说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 血清NO2-/NO3-
1)  Serum NO 2-/NO 3-
血清NO2-/NO3-
2)  elimination function of NO2-
清除NO2-作用
3)  scavenging of NO2-
NO2-清除作用
4)  NO_2
NO2
1.
In Yufa of Beijing,the pollutants including O_3,NO_2,SO_2 in atmospheric boundary layer were monitored in August and September of 2006 under different weather conditions.
介绍了自行研制的车载差分激光雷达AML-2探测原理及技术参数,于2006-08、2006-09在不同天气因素条件下对北京西南郊榆垡地区大气边界层污染物O3、NO2、SO2进行了实时监测,对比分析了3种污染物浓度垂直分布及日变化特征。
2.
This paper introduces this harm to plant leaves done by SO_2,Cl_2 and NO_2.
主要针对大气污染物中的SO2、Cl2、NO2等气体对植物叶的危害作以常识介绍并给予验证。
3.
The adsorption and photocatalytic degradation of heptene on(TiO_2/SiO_2) photocatalyst under the irradiation of UV light were investigated carefully in the presence of NO_2.
以TiO2/SiO2为光催化剂,在紫外光作用下,讨论了NO2存在时,庚烯在TiO2/SiO2上的吸附和光催化降解作用。
5)  nitrogen dioxide
NO2
1.
The chemical sampling analysis and chemiluminescence and physical analysis of auto monitoring system are used to detect nitrogen dioxide.
根据化学采样分析和环境空气自动监测化学发光物理法测得的NO2浓度结果,进行F检验、T检验,结果无显著性差异。
2.
However,nitrogen dioxide(NO_2), as a byproduct,is also generated,which is harmful even at very low concentration.
在干燥空气中进行脉冲放电可以产生满足临床要求的NO,但同时也会产生对人体有很大伤害的NO2。
3.
Ozone mediated nitration of chlorobenzene with nitrogen dioxide over solid acid catalysts is expected to be a green process.
近年来 NO2 硝化芳烃的研究已引起人们的关注 [1~ 5] ,作为一种新的芳烃清洁合成方法 ,与传统硝酸 -硫酸混合酸硝化相比 ,该方法具有较好的硝化产物选择性、特殊的定位效应以及反应的环境友好等优点 。
6)  Nitrite [英]['naitrait]  [美]['naɪtraɪt]
NO2-
1.
Nitrite was diazotized with neutral red,then the product coupled with 8-hydroxyquinoline in weak base solution to produced coupling compound.
NO2-与中性红在HCl介质中发生重氮化反应,生成的重氮盐在弱碱性溶液中与8-羟基喹啉发生偶联反应,偶联产物使得位于588 nm的共振散射光强度明显增强。
2.
The adsorptive ability of the water-insoluble dietary fibre for nitrite is studied in this paper.
测定了白果壳水不溶性膳食纤维对NO2-的吸附作用。
3.
The adsorption property of nitrite on cross-linked chitosan was studied through 8-Hydroxyquinoline as a coupling reagent with the spectrophotometry was used to determine the density of the adsorbed nitrite.
壳聚糖交联壳聚糖对亚硝酸根离子的吸附机理,既有固体表面的物理吸附,也有溶液中离子之间的静电吸附,即质子化的阳离子CCTS-NH3+与阴离子NO2-的静电引力吸附。
补充资料:FD & C red No.2
分子式:C20H11N2Na23O10S3
分子量:604.480
CAS号:915-67-3

性质:紫红色粉末。21℃时的溶解度为:水17.2%,10%的乙醇6.9,50%的乙醇0.5%。可溶于甘油及丙二醇,不溶于油脂。0.01%水溶液呈玫瑰红色,遇硫酸呈紫色,稀释后呈桃红色;遇浓硝酸呈亮红色,遇浓盐酸呈棕色,有黑色沉淀。水溶液遇浓盐酸呈品红色,遇氢氧化钠溶液呈红棕色。属偶氮型酸性染料,耐细菌性差,有耐光性,耐热性,耐盐性,耐酸性良好,对柠檬酸,酒石酸等稳定,对氧化,还原作用敏感。

制备方法:由1-萘胺-4-磺酸重氮化后,在碱性条件下与2-萘酚-3,6-二磺酸钠(R盐)偶合,经食盐盐析,精制而得。

用途:用于食品,医药,化妆品的着色。

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