water equivalent

简明释义

水当量

英英释义

例句

1.The water equivalent 水当量 of a certain type of soil can affect its drainage properties.

某种类型土壤的水当量 水当量可以影响其排水特性。

2.The snowpack in the mountains is measured in terms of its water equivalent 水当量 to predict spring runoff.

山中的积雪量以其水当量 水当量来测量，以预测春季融水。

3.In hydrology, understanding the water equivalent 水当量 of rainfall helps in flood forecasting.

在水文学中，了解降雨的水当量 水当量有助于洪水预测。

4.Farmers often calculate the water equivalent 水当量 of irrigation to optimize water usage.

农民通常计算灌溉的水当量 水当量以优化用水。

5.Meteorologists use the concept of water equivalent 水当量 to assess snowmelt contributions to river flows.

气象学家使用水当量 水当量的概念来评估融雪对河流流量的贡献。

作文

The concept of water equivalent is crucial in various scientific fields, particularly in physics and engineering. It refers to the amount of water that would absorb the same amount of heat as a given substance when both are subjected to the same temperature change. This principle is often applied in calorimetry, where it helps scientists and engineers understand thermal energy transfer. For instance, when we measure the heat capacity of a particular material, we can express it in terms of its water equivalent, allowing for easier comparison with water's known properties.To illustrate this, consider a scenario where a metal block is heated and then placed in a container of water. The heat lost by the metal will be equal to the heat gained by the water, assuming no heat is lost to the surroundings. By knowing the specific heat capacities of both the metal and water, we can calculate how much water would be needed to absorb the same amount of heat as the metal block. This is where the term water equivalent comes into play, as it provides a standardized measurement that simplifies calculations in thermal dynamics.Understanding water equivalent is not only important in theoretical applications but also has practical implications. In the field of environmental science, for example, researchers might use the concept to assess the impact of temperature changes in aquatic ecosystems. By determining the water equivalent of various pollutants or substances released into water bodies, scientists can predict how these substances will affect the water temperature and, consequently, the organisms living within that environment.Moreover, in the context of climate change, the water equivalent concept becomes even more relevant. As global temperatures rise, understanding how different materials interact with heat is essential for developing effective strategies to mitigate the effects of climate change. Engineers might design new materials with higher water equivalent values to enhance energy efficiency in buildings, thereby reducing reliance on heating and cooling systems.In everyday life, we may not explicitly think about water equivalent, but its principles are at work around us. For example, when cooking, we often boil water to prepare food. The time it takes for water to reach boiling point can be influenced by the water equivalent of the pot we use. A heavier pot may take longer to heat up due to its higher water equivalent, which means it requires more energy to achieve the same temperature change as a lighter pot.In conclusion, the term water equivalent encompasses a vital concept in understanding heat transfer and energy efficiency across multiple disciplines. From scientific research to practical applications in daily life, recognizing the significance of water equivalent can lead to better decision-making and innovations that contribute to a more sustainable future. As we continue to explore the complexities of our world, the principles behind water equivalent will remain an essential part of our toolkit for understanding and interacting with our environment.

“水当量”这一概念在多个科学领域中至关重要，尤其是在物理学和工程学中。它指的是在相同温度变化下，能够吸收与某种物质相同热量的水的量。这个原理通常应用于热量测定法，帮助科学家和工程师理解热能转移。例如，当我们测量某种材料的热容时，可以用其“水当量”来表示，从而便于与水的已知特性进行比较。为了说明这一点，考虑一个场景：一个金属块被加热后放入一容器中的水中。假设没有热量损失到周围环境，金属块失去的热量将等于水获得的热量。通过知道金属和水的比热容，我们可以计算出需要多少水来吸收与金属块相同的热量。这时，“水当量”这个术语就派上了用场，因为它提供了一种标准化的测量方式，简化了热力学中的计算。理解“水当量”不仅在理论应用中重要，还具有实际意义。在环境科学领域，例如，研究人员可能会利用该概念评估温度变化对水生生态系统的影响。通过确定各种污染物或物质在水体中的“水当量”，科学家可以预测这些物质如何影响水温，从而影响生活在该环境中的生物。此外，在气候变化的背景下，“水当量”概念变得更加相关。随着全球气温上升，理解不同材料与热量的相互作用对于制定有效的气候变化缓解策略至关重要。工程师可能会设计具有更高“水当量”的新材料，以提高建筑的能源效率，从而减少对供暖和制冷系统的依赖。在日常生活中，我们可能不会明确想到“水当量”，但其原理在我们周围的工作中发挥着作用。例如，在烹饪时，我们常常煮水来准备食物。水达到沸点所需的时间可能会受到我们使用的锅的“水当量”的影响。较重的锅可能由于其较高的“水当量”而需要更长的时间加热，这意味着其需要更多的能量才能实现与较轻锅相同的温度变化。总之，“水当量”这一术语涵盖了理解热传递和能效的重要概念，适用于多个学科。从科学研究到日常生活中的实际应用，认识到“水当量”的重要性可以带来更好的决策和创新，为实现可持续未来做出贡献。随着我们继续探索世界的复杂性，“水当量”背后的原理将仍然是理解和与环境互动的工具箱中不可或缺的一部分。