particle size
简明释义
颗粒大小
英英释义
The measure of the diameter or dimensions of individual particles in a material, often expressed in micrometers or nanometers. | 材料中单个颗粒的直径或尺寸的测量,通常以微米或纳米为单位表示。 |
例句
1.The effectiveness of the drug can be influenced by the particle size 颗粒大小 of its active ingredients.
药物的有效性可能受到其活性成分的颗粒大小 particle size影响。
2.Research shows that smaller particle sizes 颗粒大小 can enhance absorption rates in the body.
研究表明,更小的颗粒大小 particle size可以提高身体的吸收率。
3.In soil science, particle size 颗粒大小 affects water retention and nutrient availability.
在土壤科学中,颗粒大小 particle size影响水分保持和养分可用性。
4.The particle size 颗粒大小 of the powder determines how quickly it dissolves in water.
粉末的颗粒大小 particle size决定了它在水中溶解的速度。
5.Manufacturers often control the particle size 颗粒大小 to improve product quality.
制造商通常控制颗粒大小 particle size以提高产品质量。
作文
The concept of particle size (粒子大小) is fundamental in various fields such as chemistry, physics, and material science. Understanding the particle size (粒子大小) of a substance can significantly influence its properties and behaviors. For instance, in pharmaceuticals, the particle size (粒子大小) of drug formulations can affect the dissolution rate, which in turn impacts the bioavailability of the medication. Smaller particles tend to dissolve faster, allowing for quicker absorption into the bloodstream. This is why manufacturers often strive to optimize the particle size (粒子大小) of their products to enhance efficacy.In environmental science, the particle size (粒子大小) of pollutants plays a crucial role in determining their impact on health and ecosystems. Fine particulate matter, often referred to as PM2.5, can penetrate deep into the lungs and enter the bloodstream, posing significant health risks. Understanding the particle size (粒子大小) distribution of these pollutants helps scientists and policymakers develop strategies to mitigate their effects and improve air quality.Moreover, in the field of nanotechnology, the manipulation of particle size (粒子大小) is essential for creating materials with unique properties. Nanoparticles, which are typically between 1 and 100 nanometers in size, exhibit different physical and chemical characteristics compared to their larger counterparts. This size-dependent behavior opens up new possibilities for innovations in electronics, medicine, and energy storage.In industrial applications, controlling the particle size (粒子大小) of raw materials is vital for ensuring product quality. For example, in cement production, the particle size (粒子大小) of the clinker affects the strength and durability of the final product. Manufacturers utilize various techniques, such as milling and sieving, to achieve the desired particle size (粒子大小) for optimal performance.Furthermore, the measurement of particle size (粒子大小) can be accomplished through several methods, including laser diffraction, dynamic light scattering, and microscopy. Each technique has its advantages and limitations, making it essential for researchers to choose the appropriate method based on the specific requirements of their studies.In conclusion, the significance of particle size (粒子大小) cannot be overstated. It influences various aspects of science and industry, from drug formulation and environmental impact to material properties and product quality. As research continues to advance, a deeper understanding of particle size (粒子大小) will undoubtedly lead to further innovations and improvements across multiple disciplines. Therefore, it is crucial for students and professionals alike to grasp this concept and its implications in their respective fields.
粒子大小的概念在化学、物理和材料科学等多个领域中是基础性的。理解物质的粒子大小(particle size)可以显著影响其特性和行为。例如,在制药行业,药物配方的粒子大小(particle size)会影响溶解速率,从而影响药物的生物利用度。较小的颗粒通常溶解得更快,使药物能够更快地被血液吸收。这就是为什么制造商通常努力优化其产品的粒子大小(particle size)以增强疗效。在环境科学中,污染物的粒子大小(particle size)在确定其对健康和生态系统的影响方面起着关键作用。细颗粒物,通常称为PM2.5,可以深入肺部并进入血液,带来显著的健康风险。理解这些污染物的粒子大小(particle size)分布有助于科学家和政策制定者制定减轻其影响和改善空气质量的策略。此外,在纳米技术领域,操控粒子大小(particle size)对于创造具有独特特性的材料至关重要。纳米颗粒通常在1到100纳米之间,其物理和化学特性与较大颗粒截然不同。这种依赖于尺寸的行为为电子学、医学和能源存储等领域的创新开辟了新的可能性。在工业应用中,控制原材料的粒子大小(particle size)对于确保产品质量至关重要。例如,在水泥生产中,熟料的粒子大小(particle size)会影响最终产品的强度和耐久性。制造商利用各种技术,如磨粉和筛分,以达到所需的粒子大小(particle size),以实现最佳性能。此外,粒子大小(particle size)的测量可以通过多种方法实现,包括激光衍射、动态光散射和显微镜。每种技术都有其优缺点,因此研究人员必须根据研究的具体要求选择合适的方法。总之,粒子大小(particle size)的重要性不容小觑。它影响科学和工业的多个方面,从药物配方和环境影响到材料特性和产品质量。随着研究的不断进展,对粒子大小(particle size)的更深入理解无疑将推动多个学科的进一步创新和改进。因此,学生和专业人士都应掌握这一概念及其在各自领域中的影响。
相关单词