測壓點 的英文怎麼說

中文拼音 [diǎn]
測壓點 英文
pressure tapping
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 壓構詞成分。
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  1. Single range voltmeters are normally calibrated at cardinal points ( maximum 10 test points ). for multi - range voltmeters, the basic calibration will include measurements at full ranges and linearity check at 5 voltage levels for one range. linearity check for other ranges can be offered at extra cost

    單量程電表一般以基(最多十個)進行校正;多量程電表的基本校正則會包括全量程量及按五個電量位為一個量程進行線性檢查。
  2. Seven test points enable a check of the output voltages and currents, by supplying proportional voltages relative to gnd

    七個通過對地的比例電能夠間接量出輸出的電和電流。
  3. The result of the study testifies that the kindling temperature of lumps and scraps of pure magnesium is decided by their fusion temperatures ( the higher the fusing temperature, the higher the kindling temperature ), and influenced by the heating velocity and the pressure of oxygen in the atmosphere ( the faster the heating and the lower the pressure, the lower the kindling temperature obtained from the experiment )

    研究結果表明,所塊狀純鎂和鎂屑的燃與其熔有直接的對應關系(熔高則燃也相應增高) ,並受升溫速度、環境中氧的分的影響(升溫速度越快、氧的分越小,則所值越高) 。
  4. Firstly, based on the analysis of the principle of the capacitor discharge ignition system in the gasline engine and the characteristics of ignition parameters in the gasline engine, the author proposes the methods of ignition parameters measurement, including the speed of the gasline engine, ignition advance angle, ignition voltage, ignition current and igniton energy

    首先,在認真分析汽油機電容放電火系統的工作原理及其火參數的特性的基礎上,提出了汽油機轉速、火提前角、火電火電流和火能量的量方法。
  5. For more than a hundred years, the method of plastic deformation for measuring pressures has been the main means to test the chamber pressure of conventional weapons because of its advantages of reliability, convenience and low price

    塑性變形法具有工作可靠、使用方便、成本低廉等突出的優,一百多年來,一直是常規武器膛檢驗的主要技術手段。
  6. Seven test points are available, which provide a low voltage proportional to the five electrode voltages, as well as to the photocathode and the getter currents ( see chapter 5 )

    七個可以提供一個與五個電極電和光電陰極電流及離子泵電流成比例的低(看第5章) 。
  7. The instrument can detect all kinds of steam, diesel engine start - up performance, high - voltage ignition performance, fuel injection performance, rechargeable performance, dynamic performance, service gas phase, abnormal sound engine vibration analysis more than 30 kinds of technical parameters, and analyze the causes for the failure, the detection process, may at any time and waveform display various technical parameters and results can be random print, the machines are more than 100 kinds of domestic and foreign memory engine technical parameters, it is rich in content and the test results can be readily compared

    該儀器可檢各種汽、柴油發動機的啟動性能、高火性能、燃油噴射性能、充電性能、動力性能、配氣相位、發動機異響震動分析等30餘種技術參數,並分析故障產生的原因、檢過程中,可隨時顯示各種波形及技術參數和結果並可隨機列印,該儀器內存有一百多種國內外發動機技術參數,內容十分豐富,隨時可以與檢結果對比。
  8. The direct optimal model of multi - objective mixed discrete variables for lager - scale water supply system was established, by replacing complicated network hydraulic equation with nodal pressures macroscopic model and relationship model between pump stations flow and head in water supply systems without tanks or towers, genetic algorithm was developed to solve the direct optimal model

    測壓點力宏觀模型、水源供水量和水源供水水頭之間的關系模型替代復雜的管網水力平衡方程,建立了大型供水系統的多目標混合離散變量的直接優化調度模型。在沒有水池和水塔的供水系統中,利用遺傳演算法對直接優化調度模型進行求解。
  9. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型,實某一工況下西寧市配水管網部分節h _ 0 、各水源供水量(管段摩阻已知)分別用優化選擇的測壓點和按經驗選擇的測壓點估計所有節的水,對西寧市配水管網進行了狀態估計。
  10. Two transducers b and c, which record the time when the shock wave front arrives, are placed on both sides of location ( a ) with equal distance, the average shock wave speed at location ( a ) can be calculated from the distance b to c and the time that the shock wave needs to travel from b to c. all the tested signals are stored on a pint - sized system of independent function

