After analyzing the valuable components of the waste printed circuit boards, a development on research of recycling the valuable components of electronic waste using pulsing air classifiers was made.
通过对废弃电路板破碎解离及解离后有价成分的分析，采用脉动气流分选装置对电子废弃物中有价成分的回收进行了研究，并取得了初步进展。
Treatment group after therapy, bilateral before, during and after the brain artery blood pulsing index and average will be improved obviously, compared with the control group (p? 0. 05).
治疗组经治疗后双侧大脑前、中、后动脉平均血流速度及搏动指数均有明显改善，与对照组比较差异有显著性(P ？ 0.05)。
My feet hit the ground one after another, a steady percussion rhyming with the blood pulsing in my ears.
我的双脚不停踏地又飞快弹起，双耳里充斥着脉搏跳动的稳定韵律。
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