eutectic point

简明释义

低共熔点共晶点

英英释义

例句

1.When a substance reaches its eutectic point, it can solidify at a lower temperature than its individual components.

当一种物质达到其共晶点时，它可以在比其单个成分更低的温度下固化。

2.The eutectic point in the phase diagram helps chemists predict the behavior of mixtures.

相图中的共晶点帮助化学家预测混合物的行为。

3.In metallurgy, understanding the eutectic point is crucial for designing alloys with desirable properties.

在冶金学中，理解共晶点对设计具有理想特性的合金至关重要。

4.The mixture of salt and water reaches its eutectic point when the temperature drops to a specific level, allowing for efficient freezing.

当温度降到特定水平时，盐和水的混合物达到其共晶点，从而实现高效冷冻。

5.The eutectic point of lead and tin is significant for soldering applications in electronics.

铅和锡的共晶点对于电子产品中的焊接应用具有重要意义。

作文

The concept of the eutectic point is a fundamental principle in materials science and thermodynamics. It refers to the specific composition of a mixture of substances that results in the lowest melting point for that combination. This phenomenon occurs when two or more components, such as metals or alloys, are mixed together in precise proportions. At the eutectic point (共晶点), the mixture solidifies at a single temperature, which is lower than the melting points of the individual components. Understanding this concept is crucial for various applications, including metallurgy, refrigeration, and even cooking.In metallurgy, the eutectic point plays a significant role in the formation of alloys. For instance, the lead-tin alloy exhibits a eutectic point at a specific ratio of lead to tin, allowing it to melt and solidify uniformly. This property is particularly advantageous in soldering applications, where a consistent melting point ensures reliable connections in electronic devices. By carefully controlling the composition of the alloy, manufacturers can optimize its performance and durability.Another area where the eutectic point is relevant is in the field of refrigeration. Certain refrigerants are designed to operate effectively at their respective eutectic points. For example, the use of salt and ice mixtures in ice cream making exploits the eutectic point to achieve lower temperatures, resulting in smoother textures. The ability to combine different substances to reach a eutectic point allows for innovative approaches to freezing and cooling processes.Moreover, understanding the eutectic point has implications in the food industry. Chefs often rely on the principles of phase changes to create unique culinary experiences. For example, the process of tempering chocolate involves heating and cooling it to specific temperatures, often around the eutectic point of cocoa butter. This technique ensures that the chocolate has a glossy finish and a satisfying snap when broken.The study of the eutectic point also extends to the field of chemistry, particularly in the formulation of pharmaceuticals. Many drugs are formulated as solid mixtures, and the eutectic point can influence their solubility and bioavailability. By understanding how different compounds interact at their eutectic point, chemists can design more effective medications with improved therapeutic effects.In conclusion, the eutectic point is a critical concept that transcends multiple disciplines. Its significance in metallurgy, refrigeration, culinary arts, and pharmaceuticals highlights the interconnectedness of scientific principles across various fields. By grasping the importance of the eutectic point, we can better appreciate the complexity of materials and their behaviors, leading to advancements in technology and innovation. As research continues to explore the nuances of phase transitions and material properties, the eutectic point will undoubtedly remain a key focus for scientists and engineers alike.

“共晶点”是材料科学和热力学中的一个基本概念。它指的是一种物质混合物的特定成分，在该组合中会产生最低的熔点。当两种或更多成分（如金属或合金）以精确比例混合时，就会发生这种现象。在“共晶点”（eutectic point）处，混合物在单一温度下固化，该温度低于各个成分的熔点。理解这一概念对于冶金、制冷甚至烹饪等各种应用至关重要。在冶金中，“共晶点”在合金的形成中起着重要作用。例如，铅锡合金在特定的铅与锡比例下表现出一个“共晶点”，使其能够均匀地熔化和固化。这一特性在焊接应用中尤其有利，因为一致的熔点确保了电子设备中可靠的连接。通过仔细控制合金的成分，制造商可以优化其性能和耐用性。“共晶点”在制冷领域同样相关。某些制冷剂被设计为在其各自的“共晶点”有效运行。例如，盐和冰混合物在制作冰淇淋时利用“共晶点”达到更低的温度，从而得到更光滑的质地。结合不同物质以达到“共晶点”的能力为冷冻和冷却过程提供了创新的方法。此外，理解“共晶点”在食品工业中也有重要意义。厨师们常常依赖相变原理来创造独特的烹饪体验。例如，巧克力的调温过程涉及将其加热和冷却到特定温度，通常在可可脂的“共晶点”附近。这一技术确保巧克力具有光泽的外观和破碎时令人满意的脆感。“共晶点”的研究还延伸到化学领域，特别是在制药配方中。许多药物以固体混合物的形式配制，而“共晶点”会影响其溶解度和生物利用度。通过了解不同化合物在其“共晶点”处的相互作用，化学家们可以设计出更有效的药物，具有更好的治疗效果。总之，“共晶点”是一个跨越多个学科的关键概念。它在冶金、制冷、烹饪艺术和制药中的重要性突显了各领域科学原理之间的相互联系。通过掌握“共晶点”的重要性，我们可以更好地理解材料及其行为的复杂性，从而推动技术和创新的发展。随着研究继续探索相变和材料特性的细微差别，“共晶点”无疑将继续成为科学家和工程师关注的重点。