analysis by sedimentation

简明释义

沉降分析;

英英释义

例句

1.In environmental studies, analysis by sedimentation helps identify contaminants in sediment layers.

在环境研究中，沉降分析有助于识别沉积层中的污染物。

2.The analysis by sedimentation revealed a significant increase in heavy metals in the riverbed.

这项沉降分析显示河床重金属含量显著增加。

3.Researchers used analysis by sedimentation to assess the effectiveness of the new water treatment method.

研究人员使用沉降分析来评估新水处理方法的有效性。

4.The laboratory conducted an analysis by sedimentation to determine the particle size distribution of the soil sample.

实验室进行了沉降分析以确定土壤样本的颗粒大小分布。

5.Using analysis by sedimentation, scientists can monitor changes in sediment composition over time.

通过沉降分析，科学家可以监测沉积物成分随时间的变化。

作文

In the field of science, particularly in biology and chemistry, the term analysis by sedimentation refers to a method used to separate particles from a liquid medium based on their size, shape, and density. This technique is crucial for understanding various biological processes and the composition of different substances. The principle behind analysis by sedimentation lies in the fact that when a mixture of particles is placed in a liquid and allowed to settle, the heavier particles tend to sink faster than the lighter ones. This allows researchers to isolate specific components for further study.For example, in microbiology, analysis by sedimentation can be employed to separate bacteria from a broth culture. By allowing the culture to sit undisturbed for a certain period, the bacteria will settle at the bottom of the container. This sediment can then be collected and analyzed to determine the types of bacteria present, their concentrations, and other important characteristics. This method is not only efficient but also cost-effective, making it a preferred choice in many laboratories.Moreover, analysis by sedimentation is also widely used in environmental science. When studying water quality, scientists often need to analyze particulate matter in water samples. By applying this technique, they can identify pollutants or sediments that may indicate contamination or ecological changes in aquatic environments. The results from such analyses can inform policy decisions and conservation efforts, emphasizing the importance of sedimentation analysis in protecting our natural resources.In addition to its applications in biology and environmental science, analysis by sedimentation is also relevant in industrial processes. For instance, in the production of pharmaceuticals, the purity of compounds is essential. Through sedimentation analysis, manufacturers can ensure that their products are free from unwanted impurities, thus maintaining high standards of quality and safety. This method provides a reliable way to monitor the production process and verify the final product's integrity.Understanding analysis by sedimentation also involves recognizing its limitations. While this method is effective for many applications, it may not be suitable for all types of particles. For instance, very small particles may remain suspended in the liquid for extended periods, making them difficult to analyze through sedimentation alone. Therefore, researchers often combine this method with other analytical techniques, such as centrifugation or filtration, to achieve more comprehensive results.In conclusion, analysis by sedimentation is a fundamental technique in various scientific fields, providing valuable insights into the composition and behavior of different materials. Its applications range from microbiology to environmental science and industrial processes, highlighting its versatility and importance. As we continue to explore and understand the world around us, mastering techniques like sedimentation analysis will undoubtedly contribute to advancements in science and technology. By leveraging this method, scientists can enhance their understanding of complex systems, ultimately leading to better solutions for the challenges we face today.

在科学领域，特别是在生物学和化学中，术语沉降分析指的是一种用于根据颗粒的大小、形状和密度将颗粒从液体介质中分离的方法。这种技术对于理解各种生物过程和不同物质的组成至关重要。沉降分析的原理在于，当一混合物放置在液体中并允许其沉降时，较重的颗粒往往会比较轻的颗粒更快地沉降。这使研究人员能够分离特定成分以进行进一步研究。例如，在微生物学中，沉降分析可以用来将细菌从培养基中分离出来。通过让培养液静置一段时间，细菌会沉降到容器底部。然后，可以收集这些沉淀物并进行分析，以确定存在的细菌类型、浓度及其他重要特征。这种方法不仅高效，而且成本低，使其成为许多实验室的首选。此外，沉降分析在环境科学中也被广泛应用。在研究水质时，科学家通常需要分析水样中的颗粒物。通过应用这种技术，他们可以识别可能表明污染或水域生态变化的污染物或沉积物。这类分析的结果可以为政策决策和保护工作提供信息，强调了沉降分析在保护自然资源方面的重要性。除了在生物学和环境科学中的应用外，沉降分析在工业过程中也很相关。例如，在制药生产中，化合物的纯度至关重要。通过沉降分析，制造商可以确保他们的产品不含不必要的杂质，从而保持高标准的质量和安全性。这种方法提供了一种可靠的方式来监控生产过程，并验证最终产品的完整性。理解沉降分析还涉及认识到其局限性。虽然这种方法对许多应用有效，但可能不适合所有类型的颗粒。例如，极小的颗粒可能会在液体中悬浮很长时间，使其仅通过沉降分析变得难以分析。因此，研究人员通常将此方法与其他分析技术（如离心或过滤）结合使用，以获得更全面的结果。总之，沉降分析是各个科学领域的一项基本技术，为不同材料的组成和行为提供了宝贵的见解。其应用范围从微生物学到环境科学和工业过程，突显了其多功能性和重要性。随着我们继续探索和理解周围的世界，掌握像沉降分析这样的技术无疑将有助于科学和技术的进步。通过利用这种方法，科学家可以增强对复杂系统的理解，最终为我们今天面临的挑战提供更好的解决方案。