查询词典 elevator pump

It firstly did numerical simulation towards pulsed liquid jet pump's throat pipe when it was working on different area ratio, different length of throat pipe, different working situation. Then it analyzed and proposed the optimization length of throat pipe on pulsed liquid jet pump; In chapter 5, it did experimental study on the fundamental performance of steady and pulsed liquid jet pump, then compared the experiment result with numerical simulation result, this approximately agreed with each other.

首次对脉冲液体射流泵在不同面积比、不同喉管长、不同工况下的喉管内部流场进行了数值模拟，分析提出了脉冲液体射流泵的最优喉管长度范围；第五章对恒定、脉冲液体射流泵的基本性能进行了试验研究，对比试验结果和数值模拟结果，二者吻合较好。

Tower Crane, SC200/200 Series of Elevator, Concrete Mixing Stations, PL Batcher Series, Concrete Pump, QPK Winch Hoist, Piling Machinery.

塔式起重机、施工升降机、混凝土输送泵、打桩机、混凝土搅拌站（移动式50站）和水利机械等。

Dedicated focus on OEM sales development of VACON products in metal, crane, wind machine, pump, metal, mining and elevator industry

专注于伟肯变频器在机床、起重、风机、水泵及电梯领域OEM客户的市场开拓

Elevator set fire pond within the drainage pump flow is not less than 10L / s.

消防电梯集水池内排水泵流量不小于10L/s。

In recent years, our company develop and produce the electric vehicle motors, AC servo motor explosion-proof, wind generators, oil motor, blower and pump frequency conversion motor, gearless elevator traction machine, such as permanent magnet synchronous motor of new products by the user's welcome .

近年来，我公司研制生产了电动车电机、防爆交流伺服电机、风力发电机、油田用电机、风机与水泵变频电机、无齿轮电梯曳引机等永磁同步电机新产品，受到用户的欢迎。

The company has all kinds of modern construction machinery, 494 sets, such as tower crane, wall elevator, concrete mixer and concrete pump motor.

公司拥有承建各类工程施工的现代化施工机械，拥有塔吊、爬墙电梯、混凝土搅拌站、混凝土泵车等494台。

Based on dynamic load calculation and the cooling and heating characteristic curve of the practical air/water heat pump residential central air conditioning, this paper calculates hiemal and aestival electric consumption and seasonal efficiency of air/water heat pump residential central air conditioning, and compares its economy with that of separate type room air conditioner .

在动态负荷计算的基础上，按实际运行的空气/水型户式空调机组的制热与制冷特性曲线，计算了该种户式中央空调系统冬夏季耗电量与季节效率HSPF及SEER，并在此基础上与采用分体式空调器方案作了经济性比较。结果表明，在具有典型夏热冬冷气候特点的湖南衡阳地区，住宅建筑空调采用空气/水热泵型户式中央空调系统是可行的

For the aim of saving energy and optimizing control of chilled systems, the performance of VWV systems and characteristics of control systems were analyzed based on the simulation. According to the characteristic of the monitored parameters and controlled variables in VWV systems, three online optimal control strategies were proposed and validated:(1) Optimal strategy for on/off control of chillers according to the ratio of secondary flow rate to primary flow rate.(2) Optimal strategy for the control of secondary pump according to value positions of auto-controlled AHU vales. And (3) Optimal strategy for supply chilled water temperature control of chillers according to valve positions of auto-controlled AHU valves and working status of secondary pump.

为达到节能和优化系统控制的目的，在楼宇空调水系统及其局部控制仿真分析的基础上，针对变流量系统监测点和可调参数较多的特点，提出并验证了3个实时优化控制方案：根据初级和二级冷谋水流量的比率，实时优化多台冷水机组的启／停控制；利用AHU自动控制水阀的阀位信息，实时优化二级水泵的控制；利用AHU自动控制水阀的阀位信息以及二级泵的工作状况，实时优化冷水机组出水温度的控制。

Air leakage into the pump after a great influence on pump performance.

空气漏入泵后，对泵的性能影响很大。

In this paper, the control strategies of variable flow in secondary pump system and primary pump system in air conditioning were also discussed.

本文还探讨了空调二次泵系统和一次泵系统变流量的控制策略。

But Severus escaped the hands of those that Julianus had sent to murder him and sent a letter to the praetorian guard, giving them the signal either to desert Julianus or to kill him.

赛维鲁总算逃过了尤利阿努斯派来的杀手，并写了一封信给罗马的禁卫军，向他们发出信号，要么抛弃尤利阿努斯，要么干掉他。他们立即服从了。

This text is in terms of this of " human nature ", it is under the influence of western literature human nature thought to probe into, awakening in human nature of novel works and all sorts of limitations that affectionate The school of Mandarin Duck and butterfly.

本文便是从"人性"这一角度，探讨在西方文学人性思想的影响下，清末民初鸳鸯蝴蝶派的言情、哀情小说作品在人性方面的觉醒与种种局限。