1) nitrate/ nitrite
硝酸盐氮/亚硝酸盐氮
2) 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。
3) nitrite nitrogen
亚硝酸盐氮
1.
Reversed phase flow injection-spectrophotometric determination of trace nitrite nitrogen in water;
水中痕量亚硝酸盐氮的反相流动注射一光度测定
2.
The reaction between acridine yellow and nitrite nitrogen in acid medium was studied.
利用在酸性介质中,吖啶黄与亚硝酸根反应并在波长436 nm处的吸光度与亚硝酸根浓度呈线性关系,提出并建立了测定亚硝酸盐氮的新方法。
3.
The result shows that: biofilm-electrode process has higher efficiency of denitrification than single biofilm at low C/N ratio(m(C)/m(N) = 1);with no organics addition(m(C)/m(N) = 0),intermittent biofilm-electrode reactor has better effect of denitrification and better efficiency for controlling of concentration of nitrite nitrogen than continuous biofilm-electrode reactor.
采用电极生物膜法处理含硝酸盐氮的废水,结果表明:在碳氮质量比较低(m(C)/m(N)为1)的条件下,电极生物膜法比单纯生物膜法有更高的反硝化效率;无外加有机物(m(C)/m(N)为0)时,间歇式反应器比连续式反应器有更好的脱氮效果,更能有效地控制亚硝酸盐氮浓度。
4) nitrite-nitrogen
亚硝酸盐氮
1.
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
2.
The paper deals with the effect of ammonia-nitrogen (NH 3-N t) and nitrite-nitrogen (NO - 2-N) in the nursery water on the larvae of Macrobrachium rosenbergii , in which the concentrations of NH 3-N t and NO - 2-N were tested.
用柰氏试剂法和重氮 -偶氮比色法分别在罗氏沼虾工厂化育苗期间对幼体较为敏感的水中氨氮 (NH3 -Nt)、非离子氨氮 (NH3 -Nm)、亚硝酸盐氮 (NO-2 -N)进行监测 ,以期找出它们的变化规律及对幼体成活率的影响 。
5) nitrate
[英]['naɪtreɪt] [美]['naɪtret]
硝酸盐氮
1.
Fast Testing of nitrate Content in water with Spectrophotometry;
分光光度法快速测定嘉陵江水体中硝酸盐氮
2.
Improvement on tolerance of Spirodela polyrrhiza to ammonia at presence of nitrate;
硝酸盐氮对紫背浮萍氨耐受能力的影响(英文)
6) Nitrate nitrogen
硝酸盐氮
1.
Determination of Nitrate Nitrogen in Groundwater by Direct Ultraviolet Spectrophotometry;
直接紫外分光光度法测定地下水中的硝酸盐氮
2.
Removal of nitrate nitrogen using biofilm-electrode process;
电极-生物膜法去除硝酸盐氮的试验研究
3.
The comparison analysis of nitrate nitrogen determination is conducted with the same standard solution and natural water samples by two methods of spectrophotometric method with phenol disulfonic acid and ultraviolet spectrophotometer.
采用同一标准液和天然水样用酚二磺酸光度法和紫外分光光度法测定硝酸盐氮,进行比对分析,同时调查云南省内用此两种方法密码样考核的情况。
补充资料：硝酸盐
硝酸的盐类，含有硝酸根NO婣,为离子型化合物。大多数的硝酸盐是无色的，几乎所有的硝酸盐均易溶于水。硝酸盐在常温下一般都很稳定，在高温下由于发生分解而表现出强氧化性。其热分解有三种情况：①碱金属和碱土金属硝酸盐分解为亚硝酸盐和氧；②电位序在铜以后的金属的硝酸盐分解为金属单质、二氧化氮和氧；③其余大部分金属的硝酸盐分解为金属的氧化物、二氧化氮和氧。硝酸盐热分解时，遇有机物就会燃烧甚至爆炸。硝酸盐通常由硝酸作用于相应的金属或金属氧化物而制得。硝酸盐所含氮易被植物吸收，因此大量用作肥料。
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