gas mass spectrometry

简明释义

气体质谱测定法

英英释义

例句

1.With gas mass spectrometry, scientists can identify the molecular weight of unknown compounds.

通过气体质谱法，科学家可以识别未知化合物的分子量。

2.In environmental monitoring, gas mass spectrometry is crucial for tracking pollution sources.

在环境监测中，气体质谱法对追踪污染源至关重要。

3.Researchers used gas mass spectrometry to analyze the composition of the atmosphere on Mars.

研究人员使用气体质谱法分析火星大气的成分。

4.The team employed gas mass spectrometry to study the volatile organic compounds in the air.

该团队采用气体质谱法研究空气中的挥发性有机化合物。

5.The laboratory specializes in gas mass spectrometry for detecting trace gases in industrial emissions.

该实验室专注于使用气体质谱法检测工业排放中的微量气体。

作文

Gas mass spectrometry is a powerful analytical technique used to identify and quantify the chemical composition of various substances. This method involves the ionization of gas-phase molecules, which are then separated based on their mass-to-charge ratio. The significance of gas mass spectrometry (气体质谱法) lies in its ability to provide detailed information about molecular structures, making it invaluable in fields such as chemistry, environmental science, and pharmaceuticals.One of the primary advantages of gas mass spectrometry (气体质谱法) is its sensitivity. It can detect trace amounts of compounds in complex mixtures, which is crucial for applications like environmental monitoring. For instance, scientists can use this technique to analyze air samples for pollutants or hazardous substances, ensuring compliance with safety regulations and protecting public health.Moreover, gas mass spectrometry (气体质谱法) offers high resolution and accuracy, allowing researchers to distinguish between closely related compounds. This capability is particularly important in the pharmaceutical industry, where identifying the exact composition of drugs is essential for quality control and regulatory approval. By employing this technique, companies can ensure that their products meet strict safety standards and deliver the intended therapeutic effects.In addition to its application in environmental and pharmaceutical analysis, gas mass spectrometry (气体质谱法) is also widely used in the field of forensics. Investigators rely on this technique to analyze evidence from crime scenes, such as residues from explosives or drugs. The ability to quickly and accurately identify substances can be pivotal in solving criminal cases and bringing justice to victims.The process of gas mass spectrometry (气体质谱法) typically involves several steps: sample preparation, ionization, mass analysis, and data interpretation. During sample preparation, gases are often collected into a chamber where they can be analyzed. The ionization step may involve techniques like electron impact or chemical ionization, which convert neutral molecules into ions. Once ionized, these ions are accelerated and passed through a mass analyzer, where they are separated according to their mass-to-charge ratios. Finally, the resulting data is interpreted using specialized software, providing insights into the sample's composition.As technology advances, the field of gas mass spectrometry (气体质谱法) continues to evolve. Innovations such as miniaturization and improved ionization techniques are making it more accessible and versatile. Researchers are now able to perform analyses in real-time, which is particularly beneficial in dynamic environments such as industrial plants or during field studies.In conclusion, gas mass spectrometry (气体质谱法) is an essential tool in modern analytical chemistry, offering unparalleled sensitivity, resolution, and accuracy. Its applications span across multiple disciplines, including environmental science, pharmaceuticals, and forensics. As the technology progresses, we can expect even greater advancements in this field, further enhancing our ability to understand and analyze the world around us.