atomic constants

简明释义

原子常数

英英释义

例句

1.The atomic constants 原子常数 play a crucial role in determining the behavior of electrons in an atom.

在确定原子中电子的行为时，原子常数 atomic constants起着至关重要的作用。

2.Scientists often refer to atomic constants 原子常数 when calculating energy levels in atoms.

科学家在计算原子中的能级时，常常提到原子常数 atomic constants。

3.The precision of measurements in physics heavily depends on the accuracy of atomic constants 原子常数.

物理学中测量的精确性在很大程度上依赖于原子常数 atomic constants的准确性。

4.In quantum mechanics, the values of physical quantities are often expressed in terms of atomic constants 原子常数.

在量子力学中，物理量的值通常用原子常数 atomic constants表示。

5.New discoveries in particle physics often lead to revisions of known atomic constants 原子常数.

粒子物理学的新发现常常会导致已知原子常数 atomic constants的修订。

作文

In the realm of physics and chemistry, understanding the fundamental aspects of matter is crucial for advancing our knowledge of the universe. One such concept that plays a pivotal role in these fields is atomic constants, which refer to the fixed numerical values that characterize the properties of atoms. These constants are essential for calculations involving atomic structure, chemical reactions, and the behavior of elements in various conditions. The term atomic constants encompasses several key values, including the atomic mass unit, the Avogadro constant, and the fine-structure constant, among others. Each of these constants serves a specific purpose in scientific equations and models. For instance, the atomic mass unit allows chemists to quantify the mass of atoms and molecules, providing a basis for understanding molecular weights and stoichiometry in chemical reactions.Another significant atomic constant is the Avogadro constant, which defines the number of particles, typically atoms or molecules, in one mole of a substance. This constant is fundamental in bridging the gap between the macroscopic world we observe and the microscopic realm of atoms and molecules. By using the Avogadro constant, scientists can convert between the mass of a substance and the number of particles it contains, facilitating a deeper understanding of chemical compositions and reactions.The fine-structure constant is another vital atomic constant that characterizes the strength of the electromagnetic interaction between elementary charged particles. It plays a crucial role in quantum electrodynamics and helps explain the structure of atoms and the behavior of light. The significance of the fine-structure constant extends beyond theoretical physics; it also has practical implications in technologies such as lasers and semiconductors.Understanding atomic constants is not only important for theoretical explorations but also for practical applications in various industries, including pharmaceuticals, materials science, and nanotechnology. For example, in drug development, knowing the atomic masses and interactions of different molecules can lead to the creation of more effective medications with fewer side effects. Similarly, in materials science, the manipulation of atomic structures at the nanoscale relies heavily on the principles defined by these constants.Furthermore, the study of atomic constants continues to evolve with advancements in experimental techniques and theoretical models. As scientists strive to measure these constants with greater precision, new discoveries may emerge that challenge existing theories and deepen our understanding of the fundamental nature of matter. This ongoing research highlights the dynamic nature of science, where established constants can lead to new questions and avenues for exploration.In conclusion, atomic constants serve as foundational pillars in the fields of physics and chemistry, providing essential values that enable scientists to describe and predict the behavior of matter. Their significance extends beyond academia, influencing various sectors and driving innovation in technology and industry. As we continue to explore the mysteries of the universe, the role of atomic constants will undoubtedly remain central to our quest for knowledge and understanding.

在物理学和化学的领域中，理解物质的基本方面对于推动我们对宇宙的认识至关重要。一个在这些领域中发挥关键作用的概念是原子常数，它指的是描述原子特性的固定数值。这些常数对于涉及原子结构、化学反应以及元素在各种条件下的行为的计算至关重要。术语原子常数涵盖几个关键值，包括原子质量单位、阿伏伽德罗常数和精细结构常数等。每个常数在科学方程和模型中都有其特定的用途。例如，原子质量单位使化学家能够量化原子和分子的质量，为理解分子量和化学反应中的化学计量提供基础。另一个重要的原子常数是阿伏伽德罗常数，它定义了每摩尔物质中粒子的数量，通常是原子或分子。这个常数在连接我们观察到的宏观世界与原子和分子的微观领域之间起着基础性作用。通过使用阿伏伽德罗常数，科学家可以在物质的质量和其所含粒子数量之间进行转换，促进对化学组成和反应的更深入理解。精细结构常数是另一个重要的原子常数，它表征了基本带电粒子之间电磁相互作用的强度。它在量子电动力学中发挥着至关重要的作用，并帮助解释原子的结构和光的行为。精细结构常数的意义超越了理论物理；它在激光和半导体等技术中也具有实际应用。理解原子常数不仅对理论探索重要，而且对各个行业的实际应用也至关重要，包括制药、材料科学和纳米技术。例如，在药物开发中，了解不同分子的原子质量和相互作用可以导致创造出更有效且副作用更少的药物。同样，在材料科学中，在纳米尺度上操控原子结构在很大程度上依赖于这些常数所定义的原理。此外，随着实验技术和理论模型的进步，对原子常数的研究仍在不断发展。随着科学家努力以更高的精度测量这些常数，新的发现可能会出现，挑战现有理论并加深我们对物质基本性质的理解。这项持续的研究突显了科学的动态本质，已建立的常数可以引发新的问题和探索途径。总之，原子常数作为物理学和化学领域的基础支柱，提供了使科学家能够描述和预测物质行为的基本数值。它们的重要性超越了学术界，影响着各个部门并推动技术和工业的创新。在我们继续探索宇宙的奥秘时，原子常数的角色无疑将继续在我们追求知识和理解的过程中占据中心地位。