Primary nucleation was the main nucleation mode in the precipitation process. However, secondary nucleation cannot be ignored when the slurry density is high, and the supersaturation is low.
动力学研究表明，在硝酸硫胺沉淀结晶过程中，初级成核是主要的成核方式，当晶浆密度较高且过饱和度很低时，二次成核不能忽视。
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
According to this mode, latitudinal gravity always pushes the earth's matter toward the region of"latitudinal density anomaly low"from"latitudinal density anomaly high".
按照这一模式，纬向重力总是把地球物质从“纬向密度异常高”的地区推向“纬向密度异常低”的地区。
According to this mode, latitudinal gravity always pushes the earth's matter toward the region of"latitudinal density anomaly low"from"latitudinal density anomaly high".
按照这一模式，纬向重力总是把地球物质从“纬向密度异常高”的地区推向“纬向密度异常低”的地区。
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