ultrafine monodisperse aerosol

例句：

1. 1.The ultrafine powder is used in cosmetics to improve skin texture.
   超细粉末用于化妆品中，以改善皮肤质地。
2. 2. Ultrafine particles are difficult to filter out of the air.
   超细颗粒难以从空气中过滤掉。
3. 3. Ultrafine materials have unique properties that make them suitable for certain applications.
   超细材料具有独特的性质，使其在某些应用中具有优势。
4. 1. Monodisperse aerosols are often used in medical devices to deliver drugs directly to the lungs.
   单分散的气溶胶常用于医疗设备中，直接将药物输送到肺部。
5. 2. Monodisperse particles are important for many industrial processes.
   单分散粒子对于许多工业过程都非常重要。
6. 3. The researchers found that the monodisperse nanoparticles had excellent antibacterial properties.
   研究人员发现，这些单分散纳米粒子具有出色的抗菌特性。