labelled atom

简明释义

示踪原子

英英释义

例句

1.By introducing a labelled atom 标记原子 into the biological system, scientists could trace metabolic processes.

通过将一个标记原子 labelled atom 引入生物系统，科学家能够追踪代谢过程。

2.Using a labelled atom 标记原子 in tracer studies allows for precise tracking of substances in the environment.

在示踪研究中使用标记原子 labelled atom 允许对环境中物质的精确追踪。

3.The researchers used a labelled atom 标记原子 of carbon-14 to date ancient artifacts.

研究人员使用了一个标记原子 labelled atom 的碳-14来给古代文物定年。

4.The experiment demonstrated how a labelled atom 标记原子 can help visualize molecular interactions.

实验展示了如何利用一个标记原子 labelled atom 来可视化分子间的相互作用。

5.In a chemical experiment, we tracked the movement of a labelled atom 标记原子 to understand reaction pathways.

在一项化学实验中，我们追踪了一个标记原子 labelled atom 的运动，以了解反应途径。

作文

In the field of chemistry and physics, the concept of a labelled atom is of great importance. A labelled atom refers to an atom that has been marked or tagged with a specific isotope or tracer element to study its behavior in various chemical reactions or biological processes. This technique is widely used in research to track the movement and interaction of atoms within molecules, allowing scientists to gain a deeper understanding of complex systems.One of the primary applications of labelled atoms is in the study of metabolic pathways in living organisms. By using isotopes of carbon, hydrogen, or other elements, researchers can trace how these labelled atoms are incorporated into different compounds as they move through biological systems. For example, in a study investigating glucose metabolism, scientists can introduce a labelled atom of carbon-13 into glucose molecules. As the glucose is metabolized, the presence of the labelled atom allows researchers to monitor the flow of carbon through various metabolic pathways, providing insights into energy production and utilization in cells.Another important application of labelled atoms is in environmental science. Researchers often use labelled atoms to track pollutants or nutrients in ecosystems. By introducing a labelled atom of a specific pollutant into a water body, scientists can study how it disperses and interacts with the environment. This information is crucial for understanding the impact of human activities on ecosystems and for developing strategies to mitigate pollution.The use of labelled atoms also extends to medical imaging and diagnostics. In nuclear medicine, for instance, certain substances are labelled with radioactive isotopes to create tracers that can be injected into the body. These labelled atoms emit radiation that can be detected by imaging equipment, allowing doctors to visualize organs and tissues in real-time. This technique is invaluable for diagnosing diseases, monitoring treatment progress, and conducting research on various health conditions.Moreover, the study of labelled atoms can provide insights into fundamental scientific questions. For example, physicists might use labelled atoms to investigate atomic interactions and bonding. By observing how labelled atoms behave under different conditions, scientists can develop theories about atomic structure and chemical reactivity.In conclusion, the concept of a labelled atom plays a crucial role in various scientific disciplines. Whether in biological research, environmental studies, medical imaging, or fundamental physics, labelled atoms serve as powerful tools for understanding complex processes. As technology continues to advance, the methods for creating and detecting labelled atoms will likely become even more sophisticated, opening new avenues for research and discovery. The ability to track and analyze the behavior of labelled atoms not only enhances our understanding of the natural world but also paves the way for innovative solutions to pressing global challenges.

在化学和物理学领域，标记原子的概念至关重要。标记原子是指一个被特定同位素或示踪元素标记或标签化的原子，用于研究其在各种化学反应或生物过程中的行为。这种技术在研究中被广泛应用，以追踪原子在分子内的运动和相互作用，使科学家能够深入理解复杂系统。标记原子的主要应用之一是在研究生物体内的代谢途径。通过使用碳、氢或其他元素的同位素，研究人员可以追踪这些标记原子如何在生物系统中被纳入不同的化合物。例如，在一项研究葡萄糖代谢的研究中，科学家可以将碳-13的标记原子引入葡萄糖分子中。随着葡萄糖的代谢，标记原子的存在使研究人员能够监测碳在各种代谢途径中的流动，从而提供细胞内能量生产和利用的见解。标记原子的另一个重要应用是在环境科学中。研究人员经常使用标记原子来追踪生态系统中的污染物或营养物质。通过将特定污染物的标记原子引入水体，科学家可以研究其扩散和与环境的相互作用。这些信息对于理解人类活动对生态系统的影响以及制定减轻污染的策略至关重要。标记原子的使用还扩展到医学成像和诊断。在核医学中，某些物质被标记上放射性同位素，以创建可注入体内的示踪剂。这些标记原子发出辐射，可以被成像设备检测，从而使医生能够实时可视化器官和组织。这项技术对于诊断疾病、监测治疗进展以及进行各种健康状况的研究是无价的。此外，标记原子的研究可以提供对基本科学问题的见解。例如，物理学家可能会使用标记原子来研究原子间的相互作用和键合。通过观察标记原子在不同条件下的行为，科学家可以发展关于原子结构和化学反应性的理论。总之，标记原子的概念在各个科学学科中发挥着至关重要的作用。无论是在生物研究、环境研究、医学成像还是基础物理学中，标记原子都是理解复杂过程的强大工具。随着技术的不断进步，创造和检测标记原子的方法可能会变得更加复杂，为研究和发现开辟新的途径。追踪和分析标记原子的行为不仅增强了我们对自然世界的理解，还为应对紧迫的全球挑战铺平了道路。