泵

To reduce the absorbing non-homogeneration of the gain medium in a single-end high power pump, a double end-pumped fold cavity structure is applied.

为了减少单端高功率泵浦造成的增益介质吸收不均匀性，采用双端泵浦折叠腔结构。

Single-Screw Pumps is an enclosed screw pump with inner gearing, a kind of rotor positive-displacement pump. As this kind of pump is characterized by being adaptable for the medium, stable flow, good suction performance and small pressure pulsation, it can transfer very viscous media or those containing hard suspended or solid grains or fiber apart from various flowing media. Besides, it boasts good adjusting performance, wide range and high efficiency. Therefore it is widely applied in various industries like environmental protection, shipping, petroleum, pharmacy, household chemical, food, brewage, construction, mining, chemistry, printing, paper making, power plants and boilers.

型单螺杆泵是一种内啮合的密闭式螺杆泵，属转子式容积泵，由于这种对介质的适应性强，流动平稳，吸入性能好，压力脉动小，除可以输送各种可流动的介质外，还可以输送高粘稠介质、含有硬质悬浮颗粒或固体颗粒的介质、含有纤维的介质，调节性能好，范围宽，效率高，因此，在环境保护、船舶、石油、医药、日化、食品、酿造、建筑、采矿、化学、印刷、造纸、电厂、锅炉等各种行业得到广泛应用。

G Single-Screw Pumps is an enclosed screw pump with inner gearing, a kind of rotor positive-displacement pump. As this kind of pump is characterized by being adaptable for the medium, stable flow, good suction performancesmall pressure pulsation, it can transfer very viscous mediathose containing hard suspendedsolid grainsfiber apart from various flowing media. Besides, it boasts good adjusting performance, wide rangehigh efficiency. Therefore it is widely applied in various industries like environmental protection, shipping, petroleum, pharmacy, household chemical, food, brewage, construction, mining, chemistry, printing, paper making, power plantsboilers.

上海帕特泵业制造有限公司产生的G型单螺杆泵是一种内啮合的密闭式螺杆泵，属转子式容积泵，由于这种对介质的适应性强，流动平稳，吸入性能好，压力脉动小，除可以输送各种可流动的介质外，还可以输送高粘稠介质、含有硬质悬浮颗粒或固体颗粒的介质、含有纤维的介质，调节性能好，范围宽，效率高，因此，在环境保护、船舶、石油、医药、日化、食品、酿造、建筑、采矿、化学、印刷、造纸、电厂、锅炉等各种行业得到广泛应用。

Running faulty and type selection process are introduced for the slurry pump in phosphoric acid tank area, summarization is made for type selection of slurry pump, as well as for application effect after its reformation; by means of reformation for coupling of single screw pump imported, running rate is increased by 1%, phosphoric gain rate is increased by 3%.

介绍磷酸罐区泥浆泵的运行故障和改型过程，总结了泥浆泵选型及改造后的使用效果，通过对进口单螺杆泵联轴节的改造，运转率提高1％，磷酸装置磷得率提高3％。

In view of this actuality,a new type anchor especially for screw pumps is designed,and its mechanical structure and working principle are discussed.

针对东辛油田采用Y221-115型封隔器总成在螺杆泵生产中存在坐封难度大，坐封不可靠、检泵周期短等现状，设计了一种新型的螺杆泵专用锚定器，简述了其结构及工作原理。

Just as its name implies, self-priming pump doesnt need priming water before start. After a short time of running, water is absorbed by pump itself for normal operation.

产品概述：自吸泵顾名思义，就是泵起动前不需引灌水，经短时间运转，靠泵本身的作用，把水吸上来，投入正常运转。

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。

Radiation from a fiber coupled diode (core diameter 0.4 mm, N.A. 0.3) is coupled into Tm5% at.,Ho(0.5% at.∶GdVO4 crystal by a pair of achromatic lens for end pumping. Output power of 3.6 W at 2.048 μm is obtained under pump power of 14 W and emission wavelength of 794 nm. The optical-optical conversion efficiency is 25.7% and slope efficiency is 26.6%.

在液氮制冷晶体条件下，利用光纤耦合激光二极管及消色差光学耦合系统端面泵浦双掺5％Tm，0.5％Ho∶GdVO4晶体，在泵浦功率14 W、泵浦波长794 nm时，实现了2.048 μm激光输出，连续运转输出功率3.6 W，相应的光光转换效率为25.7％，斜率效率26.6%。

The laser optically pumped cesium magnetometer is a magnetic measurement instrument that is used to measure the absolute total intensity magnetic field, it is based on that the energy levels of cesium atoms in a magnetic field produces Zeeman effect and makes use of the principle that laser pumping and the RF magnetic field produce magneto-optical double resonance to make.

激光铯光泵磁力仪是一种用来测量磁场总强度的绝对磁测仪器，它是以铯原子的能级在磁场中产生塞曼效应为基础，利用激光泵浦和射频磁场产生光磁双共振的原理而制成的，激光泵浦铯原子是磁力仪结构的核心部分。

Operating principles and the basic structure of superconducting electromagnetic pumps and MHD power devices which ...

文中阐述了系统中超导电磁泵和磁流体发电装置的基本结构与工作原理，分析了系统的优缺点，并对超导电磁泵压循环系统进行了初步的可行性论证，最后对超导电磁泵压循环系统的应用前景进行了分析和论述。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