查询词典 pumping engine

By solving management model, the optimal groundwater withdrawal 〓 of the Wuwei Basin in two irrigation periods are obtained,〓 shows that the pumping condition of groundwater in the region can divided into six sub-regions: the pumping sub-region with maximum 〓 is located in the river courses; the sub-region with minimum 〓 in the spring overflow zone; and non-pumping sub-region in the 〓 irrigated districts and desert area, and that the unique way to crese groundwater pumpage is to pirate evapotranspiration in the oundwater evaporation zone.

通过管理模型的运转，获得了武威盆地平水年、枯水年、丰水年三个典型年份各灌期地下水的最优开采方案。按年最优开采模数，区域地下水的开采条件可分为六个区，地下水最强的开采区位于出山河流的主河道、石羊大河和洪水河沿岸，最弱的地区为泉水溢出带，河水谨区和沙漠区下开采地下水。同时表明，袭夺潜水蒸发量可增加地下水的开采量，该区现状条件下增加地下水的开采量的唯一途径是袭夺潜水蒸发带地下水蒸发量。

Practically, there are unsteady flow in the water diversion system of the pumping station as a result of the change of upsteam stage and pump operation stage. It has important significance for the optimum operation and management of the pumping station to study on one-dimensional unsteady flow of water diversion system of the pumping station.

同时在泵站实际运行过程中，由于上游水源水位和泵站运行水位变化的影响，引水系统内往往会产生非恒定流，因此，泵站引水系统非恒定流计算研究对泵站的优化运行和管理具有重要的理论意义和实际应用价值。

By the mechanics analysis of pumping rod, the calculation model of the mechanics analysis of pumping rod and neutrality point of oil tube have been established. The function of pumping rod bend space length and account method have been derived and analysis example have been completed. The simulation of wellbore trajectory and the deformation curve of sucker rod and oil tube is also given.

论文对机械磨损和腐蚀对偏磨的影响进行了分析，通过对抽油杆和油管的力学分析，建立了下冲程抽油杆、管柱下部受力分析与中性点计算模型；给出了抽油杆变形的影响因素，建立了油井井身轨迹、抽油杆和油管在油井中的变形曲线模拟软件。

The invention adopts a semiconductor laser or other pumping lights, such as a LED light, to pump the etalons, optical elements and wave plates made of optical materials which can absorb the pumping light, and regulates the output power of the pumping light to change the temperature of transmittance zones of the etalons, wave plates and optical elements so as to realize the changing of transmission wavelength of the etalons, the quick changing of wave plate phase and the quick changing of optical length of optical elements.

本发明采用半导体激光或其他泵浦光如LED光泵浦由可吸收泵浦光的光学材料制作的标准具、光学元件、波片，由调节泵浦光输出功率改变标准具波片、光学元件透光区域的温度，从而实现标准具透过波长的改变、波片相位快速变化，光学元件光学长度快速变化。

Pumping station forbay is an important part of pumping station ,and the hydraulic characteristic of the pumping station forbay has a direct influence on the efficiency of a pump. The efficiency of the pump unit can be uprated in the condition of well flow condition.

泵站前池是泵站的一个重要的组成部分，进水的水力特性对水泵性能有着直接的影响，良好的进水条件可以使水泵装置达到良好的运行状态，获得较高的效率。

According to the development of the oil-pumping unit and kinds of new technologies, we develop a new structure oil-pumping unit which is directly driven by a novel permanent magnet synchronous motor. Compared with the traditional beam-pumping unit, this new one has the advantages of simple structure, high efficiency, etc.

论文研究内容源自与油田合作的抽油机技术研究项目，根据目前抽油机现状以及当今各种技术的发展，提出了新型永磁同步电机驱动的抽油机系统，简化了传统的抽油机系统结构，提高了系统效率，使抽油机的工作性能和节能指标都有了很大的提高。

Based on the practice of the use of φ95mm subsurface sucker rod pump in Shengtuo Oilfield in recent years, the causes of the failure of the pump are analyzed, and relevant precautions are put forward:(1)selecting oil wells with sufficient fluid supply for pumping;(2)under the condition of the pump efficiency being the same, the submergence depth of the pump being somewhat larger than that of the small pump, and 450～500m being feasible;(3)adopting Grade H ultrahigh-strength rod string and fixing a sinker bar at the bottom of the rod string;(4)selecting long stroke and low pumping speed, and more than 5m stroke and less than 6min-1 pumping speed being recommended;(5)adopting zirconium oxide valve ball and seat ＋ spray welded plunger ＋ nitrided barrel.

