performance curve 中文意思是什麼

performance curve 解釋
工況曲線
  • performance : n. 1. 執行，實行，履行；完成；實現；償還。2. 行為，動作，行動；工作。3. 性能；特性。4. 功績；成績。5. 演奏；彈奏；演出；（馴獸等的）表演；把戲。6. 【物理學】演績。
  • curve : n 1 曲線；彎曲；彎曲物。2 曲線規 （＝French curve）；【機械工程】曲線板；【棒球】曲線球；【統計學...
  1. The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0. 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve

    整個旋轉總裝都應該具有足夠的硬度，在泵性能曲線最好性能的正負40 %的范圍內，在所有工作點，最大的軸偏差限制在0 . 002英寸內。
  2. Thermal character of the exchanger was simulated during the frost time, considering both the frost model and the fan - coil performance curve under the engineering situation

    將結霜模型和風機性能曲線聯合起來考慮，在更加切合實際的情況下，模擬了換熱器在結霜工況下的熱力性能。
  3. According to pump performance curve shown we can get that the distance h is changed with the rotate speed n in the same point q, and the flux q is changed with the rotate speed n in the same point h. from the curve we can get the rule that the distance and rotate speed are in direct with ratio at the same flux point, and the rotate speed and the flux are also in direct with ratio at the same distance point

    根據相似定律：流量與轉速的一次方成正比；揚程與轉速的二次方成正比；功率與轉速的三次方成正比。即在降低轉速，調低水泵出水揚程的同時，功率下降的幅度非常大，從中可以節省相當大的電能。完全應在高水位時降低水泵機組轉速，從而使電機的輸出功率隨著轉速下降值與轉速原值商的三次方關系下降。
  4. This material has the ability in humidity absorbing and releasing and evaporate cooling. through theoretically analysis on this new building material - porosity moisture - conditioned material, a testing equipment is set up, the performance curve of the moisture - conditioned material ability in humidity absorbing and releasing and evaporate cooling is obtained, meanwhile, porosity moisture - conditioned material ' s validity to building energy efficiency design is proofed

    在分析這種新型建築材料多孔調濕材料的理論分析基礎上，搭建了測試風道並進行了實驗研究，得出了調濕材料的自動吸放濕能力及蒸發冷卻性能曲線，證明多孔調濕材料對于建築節能設計的有效性。
  5. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  6. The intake lag angle of the engine is optimized, and the dynamic effects of intake pipes and exhaust pipes to the improvement of motorcycle engine is applied to make the engine test performance curve approach the simulation curve

    本文介紹了從進氣晚關角及進排氣的動態效應幾方面著手，不斷改進發動機的配氣相位以及進排氣系統，使發動機的實際性能曲線逐步接近計算機模擬曲線。
  7. To tune up the frequency of power supply by the transducer in the system, this adjusting make the speed of electromotor and performance curve of pump change. at last, it make the status of a pump alter

    在變頻調速恆壓供水系統中，單臺水泵工況的調節是通過變頻器來改變電源的頻率f來改變電機的轉速n ，從而改變水泵性能曲線得以實現的。
  8. Making use of many layers composite technique and heat press technique to make artificial skull, through a series of performance testes ( including elongate performance, compress performance, curve performance, concussion performance, lay cut performance, concussion cut performance ), making use of drainage method to calculate its average density, which is 1. 25kg / m3, and combustion method to calculate its content of macromolecule, which is 57. 7 %

    利用多層復合技術和模壓技術制備來的人工顱骨復合材料，通過對其一系列性能測試（包括拉伸性能、壓縮性能、彎曲性能、沖擊韌性、層間剪切強度和沖擊剪切強度等） ，證明了該復合材料具有良好的物理機械性能。採用排水法計算復合材料的平均密度為1 . 25kg m ~ 3 ，採用灼燒法計算復合材料的含膠量為57 . 7 ，證明該復合材料比強度較高。
  9. The article expatiates the framework of dmc - 701 which includes the selection of hardware, the module of data collection, the art of software designing, the evaluation of diesel engine performance, curve plotting, the system central around a industry computer, all the signals was put into the computer through circuit interface card

