整个试验台架由泵级部分、吸入部分、排出部分和数据采集部分组成。
The whole test stand is mainly made of pump stage part, intake part, discharge part and data acquisition part.
分析了一级泵系统实现变流量运行的可行性，并通过实例说明了其显著的节能效果。
Analyses and confirms the practicability of variable water flow operation for the primary pump system, and illustrates its obvious energy saving effects.
泵壳，叶轮，电机壳和固定底座弯头都应该采用符合美国材料试验协会ASTMA48级别30致密铸铁制造。
The pump casing, impeller, motor housing and stationary base elbow shall be manufactured of close-grained cast iron, ASTM A48, Class 30.
结论：盐酸氨溴索渗透泵控释片释药稳定，零级释药明显，具备优良控释制剂的特征。
Conclusions: The ambroxol HCl osmotic pump controlled release tablets have a stable release curve and conform to zero release order.
该泵为两级、轴向吸入，卧式安装的后拉式泵，适用于热的、磨蚀的和腐蚀的介质。
The pump has a two-stage, end suction, horizontally mounted back pull-out design for hot, abrasive and corrosive liquids.
单级单吸离心泵是根据国际标准ISO2858所规定的性能和尺寸设计的。
Single-stage single-suction centrifugal pump is designed in compliance with performance and size prescribed in the international standards ISO2858.
由于罗茨泵是一种无内压缩的真空泵，通常压缩比很低，故高、中真空泵需要前级泵。
As the Roots pump is a non-vacuum inside the compression, the compression ratio is usually very low, so high, medium and vacuum pumps need to pump before.
分析了一级泵水系统采用温差控制法实现变流量运行对空调系统运行的影响。
Analyses the effects of variable flow operation of primary pump water systems based on the temperature difference control method on the operation of air conditioning systems.
目的制备度米芬渗透泵片，以控制体外释药维持零级释放达80%以上。
Objective To prepare Domiphen osmotic tablets of zero release above 80% in vitro.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
海洋级铝泵体与丽绚衬砌是一个强有力的证明，泵的设计寿命长。
Marine grade aluminium pump body with Rilsan lining is a proven robust pump design for long life.
结合反渗透海水淡化高压泵的能耗状况，合理选择了万吨级反渗透海水淡化高压泵的泵型，提出了一种轴向吸入节段式高压多级泵的新型结构型式。
Considering the energy consumption of the HP-pump for SWRO, a reasonable type of high pressure pump was selected, and a new structure of the axial suction segment multistage pump was proposed.
单吸、单级卧式离心泵，用封闭叶轮。
Single suction, single stage horizontal centrifugal pump with closed impeller.
因此在部分负荷较低的情况下，燃气机单级离心泵的一次能源利用率较低。
Therefore, in the lower part load, the gas engine heat pump at a lower energy efficiency.
介绍了乳化液泵采用二级压力控制的液压系统及节能效果分析。
This paper introduces the hydraulic system of emulsion pump using towstep pressure control, analyses its energy conservation effect.
近日，齐鲁石化炼油厂连续重整车间加氢裂化高速泵成功改用国产二级机械密封，改造后运行状况良好。
Recently, the CCR of Qilu Petrochemical refinery hydrocracking workshop successful switch to domestically produced high-speed secondary pump mechanical seals, modified to run in good condition.
它主要由多级离心泵、双级分离器、保护器、潜油电机、护罩、沉降分离器组成。
It is comprised of multiple stage centrifugal pump, double stage gas separator, protector, submersible motor, guard shield and setting gas separator.
高流量中置泵，最大流量达2250GPM。是最畅销的单级泵。复合以中置分离传动轴承泵。
High flow midship pump. Up to 2250 GPM. The best selling single stage pump. Midship Split Drive Line Manifolded pump.
它可以单独使用，也可作为增压泵、扩散泵、分子泵的前级泵使用。
It can be used alone, but also as a booster pump, the proliferation of pumps, pump-pump using the former.
本文结合实例介绍了旁通定压和二级泵系统在高层建筑空调冷水系统中的合理应用。
Connecting with example this paper introduces the rational application of bypass pressure fixing and secondary pumping system in air conditioning s cooling water system of tall buildings.
该泵采用水平安装，单级、端吸、后拉式，ROTOKEY叶轮，简化了重载轴承部件等优点。
Pumps are horizontally mounted: single stage, end suction, back pull-out, ROTOKEY impeller mounting, simplified heavy-duty bearing unit etc.
在涡轮分子泵的前级侧充气，能强制使碳氢化合物立刻通过涡轮分子泵流入真空室。
Turbo molecular pump in the first grade side of the inflatable, can force the hydrocarbons into the immediate adoption of turbo-molecular pump chamber.
COBRA单级，直驱动式干燥真空泵，有独特的旋转螺杆，该产品主要应用于药物和化工领域。
The COBRA single stage, direct driven, dry vacuum pumps, with their unique rotary screws, are designed for difficult applications in the pharmaceutical and chemical processing industries.
单级双吸泵广泛适用于工业，民用和海事服务。
Single stage, double suction pumps designed for a wide range of industrial, municipal, and Marine services.
吸入室的形状决定了混输泵的压缩级进口的速度分布，对混输泵的性能有一定的影响。
The shape of the suction chamber decides the inlet velocity distribution of the compression grade in the multiphase pump, and affects the performance of the multiphase pump to a degree.
对单级切线泵在设计工况进行了定常流动数值模拟，分析了叶轮流道及蜗壳内的液体流动情况。
The numerical analysis of a whole flow field for a single stage tangent pump was presented.
结论阿魏酸钠单层渗透泵控释片工艺稳定，呈明显的零级释药特征。
Conclusion The drug release of sodium ferulate single-layer osmotic pump controlled release tablets is stable and had obvious characteristic of zero release.
本文以气体动力学理论为基础，论述了如何通过改进扩散泵的第一级喷咀来提高扩散泵的抽气速率。
This paper is based on the theory of gas dynamics, by means of improving the first nozzle of diffusion pump in order to increase the pumping speed of diffusion pump are reported in the paper.
提出了一种全新的电荷泵锁相环的行为级建模方法。
A novel multi-layer Charge-Pump Phase-Locked Loop (CP-PLL) behavioral model is presented in this paper.
提出了一种全新的电荷泵锁相环的行为级建模方法。
A novel multi-layer Charge-Pump Phase-Locked Loop (CP-PLL) behavioral model is presented in this paper.
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