binding energy
简明释义
结合能
英英释义
例句
1.The higher the binding energy, the more stable the atom or molecule.
越高的结合能,原子或分子的稳定性就越强。
2.In chemistry, the binding energy between molecules affects the properties of substances.
在化学中,分子之间的结合能影响物质的性质。
3.The concept of binding energy is crucial in nuclear physics, as it determines the stability of a nucleus.
在核物理中,结合能的概念至关重要,因为它决定了原子核的稳定性。
4.Scientists measure the binding energy to understand how different particles interact.
科学家测量结合能以理解不同粒子如何相互作用。
5.When two atoms bond together, the amount of energy released is known as the binding energy.
当两个原子结合在一起时,释放的能量被称为结合能。
作文
In the realm of physics and chemistry, the concept of binding energy plays a crucial role in understanding the stability of atomic nuclei and molecules. Binding energy refers to the energy required to disassemble a whole system into its individual components. This energy is a measure of the stability of the system; higher binding energy indicates a more stable configuration. For instance, when we consider an atomic nucleus, the binding energy is the energy needed to separate the nucleons (protons and neutrons) that are held together by the strong nuclear force. The greater the binding energy, the more stable the nucleus is against decay or dissociation.The significance of binding energy extends beyond just nuclear physics. In chemistry, binding energy can also describe the energy required to break chemical bonds in molecules. When atoms bond together to form molecules, they release energy, which is equivalent to their binding energy. Conversely, breaking these bonds requires an input of energy, highlighting the relationship between energy and molecular stability. For example, in a water molecule, the hydrogen and oxygen atoms are bonded together with a certain binding energy. If enough energy is supplied, such as through heat, these bonds can be broken, resulting in the separation of water into its constituent elements.Understanding binding energy is essential for various applications in science and technology. In nuclear power plants, the process of nuclear fission involves splitting heavy atomic nuclei, which releases a vast amount of energy due to the difference in binding energy between the original nucleus and the products of the fission reaction. This principle is what allows nuclear reactors to generate electricity efficiently.Moreover, the concept of binding energy is also applicable in fields like astrophysics. For instance, during the formation of stars, gravitational forces bind matter together. The binding energy associated with this gravitational binding affects the star's lifecycle, influencing processes such as fusion and supernova explosions. A star's binding energy determines how long it will burn and what types of elements it can produce before ultimately exhausting its fuel.In summary, binding energy is a fundamental concept that provides insight into the stability of physical systems, whether they are atomic nuclei, molecules, or celestial bodies. By studying binding energy, scientists can better understand the interactions that govern the behavior of matter in various contexts. As we continue to explore the universe and manipulate materials at the atomic level, the importance of binding energy will only grow, paving the way for advancements in energy production, materials science, and our understanding of the cosmos.
在物理和化学领域,结合能的概念在理解原子核和分子的稳定性方面起着至关重要的作用。结合能是指将整个系统拆解为其各个组成部分所需的能量。这种能量是系统稳定性的衡量标准;更高的结合能表示更稳定的配置。例如,当我们考虑原子核时,结合能是分离核子(质子和中子)所需的能量,这些核子是通过强核力相互吸引而结合在一起的。结合能越大,原子核对衰变或解离的抵抗力就越强。结合能的重要性不仅限于核物理。在化学中,结合能也可以描述打破分子中化学键所需的能量。当原子结合形成分子时,它们会释放出能量,这等同于它们的结合能。反之,打破这些键需要输入能量,突显了能量与分子稳定性之间的关系。例如,在水分子中,氢和氧原子以一定的结合能结合在一起。如果提供足够的能量,例如通过热量,这些键就可以被打破,从而使水分子分解为其组成元素。理解结合能对于科学和技术的各种应用至关重要。在核电厂中,核裂变过程涉及分裂重原子核,这释放出大量的能量,这是由于原始核与裂变反应产物之间的结合能差异。这一原理使得核反应堆能够高效地发电。此外,结合能的概念也适用于天体物理学领域。例如,在恒星形成过程中,重力将物质结合在一起。与这种引力结合相关的结合能影响着恒星的生命周期,影响诸如核聚变和超新星爆炸等过程。恒星的结合能决定了它燃烧的时间以及在耗尽燃料之前能够产生哪些类型的元素。总之,结合能是一个基本概念,为我们提供了对物理系统稳定性的深入了解,无论是原子核、分子还是天体。通过研究结合能,科学家可以更好地理解支配物质在各种情况下行为的相互作用。随着我们继续探索宇宙并操控原子级材料,结合能的重要性只会不断增长,为能源生产、材料科学以及我们对宇宙的理解带来进步。
相关单词