melting point

简明释义

熔点

英英释义

例句

1.Understanding the melting point of a substance is crucial for many chemical processes.

理解物质的熔点对许多化学过程至关重要。

2.The melting point of ice is 0 degrees Celsius, which means it turns into water at this temperature.

冰的熔点是0摄氏度，这意味着在这个温度下它会变成水。

3.The melting point of butter is around 32 degrees Celsius, making it easy to melt.

黄油的熔点约为32摄氏度，使其易于融化。

4.Different metals have different melting points, which affects their use in construction.

不同的金属有不同的熔点，这影响了它们在建筑中的使用。

5.When cooking chocolate, it's important not to exceed its melting point to avoid burning.

在烹饪巧克力时，重要的是不要超过其熔点以避免烧焦。

作文

The concept of the melting point refers to the temperature at which a solid becomes a liquid. This scientific principle is not only crucial in chemistry but also has broader implications in various fields, including cooking, manufacturing, and even climate science. Understanding the melting point can help us comprehend how materials behave under different conditions, which is essential for both practical applications and theoretical studies.In chemistry, the melting point is a characteristic property of substances. For example, the melting point of ice is 0 degrees Celsius. When the temperature rises to this point, the solid ice transitions into liquid water. This phenomenon occurs because the heat energy supplied to the ice molecules causes them to vibrate more vigorously, eventually breaking the bonds that hold them in a rigid structure. The melting point can vary significantly between different substances; for instance, metals like iron have much higher melting points than organic compounds.In the culinary world, understanding the melting point is vital for achieving the desired textures and flavors in food preparation. For instance, when making chocolate, it is important to melt it at the right temperature to avoid burning it. The melting point of chocolate is around 30 to 32 degrees Celsius, which is lower than the temperature of boiling water. Chefs often use this knowledge to create smooth, glossy finishes on desserts or to temper chocolate correctly, ensuring it hardens with a satisfying snap.Manufacturers also rely on the knowledge of melting points when selecting materials for specific applications. For example, plastics are chosen based on their melting points to ensure they can withstand the temperatures they will encounter during use. If a plastic component has a low melting point, it may deform or lose its structural integrity in high-temperature environments, leading to product failure. Therefore, engineers must consider the melting point of materials during the design process to ensure safety and reliability.Moreover, the melting point has significant implications in climate science. As global temperatures rise due to climate change, the melting points of polar ice caps and glaciers are being affected. This melting contributes to rising sea levels, which poses a threat to coastal communities worldwide. Scientists study the melting points of various ice types to predict future changes in our climate and to develop strategies for mitigating these effects.In conclusion, the term melting point encompasses a fundamental scientific principle that extends beyond the confines of a laboratory. It plays a critical role in various industries, from culinary arts to engineering and environmental science. By understanding the melting point, we gain insights into material properties, enhance our cooking techniques, and address pressing global challenges related to climate change. Thus, the melting point serves as a bridge connecting diverse fields of study and practical applications, underscoring the importance of interdisciplinary knowledge in our increasingly complex world.

“熔点”这一概念指的是固体变为液体的温度。这个科学原理不仅在化学中至关重要，还在烹饪、制造业甚至气候科学等多个领域具有更广泛的意义。理解“熔点”可以帮助我们理解材料在不同条件下的行为，这对实际应用和理论研究都是必不可少的。在化学中，“熔点”是物质的一个特征属性。例如，冰的“熔点”为0摄氏度。当温度升高到这个点时，固体冰转变为液态水。这一现象发生是因为提供给冰分子的热能使它们振动得更加剧烈，最终打破了将它们保持在刚性结构中的键。不同物质之间的“熔点”可能有显著差异；例如，铁等金属的“熔点”远高于有机化合物。在烹饪世界中，理解“熔点”对于实现食品准备中所需的质地和风味至关重要。例如，在制作巧克力时，必须在正确的温度下将其融化，以避免烧焦。巧克力的“熔点”约为30到32摄氏度，低于沸水的温度。厨师们通常利用这一知识来为甜点创造光滑、光亮的外观，或正确地调温巧克力，确保其硬化时发出令人满意的脆响。制造商在选择特定应用的材料时也依赖于对“熔点”的了解。例如，塑料的选择基于其“熔点”，以确保它们能够承受使用过程中遇到的温度。如果一种塑料组件的“熔点”较低，它可能会在高温环境中变形或失去结构完整性，从而导致产品故障。因此，工程师在设计过程中必须考虑材料的“熔点”，以确保安全性和可靠性。此外，“熔点”在气候科学中具有重要意义。由于气候变化，全球气温上升，极地冰盖和冰川的“熔点”正受到影响。这种融化导致海平面上升，对全球沿海社区构成威胁。科学家们研究各种冰类型的“熔点”，以预测未来气候变化，并制定减缓这些影响的策略。总之，术语“熔点”涵盖了一个基本的科学原理，超越了实验室的界限。它在多个行业中发挥着关键作用，从烹饪艺术到工程和环境科学。通过理解“熔点”，我们获得了对材料属性的洞察，提升了烹饪技巧，并解决与气候变化相关的紧迫全球挑战。因此，“熔点”成为连接不同研究领域和实际应用的桥梁，强调了在日益复杂的世界中跨学科知识的重要性。