There is no internal scale product of dry screw pump owing to the late research starting, so like products are all depend on importing and the price is very expensive.
由于国内螺杆干泵的研究起步较晚，目前还没有规模化的产品，同类产品全部依靠进口，价格十分昂贵。
In the face of these grim statistics, OPEC decided last month to pump 1.5m fewer barrels a day (about 2% of global consumption), starting from November 1st.
面对这些严峻的数据，石油输出国组织上个月决定，自11月1日起，每天减产150万桶(约占全球消耗量的2%)。
Based on field test and operation, the starting and operating chareteristics of an electric submersible pump(ESP)are analyzed.
根据现场试验和运行情况，分析了电动潜油泵的启动特性和运行特性。
Press the starting button of the oil pump on the operation box beside the Hydraulic Bump Station. Note: only start one oil pump motor.
按位于液压泵站旁操纵箱上的油泵起动按钮，只起动一台油泵电机。
The features of the BEPCII linac vacuum system are described, with the remote monitoring system used in the process of ion pump power starting to normal operation and overflow protection based on PLC.
同时介绍了基于PLC可编程控制器应用于离子泵电源的启动和过流保护的远控系统。
Starting from the outlet of the pump, the water runs through the upstream tank (on the Kaplan side), the model, the downstream tank and back to the inlet of the pump.
从泵的出口，水流通过上游水箱(在轴流式水轮机这边)、模型机、下游水箱返回泵的进口。
Mainly is the pump speed is too high, medium and high viscosity resistance is very big, this will cause pump motor moment of starting current more than rated current, motor overload;
主要是泵的转速太高、介质粘度又太高这样就会造成泵阻力很大，电机的瞬间启动电流超过额定电流，造成电机过载；
As an appropriate starting mode for pump, the soft starter can see an extensive application future with the rising of performance-price ratio.
所以是一种比较适用于水泵的起动方式，随着性能价格比的提高，具有广泛的应用前景。
The invention also provides a starting method of the variable stroke plunger pump.
本发明还提供一种变量柱塞泵启动方法。
In this paper , the starting condition calibration of a diesel engine fixed with VP37 electronic distribution pump is studied.
研究了安装VP37电控分配泵柴油机起动工况的标定匹配。
The reactor coolant pump canned motor of AC600 PWR is the kind of shielded motors with high moment of inertia, high reliability, high efficiency and nice starting performance.
AC600中的主泵电机应为高转动惯量、高可靠性、高效率和起动性能良好的屏蔽电动机。
Avoiding the possible counter rotation of the oil pump while starting the machine, otherwise it may lead to the out blown of the axle seal and entering of air.
滤油机在启动时，应注意不能使油泵反转，以免引起油泵轴封吹出导致吸入空气。
A kind of water supplying electric pump direct-on-line starting and multifunctional protection technique is introduced.
介绍了一种水泵电机全压起动及多功能保护技术。
The system of centrifugal pump is subjected easily to the fluid hammer and surges when starting and stopping motor.
泵系统在电动机起动和停止时，容易产生液流冲击和喘振。
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
如果泵上装有真空表或压力表，要关闭其与泵相连接的旋塞再启动电动机，待转速正常后再打开；
The energysaving effect analysis of replacing condensate pump by drain pump of low pressure heater at starting and shutting process of unit;
阐述了低压加热器疏水泵平衡盘磨损的问题，在设备现状基础上进行了理论分析，得出了平衡盘磨损的理论依据。
Screw pump should be in suction stop valve fully open under the condition of starting, in case of overload or empty.
螺杆泵应在吸排停止阀全开的情况下起动，以防过载或吸空。
The results show that, in the tubular pump start the process, the delay time of opening gate and the speed of the starting gate are significant influence the transition process.
计算结果显示，在贯流泵站起动过程中，闸门开启延时时间以及闸门开启速度对起动过渡过程均有明显影响。
As examples, at 1:16 is the starting of the propulsion pump to drive the car upwards, while at 1:45 the pump starts in another manner to bring the car down.
例如，在1：16是驱动泵开动将升降机向上驱动；而在1：45驱动泵则以另一方式开启将电梯向下移。
Starting with the current situations of the screw pump lifting, this paper analyzes the adaptability of the screw pump lifting in alkali-surfactant-polymer flooding and poi...
从三元复合驱螺杆泵举升技术现状出发，分析了螺杆泵举升在三元复合驱应用的适应性，给出了螺杆泵举升技术的应用效果。
Starting with the current situations of the screw pump lifting, this paper analyzes the adaptability of the screw pump lifting in alkali-surfactant-polymer flooding and poi...
从三元复合驱螺杆泵举升技术现状出发，分析了螺杆泵举升在三元复合驱应用的适应性，给出了螺杆泵举升技术的应用效果。
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