granulometric composition

简明释义

粒度组成

英英释义

例句

1.The geologist analyzed the granulometric composition of the rock samples to identify their origins.

地质学家分析了岩石样本的颗粒组成以识别它们的来源。

2.Understanding the granulometric composition of sediments can help in predicting erosion patterns.

了解沉积物的颗粒组成可以帮助预测侵蚀模式。

3.The study focused on the granulometric composition of the soil to determine its suitability for agriculture.

这项研究集中在土壤的颗粒组成上，以确定其适合农业的程度。

4.In concrete production, the granulometric composition of aggregates is crucial for achieving desired strength.

在混凝土生产中，骨料的颗粒组成对达到所需强度至关重要。

5.The granulometric composition of sand affects its use in construction projects.

沙子的颗粒组成影响其在建筑项目中的使用。

作文

Understanding the concept of granulometric composition is crucial in various fields, including geology, civil engineering, and environmental science. This term refers to the distribution of different grain sizes within a particular material, such as soil, sediment, or aggregates used in construction. The granulometric composition plays a significant role in determining the physical and mechanical properties of these materials, which in turn influences their behavior under different conditions.For instance, in geology, the granulometric composition of sediment can provide insights into the transport and deposition processes that shaped a particular landscape. Coarser grains typically indicate higher energy environments where strong currents are present, while finer grains suggest quieter settings. By analyzing the granulometric composition, geologists can reconstruct past environments and understand how they have evolved over time.In civil engineering, the granulometric composition of aggregates is vital for ensuring the strength and durability of concrete. Different projects require specific types of aggregates, and understanding their granulometric composition helps engineers choose the right materials. For example, a well-graded aggregate with a good mix of different sizes will create a denser, stronger concrete compared to poorly graded aggregates. This knowledge allows engineers to optimize concrete mixes for various applications, from buildings to bridges.Moreover, in environmental science, the granulometric composition of soils affects water retention, drainage, and nutrient availability, which are essential factors for agriculture and ecosystem health. Soils with a high proportion of sand may drain quickly but hold less water, while clay-rich soils retain moisture but can become compacted. Understanding the granulometric composition of soils helps farmers and land managers make informed decisions about irrigation practices and crop selection.To analyze the granulometric composition, scientists often use techniques such as sieve analysis or laser diffraction. Sieve analysis involves passing a sample through a series of sieves with different mesh sizes to separate the particles based on their size. The results are then plotted on a graph to visualize the distribution of grain sizes. Laser diffraction, on the other hand, uses laser light to measure particle size distribution more rapidly and accurately.In conclusion, the granulometric composition is a fundamental concept that has wide-ranging implications across various disciplines. Whether it is used to interpret geological history, design robust engineering materials, or manage agricultural practices, understanding this term is essential for professionals working in these fields. As we continue to study and manipulate materials in our environment, a thorough grasp of granulometric composition will remain a key factor in achieving success and sustainability in our endeavors.

理解颗粒组成的概念在地质学、土木工程和环境科学等多个领域中至关重要。这个术语指的是特定材料（如土壤、沉积物或用于建筑的骨料）中不同粒径的分布。颗粒组成在确定这些材料的物理和机械特性方面发挥着重要作用，这反过来又影响它们在不同条件下的行为。例如，在地质学中，沉积物的颗粒组成可以提供关于塑造特定景观的运输和沉积过程的见解。较粗的颗粒通常表明存在较强的水流环境，而较细的颗粒则暗示较安静的环境。通过分析颗粒组成，地质学家可以重建过去的环境，并了解它们如何随着时间演变。在土木工程中，骨料的颗粒组成对确保混凝土的强度和耐久性至关重要。不同的项目需要特定类型的骨料，而理解它们的颗粒组成可以帮助工程师选择合适的材料。例如，具有良好级配的骨料，其不同粒径的混合将比级配不良的骨料产生更致密、更强的混凝土。这一知识使工程师能够优化各种应用（从建筑到桥梁）的混凝土配方。此外，在环境科学中，土壤的颗粒组成会影响水分保持、排水和养分可用性，这些都是农业和生态系统健康的重要因素。富含沙子的土壤可能排水迅速，但水分保持较少，而富含粘土的土壤则能保持水分，但可能变得紧实。理解土壤的颗粒组成可以帮助农民和土地管理者就灌溉实践和作物选择做出明智的决定。为了分析颗粒组成，科学家通常使用筛分分析或激光衍射等技术。筛分分析涉及将样本通过一系列不同网孔尺寸的筛子，以根据粒径分离颗粒。然后将结果绘制在图表上以可视化粒径的分布。另一方面，激光衍射利用激光光线更快速、准确地测量粒径分布。总之，颗粒组成是一个基础概念，在各个学科中具有广泛的影响。无论是用于解释地质历史、设计坚固的工程材料，还是管理农业实践，理解这个术语对于在这些领域工作的专业人士来说都是必不可少的。随着我们继续研究和操控环境中的材料，对颗粒组成的透彻掌握将始终是我们取得成功和可持续发展的关键因素。