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In the reciprocating pump, the suction valve and exhaust valve is a very important component and is vulnerable parts of their work a direct impact on the limit pressure reciprocating pump, extraction rate, power consumption, as well as the reliability of operation.

在往复泵中，吸气阀和排气阀是非常重要的部件且是易损部件，它们工作的好坏直接影响往复泵的极限压力、抽气速率、功率消耗以及运行的可靠性。

Based on the study of the patent, a new variable displacement of double-action vane pump was discussed, which consists of floating blocks. The pump belongs to an automotive hydraulic power steering system, and prosperous utilization is expected.

平衡式变量叶片泵是一种基于专利技术的含有浮动块的断型容积式叶片泵，该泵应用在汽车转向助力泵等工况，是一种较有应用前景的新型叶片泵。

Mud-pump is one of the major facilities of the dredger and the wear-life of the pump shell,leaves and linings are short.

泥浆泵是挖泥船的主要设备之一。其泵壳、叶轮和衬板由于磨损寿命较短。

The absorbing height of pump will be used in conquering the losses of speed head and distance head and the relative installed height of the pump,as well as the both sides pressure difference of drill stem produced to carry the .

泵的吸程将用于克服速度水头损失、沿程损失、泵的相对安装高度和携带钻渣时所产生的钻杆内外压差。

Curtain plate stainless steel plate, spray nozzle for the spray nozzle to capture, exhaust fan with explosion-proof fan.3, chamber body assembly plate connection between the use of bolts, installation, removal, fast and convenient.4, configuration, special explosion-proof spray room lighting, interior lighting sufficient light.5 mist treatment with water curtain, shower folding capture plus maze can efficiently remove the paint mist.6, circulation pump with an area of small, simple installation and pipeline pumps.7, Room δ1.5mm steel and steel body is made of.8, dust chamber body is made of EPS board, has entered out.9, water curtain spray booth technical parametersNo Item ParametersA flow rate (m3 / h) 90002 Power 43 pump power 34 open wind speed 0.6-0.75 Compressed air consumption (m3/min) 0.36 lamp illumination 400Z-7 nozzle8 Painting Room: Dimensions 2500 × 2400 × 26009 Dust Room: Dimensions 2500 × 1800 × 3400Note: Manual spray system uses 你好gh-quality brand-name products in Taiwan.6, leveling RoomLeveling effect of room to spray paint surface after the paint on the share level, and to a number of solvent evaporation in order to prevent baking too quickly appeared in the film pinhole.1, Room body is made of welded steel and steel plate.2, chamber body wall windows with transparent glass observation and maintenance of the door.3, chamber body with the top emission device, keeping indoor air fresh.4, room spray processing site in vivo, uniform color, elegant appearance.3, the consolidated statementa, baking oven is designed to bridge Road.

没有碰到水帘的漆雾由水帘下部进入喷漆室的后部，由喷嘴喷出的水雾冲洗、迷宫折板过滤及折板上的喷淋系统三次过滤后，废气经风机排至大气中，布局特点如次：一、设置双工位水帘喷漆室。二、槽体采用型钢及Q235钢板制作，板厚4mm。水帘板为不锈钢板，喷淋捕捉喷嘴为雾化喷嘴，抽风机采用防爆型风机。3、室体拼装板之间采用螺栓连接、安装、拆卸、迅速，便捷。四、配置喷漆室专用防爆照明，内部采光充足、明亮。5、漆雾处理采用水帘、喷淋捕捉加迷宫折板，可高效去除漆雾。6、轮回泵采用占地少、安装简略的管道泵。7、室体采用δ1.5mm钢板与型钢制作而成。八、防尘室体采用EPS板制成，设有出进门。9、水帘喷漆室技术参数序号项目参数1 处理风量（m3/h） 90002 功率 43 水泵功率 34 开口风速 0.6-0.75 压缩空气耗量（m3/min） 0.36 照明灯照度 4007 喷嘴 Z型8 喷漆室：外形尺寸 2500×2400×26009 防尘室：外形尺寸 2500×1800×3400注：手动喷漆系统采用台湾优质名牌产品。六、流平室流平室的作用是使喷漆后喷在工件表面上的漆铺平，并使溶剂挥发一些，以防止烘烤过快而在漆膜上浮现针孔。一、室体采用型钢与钢板焊制而成。

And simulating models of the liquid instantaneous pressure in the pump barrel and the pump dynamometer were established.

从而建立了泵筒内液体瞬时压力与泵示功图的仿真模型。

In this research, we report the development and experimental results of a single cell electroporation lab chip via the integration of dielectrophoresis manipulation and AC electrokinetic pump. Both dielectrophoresis force and AC electrokinetics pump are incorporated in this micro-chip for the target of single cell electroporation.

在这篇论文研究中，我们设计一利用介电泳力(Dielectrophoresis， DEP)达到细胞操控并且整合交流电动式微帮浦之微生医实验室晶片，提供单一细胞电穿透的生医应用。

This paper introduces the development and classification of the heat pump, the elementary principle, evaluable target and the p-h chart of the mechanism compressive heat pump; It points out the necessity to design the computer program of refrigeration medium"s thermal character, offers the elementary equation, calculating formula, calculating method and the program frame to calculate the refrigeration medium"s thermal character.

本文根据油田生产实际，研究了油田生产中应用热泵的可行性，给出了具体的设计计算方法及热泵技术在大庆采油二厂南十联合站的应用实例。

Working pressure of water pump was configured 3.5MPA ex factory, random adjustment of expansive pressure is not allowed, to avoid damaging to high pressure water pump as the change of working condition.

膨胀器用水泵出厂时工作压力已经调好3.5MPA，用户不应随意将调节调高，避免高压水泵因工作状态改变受到损害。

In order that pump runs in reason, for slurry pump with expeller seal combined with packing, axial gap seal of impeller should be regulated in good time.

为使泵合理运行，对于付叶轮加填料组合式渣浆泵，应及时调整叶轮的轴向间隙密封。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。