apparent density

简明释义

表观密度

英英释义

例句

1.The apparent density of the foam affects its insulation properties significantly.

泡沫的表观密度显著影响其绝缘性能。

2.To optimize the mixture, we adjusted the apparent density of the components used.

为了优化混合物，我们调整了所用成分的表观密度。

3.A lower apparent density can indicate a higher porosity in the material.

较低的表观密度可能表明材料的孔隙率较高。

4.The apparent density of the material is crucial for determining its suitability in construction projects.

材料的表观密度对于确定其在建筑项目中的适用性至关重要。

5.In the lab, we measured the apparent density of the powder to ensure it met the specifications.

在实验室，我们测量了粉末的表观密度以确保其符合规格。

作文

In the world of material science and engineering, understanding various properties of materials is crucial for their effective application. One such property that plays a significant role in determining the usability of materials is their apparent density. The term apparent density refers to the mass of a material divided by its volume, including both the solid and the void spaces within it. This measurement is essential because it provides insights into how materials will behave under different conditions, particularly in applications where weight and volume are critical factors.To illustrate the importance of apparent density, consider the field of construction. When selecting materials for building structures, engineers must take into account not only the strength and durability of the materials but also their weight. A material with a high apparent density might be strong but could also lead to increased costs in transportation and labor during construction. Conversely, materials with low apparent density may be lighter and easier to handle but could lack the necessary strength for certain applications. Therefore, finding the right balance between strength and weight is vital in the construction industry.Moreover, in the realm of packaging, apparent density plays a significant role in determining how much product can be effectively stored and transported. For example, in the food industry, manufacturers often seek to optimize the apparent density of their products to maximize shelf space while ensuring product integrity. A higher apparent density allows for more products to be packed into a given volume, which can lead to cost savings in shipping and storage.In addition to practical applications, the concept of apparent density is also important in scientific research. Researchers studying new materials or composites often measure the apparent density to evaluate their potential for various applications. For instance, in the development of lightweight materials for aerospace applications, understanding the apparent density helps scientists create materials that are not only strong but also reduce the overall weight of the aircraft, leading to improved fuel efficiency.Furthermore, apparent density can be influenced by several factors, including the size and shape of the particles that make up a material, as well as the presence of any additives or fillers. For example, in the production of concrete, the choice of aggregates can significantly affect the apparent density of the final product. By manipulating these variables, engineers and material scientists can tailor the apparent density to meet specific requirements for different applications.In conclusion, the concept of apparent density is fundamental in various fields, from construction to packaging and scientific research. It serves as a key indicator of how materials will perform in real-world applications. A thorough understanding of apparent density enables professionals to make informed decisions regarding material selection and usage, ultimately leading to more efficient and effective designs. As industries continue to evolve and innovate, the significance of apparent density will undoubtedly remain a critical factor in the advancement of material science and engineering practices.

在材料科学和工程领域，理解材料的各种特性对其有效应用至关重要。其中一个在确定材料可用性方面起着重要作用的特性是它们的表观密度。术语表观密度指的是材料的质量与其体积之比，包括其内部的固体和空隙。这一测量非常重要，因为它提供了材料在不同条件下行为的洞察，特别是在重量和体积是关键因素的应用中。为了说明表观密度的重要性，可以考虑建筑领域。选择建筑结构的材料时，工程师不仅必须考虑材料的强度和耐久性，还必须考虑其重量。具有高表观密度的材料可能很强，但也可能导致运输和施工过程中的成本增加。相反，低表观密度的材料可能更轻，更易于处理，但在某些应用中可能缺乏必要的强度。因此，在建筑行业中找到强度和重量之间的正确平衡至关重要。此外，在包装领域，表观密度在确定产品的有效存储和运输数量方面也发挥着重要作用。例如，在食品行业，制造商通常寻求优化其产品的表观密度以最大化货架空间，同时确保产品的完整性。较高的表观密度允许在给定体积内装入更多产品，这可以在运输和存储中节省成本。除了实际应用之外，表观密度的概念在科学研究中也很重要。研究新材料或复合材料的研究人员通常会测量表观密度以评估其在各种应用中的潜力。例如，在轻质航空材料的开发中，了解表观密度有助于科学家创造出不仅强大而且减轻整体重量的材料，从而提高燃油效率。此外，表观密度可能受到多种因素的影响，包括构成材料的颗粒的大小和形状，以及任何添加剂或填料的存在。例如，在混凝土生产中，骨料的选择可以显著影响最终产品的表观密度。通过操控这些变量，工程师和材料科学家可以根据不同应用的具体要求来调整表观密度。总之，表观密度的概念在各个领域都是基础，从建筑到包装再到科学研究。它作为材料在现实应用中表现的关键指标。对表观密度的透彻理解使专业人士能够在材料选择和使用方面做出明智的决定，最终导致更高效和有效的设计。随着各行业的不断发展和创新，表观密度的重要性无疑将继续成为材料科学和工程实践进步的关键因素。