phase change

简明释义

相变

英英释义

例句

1.The phase change of ice melting into water is a common example in science classes.

冰融化成水的相变是在科学课上常见的例子。

2.When water boils, it undergoes a phase change from liquid to gas.

当水沸腾时，它经历了从液体到气体的相变。

3.In cooking, understanding the phase change of ingredients can improve your recipes.

在烹饪中，理解食材的相变可以改善你的食谱。

4.During the phase change of sublimation, solid carbon dioxide turns directly into gas.

在升华的相变过程中，固态二氧化碳直接转变为气体。

5.The phase change from solid to liquid is essential in metallurgy.

固体到液体的相变在冶金学中是至关重要的。

作文

Phase changes are fundamental processes that occur in the physical world, where a substance transitions from one state of matter to another. This phenomenon is most commonly observed in the transitions between solid, liquid, and gas states. Understanding phase change (相变) is crucial in various scientific fields, including physics, chemistry, and environmental science. One of the most familiar examples of phase change (相变) is the melting of ice into water. When ice is heated, the energy absorbed causes the molecules to vibrate more rapidly, eventually overcoming the forces holding them in a rigid structure. As a result, the solid ice transforms into liquid water. Conversely, when water is cooled, it loses energy, and the molecules slow down, allowing them to form a solid structure again, thus freezing back into ice. This process illustrates the concept of phase change (相变) in a simple yet effective manner. Another common phase change (相变) is the vaporization of water into steam. When water is heated to its boiling point, the molecules gain enough energy to break free from the liquid state and enter the gaseous state. This transition is essential for many natural processes, such as weather patterns and the water cycle. Understanding how and why these phase changes (相变) occur helps scientists predict weather conditions and manage water resources effectively. In addition to these everyday examples, phase changes (相变) play a significant role in industrial applications. For instance, in the food industry, the freezing and thawing of products are critical processes that affect quality and safety. The phase change (相变) from liquid to solid during freezing can help preserve food by inhibiting the growth of bacteria. However, improper handling of these phase changes (相变) can lead to spoilage and foodborne illnesses. Thus, understanding the science behind phase changes (相变) is vital for ensuring food safety. Moreover, phase changes (相变) are also significant in the context of climate change. The melting of polar ice caps and glaciers is a direct result of temperature increases, leading to a phase change (相变) from solid ice to liquid water. This not only contributes to rising sea levels but also affects global weather patterns. By studying these phase changes (相变), scientists can better understand the implications of climate change and develop strategies to mitigate its effects. In conclusion, phase changes (相变) are essential phenomena that occur in various contexts, from everyday life to complex scientific research. They illustrate the dynamic nature of matter and the energy transformations that accompany these transitions. By grasping the concept of phase change (相变), we can appreciate the intricate processes that govern our physical world and apply this knowledge to improve our lives and protect our environment.

相变是物理世界中发生的基本过程，其中物质从一种物态转变为另一种物态。这种现象最常见于固态、液态和气态之间的转变。理解相变（phase change）在物理学、化学和环境科学等多个科学领域中至关重要。相变的一个最熟悉的例子是冰融化成水。当冰被加热时，吸收的能量使分子的振动变得更加剧烈，最终克服了将它们保持在刚性结构中的力。因此，固体冰转变为液态水。相反，当水被冷却时，它失去能量，分子减慢运动，从而允许它们再次形成固体结构，因此重新冻结成冰。这个过程以简单而有效的方式说明了相变（phase change）的概念。另一个常见的相变是水蒸发成蒸汽。当水被加热到其沸点时，分子获得足够的能量以突破液态状态，进入气态状态。这种转变对许多自然过程至关重要，例如天气模式和水循环。理解这些相变（phase change）发生的方式和原因有助于科学家预测天气条件并有效管理水资源。除了这些日常例子外，相变（phase change）在工业应用中也发挥着重要作用。例如，在食品工业中，产品的冷冻和解冻是影响质量和安全的重要过程。冷冻过程中液态转变为固态的相变可以通过抑制细菌生长来帮助保存食品。然而，不当处理这些相变（phase change）可能导致食品变质和食源性疾病。因此，理解相变背后的科学对于确保食品安全至关重要。此外，相变（phase change）在气候变化的背景下也非常重要。极地冰盖和冰川的融化直接是温度上升的结果，导致固态冰转变为液态水。这不仅导致海平面上升，还影响全球天气模式。通过研究这些相变（phase change），科学家可以更好地理解气候变化的影响，并制定减缓其影响的策略。总之，相变（phase change）是发生在各种背景下的重要现象，从日常生活到复杂的科学研究。它们展示了物质的动态特性以及伴随这些转变的能量转化。通过掌握相变（phase change）的概念，我们可以欣赏支配我们物理世界的复杂过程，并将这一知识应用于改善我们的生活和保护我们的环境。