particle induced x ray emission

简明释义

粒子诱导 x 射线发射

英英释义

A technique used in analytical chemistry that involves the emission of X-rays from a material when it is bombarded by high-energy particles, allowing for the identification and quantification of elements within the sample.

一种用于分析化学的技术,当材料被高能粒子轰击时会发出X射线,从而允许识别和定量样品中的元素。

例句

1.Using particle induced x ray emission, we can detect trace elements in soil samples.

通过使用粒子诱发X射线发射,我们可以检测土壤样本中的微量元素。

2.The research team utilized particle induced x ray emission to analyze the composition of ancient artifacts.

研究团队利用粒子诱发X射线发射分析古代文物的成分。

3.For environmental monitoring, particle induced x ray emission helps identify pollutants in water sources.

在环境监测中,粒子诱发X射线发射有助于识别水源中的污染物。

4.In the field of geology, particle induced x ray emission is essential for studying mineral compositions.

在地质学领域,粒子诱发X射线发射对研究矿物成分至关重要。

5.The accuracy of particle induced x ray emission makes it a preferred method for material characterization.

由于粒子诱发X射线发射的准确性,它成为材料表征的首选方法。

作文

In the field of material science and analytical chemistry, the technique known as particle induced x ray emission (PIXE) plays a crucial role in determining the elemental composition of various materials. This method involves bombarding a sample with high-energy particles, such as protons or alpha particles, which then induces the emission of characteristic X-rays from the elements present in the sample. The emitted X-rays are subsequently analyzed to identify and quantify the elements, providing invaluable information regarding the sample's composition.One of the significant advantages of particle induced x ray emission is its ability to analyze samples with minimal preparation. Unlike other techniques that may require complex sample treatment or destruction, PIXE can often be performed on bulk samples or thin layers without altering their physical structure. This feature makes it particularly useful in fields such as archaeology, art conservation, and environmental monitoring, where preserving the integrity of the sample is paramount.Moreover, particle induced x ray emission offers high sensitivity and precision. It can detect trace elements at very low concentrations, making it an essential tool for researchers studying pollution levels in environmental samples or seeking to understand the degradation processes in historical artifacts. For example, by analyzing the metal composition of ancient coins, archaeologists can gain insights into trade routes and economic conditions of past civilizations.The application of particle induced x ray emission extends beyond just academic research. In industrial settings, it is employed for quality control and assurance in manufacturing processes. By ensuring that materials meet specific compositional standards, companies can prevent defects and enhance the performance of their products. Additionally, PIXE is also utilized in the semiconductor industry to analyze dopants in silicon wafers, which is vital for the production of electronic devices.Despite its many advantages, particle induced x ray emission does have some limitations. The technique requires access to particle accelerators, which can be costly and may not be readily available in all laboratories. Furthermore, while PIXE is highly effective for heavier elements, it may struggle with lighter elements, necessitating complementary techniques for comprehensive analysis.In conclusion, particle induced x ray emission is a powerful analytical tool that has transformed our ability to understand the composition of materials across various disciplines. Its non-destructive nature, high sensitivity, and versatility make it an invaluable asset in both research and industry. As technology continues to advance, we can expect even greater applications and improvements in this technique, further enhancing our understanding of the material world around us. The ongoing development of more accessible particle accelerators may also pave the way for broader adoption of PIXE in diverse fields, making it an exciting area to watch in the future.

在材料科学和分析化学领域,称为粒子诱导X射线发射(PIXE)的方法在确定各种材料的元素组成方面发挥着至关重要的作用。这种方法涉及用高能粒子(如质子或阿尔法粒子)轰击样品,从而诱导样品中存在元素的特征X射线的发射。随后分析发射的X射线以识别和量化元素,提供关于样品成分的宝贵信息。粒子诱导X射线发射的一大显著优势是其能够对样品进行最小准备的分析。与其他可能需要复杂样品处理或破坏的技术不同,PIXE通常可以在不改变其物理结构的情况下,对块状样品或薄层进行分析。这一特性使其在考古学、艺术保护和环境监测等领域特别有用,在这些领域中,保持样品的完整性至关重要。此外,粒子诱导X射线发射还提供了高灵敏度和精确度。它可以检测到非常低浓度的微量元素,使其成为研究环境样品污染水平或寻求了解历史文物劣化过程的研究人员的重要工具。例如,通过分析古代硬币的金属成分,考古学家可以深入了解过去文明的贸易路线和经济状况。粒子诱导X射线发射的应用不仅限于学术研究。在工业环境中,它被用于制造过程中的质量控制和保证。通过确保材料符合特定的成分标准,公司可以防止缺陷并提高产品的性能。此外,PIXE还被用于半导体行业,以分析硅晶圆中的掺杂剂,这对于电子设备的生产至关重要。尽管粒子诱导X射线发射有许多优点,但也存在一些局限性。该技术需要访问粒子加速器,这可能成本高昂,并且并非所有实验室都能轻松获得。此外,虽然PIXE对重元素非常有效,但对轻元素的分析可能会遇到困难,因此需要补充的技术以进行全面分析。总之,粒子诱导X射线发射是一种强大的分析工具,已改变我们理解各学科材料成分的能力。其非破坏性、高灵敏度和多功能性使其成为研究和工业中不可或缺的资产。随着技术的不断进步,我们可以期待这一技术在应用和改进方面有更大的发展,进一步增强我们对周围物质世界的理解。更易获得的粒子加速器的持续发展也可能为PIXE在各个领域的更广泛采用铺平道路,使其成为未来值得关注的激动人心的领域。

相关单词

particle

particle详解:怎么读、什么意思、用法

induced

induced详解:怎么读、什么意思、用法

emission

emission详解:怎么读、什么意思、用法