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。