active nitrogen

简明释义

活性氮

英英释义

例句

1.The process of nitrogen fixation involves the conversion of atmospheric nitrogen into usable forms, primarily through the action of active nitrogen 活性氮.

氮固定的过程涉及将大气中的氮转化为可用形式，主要通过活性氮 active nitrogen的作用。

2.The environmental impact of active nitrogen 活性氮 is a significant concern for ecologists.

对于生态学家来说，活性氮 active nitrogen的环境影响是一个重要问题。

3.In agriculture, fertilizers often contain active nitrogen 活性氮 to enhance plant growth.

在农业中，肥料通常含有活性氮 active nitrogen以促进植物生长。

4.The reaction between ammonia and oxygen produces active nitrogen 活性氮, which is crucial in many industrial processes.

氨和氧之间的反应产生了活性氮 active nitrogen，这在许多工业过程中至关重要。

5.Researchers are studying how active nitrogen 活性氮 can be used to improve soil health.

研究人员正在研究如何利用活性氮 active nitrogen来改善土壤健康。

作文

Active nitrogen is a term that refers to nitrogen in a reactive state, capable of participating in various chemical reactions. This concept is particularly important in the fields of chemistry and environmental science. Understanding the role of active nitrogen can help us grasp its significance in both natural processes and industrial applications.In nature, nitrogen is abundant in the atmosphere, making up about 78% of the air we breathe. However, most of this nitrogen exists in a stable diatomic form (N2), which is not directly usable by most living organisms. To become biologically available, nitrogen must be converted into a more reactive form, such as ammonia (NH3) or nitrate (NO3-). This conversion process is often facilitated by certain bacteria in the soil, a phenomenon known as nitrogen fixation. The resulting active nitrogen compounds are essential for plant growth, as they are key components of amino acids, proteins, and nucleic acids.In agriculture, the use of fertilizers containing active nitrogen is crucial for enhancing crop yields. Farmers often apply nitrogen-based fertilizers to their fields to ensure that plants have sufficient nutrients for optimal growth. However, the overuse of these fertilizers can lead to environmental issues, such as water pollution and the disruption of local ecosystems. When excess fertilizer runs off into waterways, it can cause algal blooms, depleting oxygen levels in the water and harming aquatic life. Therefore, understanding how to manage the use of active nitrogen in agriculture is vital for sustainable farming practices.In industrial settings, active nitrogen plays a significant role in various chemical processes. For instance, in the production of nitric acid, nitrogen gas is oxidized to produce nitrogen oxides, which are then further processed to yield nitric acid. This compound is widely used in the manufacture of fertilizers, explosives, and other chemicals. Additionally, active nitrogen is also employed in the production of ammonia through the Haber process, a method that synthesizes ammonia from nitrogen and hydrogen gases under high temperature and pressure. This process is fundamental to the global supply of fertilizers and has had a profound impact on food production worldwide.Moreover, the study of active nitrogen extends to environmental concerns, particularly in relation to climate change. Nitrous oxide (N2O), a potent greenhouse gas, is produced as a byproduct of agricultural practices involving nitrogen fertilizers. Understanding the dynamics of active nitrogen in the environment can help scientists develop strategies to mitigate its impact on climate change.In conclusion, active nitrogen is a crucial element in both natural ecosystems and industrial processes. Its reactivity allows it to participate in essential biochemical pathways, supporting life on Earth. However, with its benefits come challenges, particularly in terms of environmental management. As we continue to explore the complexities of nitrogen in our world, it is imperative that we balance its use in agriculture and industry with the need to protect our ecosystems and combat climate change. By understanding and managing active nitrogen, we can contribute to a more sustainable future for our planet.

活性氮是一个术语，指的是处于反应状态的氮，能够参与各种化学反应。这个概念在化学和环境科学领域尤其重要。理解活性氮的作用可以帮助我们掌握它在自然过程和工业应用中的重要性。在自然界中，氮在大气中丰富，占我们呼吸的空气约78%。然而，绝大多数这种氮以稳定的二原子形式（N2）存在，这种形式对大多数生物体来说不可直接利用。为了变得生物可用，氮必须被转化为更具反应性的形式，如氨（NH3）或硝酸盐（NO3-）。这个转化过程通常由土壤中的某些细菌促进，这一现象称为氮固定。生成的活性氮化合物对植物生长至关重要，因为它们是氨基酸、蛋白质和核酸的关键成分。在农业中，含有活性氮的肥料的使用对于提高作物产量至关重要。农民通常在田地上施用氮基肥料，以确保植物有足够的养分以实现最佳生长。然而，过度使用这些肥料可能导致环境问题，如水污染和当地生态系统的破坏。当多余的肥料流入水道时，会导致藻类大量繁殖，耗尽水中的氧气并危害水生生物。因此，理解如何管理农业中活性氮的使用对于可持续农业实践至关重要。在工业环境中，活性氮在各种化学过程中发挥着重要作用。例如，在硝酸的生产中，氮气被氧化以产生氮氧化物，然后进一步加工以产生硝酸。这种化合物广泛用于肥料、炸药和其他化学品的制造。此外，活性氮还用于通过哈伯法生产氨，这是一种在高温和高压下将氮和氢气合成氨的方法。这个过程对全球肥料供应至关重要，并对世界粮食生产产生了深远的影响。此外，活性氮的研究还涉及到环境问题，特别是与气候变化相关的方面。氧化亚氮（N2O）是一种强效温室气体，是农业实践中使用氮肥的副产品。理解环境中活性氮的动态可以帮助科学家制定减轻其对气候变化影响的策略。总之，活性氮是自然生态系统和工业过程中的关键元素。它的反应性使它能够参与基本的生化途径，支持地球上的生命。然而，伴随其益处而来的挑战也不少，特别是在环境管理方面。随着我们继续探索氮在我们世界中的复杂性，我们必须平衡其在农业和工业中的使用与保护我们的生态系统和应对气候变化的需要。通过理解和管理活性氮，我们可以为地球的可持续未来做出贡献。