    同時的方法是指在取沖擊波力-時間曲線的同時,在被前後等距離處分別安裝力傳感器,記錄沖擊波上升前沿到達的時刻,通過時間差來獲取被處沖擊波的平均速度。所有的試信號都被記錄在同一個小型的、能獨立工作的試系統中。
  11. Optimal algorithm of pressure measurement node layout in water distribution network

    給水管網測壓點的一種優化布置方法
  12. Pressure tapping points on either side of the seat provide the means for flow measurement

    閥座兩側的測壓點提供流量量的方法。
  13. A modified svm model was proposed and implicit function relationship between nodal pressures and pump station flow, pump station head was established based on modified svm model

    本文提出了一種改進svm演算法,並基於該演算法建立了測壓點力和泵站流量、水頭之間的隱式函數關系。
  14. At the same time, its precision is obvious well than experiment one. square root of the average of the square summation of the difference between all estimated node water pressure h * and all real node water pressure h0 is 2. 04m in xi ' ning network

    計算表明,模糊聚類選擇的測壓點具有較好的代表性,估計的40個節值與實值誤差的方均根為2 . 04m ,估計精度較高,能滿足管網模擬的要求。
  15. Then the most representative node in each group is selected as the locality for setting pressure measure apparatus. the pressure measure points in xi ' ning are optimized and selected by this way. there are 32 measure points which will be setted in the network ( 16 setted )

    本文利用模糊聚類方法,對影響系數加以分析將具有相同水變化規律的節劃歸為一組,最後在每組中選擇最具代表性的節作為測壓點,從而優化選擇了西寧市給水管網測壓點
  16. The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge

    針對時用水量預模型,採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預方法,其中數種方法預精度達到工程要求。實踐結果表明,開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態,而且建模所需成本低,運行速度快,省時省力,主要研究了管網宏觀模型的建立方法,分析測壓點布置原理並編製程序。
  17. Practical application of pvdf pressure sensors is the core of this paper

    本文重開展pvdf技術的實際應用研究。
  18. This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic

    本文以金奧大廈及其鄰近建築作為研究對象,首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中,運用建築表面動態技術獲得金奧大廈表面的時均風系數和均方根風系數,繪制時均風系數和均方根等值雲圖並分析其分佈的規律和特
  19. To set up reasonable designing and manufacturing techniques and accurate calibration system and to speed up forming the native pvdf pressure sensors is the direction of this project. first, based on the piezoelectric theorem, the theoretic support of pvdf pressure sensors is deduced. according to purposes of practical projects, special purpose sensor configurations are designed and the corresponding calibration system based on shpb ( split hopkinson pressure bar ) technique is built in succession

    本文從電材料的一般電控制方程開始,導出了pvdf電薄膜技術的相關論據;根據試目的以及被結構的特,設計了多種夾心式的傳感器構造形式;摸索出了一套基於國產pvdf電薄膜製作力計的加工、安裝工藝;建立了一套基於系統集成技術的多pvdf試的數據採集、處理系統;建立了一套基於shpb技術、適用於實際工程應力范圍的pvdf力計的動態標定方法,並對兩種厚度的國產pvdf電薄膜進行了標定。
  20. Because the microscopic model needs the distinct structure relation, the numerous input data and the long time of computing, the macroscopic model was used. after analyzing methods for the nodal pressure, the corresponding optimal program was drawn up

    由於微觀模型要求拓樸結構關系清楚,所需輸入數據多,計算耗時長,所以根據實際情況建立了管網的宏觀模型,針對宏觀模型的特,分析了測壓點數目和位置的確定方法,進而編制了計算機優化程序。
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