univariant system

简明释义

单变系

英英释义

例句

1.Understanding a univariant system 单变系统 is crucial for predicting the behavior of materials during phase changes.

理解单变系统对于预测材料在相变过程中的行为至关重要。

2.In metallurgy, the study of a univariant system 单变系统 helps in designing alloys with specific properties.

在冶金学中，研究单变系统有助于设计具有特定性质的合金。

3.The univariant system 单变系统 can be analyzed using the Gibbs phase rule to determine its properties.

可以使用吉布斯相规则分析单变系统以确定其性质。

4.A univariant system 单变系统 has a fixed relationship between pressure and temperature at a given composition.

在给定成分下，单变系统在压力和温度之间有固定关系。

5.In a phase diagram, a point in a univariant system 单变系统 indicates that the system is at equilibrium with one degree of freedom.

在相图中，单变系统的一个点表示该系统在一个自由度下处于平衡状态。

作文

In the field of thermodynamics and phase equilibria, the term univariant system refers to a system that has exactly one degree of freedom. This means that if you specify any two of the three variables—temperature, pressure, or composition—you can determine the third variable. Understanding a univariant system is crucial for scientists and engineers who study material properties and phase transitions. For instance, consider a water-salt solution at a specific temperature and pressure. If the temperature is fixed at 100 degrees Celsius and the pressure is maintained at one atmosphere, the concentration of salt in the solution becomes the only variable that can change without altering the state of the system. Therefore, we say that this system is univariant because it can only exist under these specific conditions.The concept of a univariant system is essential when discussing phase diagrams. A phase diagram visually represents the different phases of a substance at various temperatures and pressures. In a typical phase diagram, lines separate different phases, and at the intersection of these lines, we find points that represent univariant systems. These points indicate conditions where two phases coexist in equilibrium, such as the melting point of ice or the boiling point of water. At these points, if we know the temperature and pressure, we can only have one specific composition of the mixture.Moreover, understanding univariant systems plays a significant role in geology, particularly in studying metamorphic rocks. During the formation of these rocks, changes in temperature and pressure can lead to the crystallization of minerals. Geologists often use univariant systems to predict which minerals will form under certain conditions. For example, if they identify a rock formed at a specific temperature and pressure, they can infer the mineral composition based on the principles of univariant systems. This knowledge helps in reconstructing the geological history of an area and understanding the processes that shaped it.In conclusion, the concept of a univariant system is fundamental in various scientific disciplines, including chemistry, materials science, and geology. By grasping the principles behind univariant systems, researchers can better understand the behavior of different materials under varying conditions, leading to advancements in technology and science. Whether it is predicting the outcome of a chemical reaction, understanding the stability of a mineral, or analyzing the properties of a new material, the implications of univariant systems are vast and impactful. As we continue to explore the complexities of nature, the significance of these systems will undoubtedly grow, providing deeper insights into the intricate workings of our world.

在热力学和相平衡领域，术语univariant system指的是一个具有恰好一个自由度的系统。这意味着，如果你指定了温度、压力或成分中的任意两个变量，你就可以确定第三个变量。理解univariant system对研究材料特性和相变的科学家和工程师至关重要。例如，考虑一个特定温度和压力下的水盐溶液。如果温度固定在100摄氏度，压力保持在一个大气压，那么溶液中盐的浓度就是唯一可以改变的变量，而不改变系统的状态。因此，我们说这个系统是univariant的，因为它只能在这些特定条件下存在。univariant system的概念在讨论相图时至关重要。相图以可视化的方式表示物质在不同温度和压力下的不同相。在典型的相图中，线条分隔不同的相，而在这些线条的交点上，我们找到代表univariant systems的点。这些点表示两种相在平衡中共存的条件，例如冰的熔点或水的沸点。在这些点上，如果我们知道温度和压力，我们只能有一种特定的混合物成分。此外，理解univariant systems在地质学中也发挥着重要作用，特别是在研究变质岩时。在这些岩石的形成过程中，温度和压力的变化可能导致矿物的结晶。地质学家常常利用univariant systems来预测在某些条件下会形成哪些矿物。例如，如果他们识别出一块在特定温度和压力下形成的岩石，他们可以根据univariant systems的原理推断出矿物的成分。这种知识有助于重建一个地区的地质历史，并理解塑造它的过程。总之，univariant system的概念在化学、材料科学和地质学等多个科学学科中是基础性的。通过掌握univariant systems背后的原理，研究人员可以更好地理解不同材料在变化条件下的行为，从而推动技术和科学的发展。无论是预测化学反应的结果、理解矿物的稳定性，还是分析新材料的特性，univariant systems的影响都是广泛而深远的。随着我们继续探索自然的复杂性，这些系统的重要性无疑将增长，为我们提供对世界复杂运作的更深入见解。