件得到明显改善。利用灰色系统关联度分析 ,影响出苗量作用因子的主次顺序为 :细菌总数 >氨氮 >耗氧量 >亚硝酸盐。应用正交试验找出最佳因子优化组合为 A3B1 C1 。
After the seedling water is ozone-treated, the bacteria in the water can be effectively suppressed; the nitrite greatly degrades, so that the water quality conditions are obviously improved. Using the gray relational analysis, the order of primary and secondary factors affecting the emergence factor was: total number of bacteria> ammonia nitrogen> oxygen consumption> nitrite. The orthogonal test was used to find out the optimal combination of the best factor for A3B1 C1.