For the particle-separation experiments, the researchers covered a large Lego board with cylindrical Lego pegs and placed the board vertically in a fish tank filled with glycerol, a viscous liquid.
在做颗粒分离实验时，研究人员在一块大乐高板上插满了圆柱状乐高钉，然后把板垂直放入盛满粘性液体甘油的鱼缸。
Widely used in biology, medicine, genetics, agricultural science, food hygiene, environmental protection and scientific research and production units, various densities in liquid particle separation.
广泛应用于生物学、医学、遗传学、农业科学、食品卫生、环保等科研和生产单位，对溶液中密度不同的粒子进行分离。
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