heat of hydration

简明释义

水化热

英英释义

例句

1.Engineers must consider the heat of hydration 水合热 when designing structures that will be exposed to high temperatures.

工程师在设计将暴露于高温的结构时，必须考虑水合热 heat of hydration。

2.The heat of hydration 水合热 is an important factor in determining the temperature changes during the mixing of concrete.

在混凝土搅拌过程中，水合热 heat of hydration 是决定温度变化的重要因素。

3.The heat of hydration 水合热 can affect the curing process of cement-based materials.

水泥基材料的固化过程可能会受到水合热 heat of hydration 的影响。

4.The heat of hydration 水合热 is crucial for predicting the thermal behavior of concrete over time.

预测混凝土随时间变化的热行为时，水合热 heat of hydration 是至关重要的。

5.In a laboratory setting, we measured the heat of hydration 水合热 of different cement samples.

在实验室环境中，我们测量了不同水泥样品的水合热 heat of hydration。

作文

The concept of heat of hydration refers to the amount of heat energy released or absorbed when a substance dissolves in water, particularly when ionic compounds dissociate into their constituent ions. This phenomenon is crucial in various fields, including chemistry, environmental science, and engineering. When a salt such as sodium chloride (NaCl) is added to water, it dissociates into its sodium and chloride ions. The process of breaking these ionic bonds requires energy, but the formation of new interactions between the ions and water molecules releases a significant amount of energy, which is quantified as the heat of hydration.Understanding the heat of hydration is essential for predicting the behavior of substances in aqueous solutions. For example, when designing chemical processes or formulating products, knowing how much heat will be released or absorbed can influence temperature control and reaction rates. In industries such as pharmaceuticals, food production, and construction, the heat of hydration can affect product stability and performance.In the context of concrete, the heat of hydration plays a vital role. When cement is mixed with water, a series of exothermic reactions occur, leading to the hardening of the material. The heat of hydration generated during this process can raise the temperature of the concrete significantly, which can lead to thermal cracking if not managed properly. Therefore, engineers must consider the heat of hydration when planning large concrete pours, especially in hot weather conditions.Moreover, the heat of hydration is not only relevant in industrial applications but also in natural processes. For instance, the dissolution of salts in seawater contributes to the thermal dynamics of ocean currents. Understanding these interactions helps scientists predict climate patterns and ecological changes in marine environments.In summary, the heat of hydration is a fundamental concept that describes the thermal energy changes associated with the dissolution of substances in water. Its implications extend beyond the laboratory, influencing practical applications in various industries and natural systems. By grasping the significance of the heat of hydration, we can better understand chemical processes and their impact on our world.

“水合热”这一概念是指物质溶解在水中时释放或吸收的热能，特别是在离子化合物分解为其组成离子时。这一现象在化学、环境科学和工程等多个领域至关重要。当像氯化钠（NaCl）这样的盐被加入水中时，它会解离成钠离子和氯离子。打破这些离子键的过程需要能量，但离子与水分子之间形成新相互作用会释放出大量能量，这个过程的量化就是“水合热”。理解“水合热”对于预测物质在水溶液中的行为至关重要。例如，在设计化学过程或配方产品时，了解将释放或吸收多少热量可以影响温度控制和反应速率。在制药、食品生产和建筑等行业，“水合热”可能会影响产品的稳定性和性能。在混凝土的背景下，“水合热”发挥着重要作用。当水泥与水混合时，会发生一系列放热反应，导致材料的硬化。在这个过程中产生的“水合热”可以显著提高混凝土的温度，如果管理不当，可能导致热裂缝。因此，工程师在计划大型混凝土浇筑时，必须考虑“水合热”，尤其是在炎热的天气条件下。此外，“水合热”不仅与工业应用相关，也与自然过程有关。例如，盐在海水中的溶解会影响海洋洋流的热动力学。理解这些相互作用有助于科学家预测气候模式和海洋环境中的生态变化。总之，“水合热”是一个基本概念，描述了物质在水中溶解时与热能变化相关的现象。它的影响超越了实验室，对各个行业和自然系统中的实际应用产生影响。通过掌握“水合热”的重要性，我们可以更好地理解化学过程及其对我们世界的影响。