根据胜坨油田近几年采用φ95mm有杆抽油泵提液的实践，分析了造成这种抽油泵失效的原因，包括与其配套的脱节器失效、抽油杆断脱、泵漏、电动机不配套和生产管理不善等。为增强泵的提液能力和工作可靠性，提出5 项预防措施：(1)选择有充足供液能力的油井；(2)在保持相同泵效的情况下，泵的沉没度应略大于小泵，推荐按450～500m设计；(3)采用H级超高强度抽油杆柱，并在杆柱底部配置一定重量的加重杆；(4)采用长冲程、低冲次的参数匹配，推荐光杆冲程大于5m，冲次小于6min-1；(5)为提高泵筒、活塞和阀座的防腐耐磨性，推荐采用&氧化锆阀球和阀座+喷焊柱塞+氮化泵筒&的结构形式。

In view of the calculation of the start-up time difference of in-lake and out-lake pumping stations on the upper and lower lakes,this article researches on the following related contents,such as the necessary and sufficient conditions of start-up of out-lake pumping station,the relation between the start-up time of out-lake pumping station and rising velocity of lake water level.

针对南水北调南四湖上、下级湖各自调水的出、入湖口提水泵站开启时间差的计算问题，开展了调水出湖提水泵站开启的必要和充分条件、出湖提水泵站开启时间和湖内水位升高速率等相关内容的研究。

Engine room counting fee management application, project structure and expansion solution guidebook A PC product need analysis: Engine room application besides need towards function had special request outside, other summarize to have 4:00:(1) PC fundamental that PC that stability, engine room use is up is everyday 24 hours request for be placed inning openning the machine and circulating the appearance, stability towards PC having more and strictly, then request PC at any time high low temperature start, stanza can manage, power supply manage, inside memory manage and keep on worked deathless machine very and strictly, this is not is what DIY can make to, these factors must be in the product system design inside factor that consider, at the same time at the factor that the machine produce adopt a 48 hour development test the machine can discover latent influence system stability;(2) PC of can manage the sex, engine room as if teach Teach the profession's electronics classroom, and management engine room as if management teacher to electronics teacher, and this is the PC network management, namely on-line management, for example early the machine of many sets proceed together the OS to install, application the procedure install, hardware management, usage supervise and control and report to the police the etc.

机房应用除了对性能有特殊要求之外，其它的需求概括起来有4点：（1）PC的稳定性，机房用的PC基本上是每天24小时处于开机及运行状态，对PC的稳定性有更加严格的要求，即对PC 随时高低温启动、节能管理、电源管理、内存管理以及持续工作不死机的要求非常严格，这并非是DIY所能做到的，这些因素必须是在产品系统设计中考虑的因素，同时在机器生产时采用48小时动态考机才能发现潜在的影响系统稳定性的因素；（2）PC的可管理性，机房如同教育行业的电子教室，对机房的管理如同对教师对电子教师的管理，这就是PC的网络管理，即在线管理，例如初始化多台机器并行OS安装、应用程序安装、硬件管理、使用监控以及报警等管理功能，针对机房PC，专门开发机房管理软件，实现对机房PC的管理；（3）易用性要求，机房PC如同傻瓜PC，在客户端不需要安装、设置，只须开机，满足易用性要求；（4）健康要求：静电、电磁辐射指标、显示器防眩、键盘鼠标抗菌设计及符合人体公学设计。

Thirdly, it collect the ship mechanical accidents of the main Chinese shipping company ,and then sorts them out as four items: equipmentname, typical trouble, monitoring parameters, consequence; uncovers the internal relation among man,machine,circumstance and management, establishes a relation database between condition monitoring and typical trouble for the engine-room equipments ; refering to the SMSC-2000 marine engine-room simulator in Shanghai Maritime University, it divides the engine-room system into eight subsystems, designs the monitoring interfaces which is marked with the monitoring parameters, detects the running engine-room machine by use of trouble analysis and information syncretizing, and builds up the condition monitoring system of engine-room machines.

其次，对近十几年来的国内主要航运企业中的重大船舶机损事故搜集，按设备名称、典型故障、监测参数和后果进行整理、分析和总结；揭示了船舶机损事故中人、机、环境和管理之间的内在联系：以我院的轮机模拟器SMSC-2000参照，把船舶机舱各设备划分为8大系统，确定了标注有监测参数的各系统简图，并运用信息融合和故障诊断技术对机舱重要设备的运行状态进行监测，建立起机舱设备的运行监测系统。再次，提出了以人、机、环境和管理四大安全要素为评估指标，给出了四者间的权重系数计算方法，提出了线性加权综合模型来最终对机舱设备进行安全评估，得出安全等级，指导船舶管理人员进行管理。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。