nitrosation

简明释义

英[naɪˈtroʊseɪʃən]美[naɪˈtroʊseɪʃən]

n. [化学] 亚硝化；亚硝化作用

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.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。

4.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。

5.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。

6.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。

7.In organic chemistry, nitrosation is often used to modify amines.

在有机化学中，亚硝化常用于修饰胺。

8.The study highlighted the role of nitrosation in tobacco-related cancers.

该研究强调了亚硝化在与烟草相关癌症中的作用。

9.The nitrosation reaction can lead to the formation of carcinogenic compounds.

亚硝化反应可能导致致癌化合物的形成。

10.The process of nitrosation is crucial in the synthesis of certain pharmaceuticals.

在某些药物的合成中，亚硝化过程是至关重要的。

11.Researchers are investigating the effects of nitrosation on food safety.

研究人员正在调查亚硝化对食品安全的影响。

作文

Nitrosation is a chemical reaction that involves the introduction of a nitroso group (–NO) into an organic compound. This process is significant in various fields, including organic chemistry, pharmaceuticals, and environmental science. Understanding the mechanisms and implications of nitrosation can provide valuable insights into the behavior of certain compounds and their potential effects on human health and the environment.In organic chemistry, nitrosation typically occurs when a nitrogen-containing compound reacts with a nitrosating agent, such as nitrous acid or sodium nitrite. This reaction can lead to the formation of nitroso derivatives, which are often more reactive than their parent compounds. The significance of this reaction lies not only in the synthesis of new compounds but also in the study of the reactivity and stability of existing ones.One of the most critical applications of nitrosation is in the pharmaceutical industry. Many drugs undergo nitrosation during their metabolism, which can alter their efficacy and safety profiles. For instance, certain nitroso compounds have been identified as potential carcinogens, raising concerns about their presence in medications and food products. This has prompted researchers to investigate the conditions under which nitrosation occurs and to develop strategies to mitigate its effects.Moreover, nitrosation plays a role in environmental science, particularly concerning pollution and the formation of harmful substances. Nitrogen oxides, which are prevalent in industrial emissions and vehicle exhaust, can react with other compounds in the atmosphere to form nitroso compounds. These reactions can contribute to air pollution and have detrimental effects on both human health and the environment. Understanding the pathways and conditions that lead to nitrosation can help in developing better regulatory measures and pollution control strategies.Furthermore, the study of nitrosation extends to the field of biochemistry, where it is involved in various physiological processes. For example, the nitrosation of amino acids can influence protein function and signaling pathways within cells. This highlights the importance of nitrosation not only in synthetic chemistry but also in biological systems, where it can affect cellular communication and metabolic regulation.In conclusion, nitrosation is a crucial chemical process with wide-ranging implications in chemistry, pharmacology, environmental science, and biochemistry. Its ability to modify organic compounds and influence their properties makes it a topic of significant interest for researchers and practitioners alike. By continuing to study nitrosation, scientists can uncover new insights into the behavior of chemical compounds and develop strategies to manage their effects on health and the environment. As we advance our understanding of this process, we can better navigate the challenges it presents and harness its potential benefits for society.

亚硝化是一个化学反应，涉及将亚硝基团（–NO）引入有机化合物中。这个过程在有机化学、制药和环境科学等多个领域具有重要意义。理解亚硝化的机制和影响可以为我们提供对某些化合物行为及其对人类健康和环境潜在影响的宝贵见解。在有机化学中，亚硝化通常发生在含氮化合物与亚硝化试剂（如亚硝酸或亚硝酸钠）反应时。该反应可以导致亚硝基衍生物的形成，这些衍生物通常比其母体化合物更具反应性。此反应的重要性不仅在于新化合物的合成，还在于对现有化合物的反应性和稳定性研究。亚硝化的一个关键应用是在制药行业。许多药物在其代谢过程中会经历亚硝化，这可能会改变它们的有效性和安全性。例如，某些亚硝基化合物已被确定为潜在的致癌物，这引发了对它们在药物和食品产品中存在的担忧。这促使研究人员调查亚硝化发生的条件，并制定减轻其影响的策略。此外，亚硝化在环境科学中也发挥着作用，尤其是在污染和有害物质的形成方面。氮氧化物在工业排放和汽车废气中普遍存在，可能与大气中的其他化合物反应形成亚硝基化合物。这些反应可能会导致空气污染，并对人类健康和环境产生不利影响。了解导致亚硝化的途径和条件可以帮助制定更好的监管措施和污染控制策略。此外，亚硝化的研究还扩展到生物化学领域，在各种生理过程中发挥作用。例如，氨基酸的亚硝化可以影响蛋白质功能和细胞内信号通路。这突显了亚硝化在合成化学和生物系统中的重要性，因为它可能影响细胞通信和代谢调节。总之，亚硝化是一个关键的化学过程，对化学、药理学、环境科学和生物化学具有广泛的影响。它修改有机化合物并影响其性质的能力使其成为研究人员和从业者关注的重要主题。通过继续研究亚硝化，科学家可以揭示化学化合物行为的新见解，并制定管理其对健康和环境影响的策略。随着我们对这一过程的理解不断深入，我们可以更好地应对其带来的挑战，并利用其潜在的社会利益。