atmospheric nitrogen

简明释义

大气氮

英英释义

例句

1.The process of nitrogen fixation converts atmospheric nitrogen into a form usable by living organisms.

氮固定过程将大气氮转化为生物可用的形式。

2.In the nitrogen cycle, atmospheric nitrogen is converted into nitrates by bacteria.

在氮循环中，大气氮被细菌转化为硝酸盐。

3.Farmers often use legumes to enrich the soil with atmospheric nitrogen through their root nodules.

农民常常利用豆科植物通过其根瘤来丰富土壤中的大气氮。

4.Plants absorb atmospheric nitrogen to synthesize proteins essential for their growth.

植物吸收大气氮以合成对其生长至关重要的蛋白质。

5.The Haber-Bosch process synthesizes ammonia from atmospheric nitrogen for fertilizers.

哈伯-博世法通过大气氮合成氨，用于肥料。

作文

Atmospheric nitrogen, or 大气氮, is a vital component of the Earth's atmosphere, making up about 78% of its composition. This inert gas plays a crucial role in various biological and chemical processes that sustain life on our planet. Understanding the significance of 大气氮 is essential for appreciating how ecosystems function and how agricultural practices can be optimized to support food production.One of the primary roles of 大气氮 is its involvement in the nitrogen cycle, which is fundamental to all living organisms. Nitrogen is a key element in amino acids, proteins, and nucleic acids, which are the building blocks of life. However, most organisms cannot utilize atmospheric nitrogen directly due to its stable diatomic molecular form (N2). Instead, it must first be converted into more reactive forms through processes such as nitrogen fixation. This can occur naturally via lightning strikes or through the action of certain bacteria in the soil that can convert 大气氮 into ammonia or nitrates, which plants can then absorb and use for growth.The importance of 大气氮 extends beyond its role in the nitrogen cycle. In agriculture, understanding how to effectively utilize nitrogen is critical for maximizing crop yields. Farmers often apply nitrogen fertilizers to enhance soil fertility, allowing plants to grow stronger and produce more food. However, excessive use of these fertilizers can lead to environmental issues such as water pollution and greenhouse gas emissions. Thus, finding a balance in the use of 大气氮 through sustainable practices is essential for both economic viability and environmental health.Moreover, the study of 大气氮 has implications for climate change. Nitrous oxide (N2O), a greenhouse gas, is produced from the breakdown of nitrogen fertilizers and contributes significantly to global warming. Understanding the dynamics of 大气氮 and its derivatives allows scientists and policymakers to develop strategies to mitigate climate change effects while ensuring food security.In conclusion, 大气氮 is not just a passive element in our atmosphere; it is an active participant in numerous ecological and agricultural processes. By recognizing its importance and managing its use wisely, we can ensure a healthier planet and a sustainable future for generations to come. The ongoing research into the behavior and interactions of 大气氮 will continue to provide insights that are crucial for addressing some of the most pressing challenges of our time, including food production and climate change.