1·First commercially successful third-generation random packing replacing the widely used Pall Ring.
第一商业上成功的第三代散堆填料取代广泛使用的鲍尔环。
2·It is shown from the comparison that the QH 1 mini ring has much better hydrodynamics and mass transfer characteristics than 16 pall ring.
并与16鲍尔环填料进行比较，结果表明，QH 1具有优良的流体力学和传质特性。