continuous neutron activation analysis

简明释义

连续中子活化分析

英英释义

Continuous neutron activation analysis is a nuclear analytical technique that involves the continuous exposure of a sample to neutron radiation, leading to the activation of certain isotopes within the sample, which can then be measured to determine the elemental composition.

连续中子激活分析是一种核分析技术,涉及将样品持续暴露于中子辐射下,从而激活样品中的某些同位素,然后可以通过测量这些同位素来确定元素组成。

例句

1.Using continuous neutron activation analysis, researchers were able to detect minute quantities of heavy metals in the soil.

研究人员利用连续中子激活分析能够检测到土壤中微量重金属。

2.The laboratory implemented continuous neutron activation analysis to monitor trace elements in environmental samples.

实验室实施了连续中子激活分析以监测环境样品中的微量元素。

3.By employing continuous neutron activation analysis, the team identified several isotopes in the geological samples.

通过采用连续中子激活分析,团队在地质样品中识别出了几种同位素。

4.The continuous neutron activation analysis technique is crucial for quality control in nuclear industry applications.

在核工业应用中,连续中子激活分析技术对质量控制至关重要。

5.The results from continuous neutron activation analysis provided valuable insights into the composition of the ancient artifacts.

来自连续中子激活分析的结果为古代文物的成分提供了宝贵的见解。

作文

In the field of analytical chemistry, various techniques are employed to determine the composition of materials. One such method is known as continuous neutron activation analysis, which is a powerful tool for detecting and quantifying trace elements in a wide range of samples. This technique is particularly valuable because it allows for the analysis of samples without the need for extensive preparation, making it efficient and effective. The principle behind continuous neutron activation analysis involves exposing a sample to neutrons, which leads to the activation of certain isotopes within the material. As these isotopes decay, they emit gamma rays that can be measured to provide information about the elemental composition of the sample.The process begins with the irradiation of the sample in a neutron source, such as a nuclear reactor or a neutron generator. During this exposure, the neutrons interact with the nuclei of the atoms in the sample, causing some of them to capture neutrons and become radioactive. The newly formed isotopes will then undergo radioactive decay, emitting gamma rays characteristic of the specific elements present in the sample.One of the significant advantages of continuous neutron activation analysis is its ability to perform real-time monitoring of the elements in the sample. This is particularly useful in industries where continuous quality control is crucial, such as in metallurgy, environmental monitoring, and even in food safety. For instance, in the mining industry, this technique can be used to continuously analyze ore samples to optimize extraction processes and ensure that the desired minerals are being obtained efficiently.Moreover, continuous neutron activation analysis is non-destructive, meaning that the sample remains intact after the analysis. This feature is essential when dealing with precious or limited samples, such as archaeological artifacts or rare minerals. Researchers can obtain valuable information without compromising the integrity of the specimen.Despite its many benefits, there are also challenges associated with continuous neutron activation analysis. The requirement for a neutron source can limit the accessibility of this method to well-equipped laboratories. Additionally, the interpretation of the gamma-ray spectra requires a high level of expertise and sophisticated software for accurate results. However, advancements in technology are continually improving the efficiency and reliability of this analytical technique.In conclusion, continuous neutron activation analysis stands out as a vital analytical method in modern chemistry. Its ability to provide rapid, non-destructive, and accurate measurements of trace elements makes it indispensable in various scientific and industrial applications. As technology progresses, we can expect to see further enhancements in this technique, leading to even broader applications and improved analytical capabilities. Understanding and mastering continuous neutron activation analysis is essential for professionals in the field, as it opens up new avenues for research and development in chemistry and related disciplines.

在分析化学领域,采用各种技术来确定材料的成分。其中一种方法被称为连续中子激活分析,这是一种强大的工具,用于检测和定量各种样品中的微量元素。这项技术特别有价值,因为它允许在不需要 extensive 准备的情况下分析样品,从而使其高效且有效。连续中子激活分析 的原理是将样品暴露于中子中,这导致材料内某些同位素的激活。当这些同位素衰变时,它们会发出伽马射线,可以通过测量这些射线来提供有关样品元素组成的信息。该过程始于在中子源(如核反应堆或中子发生器)中对样品进行照射。在这一过程中,中子与样品中原子的核相互作用,使其中一些原子捕获中子并变得放射性。新形成的同位素随后会经历放射性衰变,发出具有特定元素特征的伽马射线。连续中子激活分析 的一个显著优势是能够实时监测样品中的元素。这在需要持续质量控制的行业中尤为有用,例如冶金、环境监测甚至食品安全。例如,在采矿行业,可以使用此技术对矿石样品进行连续分析,以优化提取过程并确保有效获得所需矿物。此外,连续中子激活分析 是非破坏性的,这意味着样品在分析后保持完整。当处理贵重或有限样品(例如考古文物或稀有矿物)时,这一特性至关重要。研究人员可以获得有价值的信息,而不会损害标本的完整性。尽管有许多好处,但连续中子激活分析 也面临挑战。对中子源的需求可能限制了这种方法在设备齐全的实验室中的可及性。此外,伽马射线谱的解释需要高水平的专业知识和复杂的软件,以获得准确的结果。然而,技术的进步正在不断提高这一分析技术的效率和可靠性。总之,连续中子激活分析 在现代化学中脱颖而出,成为一种重要的分析方法。它能够快速、非破坏性和准确地测量微量元素,使其在各种科学和工业应用中不可或缺。随着技术的进步,我们可以期待看到这一技术的进一步增强,从而导致更广泛的应用和改进的分析能力。理解和掌握连续中子激活分析 对于该领域的专业人士至关重要,因为它为化学及相关学科的研究和发展开辟了新的途径。

相关单词

neutron

neutron详解:怎么读、什么意思、用法

activation

activation详解:怎么读、什么意思、用法

analysis

analysis详解:怎么读、什么意思、用法