atomic abundance

简明释义

原子丰度;

英英释义

例句

1.Scientists can determine the age of a sample by analyzing its atomic abundance 原子丰度 of isotopes.

科学家可以通过分析样品的原子丰度来确定其年龄。

2.Researchers are investigating the atomic abundance 原子丰度 of carbon isotopes in ancient ice cores.

研究人员正在调查古代冰芯中碳同位素的原子丰度。

3.In astrophysics, the atomic abundance 原子丰度 of hydrogen and helium provides insights into the early universe.

在天体物理学中，氢和氦的原子丰度为早期宇宙提供了见解。

4.The atomic abundance 原子丰度 of trace elements in soil can affect plant growth.

土壤中微量元素的原子丰度可能影响植物生长。

5.The study of the Earth's composition often involves measuring the atomic abundance 原子丰度 of various elements.

地球成分的研究通常涉及测量各种元素的原子丰度。

作文

The concept of atomic abundance refers to the relative quantity of different isotopes of an element found in nature. Understanding this concept is crucial for various fields, including chemistry, geology, and even astrophysics. For instance, when scientists analyze a sample of an element, they often determine the proportion of each isotope present. This information can provide insights into the processes that formed the element and its distribution in the universe.In chemistry, atomic abundance plays a significant role in understanding chemical reactions and the behavior of elements. Different isotopes of an element can have varying masses, which affects their reactivity and the products formed during reactions. For example, carbon has two stable isotopes: carbon-12 and carbon-13. The atomic abundance of these isotopes influences the way carbon behaves in biological systems and geological processes. In organic chemistry, the ratio of these isotopes can be used to trace the origins of organic materials, providing valuable information about ancient life and environmental conditions.Moreover, atomic abundance is also essential in geology, particularly in the study of rocks and minerals. Geologists often use isotopic analysis to determine the age of rocks through radiometric dating techniques. By measuring the atomic abundance of specific isotopes, such as uranium and lead, scientists can calculate the time that has elapsed since the rock was formed. This method has been instrumental in understanding the history of the Earth and the timing of significant geological events.Astrophysics is another field where atomic abundance is of paramount importance. The study of stellar nucleosynthesis—the process by which elements are created within stars—relies heavily on understanding the atomic abundance of various elements in the universe. By analyzing the light emitted from stars and galaxies, astronomers can infer the composition of celestial bodies and the processes that govern their formation and evolution. For instance, the abundance of helium compared to hydrogen in the universe provides clues about the Big Bang and the subsequent development of galaxies.In conclusion, the concept of atomic abundance is a fundamental aspect of scientific inquiry across multiple disciplines. Whether it is in analyzing chemical reactions, dating geological formations, or exploring the cosmos, understanding the relative quantities of isotopes helps scientists unravel the complexities of the natural world. As we continue to study and explore, the significance of atomic abundance will undoubtedly remain a key focus in advancing our knowledge of both the Earth and the universe beyond it.

“原子丰度”这一概念指的是自然界中不同同位素的相对数量。理解这一概念对于化学、地质学甚至天体物理学等多个领域至关重要。例如，当科学家分析一个元素的样本时，他们通常会确定每种同位素的比例。这些信息可以提供关于形成该元素的过程及其在宇宙中分布的洞察。在化学中，“原子丰度”在理解化学反应和元素行为方面起着重要作用。一个元素的不同同位素可能具有不同的质量，这会影响它们的反应性以及反应中形成的产物。例如，碳有两种稳定同位素：碳-12和碳-13。这些同位素的“原子丰度”影响碳在生物系统和地质过程中的行为。在有机化学中，这些同位素的比率可以用于追踪有机材料的来源，从而提供关于古代生命和环境条件的宝贵信息。此外，“原子丰度”在地质学中也至关重要，尤其是在岩石和矿物的研究中。地质学家常常使用同位素分析通过放射性测年技术来确定岩石的年龄。通过测量特定同位素的“原子丰度”，如铀和铅，科学家可以计算自岩石形成以来经过的时间。这种方法在理解地球历史和重大地质事件的时序方面发挥了重要作用。天体物理学是另一个“原子丰度”至关重要的领域。恒星核合成——即元素在恒星内部形成的过程——在很大程度上依赖于理解宇宙中各种元素的“原子丰度”。通过分析恒星和星系发出的光，天文学家可以推断天体的组成以及支配其形成和演化的过程。例如，氦与氢在宇宙中的丰度提供了关于大爆炸及其后银河系发展的线索。总之，“原子丰度”这一概念是多个学科科学探究的基本方面。无论是在分析化学反应、测定地质构造的年龄，还是探索宇宙，理解同位素的相对数量有助于科学家揭开自然世界的复杂性。随着我们继续研究和探索，“原子丰度”的重要性无疑将继续成为推动我们对地球及其之外宇宙知识进步的关键焦点。