Objectives We research the change contents nitrate and nitrite of cabbage in different storage ways.

Example 7 was sensitized by aeration with sodium nitrite which was added terminally to the mixture.

例7借最后加入的亚硝酸钠产生气体而进行敏化.

An improved HPLC method for simultaneous determination of nitrate and nitrite in vegetables has been presented.

高效液相色谱法同时测定蔬菜中的硝酸盐和亚硝酸盐的方法,与传统的分光光度法比较.

Nitrite as a chemical pollutant has a bad effect on people's health.

亚硝酸盐作为一种化学性污染物,与人们的饮食、健康有密切的关系.

The results demonstrated that the seabuckthorn leaves extract had a strong scavenging ability for nitrite.

结果表明,沙棘叶对亚硝酸盐具有较强的清除作用.

A down flow biological to discuss the stability of nitrite under high concentration of ammonia.

本文采用下向流内循环生物流化床反应器,在高浓度氨条件下,探讨了亚硝化过程的稳定性.

Many researchers believe that the cancers result from the nitrate and nitrite taken in.

许多学者认为,这与人体摄入的硝酸盐和亚硝酸盐的量呈明显的相关性.

The nitrite contents in pickles produced by inoculated fermentation or natural fermentation were compared.

对人工发酵和自然发酵泡菜中亚硝酸盐含量进行了对比分析.

Results showed the electrode obviously was electrocatalytic to the nitrite solution.

结果显示该电极对亚硝酸根具有明显电催化作用.

Usually, vitamin C converts nitrite into nitric oxide, thus inhibiting the formation of nitrosamines.

通常情况下, 维生素C将亚硝酸盐转变为一氧化氮, 从而抑制了亚硝胺的形成.

It is pointed out that currently nitrite is still a necessary chemical in processed meat production.

并指出了亚硝在当前肉制品生产中,仍是必不可少的添加剂.

As they eat the nitrates they form nitrites as an intermediate chemical byproduct.

当他们吸收这些硝酸盐的时候,会形成一种可以成为副产物的亚硝酸盐的中间产物.

What happens to nitrites is key.

重要的是这些亚硝酸盐发生了什么?

When added to Salmonella dog extracts treated with nitrites doubled to quadrupled normal DNA mutation levels.

再加入沙门氏菌就会产生二倍到四倍的致癌化合物.

Such esters, or mixtures thereof may also be modified by as nitrobenzene, nitrotoluene, dinitrotoluene or trinitrololuene.

这种酯或其混合物,也可由硝基苯, 硝基甲苯, 二硝基甲苯或三硝基苯等附加物来改性.

In the prcsence of Nitrobenzene , the TPC is then converted to the TPPH 2.

在硝基苯存在下TPC被氧化成TPPH_2.

A method was developed for the determination of nitrobenzene in aniline by differential pulse polarography.

建立了测定苯胺中微量硝基苯的差式微分脉冲极谱法.

Nitrobenzene can rapidly deteriorate the quality of groundwater.

硝基苯污染可使地下水环境质量急剧恶化.

The method for producing 4-aminodiphenylamine from nitrobenzene and aniline was an ideal method at the present.

从硝基苯和苯胺直接合成4氨基二苯胺是当前一种较为理想的方法.

A new kind of nickel stripping agent was developed agent of meta-nitrobenzene sodium sulfonate as oxidant.

以 防 染盐(间硝基苯磺酸钠)为氧化剂,研制了一种新型的化学退镍剂.

The steam and condensation backwater system of original nitrobenzene installation is unreasonable on energy using.

原硝基苯装置的蒸汽及冷凝回水系统用能不合理.