bottom settlings

简明释义

残油

英英释义

例句

1.After the fermentation process, we need to remove the bottom settlings 底部沉淀物 to ensure a clean product.

发酵过程后，我们需要去除底部沉淀物 底部沉淀物以确保产品的洁净。

2.In brewing, it’s important to monitor the bottom settlings 底部沉淀物 for any unwanted bacteria.

在酿造过程中，监控底部沉淀物 底部沉淀物中的任何不良细菌是很重要的。

3.We discovered that the bottom settlings 底部沉淀物 contained a lot of nutrients for the plants.

我们发现底部沉淀物 底部沉淀物中含有大量植物所需的营养成分。

4.During the filtration process, the bottom settlings 底部沉淀物 can clog the filter, so we must be careful.

在过滤过程中，底部沉淀物 底部沉淀物可能会堵塞过滤器，因此我们必须小心。

5.The winemaker carefully siphoned off the wine, leaving the bottom settlings 底部沉淀物 behind.

酿酒师小心地抽取了葡萄酒，留下了底部沉淀物 底部沉淀物。

作文

In the world of environmental science and engineering, the term bottom settlings refers to the accumulation of materials that settle at the bottom of a body of water, such as a river, lake, or reservoir. This phenomenon is crucial for understanding sedimentation processes and their impact on aquatic ecosystems. Bottom settlings can include organic matter, nutrients, and various pollutants that have been washed into the water from surrounding land. The study of these deposits is essential for managing water quality and maintaining healthy aquatic habitats.The process of sedimentation begins when particles in the water column become heavy enough to overcome the forces that keep them suspended. This can occur due to several factors, including changes in water velocity, temperature, and chemical composition. As these particles settle, they contribute to the formation of bottom settlings, which can vary greatly in composition based on the surrounding environment. For instance, in urban areas, bottom settlings may contain higher levels of heavy metals and other contaminants, whereas in rural areas, they might be more organic in nature, consisting of decomposed plant and animal matter.Understanding bottom settlings is vital for various reasons. First, they play a significant role in the nutrient cycling within aquatic systems. As organic materials decompose at the bottom, they release nutrients back into the water column, supporting the growth of algae and other aquatic plants. However, excessive bottom settlings can lead to problems such as eutrophication, where an overabundance of nutrients causes harmful algal blooms that deplete oxygen levels in the water, endangering fish and other aquatic life.Moreover, bottom settlings can also affect the physical characteristics of the water body. Thick layers of settled material can alter the habitat for benthic organisms—those that live on or near the bottom—by changing the substrate composition and affecting their feeding and breeding behaviors. In some cases, bottom settlings can even lead to the formation of anaerobic conditions, where oxygen levels are insufficient to support most marine life, resulting in dead zones.To manage and mitigate the effects of bottom settlings, environmental scientists often engage in monitoring programs that assess sediment quality and quantity. These studies help identify pollution sources and inform remediation efforts, such as dredging contaminated sediments or restoring natural vegetation along shorelines to reduce runoff. Furthermore, public awareness campaigns can educate communities about the importance of reducing pollution and protecting local waterways from excessive sedimentation.In conclusion, bottom settlings are a critical aspect of aquatic ecosystems that require careful study and management. By understanding their formation, composition, and impacts, we can take steps to protect our water resources and ensure a healthy environment for future generations. The interplay between bottom settlings, water quality, and aquatic life underscores the importance of integrated approaches to environmental stewardship, highlighting the need for collaboration among scientists, policymakers, and the public to safeguard our precious water bodies.

在环境科学和工程领域，术语底部沉积物指的是在水体底部（如河流、湖泊或水库）沉积的材料的积累。这一现象对于理解沉积过程及其对水生生态系统的影响至关重要。底部沉积物可以包括有机物、养分以及从周围土地冲入水中的各种污染物。研究这些沉积物对于管理水质和维持健康的水生栖息地是必不可少的。沉积过程开始于水柱中的颗粒变得足够重，以克服保持它们悬浮的力量。这可能由于多种因素而发生，包括水流速度、温度和化学成分的变化。当这些颗粒沉降时，它们会形成底部沉积物，其成分根据周围环境的不同而大相径庭。例如，在城市地区，底部沉积物可能含有较高水平的重金属和其他污染物，而在农村地区，它们可能更具有机性质，由分解的植物和动物物质组成。了解底部沉积物至关重要，原因有很多。首先，它们在水生系统中的营养循环中发挥着重要作用。当底部的有机物分解时，它们将养分释放回水柱中，支持藻类和其他水生植物的生长。然而，过量的底部沉积物可能导致富营养化问题，即养分过剩导致有害的藻类繁殖，消耗水中的氧气，危及鱼类和其他水生生命。此外，底部沉积物还可以影响水体的物理特征。厚厚的沉积物层可能通过改变基质组成和影响底栖生物的觅食和繁殖行为来改变底部生物的栖息地。在某些情况下，底部沉积物甚至可能导致厌氧条件的形成，即氧气水平不足以支持大多数海洋生命，从而导致死区的出现。为了管理和减轻底部沉积物的影响，环境科学家通常参与监测项目，以评估沉积物的质量和数量。这些研究有助于识别污染源并告知修复工作，例如疏浚受污染的沉积物或恢复沿海岸线的天然植被以减少径流。此外，公众意识运动可以教育社区减少污染和保护当地水道免受过度沉积的影响。总之，底部沉积物是水生生态系统的一个关键方面，需要仔细研究和管理。通过理解它们的形成、成分和影响，我们可以采取措施保护水资源，并确保未来世代拥有健康的环境。底部沉积物、水质和水生生命之间的相互作用突显了综合环境管理方法的重要性，强调了科学家、政策制定者和公众之间合作的必要性，以保护我们珍贵的水体。