particle size

简明释义

粒径

英英释义

例句

1.The particle size 颗粒大小 in a suspension can affect its stability.

悬浮液中的颗粒大小 会影响其稳定性。

2.In pharmaceuticals, the particle size 颗粒大小 of the drug can influence its absorption rate.

在制药行业，药物的颗粒大小 可以影响其吸收速率。

3.Soil particle size 颗粒大小 determines its fertility and drainage capabilities.

土壤的颗粒大小 决定了其肥力和排水能力。

4.The particle size 颗粒大小 of the sand affects its drainage properties.

沙子的颗粒大小 影响其排水特性。

5.The particle size 颗粒大小 of the paint affects its finish and coverage.

涂料的颗粒大小 影响其光泽和覆盖率。

作文

In the field of science and engineering, one important concept that often arises is particle size. This term refers to the diameter or dimension of individual particles in a given material. Understanding particle size is crucial because it can significantly influence the properties and behavior of materials in various applications. For example, in pharmaceuticals, the particle size of active ingredients can affect how quickly they dissolve in the body, thus impacting their efficacy. Smaller particles tend to have a larger surface area, which can enhance their solubility and absorption rates. Similarly, in the field of materials science, the particle size can determine the strength and durability of composite materials. For instance, when creating concrete, the particle size of the aggregates used can influence the overall strength of the final product. Finer aggregates may lead to a denser concrete mix, resulting in stronger structures. In environmental science, particle size plays a vital role in air quality and pollution control. Fine particulate matter (PM2.5), for example, can penetrate deep into the lungs and cause serious health issues. Therefore, monitoring and controlling particle size in emissions is essential for public health and safety. Moreover, in the food industry, particle size can impact texture and flavor release. For instance, the grinding process of spices or grains alters their particle size, which can enhance the aroma and taste of food products. A finer particle size often leads to a more uniform distribution of flavors, making the food more palatable. In conclusion, the concept of particle size is integral across various disciplines, influencing everything from health and safety to product quality and performance. Understanding how to measure, control, and manipulate particle size can lead to advancements in technology and improvements in everyday products. As research continues to evolve, the importance of particle size will only grow, highlighting its significance in both scientific inquiry and practical application.

在科学和工程领域，一个重要的概念经常出现，那就是粒子大小。这个术语指的是给定材料中单个粒子的直径或尺寸。理解粒子大小至关重要，因为它可以显著影响材料在各种应用中的性质和行为。例如，在制药行业，活性成分的粒子大小可以影响它们在体内溶解的速度，从而影响其有效性。较小的粒子往往具有更大的表面积，这可以增强它们的溶解度和吸收率。同样，在材料科学领域，粒子大小可以决定复合材料的强度和耐用性。例如，在制作混凝土时，所使用骨料的粒子大小可以影响最终产品的整体强度。较细的骨料可能导致更密实的混凝土配合，进而产生更强的结构。在环境科学中，粒子大小在空气质量和污染控制中发挥着重要作用。例如，细颗粒物（PM2.5）可以深入肺部并引发严重的健康问题。因此，监测和控制排放中的粒子大小对公众健康和安全至关重要。此外，在食品工业中，粒子大小可以影响质地和风味释放。例如，香料或谷物的研磨过程会改变它们的粒子大小，这可以增强食品产品的香气和口味。较细的粒子大小往往导致风味的更均匀分布，使食品更加可口。总之，粒子大小的概念在各个学科中都是不可或缺的，影响从健康和安全到产品质量和性能的一切。理解如何测量、控制和操纵粒子大小可以推动技术进步和日常产品的改进。随着研究的不断发展，粒子大小的重要性只会增加，突显其在科学研究和实际应用中的意义。