阻力指數 的英文怎麼說

中文拼音 [zhǐshǔ]
阻力指數 英文
drag index
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. Since lots of factors such as pumping blood ability of heart, heart rate, vascular resistance, flexibility of main artery and big artery, body blood capability and hemal physical state can be reflected by blood pressure, it is of great importance to be one physiological parameter for body cycle system enginery

    =血壓是反映心臟泵血功能、心率、血管、主動脈和大動脈的彈性、全身血容量及血液粘滯性等生理參的重要標,是反映人體體循環系統機能的重要生理參
  2. The motion of plunger of oleo damper excited by colored gaussian noise with exponential correlation time is governed by first order nonlinear differential equation

    摘要油液尼器受型高斯色噪聲外激勵時,活塞在油腔內的運動可用一階非線性動學方程描述。
  3. The flame - retardant and mechanical properties of the frp specimens with different fra ratio were investigated. it is shown that the oxygen index of the resin with the ratio of 15wt % of the fra reachs 28. the specimens are quenchable without any outer forces, however, the bending strength of the specimens decreases significantly

    研究了不同燃劑含量frp的燃性能和學性能,結果表明,燃劑加入量為15wt %時, frp氧達到了28以上,使該材料達到自熄級水平,但其彎曲強度下降較大。
  4. Based on the analysis of the dynamic behavior of nanning bridge by means of spatial finite element models, the nonlinear dynamic time history method is used to conduct the sensitivity analysis of the parameters of viscous dampers ( damping constant c and damping exponent ? ) of the bridge and the laws of influence of the parameters on the seismic response thereof have been obtained

    摘要在來用空間有限元模型對南寧大橋動特性分析的基礎上,採用非線性動時程分析方法,對南寧大橋粘滯尼器參尼常c 、? )進行敏感性分析,得出粘滯尼器參對南寧大橋地震響應的影響規律。
  5. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾因子與雷諾的函關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到導的作用。
  6. The time - history method in combination with damper coefficients and their associations was employed to compare and analyze the bridge response results in terms of the inertial forces of key sections and displacement of key positions

    針對不同粘滯尼器尼系以及組合,採用時程分析方法,比較分析了結構主要構件和部位的內及位移地震響應結果。
  7. Clinical value of transvaginal color doppler testing of resistance index of uterine blood circulation in ectopic pregnancy

    經陰道彩超檢測異位妊娠子宮血循環阻力指數的診斷價值
  8. Study on tvcds in testing of resistance index of uterine blood circulation for differential diagnosis of early intrauterine pregnancy and early ectopic pregnancy

    陰道彩超檢測子宮血循環阻力指數鑒別宮內外早孕的研究
  9. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  10. In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying

    本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向、側摩和樁端的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩和端的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參選取,從而為壓灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及導施工提供了依據。
  11. The diagnostic value of renal blood flow resistive index for experimental unilateral partial ureter obstruction

    腎臟血流阻力指數對實驗性單側輸尿管部分梗的診斷價值
  12. From the blood pressure we can know about the heart ' s ability to pump blood, pulse rate, blood vessel ' s resistance, main artery and big artery ' s elasticity, the blood capacity of whole body, blood ' s physical state, etc. so the mesurement of the blood pressure is very importment to clinic diagnose. how ever, how to get the exact and credible blood pressure parameter by the no invasion and economical method is still the problem of the biomedicine field

    心臟的泵血功能、心率、周圍血管的、主動脈和大動脈的彈性、全身的血容量及血液的物理狀態等因素都反映在血壓的標中,所以血壓的檢測在臨床上具有十分重要的意義。而如何用無創、經濟的方法獲得準確、可靠的血壓參仍是生物醫學領域不斷在探索的問題。
  13. On the basis of considering the influences upon the conveyance motion of solid phased particles affected by parameters of motive path of sieve chest, inclination of sieve surface, azimuth of vibration, throwing index and adhesive resistance of well drilling liquid etc., the kinetics equations of conveyance speed and displacement of solid phased particles were established

    在考慮篩箱運動軌跡、篩面傾角、振動方向角、拋擲和鉆井液粘附等參對固相顆粒運移影響的基礎上,建立了固相顆粒運移速度和位移的動學方程。
  14. Using the canonical variable representation ( x, p ), the light - damping oscillator is discussed by the corrected time - dependent perturbation methods of dirac, it is turned out that the energy levels have shift and breadth, and the wave function decaying with time exponentially

    採用正則變( x , p )表象討論輕尼振子,並對量子學含時微擾的狄拉克方法加以修改,得出量子能級有位移和寬度,以及波函出現隨時間衰減的行為
  15. Besides, the result of experimental study also indicates that the relationship between the forward speed of operation on the field of sandy soil and the draft appears exponential relation

    試驗研究表明在砂質壤土中鏟刀作業速度與牽引關系。
  16. According to the the regression analysis on the bloting and shotcreting roadways of henan pingmei group, the regression equation on the degree that absolute grade and area of roadway influence coefficient of frictional resistance is built in the paper. the notable character test of the regression equation is completed. at last, the degree that absolute grade and area of roadway influence coefficient of frictional resistance is discussed and summed up. the practical and guiding sense in choosing coefficient of frictional resistance of congeneric roadways is given in the paper

    通過對平煤集團大量的錨噴巷道的回歸分析,建立了巷道壁面絕對粗糙度和巷道斷面積對摩擦影響程度的回歸方程,並對回歸方程作了顯著性檢驗,最後對巷道粗糙程度和斷面積對錨噴巷道摩擦的影響程度進行了討論和總結,對同類巷道摩擦的選取具有實踐導意義。
  17. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示:鋼渣摻合料能顯著減緩水泥漿體水化速率,降低砂漿的水化溫升並延遲最高溫升時間;補償混凝土收縮,提高混凝土密實度,加強纖維與水泥石的界面粘結,增強混凝土學性能,但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生裂效應,增韌鋼渣防滲抗裂混凝土;增加混凝土的破壞極限能,極大提高混凝土抗彎曲能和韌性,改善混凝土脆性。
  18. With the aid of the method for determining damping ratio in structural dynamic experiment the so called stationarity index is used to estimate the gentleness of the peak ’ s slope

    文中藉助結構動試驗中尼比的確定方法,提出用平穩度來評價單峰點包線函平緩程度。
  19. Results the results showed the blood flow of the infertility patients were thinner than that of normal women, and ri was higher

    結果不孕癥患者子宮卵巢動脈血流纖細、稀少,且動脈阻力指數明顯高於正常。
  20. ( 2 ) the flaws on the one - dimension ( 1 - d ) compressible isothermal average - friction - factor were indicated. a friction factor computation method was proposed, which is not only suitable for compressible flow but also easy to achieve the average wall shear stress

    ( 2 )出關于微管道內已有的一維可壓縮等溫流動的平均確定方法的不足之處,並提出了一種便於實用的可壓縮流動平均的確定方法。
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