law of conservation of mass energy

简明释义

质能守恒定律

英英释义

例句

1.The law of conservation of mass energy 质量能量守恒定律 explains why energy cannot be created or destroyed in a closed system.

这条质量能量守恒定律 law of conservation of mass energy 解释了为什么在一个封闭系统中能量不能被创造或毁灭。

2.Understanding the law of conservation of mass energy 质量能量守恒定律 is crucial for studying thermodynamics.

理解质量能量守恒定律 law of conservation of mass energy 对于研究热力学至关重要。

3.During the physics experiment, we observed the law of conservation of mass energy 质量能量守恒定律 in action as the total energy remained constant.

在物理实验中，我们观察到质量能量守恒定律 law of conservation of mass energy 的实际应用，因为总能量保持不变。

4.In chemistry class, we learned about the law of conservation of mass energy 质量能量守恒定律 and how it applies to chemical reactions.

在化学课上，我们学习了质量能量守恒定律 law of conservation of mass energy及其在化学反应中的应用。

5.The law of conservation of mass energy 质量能量守恒定律 is fundamental in nuclear physics, where mass can be converted into energy.

在核物理中，质量能量守恒定律 law of conservation of mass energy 是基本法则，其中质量可以转化为能量。

作文

The law of conservation of mass energy states that in a closed system, the total mass and energy remain constant over time. This principle is fundamental to our understanding of physics and chemistry, as it implies that mass can be converted into energy and vice versa, but the total amount remains unchanged. This concept was first formulated in the early 19th century by scientists such as Antoine Lavoisier and later expanded by Albert Einstein through his famous equation E=mc². Understanding the law of conservation of mass energy is crucial for various scientific fields. For instance, in chemistry, when a chemical reaction occurs, the mass of the reactants equals the mass of the products. This means that atoms are neither created nor destroyed during the reaction; they simply rearrange to form new compounds. This principle helps chemists balance chemical equations and understand the stoichiometry of reactions.In physics, the law of conservation of mass energy plays a vital role in nuclear reactions. In these processes, a small amount of mass is converted into a significant amount of energy, which is the principle behind nuclear power and atomic bombs. The realization that mass and energy are interchangeable has led to advancements in technology and energy production, showcasing the practical implications of this law.Moreover, the law of conservation of mass energy extends beyond just physical sciences. It has philosophical implications as well, prompting us to consider the nature of existence and the universe. If mass and energy are conserved, it raises questions about the origin of the universe and the fate of matter and energy over time. These discussions can lead to deeper insights into the laws governing our reality.In everyday life, we also observe the law of conservation of mass energy in action. For example, when we burn wood, the mass of the wood is transformed into gases, ash, and heat. Although the wood appears to have disappeared, its mass has been converted into different forms of energy and matter. This transformation is a practical demonstration of the law at work, reminding us of the interconnectedness of mass and energy in our daily experiences.In conclusion, the law of conservation of mass energy is a foundational principle that governs both the physical world and our understanding of it. From chemical reactions to nuclear energy, this law has profound implications across various scientific disciplines. By recognizing that mass and energy are interchangeable and conserved, we gain a deeper appreciation for the complexities of nature and the universe. As we continue to explore these concepts, we unlock new technologies and insights that further our understanding of existence itself.

质量能量守恒定律指出，在一个封闭系统中，总质量和能量随时间保持不变。这个原理是我们理解物理学和化学的基础，因为它意味着质量可以转化为能量，反之亦然，但总量保持不变。这个概念最早是在19世纪初由安托万·拉瓦锡等科学家提出，并通过阿尔伯特·爱因斯坦著名的方程E=mc²得到了扩展。理解质量能量守恒定律对各个科学领域至关重要。例如，在化学中，当发生化学反应时，反应物的质量等于生成物的质量。这意味着在反应过程中原子既没有被创造也没有被摧毁；它们只是重新排列形成新的化合物。这个原则帮助化学家平衡化学方程式并理解反应的化学计量学。在物理学中，质量能量守恒定律在核反应中发挥着重要作用。在这些过程中，一小部分质量转化为大量能量，这就是核能和原子弹背后的原理。意识到质量和能量是可以互换的，导致了技术和能源生产的进步，展示了这一法律的实际意义。此外，质量能量守恒定律不仅限于物理科学，它还有哲学上的意义，促使我们思考存在的本质和宇宙。如果质量和能量是守恒的，这就引发了关于宇宙起源和物质与能量命运的问题。这些讨论可以引导我们深入了解支配现实的法则。在日常生活中，我们也观察到质量能量守恒定律的作用。例如，当我们燃烧木材时，木材的质量转化为气体、灰烬和热量。虽然木材似乎消失了，但其质量已经转化为不同形式的能量和物质。这种转化是该定律在实践中的示范，提醒我们在日常生活中质量和能量的相互联系。总之，质量能量守恒定律是支配物理世界和我们理解的基础原则。从化学反应到核能，这一法律在各个科学学科中具有深远的影响。通过认识到质量和能量是可互换且守恒的，我们对自然和宇宙的复杂性有了更深的理解。随着我们继续探索这些概念，我们解锁了进一步理解存在本身的新技术和见解。