fluorescence spectrum

简明释义

荧光光谱

英英释义

A fluorescence spectrum is a graph that represents the intensity of fluorescence emitted by a substance as a function of wavelength or frequency, typically used to analyze the properties of fluorescent materials.

荧光光谱是一个图形,表示物质发出的荧光强度与波长或频率的关系,通常用于分析荧光材料的特性。

例句

1.The fluorescence spectrum 荧光光谱 revealed unexpected peaks that indicated the presence of impurities.

荧光光谱 fluorescence spectrum显示出意外的峰值,表明存在杂质。

2.In biomedical research, the fluorescence spectrum 荧光光谱 is crucial for imaging techniques.

在生物医学研究中,荧光光谱 fluorescence spectrum对成像技术至关重要。

3.By comparing the fluorescence spectrum 荧光光谱 of different materials, researchers can determine their properties.

通过比较不同材料的荧光光谱 fluorescence spectrum,研究人员可以确定它们的特性。

4.The scientist analyzed the fluorescence spectrum 荧光光谱 to identify the chemical composition of the sample.

科学家分析了荧光光谱 fluorescence spectrum以确定样本的化学成分。

5.The device was calibrated to measure the fluorescence spectrum 荧光光谱 accurately.

该设备经过校准,以准确测量荧光光谱 fluorescence spectrum

作文

Fluorescence is a fascinating phenomenon that occurs when certain substances absorb light or other electromagnetic radiation and then re-emit it. This process is not only visually striking but also scientifically significant. One of the key concepts related to fluorescence is the fluorescence spectrum, which refers to the range of wavelengths emitted by a fluorescent substance when it is excited by a specific wavelength of light. Understanding the fluorescence spectrum can provide valuable insights into the properties of various materials and their applications in different fields. The fluorescence spectrum is typically measured using a spectrometer, an instrument that separates light into its component wavelengths. When a sample is illuminated with light of a particular wavelength, it absorbs some of that light and then re-emits it at longer wavelengths. This shift in wavelength is due to the energy levels of the electrons in the atoms or molecules of the substance. The emitted light can be detected and analyzed to produce a characteristic spectrum that is unique to each fluorescent material. In practical applications, the fluorescence spectrum is widely used in various scientific disciplines, including chemistry, biology, and material science. For instance, in biochemistry, researchers often use fluorescent dyes to label specific proteins or nucleic acids. By analyzing the fluorescence spectrum of these labeled molecules, scientists can gain insights into cellular processes and interactions. This technique is crucial for understanding complex biological systems and has led to significant advancements in medical research and diagnostics. Moreover, the fluorescence spectrum plays a vital role in environmental monitoring. Certain pollutants exhibit fluorescence properties, allowing scientists to detect and quantify their presence in samples such as water or soil. By studying the fluorescence spectrum of these contaminants, researchers can assess environmental health and develop strategies for remediation. In addition to its applications in research and environmental science, the fluorescence spectrum is also utilized in various industrial processes. For example, manufacturers may employ fluorescence spectroscopy to analyze the quality of products, ensuring that they meet specific standards. This method provides a non-destructive way to evaluate materials, making it an invaluable tool in quality control. In conclusion, the fluorescence spectrum is a critical concept that encompasses the emitted light characteristics of fluorescent substances. Its significance extends across multiple fields, from biological research to environmental science and industrial applications. By understanding the fluorescence spectrum, scientists and researchers can unlock new knowledge about materials and their behaviors, ultimately leading to innovations and advancements in technology and medicine. The study of fluorescence and its spectrum will continue to be a vibrant area of research, revealing more about the intricate details of the natural world. In summary, the fluorescence spectrum (荧光光谱) is essential for understanding how materials interact with light and can be applied in numerous scientific and industrial contexts.

荧光是一种迷人的现象,当某些物质吸收光或其他电磁辐射并随后重新发射时,就会发生这种现象。这一过程不仅在视觉上引人注目,而且在科学上也具有重要意义。与荧光相关的一个关键概念是荧光光谱,它指的是当荧光物质被特定波长的光激发时发射的波长范围。理解荧光光谱可以提供有关各种材料及其在不同领域应用的宝贵见解。 荧光光谱通常使用分光仪进行测量,这是一种将光分离成其组成波长的仪器。当样品用特定波长的光照射时,它会吸收部分光,然后以更长的波长重新发射。这种波长的变化是由于物质中原子或分子的电子能级变化。发射的光可以被探测和分析,以产生每种荧光材料独特的特征光谱。 在实际应用中,荧光光谱广泛用于化学、生物学和材料科学等多个科学学科。例如,在生物化学中,研究人员经常使用荧光染料来标记特定的蛋白质或核酸。通过分析这些标记分子的荧光光谱,科学家可以深入了解细胞过程和相互作用。这一技术对于理解复杂的生物系统至关重要,并推动了医学研究和诊断的重大进展。 此外,荧光光谱在环境监测中也发挥着重要作用。某些污染物表现出荧光特性,使科学家能够检测和量化水或土壤等样本中它们的存在。通过研究这些污染物的荧光光谱,研究人员可以评估环境健康并制定修复策略。 除了在研究和环境科学中的应用外,荧光光谱还被用于各种工业过程。例如,制造商可能会采用荧光光谱法来分析产品质量,确保其符合特定标准。这种方法提供了一种无损的方式来评估材料,使其成为质量控制中不可或缺的工具。 总之,荧光光谱是一个关键概念,涵盖了荧光物质的发光特性。其重要性延伸到多个领域,从生物研究到环境科学和工业应用。通过理解荧光光谱,科学家和研究人员可以揭示关于材料及其行为的新知识,最终推动技术和医学的创新与进步。荧光及其光谱的研究将继续成为一个充满活力的研究领域,揭示自然世界的复杂细节。 总之,荧光光谱荧光光谱)对于理解材料如何与光相互作用至关重要,并且可以应用于众多科学和工业背景。

相关单词

fluorescence

fluorescence详解:怎么读、什么意思、用法

spectrum

spectrum详解:怎么读、什么意思、用法