luminescence analysis

简明释义

发光分析

英英释义

例句

1.The scientist used luminescence analysis to detect trace amounts of pollutants in the water sample.

科学家使用发光分析来检测水样中微量污染物。

2.The research team applied luminescence analysis to study the properties of new phosphorescent materials.

研究小组应用发光分析研究新型磷光材料的特性。

3.Using luminescence analysis, they were able to identify the source of the contamination in the soil.

通过使用发光分析，他们能够识别土壤污染的来源。

4.In archaeology, luminescence analysis helps date ancient artifacts by measuring the light emitted from them.

在考古学中，发光分析通过测量古代文物发出的光来帮助确定其年代。

5.The quality control department employed luminescence analysis to ensure the purity of pharmaceutical products.

质量控制部门采用发光分析确保药品的纯度。

作文

Luminescence analysis is a powerful technique used in various fields such as chemistry, physics, and environmental science. This method involves measuring the light emitted from a substance after it has absorbed energy. The emitted light, or luminescence, can provide valuable information about the material's properties, composition, and even its history. One of the most common applications of luminescence analysis (发光分析) is in dating archaeological artifacts. By examining the luminescent properties of minerals within these objects, researchers can determine when they were last exposed to sunlight or heat, thus providing a timeline for human activity in a given area.In addition to archaeology, luminescence analysis (发光分析) is widely used in environmental monitoring. For instance, scientists can analyze the luminescence of soil samples to detect contamination or changes in soil composition over time. This is particularly important for assessing the health of ecosystems and understanding the impact of human activities on the environment. Moreover, luminescence analysis (发光分析) plays a significant role in medical diagnostics. Certain biological molecules exhibit luminescent properties, which can be harnessed to develop sensitive assays for detecting diseases at very low concentrations.The process of luminescence analysis (发光分析) typically involves several steps. First, a sample is prepared, which may include grinding, sieving, or chemical treatment to isolate the target minerals. Next, the sample is subjected to energy input, such as heat or radiation, which excites the electrons in the material. Once the energy source is removed, the electrons return to their ground state, releasing energy in the form of light. This emitted light is then measured using specialized equipment, such as photomultiplier tubes or CCD cameras, which convert the light into an electrical signal for analysis.One of the key advantages of luminescence analysis (发光分析) is its non-destructive nature. Unlike many other analytical techniques that require the destruction of the sample, luminescence does not alter the material being studied. This makes it an ideal choice for analyzing precious artifacts or rare geological specimens. Furthermore, luminescence analysis (发光分析) can be performed on a wide range of materials, including ceramics, sediments, and minerals, making it a versatile tool in scientific research.However, there are challenges associated with luminescence analysis (发光分析). The accuracy of the results can be influenced by various factors, such as the presence of impurities or variations in sample preparation. Additionally, the interpretation of luminescence data requires expertise and a thorough understanding of the underlying principles. Researchers must be cautious in drawing conclusions based solely on luminescence measurements, as complementary analyses are often necessary to confirm findings.In conclusion, luminescence analysis (发光分析) is a valuable technique with broad applications in multiple disciplines. Its ability to provide insights into the properties and history of materials makes it an essential tool for researchers. As technology continues to advance, we can expect further developments in luminescence analysis (发光分析), leading to even more innovative applications in science and industry. Understanding this technique not only enhances our knowledge of the natural world but also contributes to the preservation of our cultural heritage and the protection of our environment.

发光分析是一种强大的技术，广泛应用于化学、物理和环境科学等多个领域。这种方法涉及测量物质在吸收能量后发出的光。发射的光，即发光，可以提供有关材料特性、成分甚至其历史的宝贵信息。发光分析在考古文物定年方面是最常见的应用之一。通过检查这些物体中矿物的发光特性，研究人员可以确定它们最后一次暴露在阳光或热量下的时间，从而为特定区域的人类活动提供时间线。除了考古学，发光分析在环境监测中也得到了广泛应用。例如，科学家可以分析土壤样本的发光性，以检测污染或随时间变化的土壤成分。这对于评估生态系统的健康状况和理解人类活动对环境的影响尤为重要。此外，发光分析在医学诊断中也发挥着重要作用。某些生物分子具有发光特性，可以利用这些特性开发灵敏的检测方法，以在极低浓度下检测疾病。发光分析的过程通常包括几个步骤。首先，准备样本，这可能包括研磨、筛分或化学处理以分离目标矿物。接下来，样本会受到能量输入，例如热量或辐射，从而激发材料中的电子。一旦去掉能量源，电子返回到基态，释放出能量，以光的形式发出。然后，使用专业设备（如光电倍增管或CCD相机）测量发射的光，这些设备将光转换为电信号进行分析。发光分析的一个主要优点是其非破坏性。与许多其他需要破坏样本的分析技术不同，发光不会改变被研究的材料。这使其成为分析珍贵文物或稀有地质标本的理想选择。此外，发光分析可以在广泛的材料上进行，包括陶瓷、沉积物和矿物，使其成为科学研究中的多功能工具。然而，发光分析也面临一些挑战。结果的准确性可能受到多种因素的影响，例如杂质的存在或样本准备的变化。此外，发光数据的解释需要专业知识和对基本原理的透彻理解。研究人员必须谨慎，仅根据发光测量得出结论，因为通常需要补充分析来确认发现。总之，发光分析是一种在多个学科中具有广泛应用的宝贵技术。它能够提供有关材料特性和历史的见解，使其成为研究人员的重要工具。随着技术的不断进步，我们可以期待发光分析的进一步发展，导致科学和工业中更具创新性的应用。理解这一技术不仅增强了我们对自然界的认识，还促进了我们文化遗产的保护和环境的保护。