nitrifier

简明释义

英[ˈnaɪtrɪfaɪə(r)]美[ˈnaɪtrɪˌfaɪər]

n. [微] 硝化细菌；氮化物

英英释义

单词用法

同义词

反义词

例句

1.Our Company now has a production linc of AOX, Organo Silicone, Nitrifier and etc. We provide the domestic and oversea Pharmaceutical Industry with intermediates of supreme quality.

公司目前产品以有机卤化物、有机硅卤化物及氮化物系列产品为主，为国内和国外制药工业提供高质量中间体。

2.Our Company now has a production linc of AOX, Organo Silicone, Nitrifier and etc. We provide the domestic and oversea Pharmaceutical Industry with intermediates of supreme quality.

公司目前产品以有机卤化物、有机硅卤化物及氮化物系列产品为主，为国内和国外制药工业提供高质量中间体。

3.Ihese two issues can be solved simultaneously by bioaugment, that is sewage sludge water is used to enrichment the nitrifier, and then added to the sewage treatment system.

针对这两个问题，本文利用污水厂的污泥水富集硝化菌，然后添加到污水处理系统，探讨生物添加对污水处理系统硝化性能与生物群落结构及数量的影响。

4.The experimental results showed that the nitrite accumulation obtained from selective inhibition of high concentration free ammonia to nitrifier was unstable.

试验结果表明：通过高浓度游离氨对硝化菌选择性抑制所获得的亚硝酸盐积累是不稳定的；

5.A heterotrophic nitrifier, named strain HN, was isolated from the greenhouse soil. The cells of isolates were Gram positive, rod or coccus.

从大棚土壤中分离到一株异养型硝化细菌，命名为菌株HN ，分离菌株为革兰氏染色阳性，球状或杆状。

6.The soil is rich in nitrifiers, which help convert ammonia into nitrates.

土壤中富含硝化细菌，它们帮助将氨转化为硝酸盐。

7.In aquaponics, nitrifiers play a crucial role in maintaining water quality.

在水产养殖系统中，硝化细菌在维持水质方面起着关键作用。

8.Farmers often introduce nitrifiers to enhance soil fertility.

农民常常引入硝化细菌以增强土壤肥力。

9.Research shows that certain plants can stimulate the growth of nitrifiers in the rhizosphere.

研究表明，某些植物可以刺激根际中硝化细菌的生长。

10.The presence of nitrifiers is essential for the nitrogen cycle in ecosystems.

在生态系统中，硝化细菌的存在对于氮循环至关重要。

作文

In the intricate web of life, every organism plays a crucial role, and among these, the nitrifier is particularly significant. nitrifier (硝化细菌) refers to a group of microorganisms that are essential in the nitrogen cycle, a process vital for maintaining the ecological balance in our environment. These organisms convert ammonia into nitrites and then into nitrates, which are forms of nitrogen that plants can readily absorb and utilize for growth. Without nitrifiers, the ecosystem would struggle to sustain plant life, ultimately affecting all other organisms that rely on plants for food and oxygen. The nitrogen cycle begins when animals excrete waste or when organic matter decomposes, releasing ammonia into the soil. This ammonia can be toxic in high concentrations, but nitrifiers come to the rescue by transforming it into less harmful substances. The first step in this process is carried out by ammonia-oxidizing bacteria (AOB), which oxidize ammonia to nitrite. Following this, nitrite-oxidizing bacteria (NOB) further convert nitrite into nitrate. This two-step process is crucial because while plants can absorb nitrates easily, they cannot directly use ammonia. Understanding the role of nitrifiers is not just an academic exercise; it has practical implications for agriculture and environmental management. Farmers often apply fertilizers that contain ammonia to enhance crop yields. However, if the soil lacks sufficient nitrifiers, the ammonia can accumulate and lead to toxicity, harming both plants and soil health. By promoting the growth of nitrifying bacteria through practices such as crop rotation and organic farming, farmers can ensure that their soil remains healthy and productive. Moreover, nitrifiers play a pivotal role in wastewater treatment processes. In municipal wastewater treatment plants, the presence of nitrifying bacteria helps to reduce the levels of ammonia and nitrite in the water before it is released back into the environment. This not only protects aquatic ecosystems but also helps to meet regulatory standards for water quality. Thus, the work of nitrifiers extends beyond agriculture into the realm of environmental conservation and public health. However, the health of nitrifier populations can be threatened by various factors. Environmental changes, such as climate change, pollution, and habitat destruction, can disrupt their habitats and diminish their populations. For instance, excessive use of chemical fertilizers can lead to nutrient runoff, which may create conditions that are unfavorable for nitrifiers to thrive. Therefore, understanding the delicate balance of ecosystems and the role of nitrifiers is essential for sustainable development. In conclusion, nitrifiers are indispensable players in the nitrogen cycle, facilitating the conversion of ammonia into forms that are usable by plants. Their contributions extend from agricultural productivity to environmental sustainability, highlighting the interconnectedness of life on Earth. As we face global challenges such as food security and environmental degradation, recognizing and preserving the roles of organisms like nitrifiers will be crucial for our future. By fostering healthy ecosystems, we not only support the survival of nitrifiers but also ensure the well-being of our planet and all its inhabitants.

