二氧化氮是硝酸盐气溶胶的主要来源，构成PM 2.5和在紫外线下臭氧的主要部分。
NO2 is the main source of nitrate aerosols, which form an important fraction of PM2.5 and, in the presence of ultraviolet light, of ozone.
研究了硝酸盐与2,6 -二甲酚的显色反应。
A color reaction of nitrate with 2, 6-dimethylphenol was studied.
方法用盐酸萘乙二胺法检测样品中的亚硝酸盐。
Methods The nitrite was detected from samples by N-Naphthylethylenediamine Dihydrochloride.
二是钾对硝酸盐含量的影响及相关机理。
The other is the effect and correlative mechanism of potassium on nitrate content.
本实验创立了二种水产养殖池塘底泥总氮含量简易测定法，分别称为总氨法和硝酸盐法。
Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.
方法：检测大鼠非致炎侧足爪体积，血清丙二醛(MDA)，滑膜细胞产生白细胞介素1 (IL 1)和亚硝酸盐(NO-2)量。
Methods: The volume of non-injected hind paw of AA rats, serum malondialdehyde (MDA) content, interleukin-1 (IL-1) and nitrite (no - 2) produced from articular synoviocytes were measured.
在蔬菜腌渍发酵中会产生亚硝酸盐，食品中亚硝酸盐含量测定国家标准是盐酸萘乙二胺法。
In the fermentation of pickled vegetables it would produce nitrite, and the national standard for the determination of nitrite content in food is hydrochloride naphthodiamide.
二氧化硫、氯盐、硝酸盐与硫酸盐分别呈现不同的日变化规律；
The measured species, SO_2 , chloride, nitrate and sulfate showed different diumal variation patterns, suggesting different sources.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波，用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
建立了对二甲氨基苯甲醛法和亚硝酸盐——格里斯试剂法两种对牛奶中掺入的尿素的快速检测方法。
In this paper, two rapid detection methods for carbamide in milk, namely p-dimethylaminobezaldehyde method and Nitrite-Griess method, were developed.
影响能见度的空气污染因子，不仅包括一次源，还应包括经由气-粒转化化学反应而产生的硫酸盐、硝酸盐等二次污染粒子。
Air pollution factors include sulfate or nitrate second particles derived from gas-to-particle transformation as well as original particles.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点，是一种应用前景良好的脱氮技术。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点，是一种应用前景良好的脱氮技术。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
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