denitration

简明释义

英[diːˈnaɪtreɪʃən]美[diːnaɪˈtreɪʃn]

n. [化学] 脱硝；脱硝酸盐作用

英英释义

单词用法

同义词

反义词

例句

1.The creation mechanism and reaction process of free radicals in denitration process using free radicals and non-equilibrium plasma were discussed.

探讨了自由基与非平衡等离子体脱硝过程中自由基的产生机制及反应过程；

2.The present invention provides a reducer nozzle used for denitration by an SNCR method.

本发明提供一种用于SNCR法脱硝的还原剂喷嘴。

3.The experimental results showed that the modified absorbents had preferable performance of simultaneous desulfurization, denitration and mercury removal from flue gas.

平行实验显示，改性吸收剂具有较好的同时脱硫脱硝脱汞性能。

4.The invention discloses a supported SCR denitration catalyst of medium and low temperature flue gas and a preparation method and application thereof.

本发明公开了一种中低温烟气的负载型SCR脱硝催化剂及制备方法和应用。

5.A source says denitration subsidies electric policies or thermal power and pollution emission standards on together.

有消息称，脱硝补贴电价政策或与火电排污标准一起出台。

6.The method enhances the denitration efficiency, improves the utilization rate of the biomass and the amino reducer, and reduces the generation and emission of secondary contaminants.

本方法提高了脱硝效率，提高了生物质及氨基还原剂的利用率，减少二次污染物生成和排放。

7.The denitration temperature is measured with an DR-thermometer and checked with an optic fiber thermometer.

用红外温度计及光纤温度计测量微波场中温度。

8.The denitration process is often used in aquaculture to maintain water quality.

在水产养殖中，通常使用脱氮过程来维持水质。

9.The process of denitration is essential in wastewater treatment to reduce nitrogen levels.

在废水处理过程中，脱氮过程对于降低氮含量至关重要。

10.Farmers often implement denitration techniques to improve soil quality and crop yield.

农民通常实施脱氮技术来改善土壤质量和作物产量。

11.In industrial settings, denitration methods are applied to prevent environmental pollution.

在工业环境中，应用脱氮方法以防止环境污染。

12.Research indicates that denitration can significantly decrease greenhouse gas emissions.

研究表明，脱氮可以显著减少温室气体排放。

作文

Denitrification is a crucial process in the nitrogen cycle, where nitrogen compounds are converted back into nitrogen gas (N2) by various microorganisms. This process helps to reduce the amount of nitrates and nitrites in the soil and water, which can be harmful in excess. One specific type of this process is called denitration (脱氮作用), which refers to the step of reducing nitrates to nitrogen gas. Understanding denitration (脱氮作用) is essential for managing agricultural practices and mitigating environmental issues such as water pollution.In agriculture, fertilizers containing high levels of nitrogen are often used to enhance crop growth. However, when these fertilizers are applied excessively, they can leach into nearby water bodies, leading to eutrophication, a process that causes algal blooms and depletes oxygen in the water. Here, denitration (脱氮作用) plays a vital role. By converting excess nitrates back into harmless nitrogen gas, denitration (脱氮作用) helps restore balance to the ecosystem.Moreover, denitration (脱氮作用) is not just important in agricultural settings; it also has significant implications for wastewater treatment. In many wastewater treatment plants, denitration (脱氮作用) processes are employed to remove nitrates from sewage before it is discharged into rivers or oceans. This not only protects aquatic life but also ensures that the water returned to the environment is cleaner and safer.The mechanisms of denitration (脱氮作用) involve several types of bacteria, including Pseudomonas and Paracoccus species. These bacteria thrive in anaerobic conditions, where oxygen is limited. They utilize nitrates as an alternative electron acceptor during their metabolic processes, gradually reducing them to nitrogen gas. This biological process is highly efficient and illustrates the intricate relationships between organisms and their environments.However, despite its benefits, denitration (脱氮作用) can be influenced by various factors such as temperature, pH, and the presence of organic matter. For instance, warmer temperatures tend to enhance microbial activity, thus speeding up denitration (脱氮作用). Conversely, extreme pH levels can inhibit bacterial growth and reduce the effectiveness of the process.In conclusion, denitration (脱氮作用) is a fundamental process that contributes significantly to the health of ecosystems. It helps manage nitrogen levels in both agricultural lands and wastewater systems, thereby preventing pollution and promoting sustainability. As we continue to face challenges related to environmental degradation, understanding and enhancing denitration (脱氮作用) will be crucial for developing effective strategies to protect our planet's resources and maintain ecological balance.

脱氮作用是氮循环中的一个关键过程，其中氮化合物被各种微生物转化回氮气（N2）。这个过程有助于减少土壤和水中的硝酸盐和亚硝酸盐的含量，过量时可能会造成危害。这个过程的一个特定类型称为denitration（脱氮作用），指的是将硝酸盐还原为氮气的步骤。理解denitration（脱氮作用）对于管理农业实践和减轻水污染等环境问题至关重要。在农业中，通常使用含有高氮水平的肥料来促进作物生长。然而，当这些肥料过量施用时，它们可能会渗入附近的水体，导致富营养化，这一过程会引起藻类暴发并耗尽水中的氧气。在这里，denitration（脱氮作用）发挥着至关重要的作用。通过将多余的硝酸盐转化为无害的氮气，denitration（脱氮作用）有助于恢复生态系统的平衡。此外，denitration（脱氮作用）不仅在农业环境中重要；它在废水处理方面也具有重要意义。在许多废水处理厂中，采用denitration（脱氮作用）过程去除污水中的硝酸盐，然后再排放到河流或海洋中。这不仅保护了水生生物，还确保返回环境的水更清洁、更安全。denitration（脱氮作用）的机制涉及几种类型的细菌，包括假单胞菌和巴拉库克斯属。这些细菌在厌氧条件下生存，其氧气有限。它们在代谢过程中将硝酸盐作为替代电子受体，逐渐将其还原为氮气。这个生物过程非常高效，展示了生物体与其环境之间复杂的关系。然而，尽管有其好处，denitration（脱氮作用）仍可能受到温度、pH值和有机物存在等各种因素的影响。例如，较高的温度往往能增强微生物的活动，从而加速denitration（脱氮作用）。相反，极端的pH值可能抑制细菌生长，并降低该过程的有效性。总之，denitration（脱氮作用）是一个基本过程，对生态系统的健康贡献显著。它帮助管理农业土地和废水系统中的氮水平，从而防止污染并促进可持续发展。随着我们继续面临与环境退化相关的挑战，理解和增强denitration（脱氮作用）对制定有效的保护我们星球资源和维持生态平衡的策略至关重要。