direct screening separation film 直接加网分色软片
screening and separation 筛选和分离
Sine wave is used for the separation and detection of ion, SWIFT will be used for ion screening.
正弦波的作用是离子的分离和离子的检测，任意波形则用于离子的筛选。
Separation size is an important index in material screening operation.
分离粒度是筛分作业最重要的指标。
Ultra filters (is called UF): Is take the pressure as the propelling force, uses the ultra filter diaphragm different aperture carries on the separation to the liquid the physical screening process.
超滤（简称UF）：是以压力为推动力，利用超滤膜不同孔径对液体进行分离的物理筛分过程。
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