Two patients underwent artery bypass operation due to the low reflux pressure of internal carotid artery.
两例患者因术中反流压过低行动脉旁路术。
A case study of gas separation system is given to illustrate the effects of product quality, reflux ratio and tower pressure to total economic benefit through flow simulation.
本文以某气体分馏装置为例，通过严格的流程模拟，分析了产品质量、回流比和塔压等操作参数对总经济效益的影响。
The effects of reflux ratio and operating pressure on separation performance were also studied.
研究了操作压力和回流比对系统分离性能的影响。
The distillation conditions including overhead pressure, reflux ratio for the recovery of 1,2- propylene glycol were studied.
本文还研究了精馏的一些操作条件对1，2-丙二醇精制过程的影响（塔顶压力、回流比等）。
If minor doses are used, they can expand veins, lessen the vein reflux, cut down diastolic pressure or left ventricular end and cut down the load of the heart, and reduce the oxygen consumption.
小剂量时可扩张静脉，使静脉回流减少，左室舒末压下降，使心脏前负荷降低，降低心肌耗氧量。
Effect of reflux ratio, operation pressure and bottom temperature on fractionation results were discussed.
讨论和分析了脂肪酸甲酯间歇精馏过程中回流比、操作压力、釜温对精馏效果的影响。
Furthermore the effects of tower top pressure, temperatures of tower top and bottom, reflux ratio on product purity were analyzed.
同时探讨了塔顶压强、塔顶和塔釜温度、回流比变化对产品纯度的影响，获得了试验条件下的最佳操作条件。
The high pressure zone at anastomosis helped prevent gastroesophageal reflux.
吻合口高压区有明显的抗反流作用；
The high pressure zone at anastomosis helped prevent gastroesophageal reflux.
吻合口高压区有明显的抗反流作用；
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