在生命的复杂网络中，每种生物都扮演着至关重要的角色，其中nitrifier（硝化细菌）尤其重要。nitrifier指的是一组在氮循环中至关重要的微生物，这一过程对维持我们环境的生态平衡至关重要。这些生物将氨转化为亚硝酸盐，然后再转化为硝酸盐，后者是植物可以方便吸收和利用的氮的形式。如果没有nitrifiers，生态系统将难以维持植物生命，最终影响所有依赖植物提供食物和氧气的其他生物。 氮循环始于动物排泄废物或有机物分解，释放氨进入土壤。这种氨在高浓度下可能是有毒的，但nitrifiers通过将其转化为较不有害的物质来拯救局面。这个过程的第一步由氨氧化细菌（AOB）完成，它们将氨氧化为亚硝酸盐。随后，亚硝酸盐氧化细菌（NOB）进一步将亚硝酸盐转化为硝酸盐。这个两步过程至关重要，因为虽然植物可以轻松吸收硝酸盐，但它们无法直接使用氨。 理解nitrifiers的作用不仅仅是学术上的探讨；它对农业和环境管理具有实际意义。农民通常施用含氨的肥料以提高作物产量。然而，如果土壤缺乏足够的nitrifiers，氨可能会积累并导致毒性，损害植物和土壤健康。通过采用轮作和有机农业等实践促进nitrifying细菌的生长，农民可以确保他们的土壤保持健康和富有生产力。 此外，nitrifiers在污水处理过程中也发挥着关键作用。在市政污水处理厂，nitrifying细菌的存在有助于降低水中氨和亚硝酸盐的水平，然后再将其释放回环境中。这不仅保护了水生生态系统，还帮助满足水质的监管标准。因此，nitrifiers的工作超越了农业，延伸到环境保护和公共健康的领域。 然而，nitrifier种群的健康可能受到各种因素的威胁。环境变化，如气候变化、污染和栖息地破坏，可能会扰乱它们的栖息地并减少它们的种群。例如，过度使用化肥可能导致养分径流，从而可能创造出不利于nitrifiers繁荣的条件。因此，理解生态系统的微妙平衡以及nitrifiers的作用对于可持续发展至关重要。 总之，nitrifiers是氮循环中不可或缺的参与者，促进氨转化为植物可用的形式。它们的贡献从农业生产力延伸到环境可持续性，突显了地球上生命的相互联系。随着我们面临全球性挑战，如粮食安全和环境退化，认识和保护像nitrifiers这样的生物的作用对我们的未来至关重要。通过培育健康的生态系统，我们不仅支持nitrifiers的生存，还确保我们星球及其所有居民的福祉。