average particle diameter

简明释义

平均粒子直径

英英释义

例句

1.The average particle diameter 平均颗粒直径 affects the solubility of the drug in pharmaceutical formulations.

在制药配方中，平均颗粒直径 average particle diameter影响药物的溶解度。

2.The manufacturer reported that the average particle diameter 平均颗粒直径 of the new powder is significantly smaller than the previous batch.

制造商报告称，新粉末的平均颗粒直径 average particle diameter明显小于之前的批次。

3.To improve product consistency, we need to control the average particle diameter 平均颗粒直径 during production.

为了提高产品的一致性，我们需要在生产过程中控制平均颗粒直径 average particle diameter。

4.In the study, the researchers measured the average particle diameter 平均颗粒直径 of the nanoparticles using electron microscopy.

在研究中，研究人员使用电子显微镜测量了纳米颗粒的平均颗粒直径 average particle diameter。

5.The average particle diameter 平均颗粒直径 can influence the flow properties of powders in bulk handling.

在大宗处理过程中，平均颗粒直径 average particle diameter会影响粉末的流动性能。

作文

In the field of material science and engineering, the term average particle diameter refers to the mean size of particles in a given sample. This measurement is crucial for understanding the properties and behaviors of various materials, particularly in applications such as pharmaceuticals, food production, and nanotechnology. The average particle diameter can significantly influence how a substance interacts with its environment, including its solubility, reactivity, and even its bioavailability in biological systems.To calculate the average particle diameter, researchers often use techniques such as laser diffraction, dynamic light scattering, or electron microscopy. Each method has its advantages and limitations, but they all aim to provide an accurate representation of the particle size distribution within a sample. For instance, in pharmaceutical applications, the average particle diameter of active ingredients can determine the drug's effectiveness and how quickly it is absorbed by the body. Smaller particles tend to have a larger surface area, which can enhance their dissolution rates and improve bioavailability.In the context of food production, the average particle diameter plays a vital role in determining the texture and mouthfeel of products. For example, in the manufacture of powdered foods or spices, the average particle diameter can affect how well the product mixes with other ingredients and how it behaves during cooking. A finer powder might dissolve more easily, while a coarser one could provide a more pronounced texture.Nanotechnology is another area where the average particle diameter is of paramount importance. Nanoparticles, defined as particles with diameters between 1 and 100 nanometers, exhibit unique physical and chemical properties compared to their larger counterparts. The average particle diameter of these nanoparticles can influence their optical, electrical, and magnetic characteristics, making them suitable for various applications, including drug delivery systems, sensors, and catalysts.Furthermore, environmental studies also consider the average particle diameter when assessing air quality and pollution levels. Particulate matter (PM), which includes tiny particles suspended in the air, is categorized based on its average particle diameter. PM2.5, for instance, refers to particles with a diameter of 2.5 micrometers or smaller, which can penetrate deep into the respiratory system and pose significant health risks. Understanding the average particle diameter of airborne pollutants helps scientists and policymakers develop strategies to mitigate their impact on public health.In conclusion, the concept of average particle diameter is essential across various scientific disciplines. Its implications extend from improving the efficacy of medications to enhancing food products and addressing environmental issues. By accurately measuring and analyzing the average particle diameter, researchers and industry professionals can make informed decisions that lead to better products and healthier communities. As technology advances and our understanding of materials deepens, the significance of average particle diameter will undoubtedly continue to grow, shaping the future of science and industry.

在材料科学和工程领域，术语平均粒径指的是给定样本中粒子的平均大小。这个测量对于理解各种材料的特性和行为至关重要，尤其是在制药、食品生产和纳米技术等应用中。平均粒径会显著影响物质与其环境的相互作用，包括溶解度、反应性，甚至在生物系统中的生物利用度。为了计算平均粒径，研究人员通常使用激光衍射、动态光散射或电子显微镜等技术。每种方法都有其优缺点，但它们都旨在提供样本中粒子大小分布的准确表示。例如，在制药应用中，活性成分的平均粒径可以决定药物的有效性以及被身体吸收的速度。较小的颗粒往往具有更大的表面积，这可以增强它们的溶解速率并改善生物利用度。在食品生产的背景下，平均粒径在决定产品的质地和口感方面发挥着至关重要的作用。例如，在粉末食品或香料的制造过程中，平均粒径可以影响产品与其他成分的混合效果以及在烹饪过程中的表现。较细的粉末可能更容易溶解，而较粗的则可能提供更明显的质感。纳米技术是另一个对平均粒径至关重要的领域。纳米颗粒定义为直径在1到100纳米之间的颗粒，与其较大同类相比，具有独特的物理和化学特性。这些纳米颗粒的平均粒径可以影响它们的光学、电气和磁性特征，使它们适用于药物输送系统、传感器和催化剂等多种应用。此外，环境研究在评估空气质量和污染水平时也考虑平均粒径。悬浮在空气中的微粒物质（PM）根据其平均粒径进行分类。例如，PM2.5指的是直径为2.5微米或更小的颗粒，这些颗粒能够深入呼吸系统，构成重大健康风险。了解空气污染物的平均粒径有助于科学家和政策制定者制定减轻其对公众健康影响的策略。总之，平均粒径的概念在各个科学学科中都是至关重要的。其影响范围从提高药物的功效到增强食品产品以及应对环境问题。通过准确测量和分析平均粒径，研究人员和行业专业人士能够做出明智的决策，从而创造更好的产品和更健康的社区。随着技术的进步和我们对材料的理解加深，平均粒径的重要性无疑将继续增长，塑造科学和工业的未来。