接下来，他会像过去的淘金者一样，用筛分法拣出沉在底部的金粒。

Then he pans it, just like the old days, shaking the tub of dirt so that the gold sinks to the bottom.

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讨论了对纳米碳酸钙的粒径测量方法，如：电镜、激光粒度分布仪、沉降体积、筛分法。

The measurement methods of particle size of nano-CaCO_3 including SEM method, laser size distribution method, sedimentation volume method and screening method are discussed.

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纸浆细小纤维的制备可以先对纸浆适当预处理，然后采用筛分仪筛分法、DD J筛分法、湿筛分法等方法进行。

After proper pretreatment, fines of pulp can be prepared by the way of Bauer-McNett classifier method, DDJ sieving method and wet-sieving method.

youdao

纸浆细小纤维的制备可以先对纸浆适当预处理，然后采用筛分仪筛分法、DD J筛分法、湿筛分法等方法进行。

After proper pretreatment, fines of pulp can be prepared by the way of Bauer-McNett classifier method, DDJ sieving method and wet-sieving method.

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