specific weight

简明释义

比重

英英释义

例句

1.The specific weight 比重 of concrete is typically around 24 kN/m³.

混凝土的specific weight 比重通常约为24 kN/m³。

2.In fluid mechanics, the specific weight 比重 of a liquid is crucial for determining buoyancy.

在流体力学中，液体的specific weight 比重对于确定浮力至关重要。

3.The engineer calculated the specific weight 比重 of the material to ensure it would support the structure.

工程师计算了该材料的specific weight 比重以确保其能够支撑结构。

4.The specific weight 比重 of water is approximately 9.81 kN/m³ at sea level.

水的specific weight 比重在海平面上大约为9.81 kN/m³。

5.To calculate the volume of the object, we need to know its specific weight 比重.

为了计算物体的体积，我们需要知道它的specific weight 比重。

作文

Understanding the concept of specific weight is crucial in various fields, including physics, engineering, and environmental science. The term specific weight refers to the weight of a substance per unit volume. It is an important property that helps in determining how heavy a material is for a given volume, which can influence decisions in design and material selection. For instance, when constructing a building, engineers must consider the specific weight of materials such as steel, concrete, and wood. A material with a high specific weight might require more robust structural support compared to one with a lower specific weight. In practical applications, the specific weight can be calculated using the formula: Specific Weight = Weight / Volume This formula highlights the relationship between weight and volume, emphasizing that understanding specific weight is vital for ensuring safety and efficiency in construction projects. Moreover, the specific weight plays a significant role in fluid mechanics. In this field, the specific weight of liquids and gases affects buoyancy and stability. For example, when a ship is designed, naval architects must account for the specific weight of water and the materials used in the ship's construction. If the specific weight of the materials is too high, the ship may sink; conversely, if it is too low, the ship may not be able to carry the intended cargo. Another area where specific weight is critical is in the study of soil mechanics. Engineers assessing the specific weight of soil can determine its load-bearing capacity. This information is crucial when designing foundations for buildings, bridges, and roads. If the specific weight of the soil is underestimated, it may lead to structural failures, resulting in significant financial losses and safety hazards. Furthermore, the specific weight can also influence environmental studies. For instance, when analyzing pollutants in water bodies, scientists measure the specific weight of contaminants to understand their behavior and potential impact on aquatic ecosystems. A pollutant with a higher specific weight than water will sink, while one with a lower specific weight may float, affecting how it spreads and interacts with the environment. In conclusion, the concept of specific weight is fundamental across various scientific and engineering disciplines. Understanding how to calculate and apply specific weight allows professionals to make informed decisions that ensure safety, efficiency, and sustainability. As technology advances, the importance of accurately measuring and applying specific weight will only increase, highlighting the need for ongoing education and research in this area. By mastering the principles surrounding specific weight, individuals can contribute to safer structures, cleaner environments, and more efficient designs in their respective fields.

理解比重的概念在物理学、工程学和环境科学等多个领域至关重要。术语比重指的是单位体积内物质的重量。这是一个重要的属性，有助于确定给定体积材料的重量，这可能会影响设计和材料选择中的决策。例如，在建造建筑时，工程师必须考虑诸如钢材、混凝土和木材等材料的比重。具有较高比重的材料可能需要比具有较低比重的材料更强的结构支撑。在实际应用中，可以使用以下公式计算比重：比重 = 重量 / 体积这个公式突显了重量与体积之间的关系，强调了理解比重对确保建筑项目的安全性和效率的重要性。此外，比重在流体力学中也起着重要作用。在这个领域，液体和气体的比重会影响浮力和稳定性。例如，在设计船只时，海军建筑师必须考虑水的比重和船只建造所用材料的比重。如果材料的比重过高，船可能会下沉；相反，如果比重过低，船可能无法承载预期的货物。比重在土壤力学研究中也是关键因素。评估土壤的比重可以确定其承载能力。这些信息在设计建筑、桥梁和道路的基础时至关重要。如果低估了土壤的比重，可能导致结构失效，从而造成重大财务损失和安全隐患。此外，比重还可能影响环境研究。例如，在分析水体中的污染物时，科学家测量污染物的比重以了解其行为及对水生生态系统的潜在影响。比水的比重高的污染物会沉入水底，而比水的比重低的污染物可能会浮起，影响其扩散和与环境的相互作用。总之，比重的概念在各个科学和工程学科中都是基础。理解如何计算和应用比重使专业人员能够做出明智的决策，以确保安全、效率和可持续性。随着技术的进步，准确测量和应用比重的重要性只会增加，突显了在这一领域持续教育和研究的必要性。通过掌握有关比重的原则，个人可以为各自领域的安全结构、更清洁的环境和更高效的设计做出贡献。