以下为句子列表：
英文: Abstract: Mainly reviewed distribution of organic nitrogen, early diagenesis (such as counteract-eutrophication, nitrification/ denitrification et al.), the controlling factors of nitrogen cycling; and the relationship between nitrogen and ecological syst
中文: 文摘:主要阐述海洋沉积物中氮的存在形式与分布、氮的早期成岩和去营养化作用、硝化和反硝化作用以及氮与生物特定种群的关系等,探讨了影响海洋沉积物中的氮循环的主要因素,分析了海洋沉积物中的氮与生态系的关系,以期对研究氮的海洋生物地球化学过程有所帮助.
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英文: After the short-cut nitrification was realized, chemical dosage could be saved and short-cut nitrification maintained by means of changing the chemical dosing method.
中文: 当短程硝化反应实现后，通过改变投药方式可节省投药量并维持短程稍化反应。
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英文: Chlorine was added in shocking and continuous mode respectively, so as to realize short-cut nitrification with a biological denitrification with a biofilm reactor.
中文: 分别以冲击性和连续性方式投加氯，可以在生物膜法生物脱氮反应中实现短程硝化。
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英文: NH4C did not accumulate in the marsh, and no significant differences were observed between the river and the marsh water, while the NO3 contributed by the river water was depleted within the marsh, caused probably by coupled nitrification-denitrification
中文: NH4C不在湿地中积累，在河水和湿地水中没有观察到显著差异，而由河水带来的NO3却在湿地中耗尽，可能是由于成对的硝化和反硝化过程导致的。
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英文: Nevertheless, use of soil incorporation for urea and anhydrous ammonia to reduce volatilization, the practice of delaying nitrogen fertilizer application in imperfectly drained soils to minimize denitrification and leaching, and patience in the case of im
中文: 但是，采用把尿素和液氨和土壤掺混施用以减少氨挥发，在排水不良的土壤上采取延迟施氮期的办法以减少反硝化及淋失，以及对于氮固定问题采取耐心克制的态度，这些问题就都能得到解决。
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