    該系統以置於控制櫃中的專用工業控制計算機為核心。柴油機各種溫度、壓力、流量、轉速、扭矩等信號都經過接線端子板進入計算機，油耗儀和大屏幕顯示信號通過通訊口接入控制機。
  10. The performance curve was acquired at the pump operating speed of 1200rpm. piv was applied to the measurements of the flow fields in the unshrouded centrifugal pump. during the measurements, three operation points of the pump were taken

    本文應用piv測試技術，分別在1 . 4 、 1 . 0和0 . 6倍最優流量的工況下，對半開式離心泵葉輪內部流場進行實驗研究。
  11. The problem of the digitalization of turbine model ' s characteristic curve is discussed for the requirements of turbine performance curve drawing automatically

    摘要從自動繪制水輪機運轉綜合特性曲線出發，探討了水輪機模型特性曲線的數字化的問題。
  12. These means have following defects : i. parameter controls is too simple that will fit the curve too roughly and can ’ t give the configuration and characteristic of surge curve very good ; ii. the performance curve will change a lot when working condition changes, especially when woring temperature changes ; iii. choking area will bring huge waste and is an area that the system oughts to avoid, but we haven ’ t corresponding methods to watch and control it in the domestic till now

    這些措施具有以下缺點: 1 、控制參數過于簡單，對曲線的擬合過于粗糙，不能很好的反映喘振曲線的形態和特點; 2 、當工作條件變化時，特別是工作溫度有所變化時，性能曲線會發生很大變化; 3 、阻塞區會造成巨大的浪費，也是系統該避免的區域，可是目前國內還沒有相應措施來監控它。
  13. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來，採用國內最先進的生產流水線，工藝精湛，其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法，百分之百達到設計要求，是功率半導體器件的配套散熱元件，運用於多種大、小功率電器熱流高密度、整機設備、電子，電器等領域。
  14. The method of describing the esp practical performance curve with its characteristic parameters has been provided with head and energy consumption on the basis of the characteristic analysis on the esp

    摘要從潛油電泵的理論特性出發，通過對潛油電泵壓頭及其能耗分析，提出了用特徵參數表徵潛油電泵實際工況曲線的方法。
  15. For the first time, flight simulation related to high span - chord ratio uav based on variable windfield is executed, the facticity of windfield and its influence to flight performance curve are analyzed. 5

    首次針對大展弦比無人機，進行變化風場中飛行模擬，討論各風場模型的真實性及其對飛行性能曲線的影響； 5
  16. Considering the esp operating condition and the character of produced fluid, the calculation method of practical conditions and parameter is determined with five characteristic point data of esp performance curve

    採用潛油電泵清水特性曲線上的5個特徵點，考慮潛油電泵的運行情況、產出液的特性等參數，建立反映潛油電泵實際工況參數和曲線的計算方法。
  17. 4 an anonymous web browsing system is proposed and implemented based on group signature scheme. we also present the performance curve and security analyses of our system

    4採用改進的群簽名技術設計並實現了一個匿名web瀏覽系統，並給出性能分析曲線和安全性分析。
  18. Certified performance curve

    廠方出證的性能曲線
  19. According to the relationship between material fatigue performance curve and concerned parameters in fracture mechanics, the relationship between fatigue life and crack half length is obtained, that is equivalent crack length of fatigue life. the function relationships between these two aspects are constructed. the experiment data show that this method can express the same character of fatigue life of all kinds of materials and experiment data acquired from different materials can be used each other

    通過材料力學疲勞性能曲線和斷裂力學之間有關參量間的演變關系，得到了疲勞壽命與裂紋半長的關系，即疲勞壽命的折算裂紋長度，建立了兩者之間的函數關系並利用這個函數關系說明了疲勞壽命的切線模量因子法，能反映各種材料疲勞壽命的共同變化規律，試驗數據可在不同材料之間互相參考使用，具有重大意義。
  20. Reason for centrifugal pump performance curve hump and the elimination method

    離心泵性能曲線產生駝峰的機理及消除措施
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