isolated system

简明释义

孤立系统

英英释义

例句

1.In space, a spacecraft can be considered an isolated system while traveling far from other celestial bodies.

在太空中，航天器在远离其他天体旅行时可以被视为一个孤立系统。

2.The researchers modeled the ecosystem as an isolated system to analyze its internal dynamics.

研究人员将生态系统建模为一个孤立系统以分析其内部动态。

3.An isolated system can be ideal for studying the conservation of energy principles.

孤立系统非常适合研究能量守恒原理。

4.In thermodynamics, an isolated system refers to a physical system that does not exchange matter or energy with its surroundings.

在热力学中，孤立系统指的是一个与周围环境不交换物质或能量的物理系统。

5.The experiment was conducted in an isolated system to ensure that external factors did not influence the results.

实验是在一个孤立系统中进行的，以确保外部因素不会影响结果。

作文

In the realm of physics, the concept of an isolated system plays a crucial role in understanding the fundamental principles that govern the behavior of matter and energy. An isolated system is defined as a physical system that does not interact with its surroundings; it neither exchanges matter nor energy with the external environment. This definition sets the stage for exploring the implications of such systems in various scientific contexts.One of the most significant implications of an isolated system is the conservation of energy. Within an isolated system, the total energy remains constant over time, regardless of the processes occurring within the system. This principle is foundational in both classical mechanics and thermodynamics. For instance, consider a perfectly insulated container filled with gas. If no heat is allowed to enter or leave the container, the energy within the gas will remain unchanged, even as the gas molecules collide and interact with one another.Moreover, the concept of an isolated system extends beyond the confines of physics into other fields, such as chemistry and biology. In chemical reactions, scientists often analyze reactions under the assumption of an isolated system to simplify calculations and predict outcomes. By considering a reaction that occurs in a closed vessel, researchers can focus on the changes in energy and matter without the complications introduced by external influences.In biological contexts, the idea of an isolated system can be a bit more complex. Living organisms are not isolated systems; they constantly exchange energy and matter with their environment. However, certain experiments may treat a specific part of an organism, such as a cell or an organ, as an isolated system to study its internal processes without external interference. This approach allows scientists to understand fundamental biological mechanisms while acknowledging that these systems are ultimately connected to larger ecological networks.The study of isolated systems also has philosophical implications. It raises questions about the nature of reality and our understanding of the universe. If we consider the universe itself as an isolated system, we must ponder what exists outside of it, if anything at all. This leads to discussions about the boundaries of scientific inquiry and the limitations of our understanding of the cosmos.In conclusion, the concept of an isolated system is integral to various scientific disciplines. It provides a framework for analyzing energy conservation, simplifying chemical reactions, and studying biological processes. While true isolated systems are rare in the natural world, the theoretical model serves as a valuable tool for scientists. Understanding this concept not only enhances our grasp of physical laws but also encourages deeper contemplation about the interconnectedness of all things in the universe. As we continue to explore the mysteries of nature, the idea of an isolated system will undoubtedly remain a cornerstone of scientific thought, challenging us to think critically about the relationships between systems and their environments.

在物理学领域，孤立系统的概念在理解支配物质和能量行为的基本原理中起着至关重要的作用。孤立系统被定义为一个与其周围环境不发生相互作用的物理系统；它既不与外部环境交换物质，也不交换能量。这个定义为探讨此类系统在各种科学背景下的意义奠定了基础。孤立系统最重要的意义之一是能量守恒。在一个孤立系统内，总能量随着时间的推移保持不变，无论系统内发生什么过程。这一原理是经典力学和热力学的基础。例如，考虑一个完全绝缘的容器，里面装有气体。如果不允许热量进入或离开容器，气体内的能量将保持不变，即使气体分子之间发生碰撞和相互作用。此外，孤立系统的概念不仅限于物理学，还扩展到化学和生物学等其他领域。在化学反应中，科学家通常在假设孤立系统的情况下分析反应，以简化计算和预测结果。通过考虑在封闭容器中发生的反应，研究人员可以专注于能量和物质的变化，而不必考虑外部影响所带来的复杂性。在生物学背景下，孤立系统的概念可能更为复杂。生物体不是孤立系统；它们不断与环境交换能量和物质。然而，某些实验可以将生物体的特定部分，如细胞或器官，视为孤立系统，以研究其内部过程而不受外部干扰。这种方法使科学家能够理解基本的生物机制，同时承认这些系统最终与更大的生态网络相连。对孤立系统的研究也具有哲学意义。它引发了关于现实本质和我们对宇宙理解的问题。如果我们将宇宙本身视为一个孤立系统，我们必须思考在它之外是否存在任何东西。这引发了关于科学探究边界和我们对宇宙理解局限性的讨论。总之，孤立系统的概念是各种科学学科的核心。它为分析能量守恒、简化化学反应和研究生物过程提供了框架。虽然真正的孤立系统在自然界中很少见，但这一理论模型作为科学家的宝贵工具。理解这一概念不仅增强了我们对物理法则的掌握，还鼓励我们更深入地思考宇宙中所有事物的相互联系。当我们继续探索自然的奥秘时，孤立系统的理念无疑将继续成为科学思想的基石，挑战我们批判性地思考系统与其环境之间的关系。