activation analysis

简明释义

放射化分析

英英释义

例句

1.By performing activation analysis, the scientists were able to identify the key factors influencing the reaction.

通过进行激活分析，科学家们能够识别影响反应的关键因素。

2.The software includes a feature for activation analysis to track user interactions.

该软件包含一个激活分析功能，用于跟踪用户交互。

3.The research team conducted an activation analysis to determine the effectiveness of the new drug.

研究团队进行了激活分析以确定新药的有效性。

4.In our marketing strategy, we utilized activation analysis to assess consumer engagement.

在我们的营销策略中，我们利用了激活分析来评估消费者参与度。

5.Our company relies on activation analysis to optimize our advertising campaigns.

我们公司依赖于激活分析来优化我们的广告活动。

作文

In the field of scientific research and data analysis, the term activation analysis refers to a method used to determine the presence and concentration of specific elements within a sample. This technique is particularly valuable in fields such as nuclear physics, chemistry, and environmental science. By utilizing the principles of nuclear reactions, activation analysis allows researchers to identify trace elements that might not be detectable through conventional methods. The process typically involves irradiating a sample with neutrons or other particles, which results in the activation of certain isotopes. These isotopes then emit gamma rays, which can be measured to ascertain the concentration of the element in question.One of the key advantages of activation analysis is its sensitivity. It can detect elements in extremely low concentrations, making it an essential tool for environmental monitoring and forensic investigations. For instance, in environmental studies, activation analysis can help identify pollutants in soil or water samples, allowing scientists to assess contamination levels and their potential impact on ecosystems and human health. Similarly, in forensic science, this method can be employed to analyze evidence from crime scenes, providing crucial information that could lead to solving cases.The procedure of activation analysis can be broken down into several steps. First, the sample is prepared and placed in a reactor or irradiation facility where it will be exposed to a source of neutrons. After irradiation, the sample is removed and allowed to decay for a specific period. This decay time is critical, as it ensures that the isotopes have had sufficient time to emit gamma radiation. Following this, the sample is analyzed using high-resolution gamma spectroscopy, which detects and quantifies the emitted gamma rays.Another important aspect of activation analysis is its versatility. It can be applied to various types of samples, including solid, liquid, and even gaseous materials. This adaptability makes it a favored choice among scientists working in diverse disciplines. Furthermore, activation analysis can be combined with other analytical techniques, enhancing its effectiveness and broadening its applications.Despite its many benefits, activation analysis does come with certain limitations. The requirement for specialized equipment and facilities can make it less accessible for some researchers. Additionally, the interpretation of results can be complex, necessitating a high level of expertise in both nuclear physics and analytical chemistry. However, ongoing advancements in technology and methodology are continually improving the efficiency and accuracy of activation analysis, making it an increasingly valuable tool in scientific research.In conclusion, activation analysis is a powerful analytical technique that plays a crucial role in various scientific fields. Its ability to detect trace elements with high sensitivity makes it indispensable for environmental monitoring, forensic investigations, and many other applications. As technology continues to advance, the scope and capabilities of activation analysis are likely to expand, further solidifying its importance in scientific inquiry and discovery. Researchers must continue to explore and refine this technique, ensuring that it remains at the forefront of analytical science.

在科学研究和数据分析领域，术语激活分析指的是一种用于确定样本中特定元素存在和浓度的方法。这种技术在核物理、化学和环境科学等领域尤为重要。通过利用核反应的原理，激活分析使研究人员能够识别通过常规方法可能无法检测到的微量元素。该过程通常涉及用中子或其他粒子照射样本，从而激活某些同位素。这些同位素随后发出伽马射线，可以通过测量来确定所关注元素的浓度。激活分析的一大关键优势是其灵敏度。它可以检测到极低浓度的元素，使其成为环境监测和法医调查的重要工具。例如，在环境研究中，激活分析可以帮助识别土壤或水样中的污染物，使科学家能够评估污染水平及其对生态系统和人类健康的潜在影响。同样，在法医学中，这种方法可以用于分析犯罪现场的证据，提供可能导致案件解决的重要信息。激活分析的过程可以分为几个步骤。首先，样本被准备好并放置在反应堆或照射设施中，在那里它将暴露于中子源。照射后，样本被移除并允许衰变特定时间。这个衰变时间至关重要，因为它确保同位素有足够的时间发出伽马辐射。之后，使用高分辨率伽马光谱法分析样本，检测和量化发出的伽马射线。激活分析的另一个重要方面是其多功能性。它可以应用于各种类型的样本，包括固体、液体甚至气体材料。这种适应性使其成为各个学科科学家们的首选。此外，激活分析可以与其他分析技术结合，增强其有效性并拓宽其应用范围。尽管有许多好处，激活分析确实存在某些局限性。对专业设备和设施的要求可能使一些研究人员难以获得。此外，结果的解释可能很复杂，需要在核物理和分析化学方面具备较高的专业知识。然而，技术和方法的不断进步正在持续改善激活分析的效率和准确性，使其在科学研究中越来越有价值。总之，激活分析是一种强大的分析技术，在各个科学领域发挥着至关重要的作用。其以高灵敏度检测微量元素的能力使其在环境监测、法医调查和许多其他应用中不可或缺。随着技术的不断进步，激活分析的范围和能力可能会扩大，进一步巩固其在科学探索和发现中的重要性。研究人员必须继续探索和完善这一技术，确保其在分析科学的前沿。