proximate analysis

简明释义

近似分析

英英释义

例句

1.A detailed proximate analysis can help identify the energy content of different fuels.

详细的近似分析可以帮助识别不同燃料的能量含量。

2.In food science, proximate analysis is essential for understanding the nutritional composition of products.

在食品科学中，近似分析对于了解产品的营养成分至关重要。

3.The results of the proximate analysis showed a high level of protein in the feed.

该近似分析的结果显示饲料中蛋白质含量很高。

4.The laboratory conducted a proximate analysis to determine the moisture content of the coal sample.

实验室进行了一次近似分析以确定煤样的水分含量。

5.To evaluate the quality of the biomass, researchers performed a proximate analysis on the samples.

为了评估生物质的质量，研究人员对样品进行了近似分析。

作文

In the field of science, particularly in chemistry and materials science, understanding the components of a substance is crucial. One method that has been widely adopted for this purpose is known as proximate analysis. This term refers to the qualitative and quantitative determination of the main components of a material, typically used in the analysis of coal, biomass, and other organic materials. The primary goal of proximate analysis is to provide a quick and reliable assessment of the material's composition, which can be essential for various applications, including energy production, environmental assessments, and industrial processes.The process of proximate analysis generally involves measuring four key components: moisture content, volatile matter, ash content, and fixed carbon. Each of these components plays a significant role in determining the overall characteristics of the material being analyzed. For instance, moisture content indicates how much water is present in the sample, which can affect its energy content and combustion efficiency. Volatile matter represents the substances that can be released as gases when the material is heated, providing insights into its combustibility and energy potential.Ash content, on the other hand, reflects the inorganic residue left after combustion, which can indicate the mineral content of the material. Lastly, fixed carbon is the portion of carbon that remains after the volatile matter has been expelled, and it is a critical factor in determining the energy yield from the material. By conducting a proximate analysis, scientists and engineers can make informed decisions about the suitability of a material for specific applications.The importance of proximate analysis extends beyond just understanding the composition of materials; it also plays a vital role in quality control and regulatory compliance. Industries that rely on the combustion of organic materials, such as power generation and manufacturing, must ensure that their raw materials meet specific standards for efficiency and emissions. Conducting proximate analysis helps these industries maintain compliance with environmental regulations while optimizing their processes for better performance.Moreover, proximate analysis is not limited to coal and biomass; it can also be applied to various other materials, including food products, pharmaceuticals, and waste management. In the food industry, for instance, proximate analysis is used to determine the nutritional content of foods by measuring moisture, protein, fat, and carbohydrate levels. This information is crucial for labeling, dietary planning, and ensuring food safety.In conclusion, proximate analysis is an essential technique in both scientific research and industrial applications. By providing a comprehensive overview of a material's composition, it enables better decision-making and enhances the efficiency of processes across various fields. As technology advances, the methods and tools used for proximate analysis are likely to continue evolving, leading to even more precise and valuable insights into the materials we use every day.

在科学领域，特别是在化学和材料科学中，理解物质的组成至关重要。为此，广泛采用的一种方法称为近似分析。这个术语是指对材料主要成分的定性和定量测定，通常用于煤、生物质和其他有机材料的分析。近似分析的主要目标是提供对材料组成的快速可靠评估，这对于能源生产、环境评估和工业过程等各种应用至关重要。近似分析的过程通常涉及测量四个关键成分：水分含量、挥发分、灰分和固定碳。这些成分在确定被分析材料的整体特征方面发挥着重要作用。例如，水分含量表明样品中存在多少水，这会影响其能量含量和燃烧效率。挥发分代表在加热时可以作为气体释放的物质，提供其可燃性和能量潜力的洞察。另一方面，灰分反映了燃烧后留下的无机残留物，这可以指示材料的矿物成分。最后，固定碳是挥发分排出后剩下的碳部分，它是确定材料能量产量的关键因素。通过进行近似分析，科学家和工程师可以就材料是否适合特定应用做出明智的决策。近似分析的重要性不仅限于理解材料的组成；它在质量控制和法规合规中也发挥着至关重要的作用。依赖有机材料燃烧的行业，如发电和制造，必须确保其原材料符合特定的效率和排放标准。进行近似分析有助于这些行业保持环境法规的合规性，同时优化其工艺以获得更好的性能。此外，近似分析不仅限于煤和生物质；它也可以应用于各种其他材料，包括食品产品、药品和废物管理。例如，在食品工业中，近似分析用于通过测量水分、蛋白质、脂肪和碳水化合物水平来确定食品的营养成分。这些信息对于标签、饮食规划和确保食品安全至关重要。总之，近似分析是科学研究和工业应用中的一项重要技术。通过提供材料组成的全面概述，它使得更好的决策成为可能，并提高了各个领域流程的效率。随着技术的进步，用于近似分析的方法和工具可能会继续发展，从而为我们每天使用的材料提供更精确和有价值的洞察。