流速積測法 的英文怎麼說

中文拼音 [liú]
流速積測法 英文
integration method of velocity measurement
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監有助於提高鍋爐燃燒的安全型、經濟性,也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量量裝置能夠實現對鍋爐送風的精確量,精度可達。本文首先研究鍋爐送風矩形大管道量理論,提出在點布置基於「對數-切比雪夫」度-面
  2. Measurement of fluid flow in closed conduites. velocity area method using pitot static tubes

    密封管道中液體量的量.用皮托靜壓管的度面
  3. Measurement of fluid flow in closed conduits. velocity - area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    密封管中量的定.用電表或靜壓皮託管量圓管道內迴旋或不對稱量的度-面
  4. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體建立了湖泊二維水力學計算模型預疏浚工程實施后的水位、量、場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  5. In the paper quantitative analysis is done by high performance liquid chromatography to crude anthracene and the separated products, and the hplc conditions : inspected wavelengh : 254nm ; flow velocity : lml / g ; the volume ratio of the methanol / water solution : 81 / 19 ; and inspected temperature : room temperature

    本文用高效液相色譜( hplc )對粗蒽及分離以後的產物進行了定量分析, hplc的分析條件為:檢波長: 254nm ;甲醇水溶液的體比81 19 ;: 1ml g ;檢溫度:室溫。
  6. The authors compared longitudinal measurements of forced expiratory flows by the raised volume rapid thoracic compression technique in the first and the second years of life for 26 healthy infants born prematurely vs 24 infants born at full term

    作者比較了26個健康的早產兒和24個足月的嬰兒的縱向量力呼氣量,分別在他們一歲和兩歲的時候,通過快胸加壓產生的體來進行定。
  7. Standard test method for open - channel flow measurement of water by velocity - area method

    度面量明渠水量的標準試驗方
  8. After studying a lot of documents, we present a speed - estimating method for direct torque control system. this method is based on the theory of dtc, but it takes advantage of the convenient of both the theory of dtc and the theory of foc. we need only to sample the stator ' s current to estimate the speed of the rotor, at the same time the integration of the voltage is avoided

    在研究大量文獻的基礎上提出了一種適用於交電機dtc控制系統的轉計算方,該方以dtc控制為中心,結合dtc和定子磁場定向和轉子磁場定向各自的特點,綜合利用各自的有利之處,只需量定子電,避免了對電壓分,思路清晰,計算簡單。
  9. Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details

    文中首先根據達西定律建立了滲透率量的理論模型,深入研究了不同的試方及主要工藝參數(纖維織物織構、纖維體含量、充模壓力、度、樹脂粘度)對滲透特性的影響規律,發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式,預成型體孔隙分佈及其體分數、壓實性對滲透率有較大的影響,提高充模壓力和度可以縮短充模時間,在一定程度上可以提高滲透率。
  10. Measurement of liquid flow in open channels - velocity - area methods

    明渠液體量.度面
  11. Liquid flow measurement in open channels. velocity area methods. collecting and processing of data for determination of errors measurement

    明渠液體量的量.度-面.誤差量數據的收集和處理
  12. And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05

    整個系統採用閉環控制結構,使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動電路,可以方便的調節通過tec電的大小和方向,使tec加熱製冷靈活迅的特點得到充分發揮;使用比例分( pi )的控制方使得溫度控制快穩定;同時,本文還實現了溫控儀與上位機通過串列口和usb口兩種方式的通訊,實現了上位機對溫控儀的遠程控制;最後,對所研製的半導體溫度控制儀進行了性能試,試結果表明,半導體溫度控制儀溫控精度達到0 . 2 ,溫度穩定度小於0 . 05 ,滿足了系統設計的要求。
  13. This paper analyses, compares and researches the measurement of solar array deeply. the system takes advantage of a new measurement of solar array that samples the signal of voltage and current continually during charging capacitor by solar array to redraw the i - v characteristic of solar array. this method can test the i - v characteristic of solar array conveniently and quickly in contrast with the traditional method

    針對太陽電池陣列的試方,本文進行了詳細的分析比較和探討,系統採用一種新型的電容動態充電方式對太陽電池陣列進行特性試,該方是通過檢太陽電池陣列對電容的充電過程中電、電壓的變化數據,重現光伏陣列的i - v特性,採用這種方式可以快而方便的量太陽電池陣列的i - v特性,具有體小、重量輕等特點,克服了傳統現場試方的弊端。
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