chemical analysis

简明释义

化学分析

英英释义

例句

1.A detailed chemical analysis is essential for quality control in manufacturing.

详细的化学分析对于制造中的质量控制至关重要。

2.The laboratory conducted a chemical analysis to determine the composition of the unknown substance.

实验室进行了化学分析以确定未知物质的成分。

3.Researchers used chemical analysis to identify the active ingredients in the herbal medicine.

研究人员通过化学分析识别了草药中的活性成分。

4.The results of the chemical analysis showed high levels of contaminants in the water.

这次化学分析的结果显示水中污染物含量很高。

5.Before starting the experiment, we need to perform a chemical analysis of the samples.

在开始实验之前，我们需要对样品进行化学分析。

作文

Chemical analysis is a fundamental process in the field of chemistry that involves the examination of substances to determine their composition and structure. This process is crucial for various applications, including pharmaceuticals, environmental science, and food safety. By employing different techniques, scientists can identify the elements and compounds present in a sample, which allows for a deeper understanding of the material's properties and potential uses. 化学分析 (chemical analysis) can be categorized into two main types: qualitative and quantitative analysis.Qualitative analysis focuses on identifying the components of a substance without measuring their amounts. For instance, when analyzing a soil sample, a chemist may use various tests to determine the presence of minerals, organic matter, or pollutants. This type of analysis is essential for environmental monitoring, as it helps identify contaminants that could harm ecosystems and human health. Moreover, qualitative 化学分析 (chemical analysis) can be used in forensic science to analyze evidence from crime scenes, providing critical information that can lead to solving cases.On the other hand, quantitative analysis measures the exact amounts of specific components within a sample. This type of analysis is particularly important in industries such as pharmaceuticals, where precise dosages of active ingredients are crucial for the safety and efficacy of medications. Techniques like titration, chromatography, and mass spectrometry are commonly employed in quantitative 化学分析 (chemical analysis). These methods allow scientists to produce accurate and reproducible results, ensuring that products meet regulatory standards and consumer safety requirements.In addition to these methods, advancements in technology have significantly improved the accuracy and efficiency of 化学分析 (chemical analysis). For example, the development of automated systems and sophisticated software has streamlined data collection and interpretation. As a result, scientists can analyze complex samples more quickly and with greater precision than ever before. This technological progress has far-reaching implications, from enhancing research capabilities to improving quality control processes in manufacturing.Furthermore, 化学分析 (chemical analysis) plays a vital role in addressing global challenges such as climate change and public health. By analyzing environmental samples, researchers can track pollutants and assess their impact on ecosystems and human populations. In the realm of public health, 化学分析 (chemical analysis) is essential for monitoring contaminants in food and water supplies, helping to prevent outbreaks of foodborne illnesses and ensuring safe drinking water.In conclusion, 化学分析 (chemical analysis) is an indispensable tool in modern science and industry. Its ability to provide detailed information about the composition and properties of materials is crucial for various fields, including environmental science, pharmaceuticals, and food safety. As technology continues to advance, the methods and applications of 化学分析 (chemical analysis) will undoubtedly evolve, leading to new discoveries and innovations that benefit society as a whole.