常常是用离心法分段收集沉淀的。
Precipitates are usually collected by centrifugation at intervals.
下面的盆子收集液体和沉淀物，泥泵将泥浆抽回上面的盆子，再次利用到农产品中。
The second lower basin would collect the liquid and sediment and the dredge pump would pump the soil soup back to the top to be used on agricultural products once again.
采用腹主动脉取血法收集血浆，沉淀蛋白质，利用高效液相电化学法检测血浆中ne、DA、5 - HT的含量。
Blood plasma were collected by abdominal aortic method, precipitated protein, detect plasma NE, DA, 5-ht content with high-performance liquid electrochemical method.
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