upflow

简明释义

英[ʌpˈfləʊ]美[ˈʌpfloʊ]

v. 向上流

n. 上升气流

英英释义

单词用法

同义词

反义词

例句

1.To reduce the heavy load on dust collectors upflow beds were soon replaced by downflow fluidized beds.

为了减轻粉尘收集器的负荷，上流式流化床不久被下流式流化床所取代。

2.The removal efficiencies of 3-nitrophenol(3-NP) and 2,6-dinitrophnol (2,6-DNP) were investigated in two lab-scale upflow anaerobic sludge bed(UASB) reactors using two different co-substrates.

用实验室规模的2个UASB反应器，分别研究了以葡萄糖和乙酸钠为共基质条件下3-硝基酚（3-NP）和2，6-二硝基酚（2，6-DNP）的降解效果。

3.To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds.

为了减轻粉尘收集器的负荷，上流式流化床不久被下流式流化床所取代。

4.Two methods to start-up the upflow anaerobic sludge blanket bed (UASB) reactor were investigated.

对UASB反应器两种启动方式作了比较研究。

5.The removal efficiencies of 3-nitrophenol(3-NP) and 2,6-dinitrophnol (2,6-DNP) were investigated in two lab-scale upflow anaerobic sludge bed(UASB) reactors using two different co-substrates.

用实验室规模的2个UASB反应器，分别研究了以葡萄糖和乙酸钠为共基质条件下3-硝基酚（3-NP）和2，6-二硝基酚（2，6-DNP）的降解效果。

6.The optimal designs of horizontal sedimentation tanks and plated upflow sedimentation tanks are made when sedimentation data is provided or not.

文中主要研究了平流式沉淀池、异向流斜板沉淀池的优化设计问题。

7.The paper presents the structure principle of anaerobic upflow filler. and makes a summary for its technical DE sign and design parameter.

介绍上流式厌氧滤池的结构原理，并对上流式厌氧滤池工艺设计方法和设计参数进行总结。

8.The water in the river experiences an upflow 上升流 during the rainy season, which increases its volume.

在雨季，河水经历了一个上升流，这增加了它的水量。

9.The fish migrate upstream due to the upflow 上升流 of nutrients in the water.

由于水中营养物质的上升流，鱼类向上游迁移。

10.During the experiment, we observed a significant upflow 上升流 of gas from the reaction chamber.

在实验过程中，我们观察到反应室中有显著的上升流气体。

11.The upflow 上升流 of air can create a cooling effect in the building's design.

空气的上升流可以在建筑设计中产生降温效果。

12.In geothermal systems, upflow 上升流 of heated water is essential for energy extraction.

在地热系统中，热水的上升流对于能量提取至关重要。

作文

In the field of environmental science, the concept of upflow (上升流) is crucial when discussing water movement in aquifers and wetlands. Upflow refers to the process where water moves vertically upwards through soil or rock layers. This phenomenon is essential for understanding how groundwater interacts with surface water and how ecosystems thrive in wetland areas. One significant example of upflow can be observed in natural springs, where groundwater emerges at the surface due to pressure differences within the aquifer. The upflow of water not only supports various plant and animal species but also plays a vital role in maintaining the hydrological cycle. For instance, wetlands, which are often characterized by their saturated soils, rely heavily on upflow to sustain their unique biodiversity. Moreover, the concept of upflow is also relevant in engineered systems such as constructed wetlands and bioreactors. In these systems, the intentional design allows for the upflow of water to enhance the treatment of pollutants. By promoting upflow, these systems can effectively filter contaminants, providing cleaner water that can be safely returned to the environment. The importance of upflow extends beyond ecological implications; it also has significant socio-economic impacts. Communities that depend on groundwater resources are directly affected by changes in upflow patterns caused by climate change or human activities. For example, excessive groundwater extraction can lead to a decrease in upflow, resulting in drier conditions and affecting agriculture and local ecosystems. Furthermore, understanding upflow dynamics is essential for effective water resource management. Policymakers and environmental engineers must consider upflow when designing sustainable water systems and implementing conservation strategies. By recognizing the role of upflow in the hydrological cycle, we can better manage our water resources and protect our ecosystems. In conclusion, upflow (上升流) is a fundamental concept in both natural and engineered systems that highlights the vertical movement of water. Its significance permeates various fields, from ecology to water resource management, emphasizing the interconnectedness of water systems. As we face increasing environmental challenges, a deeper understanding of upflow will be critical in developing solutions that promote sustainability and resilience in our water resources.

在环境科学领域，upflow（上升流）的概念对于讨论地下水和湿地中的水运动至关重要。Upflow 指的是水通过土壤或岩石层垂直向上移动的过程。这种现象对于理解地下水如何与地表水相互作用以及生态系统如何在湿地区域繁荣至关重要。Upflow 的一个显著例子可以在天然泉水中观察到，在那里，由于含水层内的压力差，地下水在地表涌出。Upflow 的水不仅支持各种植物和动物物种，还在维持水文循环中发挥着至关重要的作用。例如，湿地通常以其饱和的土壤为特征，极大地依赖于 upflow 来维持其独特的生物多样性。此外，upflow 的概念在工程系统中也很相关，例如人工湿地和生物反应器。在这些系统中，故意设计允许水的 upflow 以增强污染物的处理。通过促进 upflow，这些系统可以有效地过滤污染物，提供可以安全返回环境的更清洁的水。Upflow 的重要性超越了生态影响；它还具有显著的社会经济影响。依赖地下水资源的社区直接受到气候变化或人类活动导致的 upflow 模式变化的影响。例如，过度抽取地下水可能导致 upflow 的减少，从而导致干燥条件并影响农业和当地生态系统。此外，理解 upflow 动态对于有效的水资源管理至关重要。政策制定者和环境工程师在设计可持续水系统和实施保护策略时必须考虑 upflow。通过认识到 upflow 在水文循环中的作用，我们可以更好地管理水资源并保护生态系统。总之，upflow（上升流）是自然和工程系统中的一个基本概念，突出了水的垂直运动。它的重要性渗透到各个领域，从生态学到水资源管理，强调了水系统之间的相互联系。随着我们面临日益增加的环境挑战，对 upflow 的更深入理解将对开发促进可持续性和水资源韧性的解决方案至关重要。