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The key pollution indicators are ammonia nitrogen and BOD.

主要污染指标是氨氮和生化需氧量.

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This avoid ammonia nitrogen loss in the measurement and distillation steps.

避免了称量时易造成的样品损失及蒸馏过程的氨氮损失.

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After cultivated, the ammonia - nitrogen and sulphide content in it were determined.

培养接入菌种的臭液, 测定其 氨氮 含量和硫化物含量.

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The parameters needed to measure are Oxidation - Reduction Potential ORP, Dissolved Oxygen ( DO ) , content of ammonia nitrogen.

测量的参数指标主要包括:氧化还原 电位, 溶解氧 、 氨氮总量.

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The major pollution indicators in the Yangtze River system are petroleum and ammonia nitrogen.

长江水系的主要污染指标是石油类、氨氮和高锰酸盐指数.与上年相比,水质持平.

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So the problem of unfavorable effect of ammonia nitrogen in wastewater reuse has been solved.

利用循环冷却水系统不需增加费用就可以脱除污水中氨氮,从而消除了污水回用中氨氮的影响.

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The main problems of applying recycled ammonia - nitrogen containing wastewater to circulating water systems are analyzed.

作者分析了含氨氮污水回用于循环水时所要解决的主要问题,认为氨氮是导致腐蚀率增加的主要因素.

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The pitting corrosion potential of 316 stainless steel increases along with the ammonia nitrogen density decrease.

在模拟中水中,随着氨氮浓度的增加,316不锈钢的孔蚀电位减小.

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Decompose unnecessary organic matters, such as ammonia, nitrogen, phosphorus, to achieve the purpose of water quality.

有效分解水体中的多余有机物 、 氨 、 氮 、 磷等物质, 达到净化水质的目的.

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