rest mass

简明释义

静止质量

英英释义

例句

1.In particle physics, the rest mass (静质量) is an important property of particles.

在粒子物理学中，静质量（静质量）是粒子的重要属性。

2.When calculating energy, the rest mass (静质量) is used in Einstein's equation E=mc².

在计算能量时，爱因斯坦的方程E=mc²中使用了静质量（静质量）。

3.The electron has a very small rest mass (静质量) compared to protons and neutrons.

电子的静质量（静质量）与质子和中子相比非常小。

4.Different particles have different rest masses (静质量), affecting their interactions.

不同的粒子具有不同的静质量（静质量），这会影响它们的相互作用。

5.The rest mass (静质量) of a photon is zero, which is why it can travel at the speed of light.

光子的静质量（静质量）为零，这就是它能够以光速传播的原因。

作文

In the realm of physics, particularly in the field of relativity, the concept of rest mass plays a crucial role in understanding the properties of particles. The term rest mass refers to the mass of an object when it is at rest, meaning that it is not moving relative to an observer. This intrinsic property of matter is fundamental because it remains constant regardless of the object's speed or energy. Understanding rest mass is essential for physicists as they delve into the complexities of the universe, from the smallest subatomic particles to the largest celestial bodies.One of the most significant implications of rest mass is its relationship with energy, as described by Einstein's famous equation, E=mc². In this equation, E represents energy, m stands for rest mass, and c is the speed of light in a vacuum. This equation illustrates that mass and energy are interchangeable; thus, even a small amount of rest mass can be converted into a vast amount of energy. This principle is the foundation for nuclear reactions, where the rest mass of atomic nuclei is transformed into energy, powering everything from stars to nuclear power plants.Moreover, the concept of rest mass is vital in particle physics, where scientists study particles such as electrons, protons, and neutrons. Each of these particles has a specific rest mass that influences their behavior under various conditions. For instance, the rest mass of an electron is approximately 9.11 x 10^-31 kilograms, which is significantly smaller than that of a proton, which has a rest mass of about 1.67 x 10^-27 kilograms. This difference in rest mass leads to different interactions and decay processes among subatomic particles, shaping the very fabric of matter.Furthermore, the concept of rest mass extends beyond just theoretical physics; it has practical applications in technology and engineering. For example, in the design of particle accelerators, understanding the rest mass of particles is crucial for predicting their behavior when accelerated to near-light speeds. Engineers must account for relativistic effects, as the apparent mass of a particle increases with its velocity, but its rest mass remains unchanged. This distinction is critical for achieving precise results in experiments that explore the fundamental forces of nature.In conclusion, the term rest mass is a foundational concept in physics that encapsulates the intrinsic mass of an object when it is not in motion. Its significance extends from theoretical frameworks, such as Einstein's relativity, to practical applications in modern technology. By comprehending the implications of rest mass, we gain deeper insights into the workings of the universe, enabling advancements in both science and engineering. As we continue to explore the mysteries of existence, the understanding of rest mass will undoubtedly remain a cornerstone of our scientific endeavors.

在物理学的领域，特别是在相对论的研究中，静质量的概念在理解粒子的性质方面发挥着至关重要的作用。术语静质量指的是物体在静止时的质量，也就是说，它相对于观察者没有运动。这一物质的内在属性是基础性的，因为它无论物体的速度或能量如何都保持不变。理解静质量对于物理学家来说至关重要，因为他们深入探讨从最小的亚原子粒子到最大的天体的宇宙复杂性。静质量的一个重要含义是它与能量之间的关系，如爱因斯坦著名的方程E=mc²所描述。在这个方程中，E代表能量，m代表静质量，而c是真空中的光速。这个方程说明了质量和能量是可以互换的；因此，即使是少量的静质量也可以转化为巨大的能量。这个原理是核反应的基础，在核反应中，原子核的静质量被转化为能量，为恒星和核电站提供动力。此外，静质量的概念在粒子物理学中也至关重要，科学家们研究电子、质子和中子等粒子。这些粒子每个都有特定的静质量，这影响着它们在各种条件下的行为。例如，电子的静质量约为9.11 x 10^-31千克，这比质子的静质量（约为1.67 x 10^-27千克）小得多。这种静质量的差异导致了亚原子粒子之间不同的相互作用和衰变过程，从而塑造了物质的基本结构。此外，静质量的概念不仅限于理论物理，它在技术和工程中也有实际应用。例如，在粒子加速器的设计中，理解粒子的静质量对于预测它们在接近光速时的行为至关重要。工程师们必须考虑到相对论效应，因为粒子的表观质量随着其速度的增加而增加，但其静质量保持不变。这一区别对于在探索自然基本力量的实验中获得精确结果至关重要。总之，术语静质量是物理学中的一个基础概念，它概括了物体在不运动时的内在质量。它的重要性从理论框架（如爱因斯坦的相对论）扩展到现代技术的实际应用。通过理解静质量的含义，我们可以更深入地了解宇宙的运作，使科学和工程领域取得进步。随着我们继续探索存在的奥秘，对静质量的理解无疑将继续成为我们科学努力的基石。