铵根

通过氢型阳离子交换树脂与磷酸-氨基甲酸淀粉酯中的铵根离子进行交换，再结合凯氏定氮法可分别对两部分氮元素定量。

Ion exchange resin was used to exchange the ammonium in the starch phosphate-carbamate , and then Kjeldahl method was used to determine the content of amide .

传统的去除废水中硫酸盐、铵根的方法存在着处理费用高、处理规模小、难控制、易造成二次污染等诸多弊端。

The traditional methods to remove sulfate and ammonium separately in wastewater have many shortages , such as high operation cost , smaller scale , hard controlling and second pollution .

CdTe量子点酸度敏感荧光探针测定水样中铵根离子含量

Determination of NH_4 ~ + in Water Samples Using CdTe Quantum Dots Based pH-Sensitive Fluorescent Probes

铵根离子可以和镁盐、磷酸根在适当的条件下生成磷酸铵镁沉淀，利用这一反应可以去除水中的氨氮。

Ammonia can be removed from wastewater by forming magnesium-ammonium-phosphate ( MAP ) precipitate with magnesium salt and phosphate .

结果表明，在水冲洗条件下硝酸根和铵根的释放质量浓度呈一阶指数方程降低；

The results show that the releases of ammonium and nitrate nitrogen lower in exponential model , under the conditions of water washing ;

生物沸石是把沸石对铵根离子的选择性吸附能力、离子交换、生物硝化和反硝化结合起来的一种高效脱氨氮的污水处理方法，可以进行深度的研究和应用。

The biological zeolite is a high efficient removal of NH_4-N technology combined with selectivity chemical absorption , ion exchange , nitrification and denitrification , but further research needs to be done .

土壤剖面中硝酸盐随深度的增加而减少，铵根离子基本没有什么变化，说明硝酸盐比铵氮更容易淋溶进入地下水，施肥也会加速硝酸盐的淋溶，从而加剧地下水氮的污染。

Nitrate in soil profile increased with depth reduction and ammonium ion remained , which indicated that nitrate is easier dissolved in water than ammonia nitrogen and fertilization will speed up the leaching of nitrate , therefore pollution of groundwater nitrogen will be intensified .

同时，尾气吸收液返回结晶槽一方面可以调节液固比，另一方面带入的铵根离子可以改善磷石膏的结晶，既回收了有效成分，又实现了清洁生产与经济效益双丰收。

The tail gas absorption solution is returned to the crystallizer , thereby adjusting the liquid-solid ratio , and improving the phosphogypsum crystals with the entrained ammonium ions , with the result that the available components are recovered , and clean production and economic benefit are realized .

对COD、铵和硝酸根等污染物的去除率有明显提高；

The attenuation efficiencies of COD , ammonia ion and nitrate increased obviously ;

厌气铵氧化过程是铵以亚硝酸根为电子受体在自养细菌参数下氧化成氮气的过程。

Anammox is a biologically mediated process in which ammonium is oxidized with nitrite serving as electron acceptor under anaerobic condition .