air entrainment

简明释义

夹杂空气

英英释义

例句

1.The process of concrete mixing can be improved by controlling air entrainment, which helps in reducing water demand.

通过控制气泡引入，可以改善混凝土搅拌过程，从而减少水的需求。

2.Engineers often measure air entrainment in asphalt mixtures to enhance durability and reduce cracking.

工程师通常测量沥青混合物中的气泡引入以增强耐久性并减少开裂。

3.Research shows that air entrainment affects the freeze-thaw resistance of concrete structures.

研究表明，气泡引入影响混凝土结构的冻融抗力。

4.In the production of foam concrete, air entrainment is essential for achieving the desired density and insulation properties.

在泡沫混凝土的生产中，气泡引入对于实现所需的密度和绝缘性能至关重要。

5.A higher level of air entrainment can improve the workability of fresh concrete.

更高水平的气泡引入可以改善新鲜混凝土的可加工性。

作文

Air entrainment is a crucial phenomenon that occurs in various natural and engineered systems. It refers to the process by which air is incorporated into a fluid, such as water or concrete, during its movement or mixing. Understanding air entrainment is essential for several applications, including construction, environmental engineering, and even culinary arts. This essay will explore the significance of air entrainment, its mechanisms, and its implications in different fields.In civil engineering, air entrainment plays a vital role in the production of concrete. When air bubbles are intentionally introduced into the concrete mix, it enhances the material's durability and workability. The tiny air pockets created through air entrainment help to absorb stresses caused by freeze-thaw cycles, preventing cracks and extending the lifespan of structures. Moreover, air entrainment improves the flow of concrete, making it easier to pour and shape. This is particularly important in large-scale construction projects where efficiency and quality are paramount.In environmental contexts, air entrainment can influence the behavior of aquatic ecosystems. For instance, in rivers and streams, the mixing of air and water is essential for maintaining oxygen levels, which are crucial for the survival of fish and other aquatic organisms. The process of air entrainment in flowing water helps to increase the dissolved oxygen content, promoting a healthy ecosystem. Engineers often design water treatment facilities with air entrainment mechanisms to enhance the oxygenation of wastewater, thereby improving the efficiency of biological treatment processes.Culinary arts also benefit from an understanding of air entrainment. Chefs often use techniques that involve incorporating air into mixtures to achieve desired textures and flavors. For example, when whipping cream or egg whites, the goal is to create a stable foam by trapping air bubbles within the liquid. The science behind air entrainment in cooking not only enhances the aesthetics of dishes but also affects their mouthfeel and overall enjoyment.Furthermore, air entrainment is significant in atmospheric sciences. In meteorology, the interaction between air and water bodies can lead to the formation of clouds and precipitation. The process of air entrainment in the atmosphere is responsible for transporting moisture and heat, influencing weather patterns and climate. Understanding how air entrainment works in this context can help scientists predict weather events and assess climate change impacts.In conclusion, air entrainment is a multifaceted concept that permeates various disciplines. From enhancing the properties of concrete to supporting aquatic life and influencing culinary techniques, the implications of air entrainment are profound. As we continue to explore and understand this phenomenon, its applications will undoubtedly expand, leading to innovations in engineering, environmental management, and beyond. Recognizing the importance of air entrainment allows us to appreciate the intricate connections between air, water, and the systems they influence.

空气夹带是一个重要的现象，发生在各种自然和工程系统中。它指的是空气在流体（如水或混凝土）运动或混合过程中被纳入的过程。理解空气夹带对于多个应用至关重要，包括建筑、环境工程甚至烹饪艺术。本文将探讨空气夹带的重要性、其机制及其在不同领域的影响。在土木工程中，空气夹带在混凝土生产中发挥着重要作用。当空气泡被故意引入混凝土混合物中时，它增强了材料的耐久性和可操作性。通过空气夹带产生的微小气泡有助于吸收由冻融循环造成的应力，从而防止开裂并延长结构的使用寿命。此外，空气夹带改善了混凝土的流动性，使其更容易浇筑和成型。这在大型建设项目中尤为重要，因为效率和质量至关重要。在环境背景下，空气夹带可能会影响水生生态系统的行为。例如，在河流和溪流中，空气和水的混合对维持氧气水平至关重要，这对鱼类和其他水生生物的生存至关重要。流动水中的空气夹带过程有助于提高溶解氧含量，促进健康的生态系统。工程师通常设计水处理设施，利用空气夹带机制来增强废水的氧合，从而提高生物处理过程的效率。烹饪艺术也受益于对空气夹带的理解。厨师们经常使用涉及将空气纳入混合物的技术，以达到所需的质地和风味。例如，在打发奶油或蛋白时，目标是通过在液体中捕获气泡来创造稳定的泡沫。烹饪中空气夹带背后的科学不仅提升了菜肴的美观，还影响了其口感和整体享受。此外，空气夹带在大气科学中也很重要。在气象学中，空气与水体之间的相互作用可以导致云和降水的形成。大气中的空气夹带过程负责运输水分和热量，影响天气模式和气候。理解空气夹带在这一背景下的工作原理，可以帮助科学家预测天气事件并评估气候变化的影响。总之，空气夹带是一个多方面的概念，渗透到各个学科中。从增强混凝土的性质到支持水生生命，再到影响烹饪技术，空气夹带的影响深远。随着我们继续探索和理解这一现象，其应用无疑会扩展，导致工程、环境管理等领域的创新。认识到空气夹带的重要性使我们能够欣赏空气、水和它们所影响的系统之间复杂的联系。