The mutagenicities of these extracts after nitrosation were about 5 times higher than that of the original shrimp sauce.
亚硝化处理后，其诱变性较虾酱直接亚硝化时高5倍左右。
This paper discussed the influence on the biochemical oxygen demand, ammoniation and nitrosation by barium of different levels in water.
本文就不同浓度的钡对天然水的生化需氧过程、氨化及亚硝化过程的影响进行了探讨。
Therefore, it may be concluded that control of aerobic reaction ending at nitrosation stage is the key to the maintenance and stabilization of short-cut nitrification.
因此可以得出，好氧反应时间的控制在亚硝化阶段基本结束时是维持并稳定短程硝化的关键。
Compared with the traditional method of nitrosation of butanone, this method has many advantages, such as simple operation, high yield, and low environmental pollution due to recycling of oxidant.
该方法与传统的丁酮亚硝化法相比，具有操作简单、产率高的优点，而且氧化剂可再生循环使用，对环境的污染小。
A new spectrophotometric method for the determination of trace nitrite is studied. The method is based on the nitrosation reaction of xylene cyanol FF with nitrite in diluted hydrochloric acid medium.
研究了在稀盐酸介质中微量亚硝酸根与二甲苯蓝FF发生的亚硝化反应，建立了测定微量亚硝酸根的新方法。
A new spectrophotometric method for the determination of trace nitrite is studied. The method is based on the nitrosation reaction of xylene cyanol FF with nitrite in diluted hydrochloric acid medium.
研究了在稀盐酸介质中微量亚硝酸根与二甲苯蓝FF发生的亚硝化反应，建立了测定微量亚硝酸根的新方法。
应用推荐