apparent specific gravity

简明释义

表观比重

英英释义

例句

1.In the lab, we found that the apparent specific gravity of the solution changed when additional solute was added.

在实验室中，我们发现当添加额外的溶质时，溶液的表观比重发生了变化。

2.The apparent specific gravity of the mineral sample was tested to evaluate its purity.

矿物样本的表观比重被测试以评估其纯度。

3.During the experiment, we observed how temperature affected the apparent specific gravity of the fluid.

在实验过程中，我们观察到温度如何影响液体的表观比重。

4.The scientist measured the apparent specific gravity of the liquid to determine its density under various conditions.

科学家测量了液体的表观比重以确定其在不同条件下的密度。

5.Understanding the apparent specific gravity is crucial for accurate buoyancy calculations in engineering.

理解表观比重对于工程中的准确浮力计算至关重要。

作文

The concept of apparent specific gravity is essential in various fields such as engineering, fluid mechanics, and material science. It refers to the ratio of the density of a substance to the density of a reference substance, typically water, under specific conditions. This measurement is particularly significant when dealing with substances that are not homogeneous or when they contain air pockets or other inclusions that affect their overall density. Understanding apparent specific gravity can provide insights into the behavior of materials when they are immersed in fluids, which is crucial for applications like buoyancy calculations and material selection for construction projects.In practical terms, apparent specific gravity can be determined by measuring the weight of a substance in air and then in a fluid, usually water. The formula used to calculate this value involves the weight of the substance in air divided by the difference in weight when submerged in the fluid. This calculation helps to account for any buoyant forces acting on the material, leading to a more accurate representation of its density in a given environment.For instance, consider a scenario in civil engineering where a contractor needs to assess the suitability of a type of aggregate for concrete production. By measuring the apparent specific gravity of different aggregates, engineers can determine which materials will yield the strongest and most durable concrete. This is crucial because the strength of concrete is heavily influenced by the characteristics of the aggregates used, including their density and composition.Moreover, the apparent specific gravity can also play a vital role in environmental science, particularly in understanding sedimentation processes in bodies of water. When analyzing sediment samples, researchers can use this measurement to infer the types of materials present and their potential impact on the aquatic ecosystem. For example, sediments with a higher apparent specific gravity may settle more quickly, affecting the distribution of nutrients and habitats for aquatic life.In addition, the concept of apparent specific gravity extends to the food industry, where it can be applied to determine the quality of various products. For example, the density of oils and fats can be measured to assess their purity and quality. A higher apparent specific gravity may indicate the presence of impurities or adulterants, which is critical information for manufacturers and consumers alike.In conclusion, the term apparent specific gravity encapsulates a fundamental principle that bridges various scientific disciplines. Its application in engineering, environmental science, and food quality assessment highlights its importance in understanding material properties and behaviors. By mastering this concept, professionals across these fields can make informed decisions that lead to better outcomes in their respective projects and research endeavors. Therefore, grasping the significance of apparent specific gravity is not only beneficial but essential for anyone working with materials and fluids in a scientific or engineering context.

“表观比重”的概念在工程、流体力学和材料科学等多个领域中至关重要。它指的是某种物质的密度与参考物质（通常是水）在特定条件下的密度之比。当处理不均匀的物质或含有空气袋或其他包裹物的物质时，这一测量尤其重要。理解“表观比重”可以提供材料在浸入流体时行为的洞察，这对于浮力计算和建筑项目的材料选择等应用至关重要。在实际操作中，“表观比重”可以通过测量物质在空气中的重量以及在流体（通常是水）中的重量来确定。计算该值的公式涉及物质在空气中的重量除以在流体中浸没时的重量差。这一计算有助于考虑施加在材料上的任何浮力，从而更准确地表示其在给定环境中的密度。例如，考虑一个土木工程中的场景，承包商需要评估某种骨料在混凝土生产中的适用性。通过测量不同骨料的“表观比重”，工程师可以确定哪些材料将产生最强和最耐用的混凝土。这一点至关重要，因为混凝土的强度在很大程度上受到所用骨料的特性影响，包括其密度和成分。此外，“表观比重”在环境科学中也发挥着重要作用，特别是在理解水体沉积过程方面。当分析沉积样本时，研究人员可以使用这一测量来推断存在的材料类型及其对水生生态系统的潜在影响。例如，具有较高“表观比重”的沉积物可能会更快沉降，从而影响营养物质和水生生物栖息地的分布。此外，“表观比重”的概念还扩展到食品工业，可以用来确定各种产品的质量。例如，可以测量油脂的密度以评估其纯度和质量。较高的“表观比重”可能表明存在杂质或掺假，这是制造商和消费者都需要的重要信息。总之，术语“表观比重”概括了一个基本原则，该原则跨越多个科学学科。它在工程、环境科学和食品质量评估中的应用突显了它在理解材料特性和行为中的重要性。通过掌握这一概念，各个领域的专业人士可以做出明智的决策，从而在各自的项目和研究工作中取得更好的结果。因此，理解“表观比重”的重要性不仅是有益的，而且对于任何与材料和流体相关的科学或工程背景的工作者来说都是必不可少的。