granulometric composition

简明释义

颗粒组成

英英释义

例句

1.In construction projects, understanding the granulometric composition of gravel is crucial for ensuring structural integrity.

在建筑项目中，了解碎石的颗粒组成对确保结构完整性至关重要。

2.The granulometric composition of sediment can indicate the history of geological processes in the area.

沉积物的颗粒组成可以指示该地区地质过程的历史。

3.Researchers analyzed the granulometric composition of river sediments to assess pollution levels.

研究人员分析了河流沉积物的颗粒组成以评估污染水平。

4.The granulometric composition of the sand used in the project was tested to meet industry standards.

用于该项目的沙子的颗粒组成经过测试以符合行业标准。

5.The study focused on the granulometric composition of soil samples to determine their suitability for agriculture.

该研究重点分析了土壤样本的颗粒组成，以确定其适合农业的程度。

作文

The study of soil and sediment is crucial for various fields, including agriculture, geology, and environmental science. One key aspect of this study is understanding the granulometric composition, which refers to the distribution of different grain sizes within a given sample. This concept is vital because the size of soil particles can significantly influence the physical and chemical properties of the soil, affecting everything from water retention to nutrient availability.To begin with, the granulometric composition helps in classifying soils into different types. For instance, sandy soils have larger particles, which result in good drainage but low nutrient retention. In contrast, clay soils consist of much smaller particles, leading to high nutrient retention but poor drainage. By analyzing the granulometric composition of a soil sample, scientists can determine its type and predict its behavior under various conditions.Moreover, the granulometric composition plays a significant role in agricultural practices. Farmers need to understand the soil they are working with to choose the right crops and cultivation methods. For example, if a farmer knows that their land has a high proportion of sand, they might select drought-resistant crops that can thrive in well-drained conditions. On the other hand, if the soil has a high clay content, the farmer may need to implement strategies to improve drainage and aeration to prevent root rot.In addition to agriculture, the granulometric composition is essential in construction and civil engineering. The stability of structures like buildings and roads often depends on the characteristics of the soil or sediment used as a foundation. Engineers must assess the granulometric composition to ensure that the ground can support the weight of the structure without risk of settling or collapse. For example, a mixture of gravel and sand may provide better stability than a fine clay soil, which could lead to instability over time.Environmental scientists also rely on the granulometric composition when assessing contamination in soils and sediments. Different pollutants interact differently with soil particles based on their size and surface area. By understanding the granulometric composition, scientists can develop better remediation strategies to clean up contaminated sites effectively. For instance, finer particles may hold onto certain pollutants more tightly, requiring different techniques for removal compared to coarser materials.In conclusion, the granulometric composition of soil and sediment is a fundamental concept that influences various aspects of our environment and daily life. From agriculture to construction and environmental remediation, understanding the distribution of grain sizes is essential for making informed decisions. As we continue to study and analyze soils, the importance of granulometric composition will only grow, highlighting the need for ongoing research and education in this critical area of science.

土壤和沉积物的研究对于农业、地质学和环境科学等多个领域至关重要。其中一个关键方面是理解颗粒组成，即在给定样本中不同粒径的分布。这个概念非常重要，因为土壤颗粒的大小会显著影响土壤的物理和化学性质，从而影响水分保持能力和养分可用性等各个方面。首先，颗粒组成有助于将土壤分类为不同类型。例如，沙土具有较大的颗粒，这导致良好的排水但低的养分保持能力。相比之下，粘土由更小的颗粒组成，导致高养分保持但排水差。通过分析土壤样本的颗粒组成，科学家可以确定其类型并预测其在各种条件下的行为。此外，颗粒组成在农业实践中也起着重要作用。农民需要了解他们所耕作的土壤，以选择合适的作物和耕作方法。例如，如果农民知道他们的土地含有高比例的沙子，他们可能会选择耐旱的作物，以便在良好排水的条件下生长。另一方面，如果土壤含有高粘土含量，农民可能需要实施改善排水和通气的策略，以防止根腐病。除了农业，颗粒组成在建筑和土木工程中也至关重要。建筑物和道路等结构的稳定性通常取决于用作基础的土壤或沉积物的特性。工程师必须评估颗粒组成，以确保地面能够支持结构的重量，而不会出现沉降或坍塌的风险。例如，砂石混合物可能比细粘土提供更好的稳定性，后者随着时间的推移可能导致不稳定。环境科学家在评估土壤和沉积物中的污染时也依赖于颗粒组成。不同的污染物根据其大小和表面积与土壤颗粒的相互作用不同。通过理解颗粒组成，科学家可以制定更好的修复策略，以有效清理受污染的场地。例如，更细的颗粒可能更紧密地吸附某些污染物，因此需要与粗颗粒材料不同的去除技术。总之，土壤和沉积物的颗粒组成是一个基本概念，影响着我们环境和日常生活的各个方面。从农业到建筑和环境修复，理解粒径分布对于做出明智的决策至关重要。随着我们继续研究和分析土壤，颗粒组成的重要性只会增加，突显了在这一关键科学领域持续研究和教育的必要性。