apparent density

简明释义

表观密度

英英释义

例句

1.The apparent density of the granules was higher than expected, indicating a potential issue in production.

颗粒的表观密度高于预期，表明生产中可能存在问题。

2.The apparent density of the material was measured to determine its suitability for construction.

该材料的表观密度被测量以确定其在建筑中的适用性。

3.To improve insulation, we need to reduce the apparent density of the foam material.

为了提高绝缘性能，我们需要降低泡沫材料的表观密度。

4.In the laboratory, we calculated the apparent density of the powder to optimize the formulation.

在实验室中，我们计算了该粉末的表观密度以优化配方。

5.The apparent density of the soil affects its compaction and load-bearing capacity.

土壤的表观密度会影响其压实性和承载能力。

作文

Understanding the concept of apparent density is crucial in various scientific and engineering fields. Apparent density, which refers to the mass of a substance divided by its volume, includes the volume of the pores and voids within the material. This property is particularly important when dealing with materials that are not homogeneous. For instance, in the field of materials science, knowing the apparent density helps in determining how a material will behave under different conditions, such as pressure and temperature. In many applications, such as construction and manufacturing, the apparent density of a material can significantly affect its performance. For example, lightweight aggregates used in concrete can lower the overall weight of a structure while maintaining sufficient strength. Engineers must carefully consider the apparent density of these materials to ensure they meet specific structural requirements. Moreover, in the pharmaceutical industry, the apparent density of powders can influence the formulation of drugs. A higher apparent density may lead to better flow properties and packing efficiency, which are essential for the production of tablets and capsules. Understanding how to manipulate the apparent density through various processing techniques allows manufacturers to optimize their products for efficacy and safety. The significance of apparent density extends to environmental science as well. When assessing soil quality, for instance, scientists often measure the apparent density of soil samples to evaluate their porosity and compaction. This information is vital for understanding water retention, root penetration, and overall soil health. In summary, apparent density is a fundamental property that affects the behavior and application of materials across various disciplines. Whether it is in construction, pharmaceuticals, or environmental science, recognizing the importance of apparent density enables professionals to make informed decisions that enhance performance and sustainability. As we continue to innovate and develop new materials, the ability to accurately measure and manipulate apparent density will remain a key factor in achieving success in these fields.

理解表观密度的概念在各个科学和工程领域中至关重要。表观密度指的是物质的质量除以其体积，包括材料内部孔隙和空隙的体积。这一特性在处理不均匀材料时尤为重要。例如，在材料科学领域，了解表观密度有助于确定材料在不同条件下（如压力和温度）如何表现。在许多应用中，例如建筑和制造，材料的表观密度会显著影响其性能。例如，轻质骨料在混凝土中使用可以降低结构的整体重量，同时保持足够的强度。工程师必须仔细考虑这些材料的表观密度，以确保它们符合特定的结构要求。此外，在制药行业，粉末的表观密度可能会影响药物的配方。较高的表观密度可能导致更好的流动性和包装效率，这对于片剂和胶囊的生产至关重要。了解如何通过各种加工技术操控表观密度使制造商能够优化其产品的有效性和安全性。表观密度的重要性还扩展到环境科学。当评估土壤质量时，科学家们经常测量土壤样本的表观密度以评估其孔隙率和压实程度。这些信息对于理解水分保持、根系穿透和整体土壤健康至关重要。总之，表观密度是一个基本属性，影响着各学科材料的行为和应用。无论是在建筑、制药还是环境科学领域，认识到表观密度的重要性使专业人士能够做出明智的决策，从而提高性能和可持续性。随着我们不断创新和开发新材料，准确测量和操控表观密度的能力将继续成为这些领域成功的关键因素。