chemical analysis

简明释义

化学分析

英英释义

例句

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

实验室进行了彻底的化学分析以确定未知物质的成分。

2.In forensic science, chemical analysis is crucial for identifying substances found at crime scenes.

在法医学中，化学分析对于识别犯罪现场发现的物质至关重要。

3.The food industry often uses chemical analysis to ensure products meet safety standards.

食品行业通常使用化学分析来确保产品符合安全标准。

4.Before releasing the new drug, the company performed extensive chemical analysis to ensure its safety.

在发布新药之前，公司进行了广泛的化学分析以确保其安全性。

5.The environmental agency requires a chemical analysis of water samples to check for pollutants.

环境机构要求对水样进行化学分析以检查污染物。

作文

Chemical analysis is a systematic process used to identify and quantify the chemical components of a substance. This technique is crucial in various fields such as chemistry, environmental science, and pharmaceuticals. By employing different methods, scientists can determine the composition of materials, which is essential for quality control, research, and development. 化学分析 plays a pivotal role in ensuring that products meet safety standards and regulatory requirements.One of the primary methods of chemical analysis is qualitative analysis, which focuses on identifying the substances present in a sample. For instance, if a scientist receives an unknown compound, they can perform tests to determine what elements or compounds are present. This might involve techniques like spectroscopy or chromatography, which separate and identify the components based on their physical or chemical properties.Quantitative analysis, on the other hand, measures the amount of each component in a mixture. This is particularly important in industries such as pharmaceuticals, where precise dosages of active ingredients are crucial for patient safety. Techniques like titration or mass spectrometry are commonly used in quantitative chemical analysis. These methods allow researchers to obtain accurate data, which can be used for further testing and development.The importance of chemical analysis extends beyond laboratories. In environmental science, for example, it helps in monitoring pollution levels in air, water, and soil. By analyzing samples from these environments, scientists can determine the presence of harmful substances and their concentrations. This information is vital for developing strategies to mitigate environmental damage and protect public health.Moreover, chemical analysis is indispensable in the food industry. Quality control processes often involve analyzing food products to ensure they are safe for consumption. This includes checking for contaminants, verifying ingredient lists, and ensuring that nutritional information is accurate. Food safety regulations require rigorous chemical analysis to prevent foodborne illnesses and ensure consumer confidence in food products.In the realm of research and development, chemical analysis provides essential data that drives innovation. Scientists rely on detailed analyses to understand chemical reactions, develop new materials, and create effective drugs. The insights gained from chemical analysis can lead to breakthroughs in technology and medicine, improving lives and advancing science.In summary, chemical analysis is a fundamental aspect of scientific inquiry and industrial practices. It encompasses a variety of techniques that help identify and quantify substances, ensuring safety and quality across multiple sectors. Whether in the laboratory, the environment, or the food industry, chemical analysis is a vital tool that supports informed decision-making and fosters advancements in knowledge and technology. As we continue to face new challenges, the role of chemical analysis will undoubtedly grow, highlighting its significance in our daily lives and the health of our planet.

化学分析是用于识别和量化物质化学成分的系统过程。这种技术在化学、环境科学和制药等多个领域至关重要。通过采用不同的方法，科学家可以确定材料的成分，这对于质量控制、研究和开发至关重要。化学分析在确保产品符合安全标准和法规要求方面发挥着关键作用。化学分析的主要方法之一是定性分析，它侧重于识别样品中存在的物质。例如，如果科学家收到一个未知化合物，他们可以进行测试以确定其中存在的元素或化合物。这可能涉及光谱法或色谱法等技术，这些技术根据其物理或化学特性分离和识别组分。另一方面，定量分析则测量混合物中每种成分的数量。这在制药等行业尤为重要，因为活性成分的精确剂量对患者安全至关重要。滴定或质谱法等技术通常用于定量化学分析。这些方法使研究人员能够获得准确的数据，可用于进一步的测试和开发。化学分析的重要性超越了实验室。在环境科学中，例如，它有助于监测空气、水和土壤中的污染水平。通过分析这些环境的样本，科学家可以确定有害物质及其浓度的存在。这些信息对于制定减轻环境损害和保护公共健康的策略至关重要。此外，化学分析在食品工业中不可或缺。质量控制过程通常涉及分析食品产品，以确保其安全可供消费。这包括检查污染物、验证成分列表以及确保营养信息的准确性。食品安全法规要求进行严格的化学分析，以防止食源性疾病并确保消费者对食品产品的信心。在研究和开发领域，化学分析提供了推动创新的基本数据。科学家依赖详细的分析来理解化学反应、开发新材料和创造有效药物。从化学分析中获得的见解可以导致技术和医学方面的突破，改善生活并推动科学进步。总之，化学分析是科学探究和工业实践的基本方面。它涵盖多种技术，有助于识别和量化物质，确保多个部门的安全和质量。无论是在实验室、环境还是食品工业，化学分析都是一项重要工具，支持明智的决策并促进知识和技术的进步。随着我们继续面临新挑战，化学分析的作用无疑会增加，突显其在我们日常生活和地球健康中的重要性。