mean particle size

In the form of ammino complex, Cr-Cr composite oxides are coated on the surfaces of Bi_2O_3 particles to form core/ shell structures Bi_2O_3/ Cu-O-Cr particles with a mean particle size of 78 nm and core size of 60 nm.

铜铬包覆层以氨配合物的形式包在Bi2O3粒子表面，形成核壳结构的复合粒子，复合粒子的平均粒度为78nm，核厚为60nm。

The results demonstrated that fly ash is mostly crowned particle, the particle size distribution ranges from 0 to 60 μ m, and the mean particle size is 10-15 μ m. Moreover, fly ash particles have hollow structure and higher specific surface area.

研究表明粉煤灰主要以球形颗粒为主，颗粒粒径分布波动0-60μm，平均粒径为10-15μm，粉煤灰颗粒具有空心结构和较大的内比表面积。

When Ag-doped white glasses are treated in a hydrogen atmosphere, silver nanoparticles can form at 250 ℃ in 2 min, and the mean particle size is smaller than that obtained from thermal treatment in air, which induces a blue shift of surface plasma resonance absorption.

在氢气气氛中，在250℃热处理2min，即可在玻璃中形成大量Ag纳米颗粒，颗粒尺寸小于空气中高温热处理样品的尺寸，从而引起表面等离子体共振吸收峰发生蓝移。

The experimental results show that with the decrease of suspension density, the crystal mean particle size rises and the crystal size distribution ( CSD) becomes well-proportioned;

研究结果表明：随着悬浮密度的减少，晶体平均粒径增大，粒径分布变得均匀；

Fisher method is introduced to determine the mean particle size of powders.

介绍了一种测定粉末平均粒度的方法—费氏法.