grain fineness number

简明释义

晶粒度

英英释义

例句

1.The laboratory tests showed that the grain fineness number of the soil was suitable for agricultural use.

实验室测试显示，土壤的细颗粒度数适合农业使用。

2.A higher grain fineness number indicates finer particles, which can affect the strength of concrete.

更高的细颗粒度数表示颗粒更细，这会影响混凝土的强度。

3.In ceramics, the grain fineness number is crucial for achieving a smooth finish.

在陶瓷中，细颗粒度数对于获得光滑的表面至关重要。

4.Different materials require different grain fineness numbers for optimal performance.

不同材料需要不同的细颗粒度数以达到最佳性能。

5.The engineer measured the grain fineness number to determine the quality of the sand used in the construction.

工程师测量了细颗粒度数以确定用于建筑的沙子的质量。

作文

The concept of grain fineness number is crucial in various fields, particularly in materials science and engineering. This term refers to a numerical value that quantifies the fineness or coarseness of a granular material, such as sand, soil, or powdered substances. Understanding the grain fineness number is essential for engineers and scientists because it influences the material's behavior, strength, and suitability for specific applications.In construction, for example, the grain fineness number of aggregates used in concrete can significantly affect the final product's durability and workability. A higher grain fineness number indicates finer particles, which can lead to a denser concrete mix, while a lower number suggests coarser aggregates that may provide better drainage but weaker structural integrity. Therefore, selecting the appropriate grain fineness number is vital for achieving the desired properties in construction materials.Moreover, in the field of geotechnical engineering, the grain fineness number plays a critical role in soil classification and analysis. Soil with varying grain fineness numbers exhibits different drainage characteristics, compaction behaviors, and load-bearing capacities. Engineers often conduct tests to determine the grain fineness number of soil samples to predict how they will behave under load and environmental conditions. This information is invaluable when designing foundations, retaining walls, and other structures that rely on the soil's stability.In the realm of pharmaceuticals, the grain fineness number is equally important. The efficacy of powdered medications can be influenced by the particle size distribution, which is represented by the grain fineness number. Finer powders may dissolve more quickly in the body, leading to faster therapeutic effects. Therefore, pharmaceutical companies must carefully control the grain fineness number during the manufacturing process to ensure consistent quality and performance of their products.Additionally, the grain fineness number is relevant in the food industry, particularly in the milling of grains. The texture of flour, for instance, is directly related to its grain fineness number. Different baking recipes require specific flour textures, which are determined by the grain fineness number. Bakers need to understand how the grain fineness number affects hydration, gluten development, and ultimately, the quality of the baked goods.In conclusion, the grain fineness number is a fundamental parameter that impacts various industries including construction, geotechnical engineering, pharmaceuticals, and food production. By understanding and controlling the grain fineness number, professionals in these fields can optimize material properties and ensure the successful performance of their products. As technology advances and new materials are developed, the importance of accurately measuring and applying the grain fineness number will only continue to grow, highlighting its significance in modern science and engineering practices.

“粒度细度数”这一概念在各个领域中都是至关重要的，特别是在材料科学和工程学中。这个术语指的是一个数值，用于量化颗粒材料（如沙子、土壤或粉末物质）的细度或粗糙度。理解“粒度细度数”对工程师和科学家来说是非常重要的，因为它会影响材料的行为、强度以及适用于特定应用的适宜性。例如，在建筑中，混凝土中使用的骨料的“粒度细度数”可以显著影响最终产品的耐久性和可加工性。较高的“粒度细度数”表示更细的颗粒，这可能导致混凝土混合物更密实，而较低的数字则表明更粗的骨料，可能提供更好的排水但结构完整性较弱。因此，选择合适的“粒度细度数”对于实现建筑材料所需的特性至关重要。此外，在岩土工程领域，“粒度细度数”在土壤分类和分析中起着关键作用。具有不同“粒度细度数”的土壤表现出不同的排水特性、压实行为和承载能力。工程师通常会进行测试以确定土壤样品的“粒度细度数”，以预测它们在负荷和环境条件下的表现。这些信息在设计基础、挡土墙和其他依赖土壤稳定性的结构时是非常宝贵的。在制药领域，“粒度细度数”同样重要。粉末药物的有效性可能受到颗粒大小分布的影响，而这一点由“粒度细度数”表示。更细的粉末可能在体内更快溶解，从而导致更快的治疗效果。因此，制药公司必须在生产过程中仔细控制“粒度细度数”，以确保其产品的一致质量和性能。此外，“粒度细度数”在食品工业中也相关，特别是在谷物的磨制过程中。例如，面粉的质地与其“粒度细度数”直接相关。不同的烘焙配方需要特定的面粉质地，而这些质地由“粒度细度数”决定。面包师需要了解“粒度细度数”如何影响水合作用、面筋发展，以及最终的烘焙食品的质量。总之，“粒度细度数”是一个基本参数，影响着建筑、岩土工程、制药和食品生产等多个行业。通过理解和控制“粒度细度数”，这些领域的专业人员可以优化材料特性，并确保其产品的成功性能。随着技术的进步和新材料的开发，准确测量和应用“粒度细度数”的重要性只会不断增长，突显了其在现代科学和工程实践中的重要性。