triple point

简明释义

三相点

英英释义

The triple point is the specific temperature and pressure at which three phases of a substance (gas, liquid, and solid) coexist in thermodynamic equilibrium.

三相点是特定的温度和压力,在该条件下,物质的三种相(气体、液体和固体)处于热力学平衡状态。

例句

1.Water reaches its triple point at precisely 0.01 degrees Celsius and a pressure of 611.657 pascals.

水在精确的0.01摄氏度和611.657帕斯卡的压力下达到其三相点

2.The concept of triple point is crucial in thermodynamics as it defines the specific conditions under which all three phases of a substance coexist in equilibrium.

在热力学中,三相点的概念至关重要,因为它定义了物质的所有三种相在平衡下共存的特定条件。

3.In phase diagrams, the triple point is represented as a unique point where solid, liquid, and gas phases intersect.

在相图中,三相点被表示为固体、液体和气体相交的独特点。

4.Understanding the triple point of carbon dioxide is essential for designing systems that utilize dry ice.

了解二氧化碳的三相点对于设计利用干冰的系统至关重要。

5.At the triple point, the chemical potential of all three phases is equal, allowing for a stable equilibrium.

三相点,所有三种相的化学势能相等,从而允许稳定的平衡。

作文

The concept of the triple point is a fascinating and essential part of thermodynamics and physical chemistry. It refers to the unique set of conditions at which three phases of a substance coexist in thermodynamic equilibrium. For instance, when we think about water, the triple point occurs at a specific temperature and pressure where ice, liquid water, and water vapor can exist together stably. This phenomenon is not just a scientific curiosity; it has practical implications in various fields, including meteorology, material science, and even the culinary arts.To understand the triple point, we first need to discuss the phases of matter. Typically, substances exist in one of three states: solid, liquid, or gas. The transition between these states is influenced by temperature and pressure. For example, heating ice causes it to melt into liquid water, while further heating turns that water into steam. However, there is a specific condition under which all three states can coexist. This is the triple point.The triple point of water occurs at exactly 0.01 degrees Celsius and a pressure of 611.657 pascals. This precise measurement is critical for scientists because it provides a standard reference point for temperature calibration. In fact, the triple point of water is used to define the Kelvin temperature scale, which is fundamental in scientific research and applications.Beyond its scientific significance, the triple point also has intriguing implications in nature and technology. In meteorology, understanding the triple point helps meteorologists predict weather patterns and phenomena such as clouds and precipitation. The coexistence of water in different phases plays a crucial role in the water cycle, influencing everything from rainfall to the formation of snowflakes.In material science, the triple point is vital for studying phase transitions in various materials. Engineers and scientists utilize this knowledge to design materials with specific properties, such as strength, flexibility, and thermal resistance. For instance, understanding the triple point of certain alloys can help in developing stronger and more resilient materials for construction and manufacturing.Interestingly, the concept of the triple point extends beyond just water. Other substances, such as carbon dioxide and sulfur, also have their own triple points. In fact, each chemical compound has a unique triple point defined by its molecular structure and interactions. This universality highlights the importance of the triple point in understanding the behavior of different materials under varying conditions.In conclusion, the triple point is not merely a scientific term; it encapsulates a fundamental principle of nature that bridges various disciplines. From its role in defining temperature scales to its applications in meteorology and material science, the triple point serves as a reminder of the intricate balance that exists in our world. As we continue to explore and understand these concepts, we gain deeper insights into the nature of matter and the universe around us.

“三相点”这一概念是热力学和物理化学中一个迷人且重要的部分。它指的是在热力学平衡状态下,物质的三种相态共存的独特条件。例如,当我们考虑水时,“三相点”发生在特定的温度和压力下,此时冰、液态水和水蒸气可以稳定地共同存在。这一现象不仅仅是科学上的好奇心;它在气象学、材料科学甚至烹饪艺术等多个领域都有实际应用。要理解“三相点”,我们首先需要讨论物质的相态。通常,物质存在于三种状态之一:固态、液态或气态。这些状态之间的转变受温度和压力的影响。例如,加热冰会使其融化成液态水,而进一步加热则会将水转化为蒸汽。然而,在特定条件下,这三种状态可以共存。这就是“三相点”。水的“三相点”发生在0.01摄氏度和611.657帕斯卡的压力下。这个精确的测量对科学家至关重要,因为它提供了温度校准的标准参考点。实际上,水的“三相点”被用来定义开尔文温标,这在科学研究和应用中是基础性的。除了其科学意义外,“三相点”在自然和技术方面也有着引人入胜的影响。在气象学中,理解“三相点”帮助气象学家预测天气模式和现象,如云和降水。水的不同相态的共存在水循环中起着至关重要的作用,影响着从降雨到雪花形成的方方面面。在材料科学中,“三相点”对于研究各种材料的相变至关重要。工程师和科学家利用这些知识设计具有特定性质的材料,如强度、柔韧性和热阻。例如,了解某些合金的“三相点”可以帮助开发更强大、更具韧性的建筑和制造材料。有趣的是,“三相点”的概念并不仅限于水。其他物质,如二氧化碳和硫,也有自己的“三相点”。实际上,每种化合物都有一个独特的“三相点”,由其分子结构和相互作用决定。这种普遍性突显了“三相点”在理解不同材料在各种条件下行为的重要性。总之,“三相点”不仅仅是一个科学术语;它概括了自然的一个基本原理,连接了多个学科。从其在定义温度标度中的作用,到其在气象学和材料科学中的应用,“三相点”提醒我们,世界上存在着微妙的平衡。随着我们继续探索和理解这些概念,我们对物质的本质和周围宇宙的深刻见解也在不断加深。

相关单词

triple

triple详解:怎么读、什么意思、用法