2) simultaneous nitrification and denitrification (SND) via nitrite
同步亚硝酸型脱氮
3) nitrite
[英]['naitrait] [美]['naɪtraɪt]
亚硝酸氮
1.
The experiment achieved nitrite accumulation, disappearance and recurrence by controlling the DO concentration effectively at two times.
应用A/O工艺处理低C/N比的生活污水,SRT维持在15d左右,水温控制在21—25℃,pH值在7·2—7·6之间,污泥浓度为2500—4500mg·l-1,通过控制溶解氧(DO)浓度实现了亚硝酸氮积累、消失和重现。
2.
In this paper,the effect of pH,MLSS and nitrite concentration on denitritification with nitrite concentration in the range of 30～110 mg·L-1 is investigated.
本文在亚硝酸氮浓度为30~110 mg。
3.
Effects of factors such as pH, Pt loading, addition of Fe2+ and protection gas on the activity of photocatalyst in nitrogen removal by coupled ammonia oxidation and nitrite reduction were investigated.
结果表明:碱性条件下利于氨氮、亚硝酸氮的耦合脱氮反应,载铂量0。
4) nitrite-N
亚硝酸氮
1.
The excretion of nitrite-N,urea-N and organic-N were increased in a pHdependent m.
5时,氨氮排泄急剧下降,其排泄过程具有不连续性;亚硝酸氮、尿素氮和有机氮的排泄随pH值的升高而增加;硝酸氮的排泄同亚硝酸氮类似,但在pH值10。
2.
The influence of adding photosynthetic bacteria,probiotiecs(yeast and Lactobacillus) and bacillus on total ammonia-N(TAN) and nitrite-N in the intensive shrimp ponds in the dawn was investigated and summarized.
监测并分析了单独或组合加入光合细菌、益生菌(酵母与乳杆菌)和芽孢杆菌后,对虾养殖池凌晨水体中氨氮和亚硝酸氮的变化。
5) nitrite nitrogen
亚硝酸氮
1.
In order to investigate the characteristics of removing phosphorus and nitrogen in wastewater with nitrate and nitrite nitrogen as electron acceptors,two anaerobic/anoxic sequencing batch reactors were adopted to treat compounded wastewater containing phosphorus.
目的研究以硝酸氮和亚硝酸氮为电子受体时,污水中氮磷的去除效果。
2.
A conventional toxicity experiment was conducted to study the effect of nitrite nitrogen on the toxicity and disease re-sistance of P.
研究不同盐度条件下亚硝酸氮(NO2--N)对斑节对虾的急性毒性,为不同盐度条件下亚硝酸氮的调控提供依据。
3.
Nitrite nitrogen is the main contaminations in the culture water.
在养殖水体中含不同浓度亚硝酸氮的情况下,用副溶血弧菌浸泡感染的方式对凡纳滨对虾(Litopenae usvannamei)进行毒性实验;并检测了凡纳滨对虾在亚硝酸氮和弧菌胁迫下的部分免疫指标的变化,研究亚硝酸氮和副溶血弧菌对凡纳滨对虾免疫力的影响。
6) nitrite
[英]['naitrait] [美]['naɪtraɪt]
亚硝酸盐氮
1.
Interference and avoidance of nitrite in the determination of sulfides
亚硝酸盐氮对硫化物测定的干扰及消除
2.
Study on the Interference of Nitrite in the Determination of Sulfides and the Method of Avoidance
亚硝酸盐氮对硫化物测定的干扰及消除方法研究
3.
Compared with the traditional methods, the determination speed of nitrite in environmental water sample with a new continuous flowage analyzer can reach 50 pieces per hour, NO_2-N detection limit is 0.
利用新型连续流动分析仪对环境水样中的亚硝酸盐氮进行测定,同传统的分析方法相比,该法的分析速率可以达到50个样/h,NO_2-N检出限达到0。
补充资料：亚硝酸氮
分子式：
CAS号：
性质：又称亚硝态氮或亚硝酸盐氮。指亚硝酸盐中所含的氮元素。水和土壤中的有机物分解而生成铵盐，在有氧的条件下，会转化成亚硝酸盐和硝酸盐；亚硝酸氮是总氮(或全态氮)中的组成部分之一。
CAS号：
性质：又称亚硝态氮或亚硝酸盐氮。指亚硝酸盐中所含的氮元素。水和土壤中的有机物分解而生成铵盐，在有氧的条件下，会转化成亚硝酸盐和硝酸盐；亚硝酸氮是总氮(或全态氮)中的组成部分之一。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条