ash free basis

简明释义

无灰基;

英英释义

例句

1.When comparing the heating values of different fuels, it is essential to present the data on an ash free basis for accurate assessment.

在比较不同燃料的热值时，必须在无灰基础上呈现数据以便于准确评估。

2.The analysis of coal was conducted on an ash free basis, which means the results exclude any inorganic residue.

煤的分析是在无灰基础上进行的，这意味着结果不包括任何无机残留物。

3.For the purpose of this study, the samples were evaluated on an ash free basis to eliminate variability from ash content.

为了本研究的目的，样品是在无灰基础上评估的，以消除灰分含量带来的变异性。

4.In environmental assessments, emissions are often calculated on an ash free basis to provide a clearer picture of pollutant outputs.

在环境评估中，排放通常在无灰基础上计算，以提供污染物排放的更清晰图景。

5.The laboratory reported the calorific value of the biomass on an ash free basis to highlight its energy potential.

实验室报告了生物质的热值，在无灰基础上以突出其能源潜力。

作文

In the field of chemistry and materials science, the term ash free basis is often used to describe a method of quantifying the composition of a substance without including the weight of any inorganic residues that remain after combustion. This concept is particularly important when analyzing organic materials, such as coal, biomass, or various types of fuels. When we refer to the ash free basis, we essentially focus on the organic content of a sample, which provides a clearer understanding of its true energy potential and chemical properties.The significance of measuring substances on an ash free basis cannot be overstated, especially in industries that rely heavily on fuel sources. For instance, in the coal industry, determining the energy content of coal is critical for both pricing and efficiency assessments. Coal is composed of carbon, hydrogen, sulfur, and various minerals, which can contribute to ash formation during combustion. By evaluating coal on an ash free basis, companies can ascertain the amount of combustible material available, leading to more informed decisions regarding mining, processing, and selling coal.Furthermore, the ash free basis measurement is not limited to coal alone; it extends to other forms of biomass, such as wood pellets and agricultural residues. As the world increasingly shifts towards renewable energy sources, understanding the energy yield from biomass is essential. The ash free basis allows researchers and producers to optimize the conversion processes of these materials into biofuels, ensuring maximum efficiency and sustainability.In addition to its applications in energy production, the ash free basis also plays a vital role in environmental assessments. When evaluating the environmental impact of burning fossil fuels or biomass, it is essential to consider the emissions produced by the ash components. By focusing on the ash free basis, scientists can better estimate the greenhouse gas emissions associated with specific fuels, leading to more accurate environmental impact assessments.Moreover, the ash free basis has implications in the field of food science and nutrition. When analyzing food products, particularly those derived from plant sources, the ash free basis can help determine the nutritional value of the food by excluding mineral content that may not contribute to caloric intake. This is particularly useful for formulating diets and understanding the health benefits of various foods, as it provides a clearer picture of their organic nutrient content.In conclusion, the term ash free basis is a crucial concept in various scientific fields, providing valuable insights into the composition and potential applications of organic materials. Whether in energy production, environmental science, or food analysis, understanding the ash free basis enables researchers and industry professionals to make informed decisions that can lead to improved efficiency, sustainability, and health outcomes. As the world continues to evolve and the demand for cleaner energy and healthier food options increases, the importance of the ash free basis will undoubtedly grow, making it an essential consideration in future research and development efforts.

在化学和材料科学领域，术语无灰基础通常用于描述一种量化物质组成的方法，该方法不包括燃烧后残留的任何无机残余物的重量。这个概念在分析有机材料时尤为重要，例如煤、生物质或各种类型的燃料。当我们提到无灰基础时，我们实际上关注的是样本的有机成分，这提供了对其真实能量潜力和化学性质的更清晰理解。在依赖燃料来源的行业中，衡量物质在无灰基础上的重要性不容小觑。例如，在煤炭行业，确定煤的能量含量对定价和效率评估至关重要。煤由碳、氢、硫和各种矿物组成，这些成分在燃烧过程中会形成灰分。通过在无灰基础上评估煤炭，公司可以确定可燃材料的数量，从而做出更明智的采矿、加工和销售决策。此外，无灰基础的测量不仅限于煤炭；它还扩展到其他形式的生物质，例如木颗粒和农业残余物。随着全球日益向可再生能源转型，了解生物质的能量产量至关重要。无灰基础使研究人员和生产者能够优化这些材料转化为生物燃料的过程，确保最大效率和可持续性。除了在能源生产中的应用外，无灰基础在环境评估中也发挥着重要作用。在评估燃烧化石燃料或生物质的环境影响时，考虑灰分成分所产生的排放是至关重要的。通过关注无灰基础，科学家可以更好地估算与特定燃料相关的温室气体排放，从而导致更准确的环境影响评估。此外，无灰基础在食品科学和营养领域也具有重要意义。在分析食品产品，特别是植物来源的食品时，无灰基础可以帮助确定食品的营养价值，排除可能不贡献于热量摄入的矿物质含量。这对于制定饮食和理解各种食品的健康益处尤其有用，因为它提供了对其有机营养成分的更清晰的认识。总之，术语无灰基础是各个科学领域中的一个关键概念，为有机材料的组成和潜在应用提供了宝贵的见解。无论是在能源生产、环境科学还是食品分析中，理解无灰基础使研究人员和行业专业人士能够做出明智的决策，从而提高效率、可持续性和健康结果。随着世界不断发展，对更清洁能源和更健康食品选择的需求增加，无灰基础的重要性无疑会增长，使其成为未来研究和开发工作中的一个重要考虑因素。