动力泵

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

Taking the autobus of city as the researchable object,for the characteristic of run and power,the basic design parameter of the hydraulic system was studied.Based on much aspect of factor,for example,the cost and benefit,the power and security,hydraulic switching system of inertia as being used the pump/motor and the container of air sac type as the representative characteristic was designed.And the e...

以城市公交汽车为研究对象，根据其运行特点及动力特性拟定液压系统的基础设计参数，在综合分析了成本与效益，动力性与安全性等多方面因素的前提下，设计了以气囊式蓄能器及泵/马达一体部件应用为典型特征的惯性能量液压转换系统，实验证明该系统具有结构紧凑、反应迅速、节油效果显著的特点。

ABCB11 gene encodes bile salt export pump. It is almost exclusively expressed in the canalicular microvilli of liver. It is the principal conveyor of bile acids from hepatocyte cytoplasm into bile canaliculus.

人类ABCB11基因编码产生胆盐输出泵，BSEP是位于肝细胞毛细胆管面上的重要转运体，将胆盐从肝细胞内转运到毛细胆管中，是形成胆汁流的最主要动力。

Now has first-rate modern operating room 3, equipped with highly specialized center of oxygen, high levels of air purification laminar flow operating room; is worth a few million multi-functional anesthesia machine, monitors, surgical lights, operating table, micro-power systems, electric coagulator, electric knives, defibrillator, syringe pump, in order to fully guarantee the safety of a patient's life operations have laid a good condition.

现拥有一流水平的现代化手术室3间，装备有高度专业化的中心供氧、高水平的空气净化层流手术间；价值数百万元的多功能麻醉机、监护仪、手术灯、手术床、微动力系统、电凝器、电刀、除颤器、微量注射泵，为充分保证手术病人的生命安全奠定了良好的条件。

The new technology makes the sucker rod string downwards easily by applying a downward hydraulic force at the bottom of the hollow sucker rod string, which effectively solves the problem of large drag force on the downstroke in the present technology of this kind.

介绍了一种新型空心杆采油工艺技术，这种技术采用了具有液力反馈原理的空心杆抽油泵，该泵的特点是能有效地减小空心杆的下行阻力，并能增加抽油杆的下行动力。

In liquid blasting machine, the mill feed for the pump power, compressed air to accelerate the momentum.

在液体喷砂机中，磨液泵为供料动力，压缩空气为加速动力。

Numerical simulation of cavitation in axial-flow pump under large-flow condition has been conducted by calculation Eulerian-Eulerian homogeneous model and Navier-Stokes equation with RNG turbulence model in this paper.

江苏大学能源与动力工程学院，江苏镇江 212013摘要：本文利用Navier-Stokes方程、RNG 湍流模型和欧拉-欧拉均相流模型，对轴流泵偏大流量工况下的空化流动进行了数值模拟。

Loosen the accessory drive belt at the power steering pump bracket, if equipped or at the idler pulley bracket (refer to Group 7, Cooling System for the proper procedure).

如果装备且在惰轮皮带盘托架上，放松动力转向泵托架上的附件驱动皮带。

Long-stroke diesel engine is designed to meet domestic and international oil exploration and development of the market demand, particularly in electricity power for the drill rig mud pump and stand-alone units and the development of new drilling power.

4012型长冲程柴油机是为满足国内外石油勘探市场的发展需求，针对钻机动力特别是电驱动钻机和单机泥浆泵机组而开发的新型钻采动力。

Two types of steering system are commonly used on cars: manual system and power system8 all power steering systems require a power steering pump attached to the engine.

两种类型的助力转向系统的普遍使用，对汽车：手动系统和电力系统八，所有动力转向系统需要一个动力转向泵连接到引擎。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。