denuder

简明释义

英[dɪˈnjuːdər]美[dɪˈnjuːdər]

溶蚀器

英英释义

单词用法

同义词

反义词

例句

1.Measurements of particulate nitrate and gaseous nitric acid in ambient air were studied by denuder difference and filter packs.

研究了用扩散管差分法和多种叠层滤膜法测量大气中颗粒物硝酸盐和气体硝酸。

2.The denuder difference experiment can be used to measure particulate ammonium and gaseous ammonia in the atmosphere while avoiding losses of particulate ammonium by sampling artifacts.

本文用扩散管差分法和多种叠层滤膜法测量大气中颗粒物铵盐和气态氨。

3.A denuder-based method for sampling and separating gaseous and particulate mercury in the air was described. The comparison results for denuder and a traditional filtration method were presented.

本文叙述一种分离大气中气态汞和颗粒态汞的扩散管采样方法，将它与传统的滤膜过滤法测得的结果进行比较。

4.A denuder-based method for sampling and separating gaseous and particulate mercury in the air was described. The comparison results for denuder and a traditional filtration method were presented.

本文叙述一种分离大气中气态汞和颗粒态汞的扩散管采样方法，将它与传统的滤膜过滤法测得的结果进行比较。

5.Measurements of paniculate ammonium and gaseous ammonia in ambient air were studied by denuder difference and filter packs.

本文用扩散管差分法和多种叠层滤膜法测量大气中颗粒物铵盐和气态氨。

6.In the laboratory, the denuder helped remove particulate matter from the air before analysis.

在实验室中，去除器帮助在分析之前去除了空气中的颗粒物。

7.To ensure accurate measurements, the scientist calibrated the denuder regularly.

为了确保测量准确，科学家定期校准去除器。

8.Using a denuder, researchers can isolate specific compounds from complex mixtures.

通过使用去除器，研究人员可以从复杂混合物中分离特定化合物。

9.The denuder is essential for studying gas-phase reactions in environmental science.

在环境科学中，去除器对于研究气相反应至关重要。

10.The climate researcher used a denuder to collect samples of atmospheric gases.

气候研究人员使用去除器来收集大气气体样本。

作文

In the field of geology and environmental science, the term denuder refers to a specific type of instrument or process used to remove certain components from a sample, particularly in the analysis of atmospheric particles. The primary function of a denuder is to isolate gases or vapors from particulate matter, allowing researchers to study the chemical composition of the atmosphere more accurately. This is crucial for understanding air quality, pollution levels, and the effects of various pollutants on human health and the environment.The use of denuders has become increasingly important in recent years, especially as concerns about climate change and air pollution have grown. By employing these devices, scientists can obtain clearer data regarding the concentrations of specific gases, such as sulfur dioxide or nitrogen oxides, without the interference of particulate matter. This separation is essential for creating effective environmental policies and regulations aimed at reducing emissions and improving air quality.Moreover, denuders are used in various applications, including monitoring industrial emissions and assessing the impact of traffic on urban air quality. For instance, in a study conducted in a bustling metropolitan area, researchers utilized denuders to measure the levels of volatile organic compounds (VOCs) emitted by vehicles. The results provided valuable insights into the sources of air pollution and helped city planners develop strategies to mitigate these emissions.The operation of a denuder typically involves passing air through a series of chemical traps that selectively absorb or react with specific gases while allowing others to pass through. This process can be quite complex, requiring careful calibration and maintenance to ensure accurate results. Additionally, the design of a denuder can vary depending on the specific application and the types of gases being measured.One of the challenges faced by researchers using denuders is ensuring that the samples collected are representative of the ambient air. Factors such as weather conditions, time of day, and location can all influence the concentration of gases in the atmosphere. To address this, scientists often deploy multiple denuders across different sites and times, allowing for a comprehensive analysis of air quality over time.In conclusion, the role of a denuder in environmental science cannot be overstated. As our understanding of air pollution and its effects continues to evolve, these instruments will play a vital part in helping us gather the data needed to combat these pressing issues. By providing a clearer picture of the atmosphere's composition, denuders contribute significantly to our efforts to create a healthier and more sustainable environment for future generations. The ongoing research and development of denuder technology will undoubtedly enhance our ability to monitor and manage air quality effectively, paving the way for cleaner air and a better quality of life.

在地质学和环境科学领域，术语denuder指的是一种特定类型的仪器或过程，用于从样本中去除某些成分，特别是在大气颗粒物的分析中。denuder的主要功能是将气体或蒸汽与颗粒物分离，从而使研究人员能够更准确地研究大气的化学成分。这对于理解空气质量、污染水平以及各种污染物对人类健康和环境的影响至关重要。近年来，使用denuders变得越来越重要，尤其是在对气候变化和空气污染的关注日益加剧的背景下。通过使用这些设备，科学家可以获得更清晰的数据，关于特定气体的浓度，例如二氧化硫或氮氧化物，而不受颗粒物的干扰。这种分离对于制定有效的环境政策和法规，旨在减少排放和改善空气质量至关重要。此外，denuders还用于各种应用，包括监测工业排放和评估交通对城市空气质量的影响。例如，在一项在繁忙都市地区进行的研究中，研究人员利用denuders测量车辆排放的挥发性有机化合物（VOCs）水平。结果提供了有关空气污染源的宝贵见解，并帮助城市规划者制定减轻这些排放的策略。denuder的操作通常涉及将空气通过一系列化学捕集器，这些捕集器选择性地吸收或与特定气体反应，同时允许其他气体通过。这个过程可能相当复杂，需要仔细的校准和维护，以确保结果的准确性。此外，denuder的设计可以根据具体应用和被测气体的类型而有所不同。使用denuders的研究人员面临的一个挑战是确保所收集的样本能够代表周围的空气。天气条件、时间和地点等因素都可能影响大气中气体的浓度。为了解决这个问题，科学家们通常会在不同的地点和时间部署多个denuders，以便对空气质量进行全面分析。总之，denuder在环境科学中的作用不可低估。随着我们对空气污染及其影响的认识不断发展，这些仪器将在帮助我们收集应对这些紧迫问题所需的数据方面发挥重要作用。通过提供大气成分的更清晰图景，denuders显著促进了我们努力创造一个更健康、更可持续环境的工作。denuder技术的持续研究和开发无疑将增强我们有效监测和管理空气质量的能力，为未来几代人铺平道路，创造更清洁的空气和更好的生活质量。