一般认为，聚丙烯酰胺起到调解注入水的流变性、增加驱动液粘度、改善水驱波及效率等作用。
Generally speaking, HPAM can adjust the injected water's rheology properties and improve the viscosity of driven solution, make better the efficiency of spread etc.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.
驱动形式多样，设有手动、蜗轮传动、电动、电液动、气动、自动调节等，充分满足不同工艺的需求。
The driving type is manual, worm gear, electric, electric hydraulic, pneumatic, automatic adjusting etc, which satisfies different process requirement.
目的：观察高流量氧驱动布地奈德混悬液、喘乐宁雾化治疗儿童哮喘急性发作的疗效。
Purpose To observe the effect of treating acute episode of infant asthma by budesonide suspension driven by oxygen.
其它还有采用混合驱动，即液-气或电-液混合驱动等，只适用于特定场合，没有大规模采用。
The other is the use of hybrid drive, liquid - gas or electro - hydraulic hybrid drive, only suitable for specific occasions, there is no large-scale use.
水泵由发动机曲轴上的皮带驱动，使冷却液在散热器与发动机水套之间循环流动。
The water pump, driven by a belt from the engine crankshaft, circulates the cooling liquid between the radiator and engine water jackets.
当成分起伏的“方向性”和“程度”满足形核的热力学条件时，相变驱动力增加，可以促使钢液形核。
When unstable thermal conditions are satisfied with the constituent fluctuations of "correct direction" and "degree", phase transformation driving force is raised and nucleation is promoted.
主泵，泵采用液气联合驱动及无触点电气控制系统，运行平稳，换向灵敏可靠。
The host pumps auxiliary pump adopts the hydraulicandpneumatic united drive, themovement is nimble and reliable.
与其它类型的发动机冷却风扇驱动相比，液驱风扇系统更合理。
Compared with other types of engine's cooling fan-driving system, hydraulic driving system is more reasonable.
主泵、泵采用液气联合驱动及无触点电气控制系统，运行平稳，换向灵敏可靠。
The host pumps and the auxiliary pump adopts the hydraulic and pneumatic united drive, the movement is nimble and reliable.
液动驱动方式结构简单，重量轻，输出力矩大，在大口径、单回转阀门中常用。
The hydraulic drive is used commonly on valve with big caliber and simple tuning characteristic because of its simple frame, weight light, great deferent power comparatively.
在此基础上建立池内有气泡驱动情况下气液两相流动传热的物理数学模型，并进行相应的数值求解和分析。
Then physical and mathematical model of the gas-liquid two phase flow which was actuated by the bubble in the pool, were proposed and solved numerically.
为了确保螺杆钻具的效率和使用寿命，研究了采用液马达驱动的螺杆钻具逆向检测试验法。
In order to ensure the efficiency and service life of screw drilling tools, an inverse inspection method for screw drilling tools driven by hydraulic motor is investigated.
采用德国技术设计的气液增力主驱动系统，可进行二行程与三行程自由切换，节能高效。
It adopts German technology of air-hydraulic boosting driving system, freely change between two stroke or three stroke for high efficiency and energy saving.
驱动方式有手动，电动，液动，气动和齿轮传动等。
Way of actuation: manual, gear, electric, fluid and pneumatic etc.
结果表明：使用了快速预冷汽液分离器后，探针预冷时间大大缩短，并随驱动压力增大而减小；
The results show that the precooling time of the probe is shortened significantly with the help of the vapor-liquid separator, and decreases with the driven pressure.
研制了一种压电弯曲元件型压电驱动器，该驱动器用于电液伺服阀的电-机械转换器。
Developed a new type of piezoelectric bending actuator used as electrics-to-mechanics converter of a piezoelectric hydroelectric servo-valve.
研制了一种全新结构的直接驱动电液伺服阀。
This paper develops a direct-drive electrohydraulic servo valve of a completely new structure.
四轮驱动混合电动车辆稳定性控制逻辑建议采用后马达能量回收制动和一个电液制动器（EHB）。
Vehicle stability control logic for a four-wheel-drive hybrid electric vehicle is proposed using the regenerative braking of the rear motor and an electrohydraulic brake (EHB).
对本课题系统在电液混合驱动注塑机中的应用情况进行了介绍，指出了电液混合驱动注塑机的优点。
The application status of the power unit in electro-hydraulic injection moulding machine is introduced, and the merits of electro-hydraulic injection moulding machine are pointed out.
本文首次推出用步进电机驱动的钢绳浮子式液位测量仪。
This paper for the first time presents the steel rope —float type apparatus for measuring liquid level.
乳化液煤层液压钻使用同步马达作为其驱动元件，可有效解决乳化液对马达机体的腐蚀问题。
The hydraulic seam drill is equipped with the synchronous gear motor as the driving part, which can effectively solve the corrosive problem of the emulsion to the motor body.
同步驱动系统是机电液一体化技术的一个重要领域，在工业生产中得到广泛应用。
The synchronization driver system is one important area of integrative technology among mechanism electronics and hydraulic. It was widely applied in industry.
因此对其电液驱动模型进行系统研究，尤其是对非对称单杆液压油缸驱动机构研究是至关重要的。
So it is of great importance to research the mechanical and electrical driving system, especially the unsymmetrical actuators.
动力头采用中空式液马达直接驱动方案，具有重量轻、成本低、轴间尺寸小等优点。
And the selected dynamic part takes the direct driving plan with hollow hydraulic motor and has the advantages of light, cheap and small volume in the direction of shaft.
根据电磁场和磁流体力学理论，设计制造了以永磁体为工作介质，对金属液具有磁力驱动控制作用的双磁力驱动流体流动控制器。
Base on the theory of electromagnetic field and magneto hydrodynamic, an apparatus of double-driving by magnetic force media with permanent magnet has been designed and manufactured.
因此深入研究单通道电液位置伺服系统和双液压马达驱动系统的性能及控制策略对仿真转台的研制具有非常重要的实际意义。
Therefore, it is necessary to study the properties and control strategies of single channel hydraulic servo system and dual hydraulic motors driving system.
运梁车的驱动、转向、悬挂和支腿等操作均采用电液比例控制。
The operations of drive, steering, suspension, and kickstand of girder transport vehicle are driven by electro-hydraulic proportional control system.
运梁车的驱动、转向、悬挂和支腿等操作均采用电液比例控制。
The operations of drive, steering, suspension, and kickstand of girder transport vehicle are driven by electro-hydraulic proportional control system.
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