primary particle meaning in English
初次颗粒
认为絮凝体由初始颗粒
一次颗粒
一级粒子
原粒子
原生颗粒
原始粒子
Examples
- These are loose aggregates of a large number of primary particles of crystalline or spherical shape .
这些是大量晶体，或球原始粒子的疏松团粒。 - Transmission electron micrographs showed that the resulted lanthanide were in the form of nanoparticles with an average primary particle size around 20 - 40 nm
Tem测试结果表明真空条件下（ 13 - 40pa ） ，热分解制得的活性金属粉末的颗粒大小为20 - 40nm ，分散度好且纯度高。 - It makes a leveling of all primary particles into different energy zones depending on knowledge energy property of each individual particle . motions of primary particles include energy exchanging with knowledge energy field around them and leaps between different energy zones
在主模型中， “知识能量”成为各层次基本粒子单元的主要属性，不同能量等级的粒子处于相应的“轨道能级”上，其运动方式包括与知识场的能量置换和向高能级轨道的“跃迁” 。 - 1 lanthanide hydrides ( m = la , nd , sm , dy and yb ) can be prepared easily by the direct hydrogenation of lanthanide metals catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure . the rate of hydrogenation decreased with increasing atomic number of lanthanides . transmission electron micrographs showed that the resulted lanthanide hydrides were in the form of nanoparticles with an average primary particle size around 20 - 40 nm
本论文首次提出一种在温和条件下催化合成纳米尺寸的镧系金属氢化物的方法，介绍在常温常压下，镧、钕、钐、镝、镱五种镧系金属在四氢呋喃( thf )溶剂中，催化剂作用下与氢气直接化合形成相应的纳米尺寸的镧系金属氢化物。