dinitrogen

简明释义

英[dɑɪˈnɑɪtrədʒən]美[daɪˈnaɪtrədʒən]

n. [无化] 双氮；分子氮

英英释义

单词用法

同义词

反义词

例句

1.These creatures, now called anammox bacteria, transform caustic and hazardous ammonium into dinitrogen, the harmless nitrogen gas that makes up 78% of the air we breathe.

这些微生物被命名为anammox，它可以把碱和有害的氨转化成氮气，无害的氮气是我们呼吸的空气的主要组成成分，占到了空气的78%。

2.These creatures, now called anammox bacteria, transform caustic and hazardous ammonium into dinitrogen, the harmless nitrogen gas that makes up 78% of the air we breathe.

这些微生物被命名为anammox，它可以把碱和有害的氨转化成氮气，无害的氮气是我们呼吸的空气的主要组成成分，占到了空气的78%。

3.The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.

简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。

4.The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.

前言： 简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。

5.A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.

研究了一种五氧化二氮为硝化剂，选择性硝化缩水甘油合成缩水甘油硝酸酯的温和、高效方法。

6.There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.

在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。

7.One dinitrogen pentoxide molecule contains two nitrogen atoms and five oxygen atoms.

分子中含有两个氮原子和五个氧原子。

8.Dinitrogen monoxide is also known as laughing gas.

一氧化二氮又叫做笑气。

9.The chemical formula for the gas is N2, which is also known as dinitrogen 二氮.

这种气体的化学式是N2，也被称为dinitrogen 二氮。

10.In the atmosphere, dinitrogen 二氮 makes up about 78% of the air we breathe.

在大气中，dinitrogen 二氮占我们呼吸空气的约78%。

11.The process of nitrogen fixation converts atmospheric dinitrogen 二氮 into ammonia.

氮固定过程将大气中的dinitrogen 二氮转化为氨。

12.Plants require dinitrogen 二氮 for their growth and development.

植物的生长和发展需要dinitrogen 二氮。

13.The Haber process synthesizes ammonia from dinitrogen 二氮 and hydrogen.

哈柏过程通过dinitrogen 二氮和氢合成氨。

作文

In the realm of chemistry, understanding molecular structures and their components is essential for a comprehensive grasp of various reactions and compounds. One such compound that plays a crucial role in both atmospheric chemistry and biological processes is dinitrogen. dinitrogen (二氮) consists of two nitrogen atoms bonded together, represented by the chemical formula N₂. This diatomic molecule makes up approximately 78% of the Earth's atmosphere, making it the most abundant gas present. The significance of dinitrogen cannot be overstated. It serves as a fundamental building block for numerous biological and chemical processes. For instance, in the nitrogen cycle, dinitrogen is converted into ammonia through a process called nitrogen fixation, which is vital for plant growth. Certain bacteria in the soil can perform this conversion, allowing plants to utilize nitrogen in a form that is essential for their development. Without dinitrogen, life as we know it would not be sustainable, as nitrogen is a critical element in amino acids, proteins, and nucleic acids. Moreover, dinitrogen plays a pivotal role in industrial applications. The Haber-Bosch process, which synthesizes ammonia from dinitrogen and hydrogen, is one of the most significant chemical processes in the world. This method has revolutionized agriculture by providing fertilizers that enhance crop yields, thereby supporting a growing global population. However, the reliance on synthetic fertilizers derived from dinitrogen also raises environmental concerns, including water pollution and greenhouse gas emissions. Additionally, dinitrogen is utilized in various other industries. It is used as an inert gas in food packaging to extend shelf life by preventing oxidation. In the electronics industry, dinitrogen is employed in the production of semiconductors, where its inert properties help create a controlled environment during manufacturing processes. Furthermore, dinitrogen is essential in cryogenics, where it is used as a cooling agent due to its low boiling point. Despite its abundance and utility, dinitrogen is often overlooked in discussions about climate change and environmental sustainability. While it is a stable gas that does not contribute to the greenhouse effect directly, its conversion into reactive nitrogen compounds can lead to various environmental issues. For instance, excess nitrogen from fertilizers can runoff into water bodies, causing eutrophication, which depletes oxygen levels and harms aquatic life. In conclusion, dinitrogen is a vital component of our atmosphere and plays an integral role in numerous biological and industrial processes. Its importance in the nitrogen cycle, agricultural practices, and various industries underscores the need for a deeper understanding of this diatomic molecule. As we continue to explore sustainable practices and technologies, recognizing the dual nature of dinitrogen—as both a necessary nutrient and a potential environmental hazard—will be crucial in shaping our approach to managing nitrogen in our ecosystems. Understanding dinitrogen is not just an academic exercise; it is a step towards a more sustainable future.

在化学领域，理解分子结构及其组成对于全面掌握各种反应和化合物至关重要。一个在大气化学和生物过程中发挥关键作用的化合物是dinitrogen（二氮）。dinitrogen由两个氮原子结合而成，化学式为N₂。这个双原子分子占据了地球大气的约78%，使其成为最丰富的气体。 dinitrogen的重要性不容小觑。它作为许多生物和化学过程的基本构件。例如，在氮循环中，dinitrogen通过称为氮固定的过程转化为氨，这对植物生长至关重要。土壤中的某些细菌可以进行这种转化，使植物能够利用氮，以其对生长至关重要的形式存在。如果没有dinitrogen，我们所知道的生命将无法维持，因为氮是氨基酸、蛋白质和核酸的关键元素。 此外，dinitrogen在工业应用中也发挥着关键作用。哈柏-博世法通过将dinitrogen和氢合成氨，是世界上最重要的化学过程之一。这种方法通过提供增强作物产量的肥料，彻底改变了农业，从而支持不断增长的全球人口。然而，对来自dinitrogen的合成肥料的依赖也引发了环境问题，包括水污染和温室气体排放。 此外，dinitrogen还被用于其他多个行业。它作为惰性气体用于食品包装，以防止氧化来延长保质期。在电子行业中，dinitrogen用于半导体的生产，其惰性特性有助于在制造过程中创造受控环境。此外，dinitrogen在低温技术中也至关重要，因其低沸点被用作冷却剂。 尽管dinitrogen丰富且用途广泛，但在关于气候变化和环境可持续性的讨论中，它常常被忽视。虽然它是一种稳定气体，不直接导致温室效应，但其转化为反应性氮化合物可能导致各种环境问题。例如，过量的氮从肥料流入水体，造成富营养化，导致氧气水平降低，危害水生生命。 总之，dinitrogen是我们大气的重要组成部分，在众多生物和工业过程中发挥着不可或缺的作用。它在氮循环、农业实践和各个行业中的重要性强调了对这一双原子分子更深入理解的必要性。随着我们继续探索可持续的实践和技术，认识到dinitrogen的双重性质——既是必要的营养素，也是潜在的环境危害——对于塑造我们管理生态系统中氮的方式将至关重要。理解dinitrogen不仅仅是学术上的练习；这是迈向更加可持续未来的一步。