hydraulic measurement 中文意思是什麼

hydraulic measurement 解釋
水力測量
  • hydraulic : adj. 1. 水力的,液力的;用水發動的。2. 液壓的,水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • measurement : n. 1. 測量,計量,量度。2. 份量,尺寸,大小,寬度,厚度,深度(等)。3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
  1. Comparing guelph permeameter with double - rings method in soil saturated hydraulic conductivity measurement

    圭夫儀與雙套環測定土壤飽和滲透系數的試驗比較
  2. Measurement of airborne noise from hydraulic fluid power systems and components - method of test for pumps using a parallelepiped microphone array

    液壓動力系統和部件氣動噪聲測量.第6部分:平行六面體傳聲器陣列測試液壓泵噪聲
  3. Standard test methods for measurement of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

    使用撓性壁滲透計測量飽和滲透性材料水滲導性的標準試驗方法
  4. Standard test method for measurement of hydraulic conductivity of porous material using a rigid - wall, compaction - mold permeameter

    使用剛性壁壓縮模式磁導率計測量多孔性材料液壓導電率的標準試驗方法
  5. Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally

    文摘:從理論上和實踐上,對低水頭電站超聲波測流進行了較為詳細的研究,並以某水電站為例,對測流斷面定位、聲路布置和面積積分給出了一般方法
  6. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制,增設旁通管后布置非常緊湊,管道急轉角度大且轉彎距離較小,對于管內水流流態是否滿足要求,需要經過模型試驗進行論證,以確保工程的可靠性。旁通管具有上水與泄水要求,對其過流能力也要經試驗確定,為碧流河水庫增建旁通管設計提供依據。
  7. Magswitch is suitable for many liquid and gaseous media, and is used in vacuum technology pump actuation, refrigeration technology compressor control, gas technology supply monitoring, leak detection, filter monitoring soiling detection, filling level measurement overfilling protection, dry running protection and for many different measuring tasks in hydraulic and pneumatic systems, in mechanical engineering and in building service engineering

    磁控開關適應多種液體和氣體,並應用於真空技術泵啟動,冷藏技術壓縮機控制,瓦斯技術供給控制,密閉性檢查,過濾控制污染探測,填充狀態測量防過滿,防干運行,以及許多水壓,氣壓系統的測量任務,還有機械工程,屋宇設備工程中。
  8. Hydraulic fluid power. fluids. measurement of filtrability of mineral oils

    液壓流體動力.流體.礦物油可過濾性的測定
  9. Hydraulic fluid power. fluids. measurement of filtrability of hfc and hfd class fire resistant fluids

    液壓流體動力.流體. hfc和hfd類防火流體的可過濾性測量
  10. Methods of test for soils for civil engineering purposes - consolidation and permeability tests in hydraulic cells and with pore pressure measurement

    土木工程用土壤試驗方法.第6部分:在液壓壓力盒內並且用孔隙壓力測量進行固結和滲透率試驗
  11. Code for field measurement of vibrations and pulsations in hydraulic machines

    水力機械振動和脈動現場測試規程
  12. Hydraulic load cells ring form for compression force measurement

    液壓環形壓縮力測力計
  13. Tecsis hydraulic load cells for compression force measurement

    Tecsis液壓環形壓縮力測力計
  14. Road testing. measurement of the rate of hydraulic binders and additives in the cementitious materials. part 1 : chemical method for the determination of the cement content in a new mixed material

    道路試驗.粘結性材料中水壓粘合劑和添加劑比率測量.第1部分:新混材料中膠接劑含量測定的化學方法
  15. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  16. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制系統,該系統具有穩定可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  17. Measurement of dynamic stress for the vane of hydraulic turbine at yantan power station

    巖灘水電廠水輪機轉輪動應力測試
  18. A ptv system was developed which allows particle velocities across a flow plane to be measured at a single instant. ptv presents a new efficient technique in hydraulic measurement

    該系統具有可靠的精度,能同步量測全剖面的顆粒瞬時運動信息,為懸移質運動量測提供了嶄新的技術手段。
  19. At first the design scheme of the test system of electro - hydraulic servo valve based on virtual instrument was proposed. according to this design scheme, the hydraulic test unit and measurement unit were developed

    本文首先在介紹電液伺服閥特性和測試遠離以及虛擬儀器技術的基礎上,提出了基於虛擬儀器的電液伺服閥測試系統設計方案,以此方案研製了測試系統的液壓試驗單元和測控單元。
  20. Virtual instrument and its application in hydraulic measurement system based on usb

    的虛擬儀器及其在液壓測試系統中的應用
分享友人