instrumental neutron activation analysis

简明释义

中子仪祁化分析

英英释义

例句

1.The pharmaceutical industry relies on instrumental neutron activation analysis to ensure the quality of raw materials.

制药行业依赖于仪器中子激活分析以确保原材料的质量。

2.The accuracy of instrumental neutron activation analysis makes it a preferred method for analyzing ancient artifacts.

由于仪器中子激活分析的准确性，它成为分析古代文物的首选方法。

3.In environmental studies, instrumental neutron activation analysis is crucial for monitoring pollutants in water bodies.

在环境研究中，仪器中子激活分析对于监测水体中的污染物至关重要。

4.The research team employed instrumental neutron activation analysis to determine the trace elements in the soil samples collected from the site.

研究小组采用仪器中子激活分析来确定从现场收集的土壤样本中的微量元素。

5.Using instrumental neutron activation analysis, scientists were able to identify the presence of rare metals in the mineral samples.

科学家们利用仪器中子激活分析能够识别矿物样本中稀有金属的存在。

作文

In the field of analytical chemistry, various techniques are employed to determine the composition of materials. One such powerful technique is instrumental neutron activation analysis, which has gained popularity for its sensitivity and accuracy in detecting trace elements. This method utilizes the principles of nuclear physics to analyze the elemental composition of a sample by irradiating it with neutrons. The process begins when a sample is exposed to a neutron source, resulting in the activation of certain isotopes within the sample. These activated isotopes then emit gamma rays, which can be measured to identify and quantify the elements present in the sample.The strength of instrumental neutron activation analysis lies in its ability to detect elements at extremely low concentrations, often in the parts per billion range. This sensitivity makes it an invaluable tool in various fields, including environmental monitoring, archaeology, and forensic science. For instance, in environmental studies, researchers can use this technique to analyze soil or water samples for heavy metals and other pollutants, providing critical data for assessing contamination levels and understanding ecological impacts.Moreover, instrumental neutron activation analysis is non-destructive, meaning that the original sample remains intact after analysis. This characteristic is particularly advantageous in fields like archaeology, where preserving the integrity of artifacts is paramount. By using this technique, archaeologists can gain insights into the composition of ancient materials without damaging them, allowing for a better understanding of historical practices and trade routes.Another significant advantage of instrumental neutron activation analysis is its ability to provide multi-elemental analysis simultaneously. Unlike some methods that can only detect a limited number of elements at a time, this technique can analyze multiple elements in a single run. This capability not only saves time but also enhances the overall efficiency of the analysis process. As a result, laboratories equipped with instrumental neutron activation analysis capabilities can handle a higher throughput of samples, making it a preferred choice for many researchers.However, despite its numerous advantages, instrumental neutron activation analysis does have some limitations. The need for a neutron source means that specialized facilities are required to conduct this type of analysis, which can limit accessibility for some researchers. Additionally, the interpretation of the data can be complex, requiring skilled personnel to accurately analyze and report the results.In conclusion, instrumental neutron activation analysis is a sophisticated analytical technique that offers unparalleled sensitivity and precision in elemental analysis. Its applications span a wide range of fields, from environmental assessment to archaeological research, demonstrating its versatility and importance in modern science. As technology continues to advance, the potential for instrumental neutron activation analysis to contribute to our understanding of materials and their interactions with the environment will undoubtedly grow, solidifying its place as a crucial tool in analytical chemistry.

在分析化学领域，采用多种技术来确定材料的成分。其中一种强大的技术是仪器中子激活分析，由于其在检测微量元素方面的灵敏度和准确性而受到欢迎。这种方法利用核物理的原理，通过照射样品中的中子来分析样品的元素组成。该过程始于将样品暴露于中子源，从而使样品中的某些同位素被激活。这些激活的同位素随后发出伽马射线，可以通过测量这些射线来识别和定量样品中存在的元素。仪器中子激活分析的优势在于能够检测到极低浓度的元素，通常在十亿分之一的范围内。这种灵敏度使其成为环境监测、考古学和法医学等多个领域的重要工具。例如，在环境研究中，研究人员可以使用该技术分析土壤或水样中的重金属和其他污染物，为评估污染水平和理解生态影响提供重要数据。此外，仪器中子激活分析是非破坏性的，这意味着原始样品在分析后保持完整。这一特性在考古学等领域尤其重要，因为保护文物的完整性至关重要。通过使用该技术，考古学家可以在不损坏文物的情况下获得古代材料的成分信息，从而更好地理解历史实践和贸易路线。仪器中子激活分析的另一个显著优点是能够同时提供多元素分析。与一些只能同时检测有限数量元素的方法不同，该技术可以在一次运行中分析多个元素。这种能力不仅节省了时间，还提高了分析过程的整体效率。因此，配备有仪器中子激活分析能力的实验室可以处理更多的样品，使其成为许多研究人员的首选。然而，尽管有众多优点，仪器中子激活分析也存在一些局限性。需要中子源意味着进行这种类型分析需要专门的设施，这可能限制了一些研究人员的可及性。此外，数据的解释可能很复杂，需要熟练的人员来准确分析和报告结果。总之，仪器中子激活分析是一种复杂的分析技术，在元素分析方面提供无与伦比的灵敏度和精确度。它的应用跨越多个领域，从环境评估到考古研究，展示了其多功能性和在现代科学中的重要性。随着技术的不断进步，仪器中子激活分析在帮助我们理解材料及其与环境的相互作用方面的潜力无疑会增长，巩固其作为分析化学关键工具的地位。