critical diameter meaning in English

临界直径

Effect of rdx particle size on critical diameter
的粒度对临界截面积的影响
Energetic materials for defense . performances . estimation of critical diameter by the tiered pellets method
国防用高能材料.性能.成排小子弹极限直径的评估方法
The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field , determines the relations among the separating critical diameter , the rotate speed of screw , airflow speed and the radial size of separating interface , establishes and work out the separating diameter which value the separating effect of the new equipment
根据物料的空气阻力与离心分离理论分析了离心力场中粒子径向分离速度及重力场中的粒子沉降速度，确定分离临界粒径与螺旋转速、气流速度及分离界面径向尺寸等之间的关系建立了并求出了衡量此种新机型气固二相流分离效果的衡量指标? ?分离粒径。