The effects of velocity ratio of free streams on the particle sedimentation in liquid-solid two phase plane mixing layer are studied by flow visualization method.
本文采用流动显示的方法对平板混合层中上下层流体速度比对固体颗粒在混合层中沉降的影响进行了研究。
VOC free - VOCs, or volatile organic compounds, are chemicals that can be emitted as gas from either a solid or a liquid.
不含VOC——VOCs，或者挥发性有机化合物，是从固体或者液体中散发出来的化学气体。
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