Laboratory experiments have been conducted to study the flow field in a cyclone static micro-bubble flotation column. The method of Particle Image Velocimetry (
目的 探讨个体化钠透析在难治性高血压血液透析患者中的可行性和意义.方法 以透析前患者的血清钠为基准,对26名难治性高血压血液透析患者实行个体化钠透析,监测在治疗过程中血压的变化,抗高血压药物使用及费用等.结果 可调钠透析能够有效缓解血液透析患者难治性高血压(SBP 173±24 vs 135±13 mm Hg,DBP 100±17 vs 87±7 mm Hg),降低抗高血压治疗的费用(17.4±3
The screening of particles with different vibration modes was simulated by means of a 3D discrete element method (3D-DEM). The motion and penetration of the par