流性曲 的英文怎麼說

中文拼音 [liúxìngqū]
流性曲 英文
flow curve
  • 流 : 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  1. These diseases detected were esophageal varices, erosive gastritis, bile reflux gastritis, xanthoma, duodenitis, duodenal ulcer, small intestinal cancer, small intestinal angiodysplasia, crohn ' s disease, intestinal polyp, intestinal erosion and congestion, diverticula, colon melanosis and colonic cancer

    檢出了15種病變：食道靜脈曲張、糜爛性胃炎、膽汁返流性胃炎、胃黃色瘤、十二指腸炎、十二指腸潰瘍、小腸腫瘤、小腸血管畸形、克羅恩病、小腸單發及多發息肉、非特異性小腸炎、吸收不良綜合征、小腸憩室、結腸黑病變、結腸癌。
  2. In typical watershed, quxi watershed, the result of external forcing, submerge and migrant, is the resource change of slope cultivated lands, economical forest, vegetation, water, habitant etc. of the ecosystem, and the changes of demand for food supplies, energy resource and education

    移民區典型小流域? ?曲溪小流域，受淹沒、移民2個驅動力的作用，耕地、經濟林、植被、水、棲息地等資源發生了顯著變化，系統的糧食、能源、教育需求也隨之而變，在內在反饋機制的作用下，導致系統輸出為水土流失加劇、生物多樣性受到破壞、土地退化嚴重等。
  3. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象，推導了紊流流場的數學模型，並建立了相應的有限元求解格式，應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析：解算出pcb板上各電子元件的溫度分佈；並提出了用於求解系統風道特性曲線的cfd方法。
  4. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線，實驗結果表明，溫度漲落的中性曲線在低格拉斯霍夫grashof數
  5. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構，在此基礎上，建立了標準振動臺的機械和電氣方程，給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線，列出了不同頻段間的轉折頻率。
  6. It can make the analysis report on the basis of the abstract nation standard. based practical analog analysis in some partial power net, obtain the harmonic oscillation characteristic curve, and verify the software is right

    通過對某局域電網的實例模擬分析，結果表明，獲得了諧波諧振特性曲線，還根據實際測試數據，恢復了電網實際電壓電流波形，驗證了軟體的正確性。
  7. This paper makes a science analysis to power system " s harmonics and harmonic oscillation in partial power net, develop the analysis software of harmonic oscillation characteristic. make use of this software can obtain the harmonic oscillation characteristic curve in a row frequency range, can discover accurately oscillation, can make an in - depth analysis and statistics and renew the realistic curve of voltage or current on the basis of the measured - data

    本文通過對電力系統諧波及局域電網諧波諧振現象的理論分析，設計、開發了局域電網諧波諧振特性分析軟體，利用該軟體可以獲取連續頻域內的諧波諧振特性曲線，發現準諧振區域，而且還能根據實際測試數據，正確統計分析出所要求的參數，同時能夠恢復電網實際的電壓、電流波形，並能根據國家標準自動生成分析報告。
  8. Low error to the time - current curse, high reliability

    時間一電流特性曲線誤差小，產品可靠性高。
  9. When the new ipr is used to direct the design of suction parameters of rod pumping wells, the oil wells can run at the reasonably flowing pressure and the maximal liquid output, which is of important significance to raising economic effects of low permeability oil field

    應用新型油井流入特性曲線指導油井抽汲參數設計，確保油井在合理流壓下生產，可以實現油井產量最大化，提高低滲透油田開發的經濟效益。
  10. Project line vertically up to intersect with the valve characteristic curve and from this point project line horizontally across to the left of the chart and record the percentage of maximum flow rate

    畫出垂直向上的線與閥門特性曲線相交，從這個點畫水平線穿過圖表左側，記錄最大流量的百分比。
  11. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻，著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法，提出了採用電測法並結合電機效率特性曲線測量水泵軸功率，從而避免了損耗分析法中大量復雜的中間過程，滿足了試驗裝置的自動化測量要求；採用漏磁感應線圈法測量電機轉速，彌補了其它轉速測量方法對水下電機測試的局限性，適應了萊恩公司開發潛水電泵的實際需要。
  12. Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines

    文摘:對基於故障分量的采樣值電流差動保護制動特性曲線的整定方法進行了研究，詳細討論了其制動系數和最小動作電流的整定方法，同時對該保護在輸電線路中的應用進行了初步的估算，說明了該保護的優異性能。
  13. Static power convertors ; semiconductor rectifier equipment, examples of characteristic curves for battery chargers

    靜態功率轉換器.半導體整流設備.蓄電池充電器特性曲
  14. The obtained results indicate that the concentrations of reactants in the catalyst layers in front of t he current collectors are very low, that reduce the utility of catalyst ; the current density at the edges of the channels is many times greater than the mean current density

    計算了電池內反應物濃度的分佈、電流密度分佈、甲醇竄流以及電壓-電流特性曲線等。結果表明：集流板前的催化層內反應物濃度非常低；流道邊緣附近電流密度比平均電流密度大許多倍。
  15. Seed, rated current is 6 - 200a, see below sketch

    件，額定電流均為6 - 200a ，弧前時間-電流特性曲
  16. Voltampere characteristic curve

    電壓電流特性曲線
  17. It makes finite element analysis for no - load motor, full - load motor and armature magnetic field singly acting motor, and it gets distributing map of magnetic field and static characteristics curve as different rotor angle and different armature current in a permanent magnet circle for the motor, it analyzes and explains influences of armature magnetic field on the inductance characteristics of windings

    分別對電機空載、負載以及電樞磁場單獨作用3種情況下進行了有限元分析，得出在1個永磁磁鏈周期內不同轉子位置角和不同電樞電流作用下的磁場分布圖以及靜態參數特性曲線。
  18. While the temperature increases the flow curves move down, and it is showed that between 180 and 190 the influence of temperature on the flow behavior is smaller, and the influence of shear rate is smaller

    而溫度的上升導致流變曲線下移，可以認為，在180和190溫度區間內的流動性能相對溫度的影響較為穩定。剪切速率對流動性能的影響變小。
  19. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線的計算，在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響；求出了空載特性曲線和零功率負載特性曲線，在不同的電樞電流下計算得到的波梯電抗不同；求出了功角特性曲線，與不計飽和時的功角特性曲線相比較，功角穩定極限小於90 ；求出無功調節曲線，與不計飽和時相比較， u型曲線向右偏移。
  20. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小，所以它的流道狹長，圓盤摩擦損失較大，效率相對較低；其次由於它的流道擴散較嚴重，易在葉片進口產生迴流和在出口產生脫流，揚程流量特性曲線易出現駝峰，在小流量工況下易產生不穩定現象；第三，由於其功率流量曲線呈現上升趨勢，在大流量區運行時電機易過載。
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