Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
Air stripping had been studied to remove the high concentration of ammonia-nitrogen (NH3-N) from vanadium sesquioxide (V2O3) wastewater in this project.
本课题研究了吹脱法净化三氧化二钒（V_2O_3）生产过程中产生的高浓度氨氮废水。
Introduced the LFNH-DW2001 ammonia nitrogen on-line monitor meter the principle of work, the work flow and the routine maintenance and the common breakdown remove the method.
介绍LFNH - DW 2001型氨氮在线监测仪的工作原理、工作流程及日常维护和常见故障的排除方法。
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