本文利用流化床内压降随表观液速的变化阈值来确定流化床的起始外循环流化速度。
The onset velocity was an important parameter that affected the normal operation of the gas liquid solid outer circulating fluidized bed.
研究了中空纤维膜组件在反冲操作时膜管内压降规律，考察了膜渗透系数、膜长度及膜内径对膜内压力分布及透量因子的影响。
The pressure distribution in hollow fiber membrane model is given and the effects of membrane permeability, length and diameter on pressure distribution and flux factor of the model are studied.
尽管全球范围内的纯碱客户仍然在压降库存，但美国生产商还没有充分利用他们的定价能力，以获得更多的国际市场份额，沃尔特说。
Although soda ash customers across the globe were still working off inventory, us producers had not yet taken full advantage of their pricing power to gain international market share, Walter said.
附加流速法通过向节流管线内注入轻质的附加流体降低了节流管线的压降，可以很好的解决上述的压井难题。
Additional flow rate (AFR) method can overcome this problem beautifully by inject a kind of light and thin fluid into choke line to drop its pressure loss.
在PV型旋风分离器内加装减阻杆，可以大幅度降低旋风分离器的总压降。
Installed a stick in the type of PV cyclone separator which could reduced the pressure drop.
流化床内的固定藏量可以用测定床层的压降办法很容易地求得。
The inventory of solids in a fluidized bed can easily be found by pressure drop measurements across the bed.
在双喷嘴矩形喷动床内，以空气为喷动气体，研究了最大喷动压降与操作压降的变化规律和影响因素。
The maximum pressure drop and the operational pressure drop were investigated in a rectangular spouted bed with double nozzles by using air as spouting fluid.
进行了微通道内超临界CO2的局部和平均传热与压降特性实验研究。
This paper reports an experimental study of the local and average heat transfer and the pressure drop of supercritical CO2 in multi-port channels.
结果表明：在满足设计预期目标的同时，炉内单质硫生成量得到提高，总压降损失得到降低，具有节能效果。
The results showed that formation of sulfur furnace is improved and the total pressure drop is reduced which meet the design expectations with energy-saving effect.
其结果是两相流管道的压降比单相流动有极大的增加，而且液体在管道内堆积。
The result is that the pressure drop is increased rather dramatically over single-phase flow and that the liquid tends to stack up in the pipe.
但是目前除了外科手术清除血肿和脱水降颅内压外，尚无其它有效的治疗方法。
However, currently there is no medical therapy available for those patients except blood pressure reduction and neurosurgical evacuation of the hematoma.
结果表明：反应器内固含率要高于进料中的固体含量；床层轴向压降保持不变，但受固相含量影响；
The results showed that the solid holdup in the reactor was higher than that in feed, the pressure drop remained unchanged along the axial bed but was influenced by the content of solid in feed;
结果表明：反应器内固含率要高于进料中的固体含量；床层轴向压降保持不变，但受固相含量影响；
The results showed that the solid holdup in the reactor was higher than that in feed, the pressure drop remained unchanged along the axial bed but was influenced by the content of solid in feed;
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