flash photolysis

简明释义

闪光光解

英英释义

Flash photolysis is a technique in chemical kinetics where a short, intense burst of light is used to initiate a reaction or to study the transient species formed during a reaction.

闪光光解是一种化学动力学技术,通过短暂而强烈的光束来启动反应或研究反应过程中形成的瞬态物质。

例句

1.By employing flash photolysis 闪光光解, we can measure the absorption spectra of reactive intermediates in real time.

通过采用flash photolysis 闪光光解,我们可以实时测量反应中间体的吸收光谱。

2.The technique of flash photolysis 闪光光解 allows scientists to investigate the dynamics of short-lived chemical intermediates.

flash photolysis 闪光光解技术使科学家能够研究短寿命化学中间体的动力学。

3.In the study of reaction kinetics, researchers often use flash photolysis 闪光光解 to observe transient species.

在反应动力学的研究中,研究人员经常使用flash photolysis 闪光光解来观察瞬态物质。

4.The use of flash photolysis 闪光光解 has revolutionized our understanding of radical reactions.

使用flash photolysis 闪光光解彻底改变了我们对自由基反应的理解。

5.In photochemistry, flash photolysis 闪光光解 is essential for studying fast processes that occur on the nanosecond timescale.

在光化学中,flash photolysis 闪光光解对于研究发生在纳秒时间尺度上的快速过程至关重要。

作文

The study of chemical reactions and their mechanisms is fundamental to understanding various processes in chemistry and biology. One technique that has been pivotal in this field is flash photolysis, which allows scientists to investigate the dynamics of transient species in real time. This method involves the use of a brief, intense pulse of light to initiate a reaction or to excite a molecule, followed by the observation of the reaction products as they evolve over time. The significance of flash photolysis lies in its ability to provide insights into the kinetics of fast reactions, often occurring on the timescale of microseconds to milliseconds.In practical applications, flash photolysis is utilized to study various systems, including gas-phase reactions and complex biological processes. For instance, researchers can use this technique to analyze how certain molecules absorb light and subsequently react, which is crucial for understanding photosynthesis in plants. By employing flash photolysis, scientists can capture the formation of short-lived intermediates that are otherwise challenging to observe with traditional methods.One of the key advantages of flash photolysis is its ability to create highly reactive species, such as free radicals, which play a significant role in many chemical reactions. These radicals can be generated by the rapid absorption of photons from the flash of light, leading to immediate chemical changes. The subsequent monitoring of these changes provides valuable data regarding the reaction mechanisms and pathways involved. This capability makes flash photolysis an essential tool in both academic research and industrial applications, particularly in fields like photochemistry and environmental science.Moreover, flash photolysis has contributed significantly to our understanding of atmospheric chemistry. For example, it has been used to study the breakdown of pollutants under sunlight, helping researchers assess the impact of various compounds on air quality and climate change. By analyzing the products formed during these reactions, scientists can develop better models to predict the behavior of pollutants and their effects on the environment.In conclusion, the technique of flash photolysis serves as a powerful means of exploring the intricate details of chemical reactions. Its ability to capture fleeting moments in reaction dynamics enables researchers to unravel complex mechanisms that govern various processes in nature. As technology advances, the applications of flash photolysis are likely to expand further, paving the way for new discoveries in chemistry, biology, and environmental science. Understanding this technique not only enhances our knowledge of fundamental science but also aids in the development of innovative solutions to pressing global challenges.

化学反应及其机制的研究对于理解化学和生物中的各种过程至关重要。一个在这一领域中具有重要意义的技术是闪光光解法,它使科学家能够实时研究瞬态物种的动态。这种方法涉及使用短暂而强烈的光脉冲来启动反应或激发分子,然后观察反应产物随时间的发展。闪光光解法的重要性在于它能够提供关于快速反应动力学的见解,这些反应通常发生在微秒到毫秒的时间尺度上。在实际应用中,闪光光解法被用于研究各种系统,包括气相反应和复杂的生物过程。例如,研究人员可以使用该技术分析某些分子如何吸收光并随后反应,这对于理解植物中的光合作用至关重要。通过采用闪光光解法,科学家能够捕捉到短暂存在的中间体的形成,这些中间体在传统方法中很难观察到。闪光光解法的一个关键优势是其能够生成高度反应性的物种,如自由基,这在许多化学反应中起着重要作用。这些自由基可以通过光脉冲的快速吸收光子产生,从而导致立即的化学变化。对这些变化的后续监测提供了关于反应机制和路径的宝贵数据。这一能力使得闪光光解法成为学术研究和工业应用中的重要工具,特别是在光化学和环境科学等领域。此外,闪光光解法对我们理解大气化学贡献巨大。例如,它被用于研究污染物在阳光下的分解,帮助研究人员评估各种化合物对空气质量和气候变化的影响。通过分析这些反应中形成的产物,科学家可以开发更好的模型来预测污染物的行为及其对环境的影响。总之,闪光光解法这一技术作为探索化学反应细节的强大手段,其能力捕捉反应动态中的瞬间,使研究人员能够揭示自然界中支配各种过程的复杂机制。随着技术的进步,闪光光解法的应用可能会进一步扩展,为化学、生物和环境科学的新发现铺平道路。理解这一技术不仅增强了我们对基础科学的知识,还有助于开发创新解决方案,以应对迫在眉睫的全球挑战。

相关单词

photolysis

photolysis详解:怎么读、什么意思、用法