Ammonia or urea solution was injected into the end of reburning zone and the burnout zone at the same time, which was also researched. At a reburn heat input of 20%, the best NO reductions of 91.3% were achieved.
试验中还对再燃区尾部和燃尽区同时喷入氨水或尿素溶液的脱硝效率进行了研究，当再燃比为20％时，最高脱硝效率可达91.3％。
参考来源 - 生物质再燃/先进再燃脱硝试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In our experiment, essential oil was attempted to extract from fir immersed in urea solution.
本实验尝试使用尿素水溶液浸泡杉木根后再用水蒸气法提取杉木根精油。
The calculation method for climbing film evaporator was used to simulate the evaporators of first stage and second stage urea solution.
本文采用升膜式蒸发器的计算方法对尿素一段、二段蒸发器进行模拟计算。
The method for removing nitrogen oxides in the effluent gas from manufacturing nitric acid by using acidic urea solution as an absorbent to absorb the nitrogen oxides is introduced.
介绍用酸性尿素溶液作吸收剂， 吸收硝酸尾气中氮氧化物的净化方法。
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