pressure reducing period

Calculation and error analysis of pressure drop of gelled propellant simulants in the pipe;

凝胶推进剂模拟液直圆管压降计算及误差分析

Effect of pressure drop grading structure of feed nozzle for catalytic cracking process on atomization;

催化裂化进料喷嘴压降分级结构对其雾化效果的影响

An experiment investigation on the pressure drop for oil drop dispersed flow through horizontal pipe;

水平管内油滴分散流摩擦压降特性的实验研究

Research on depressurization and augmented injection of petroleum sulfonate;

石油磺酸盐降压增注试验研究

EOR through depressurization and augmented injection with surfactant;

利用表面活性剂降压增注提高采收率技术

Research on carried solution and pressure fall in liquid desiccant packed towers;

液体除湿填料塔液体夹带和压降问题研究

The craft pipeline net and devices from first-order air evacuation to second-order air admission in the compressor system at Hekou compressor station are analyzed from the aspect of pressure fall at different stages, thus finding out the key to the problem of pressure fall in compressor system.

对河口压气站压缩系统的一级排气至二级进气的工艺管网和设备进行分段压降分析,从中找出压缩系统压降存在问题的关键。

Based on the continuity equation and the momentum equation, the pressure fall models of wellbore flow within an open-hole and a perforated completion snaky well bore are e.

研究了蛇曲井井筒流动特征,对蛇曲井微元段和孔眼段的流动进行了分析,根据质量守恒原理和动量定理,建立了裸眼完井和射孔完井方式下蛇曲井生产井段的井筒压降预测模型。

Undervoltage (Voltage Drop).

欠电压(电压降低)。

A step-down transformer can reduced a voltage to whatever value is desired.

降压变压器能把电压降到所需的任何值。

voltage drop compensation directional relay

压降补偿式定向继电器

Note the polarity of the voltage drop across R.

注意r上电压降的极性。

Evaluation of antihypertensive effect of Zhenjujiangya tablet after twice administration both at morning and noon by ambulatory blood pressure monitoring

珍菊降压片早、中二次投药的降压效果

hydraulic elevator

液压电梯;液压升降机;水力提升机;水压升降机

electrohydraulic coil lifter

电动液压式带卷升降台

carcass hydraulic rail dropper

油压路轨屠体降落器

drooping voltage generator

电压下降特性发电机

hydraulic backstop

以液压升降的篮球架

unite nsen aqueous

醋酸绿藜安 -降压药

fuel pressure warning light

燃料压力下降警告灯

low bearing oil pressure alarm

轴承油压下降警报器

steering control valve pressure loss characteristic

转向控制阀压力降特性

The barometer began to fall.

气压计的读数开始下降.

The voltage had been reduced in stages.

电压一直在逐步地降低。

hydraulic lifting platform

液压式装修升降平台

hydraulic plunger elevator

液压柱塞直顶式升降机