With the expansion of the use of particles with special morphology, higher requirements to the control of particle size and morphology emerged.
随着特殊形态高分子颗粒应用的扩展，对颗粒的粒径及形态的控制都出现了越来越高的要求。
For dry granulation of powders providing precise control of particle size and density in order to produce uniform blends, control dust, improve flow properties, consistent particle hardness, etc.
用于干法制粒，提供精确的颗粒尺寸和密度，便于产品统一混合，控制灰尘，改进流量特性，统一的粒子硬度等。
Therefore, in order to advance the control time of polymer particle size, we should control the two proceeding parameters earlier than the three latter parameters during unsteady state operation.
因此，在非稳态操作时，要实现聚合物颗粒粒径的控制，对第一类变量的控制应早于第二类变量。
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