Method by sieving and sedimentation 筛分和沉淀法
size analysis by sieving [地质] 筛分粒度分析
particle size analysis by sieving [肥料] 筛分法粒度分析
The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen.
以粗纱布或细筛过筛，便可将花粉同柔荑花序的其它部分分开。
By sieving the rice husk particles (RHPs), the paper presents the loose and the tap bulk density of different sizes of rice husk.
通过对稻壳粉进行筛分，测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。
The strain is ammonium sulfate tolerant type and is obtained by sieving and separating from the activated sludge of the living sewage disposal factory.
该菌株为硫酸铵耐受型，是从生活污水处理厂的活性污泥中筛选分离得到的。
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