bulk density

简明释义

体积密度

英英释义

例句

1.The bulk density of a powder can influence its flow characteristics during processing.

粉末的体积密度会影响其在加工过程中的流动特性。

2.Farmers need to monitor the bulk density of their fields to optimize crop yields.

农民需要监测他们田地的体积密度以优化作物产量。

3.The soil's bulk density is crucial for determining its porosity and ability to retain water.

土壤的体积密度对于确定其孔隙度和保水能力至关重要。

4.In construction, knowing the bulk density of materials helps in calculating load-bearing capacities.

在建筑中，了解材料的体积密度有助于计算承载能力。

5.The bulk density of the gravel affects how much can be used in a concrete mix.

砾石的体积密度影响混凝土配方中可以使用的数量。

作文

Understanding the concept of bulk density is crucial in various fields, including agriculture, construction, and environmental science. Bulk density refers to the mass of a material per unit volume, including the space between particles. It is typically expressed in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³). This measurement provides valuable insights into the physical properties of materials, influencing their behavior in different applications.In agriculture, bulk density plays a vital role in soil management. Soil with high bulk density can indicate compaction, which restricts root growth and reduces water infiltration. Compacted soils often lead to poor crop yields because they limit the availability of nutrients and moisture to plants. Farmers can improve soil health by reducing bulk density through practices such as crop rotation, cover cropping, and reduced tillage. These methods help to enhance soil structure, increase organic matter content, and promote a healthy ecosystem for beneficial microorganisms.In the construction industry, understanding bulk density is essential for selecting appropriate materials for building projects. The bulk density of concrete, for example, affects its strength, durability, and thermal properties. Engineers must consider bulk density when designing structures to ensure they can withstand the loads and stresses they will encounter over time. Additionally, lightweight aggregates with lower bulk density can be used to reduce the overall weight of concrete, making it suitable for specific applications where minimizing weight is critical.Environmental scientists also utilize bulk density measurements to assess soil contamination and remediation efforts. By comparing the bulk density of contaminated soils to that of clean soils, scientists can gauge the extent of contamination and the effectiveness of cleanup strategies. Changes in bulk density can indicate shifts in soil composition due to pollution or restoration efforts, providing essential data for environmental assessments.Moreover, bulk density is a key factor in determining the storage and handling of bulk materials, such as grains, chemicals, and minerals. Industries that deal with bulk materials need to understand how bulk density affects loading, transportation, and storage requirements. For instance, higher bulk density materials may require different handling equipment compared to lighter materials, impacting operational efficiency and safety.In conclusion, the significance of bulk density spans multiple disciplines, highlighting its importance in practical applications. Whether in agriculture, construction, or environmental science, understanding bulk density enables professionals to make informed decisions that enhance productivity, sustainability, and safety. As we continue to explore and innovate in these areas, the role of bulk density will remain a fundamental aspect of material science and engineering, guiding us toward better practices and outcomes.

理解散装密度的概念在农业、建筑和环境科学等多个领域至关重要。散装密度是指材料每单位体积的质量，包括颗粒之间的空间。它通常以克每立方厘米（g/cm³）或千克每立方米（kg/m³）表示。这一测量提供了对材料物理特性的有价值的见解，影响其在不同应用中的行为。在农业中，散装密度在土壤管理中起着重要作用。高散装密度的土壤可能表明土壤压实，这会限制根系生长并减少水分渗透。压实的土壤常常导致作物产量下降，因为它们限制了植物对养分和水分的可用性。农民可以通过轮作、覆盖作物和减少耕作等措施来改善土壤健康，从而降低散装密度。这些方法有助于增强土壤结构、增加有机物含量，并促进有益微生物的健康生态系统。在建筑行业，了解散装密度对于选择适合建筑项目的材料至关重要。例如，混凝土的散装密度影响其强度、耐久性和热性能。工程师在设计结构时必须考虑散装密度，以确保它们能够承受随时间变化的负荷和压力。此外，具有较低散装密度的轻质骨料可以用于减少混凝土的整体重量，使其适用于某些需要最小化重量的特定应用。环境科学家还利用散装密度测量来评估土壤污染和修复工作。通过将受污染土壤的散装密度与清洁土壤的散装密度进行比较，科学家可以评估污染的程度和清理策略的有效性。散装密度的变化可以表明由于污染或恢复工作而导致的土壤成分变化，为环境评估提供重要数据。此外，散装密度是确定大宗材料（如谷物、化学品和矿物）存储和处理的关键因素。处理大宗材料的行业需要了解散装密度如何影响装载、运输和存储要求。例如，较高的散装密度材料可能需要与较轻材料不同的处理设备，从而影响操作效率和安全性。总之，散装密度的重要性跨越多个学科，突显了其在实际应用中的重要性。无论是在农业、建筑还是环境科学中，理解散装密度使专业人员能够做出明智的决策，从而提高生产力、可持续性和安全性。随着我们继续在这些领域探索和创新，散装密度的角色将始终是材料科学和工程的基本方面，引导我们朝着更好的实践和结果迈进。