氨氮污染是导致江河湖泊水体富营养化的主要因素之一。
进入2002年，受国际市场纺织业发展的影响，进口氨纶的价格扶摇直上。
没有一丝风，整个这块地方弥漫着酸臭和阿摩尼亚味道。
丙烯酸树脂与氨醇树脂共混配制清漆及其助剂的选择研究
1·Biological denitrogenation technology, which removes more nitrogen from the original average processing by rate of 2% ammoniac nitrogen is narrated in aspects of theory, equipment and processes.
从原理、设备与流程等方面叙述了生物脱氮技术，使原来平均处理率仅为2%的氨氮得到了较为满意的效果。
2·It is used for pressure and vacuum of ammoniac liquid and gas as well as of zhe madia which can't corrode carbon steel, stainless steel and solders like tin and lead.
仪表适用于测量氨的液体和气体的压力真空，也可测量对碳钢、奥氏体不锈钢和锡铅类焊料无腐蚀作用的介质的压力和真空。
3·Ammoniac Corrosion of condenser copper tubes is the major cause of condenser leakage and copper content in boiler feed water.
凝汽器铜管的氨腐蚀，是造成凝汽器泄漏和给水含铜的重要原因。
4·The shoe that with getting together ammoniac fat material makes a copy is footmark a kind of when in examining, often encounter newer shoe is planted.
以聚氨脂材料制底的鞋是足迹检验中经常碰到的一种较新鞋种。
1·The results demonstrate that the absorption rate can reach above 98% by adopting sulfuric acid to absorb ammoniac waste gas.
研究结果显示，采用硫酸吸收含氨尾气，吸收效率可达98%以上。