阻力常數 的英文怎麼說

中文拼音 [zǔlìchángshǔ]
阻力常數 英文
resistance constant
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 力 : 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...
  • 數 : 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; ...
  1. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應變固結模型，考慮初始有效應力沿深度變化，忽略井阻和豎向排水固結的影響，應用平均孔隙比與平均有效應力的對數關系，建立砂井非線性徑向排水固結的分層計算模型，並求得常荷載作用下的徑向排水固結解析解。
  2. The result of orthogonal experiment and secondary regression experiment on the bionic disk plows indicates that the bionic non - smooth partial sphere structure cell can decrease resistance by almost 30 % than common plow in the condition that the structure and distribution combine rationally. therefore, the bionic design and experiment research on disk plows is very significant

    仿生圓盤犁刀的正交試驗和二次回歸試驗結果分析表明，如果圓盤犁刀的仿生非光滑球冠結構單元的結構參數和分佈組合搭配合理，仿生圓盤犁比普通圓盤犁可減少阻力約30 ，因而本文對圓盤犁刀進行仿生設計與試驗研究是非常有意義的。
  3. 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力特性分析的基礎上，採用非線性動力時程分析方法，對南寧大橋粘滯阻尼器參數（阻尼常數c 、阻尼指數? ）進行敏感性分析，得出粘滯阻尼器參數對南寧大橋地震響應的影響規律。
  4. In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction

    在研究過程中，採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙系統進行了綜合診斷，具體結果包括如下： （ 1 ）完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試，結果發現：鉛塔燃燒室內水平方向的煙氣溫度並非均勻，而且其溫差比上下方向的溫差更大，以及鉛塔燃燒室尾部存在co未燃燼問題； （ 2 ）為了保證鉛塔煙氣系統的正常工作，對煙道系統的阻力進行了理論計算及測試分析，結果發現：鋅精餾鉛塔煙氣系統中煙囪抽力不夠，這主要是煙道結構不合理所造成的。
  5. 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力的研究」 ，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力、側摩阻和樁端阻力的分佈和發揮規律；二是在討論現行規范對嵌巖樁承載力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阻和端阻的計算方法，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，提出了相應的參數選取，從而為壓力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指導施工提供了依據。
  6. As with conventional ships, the methods of model experiment, theoretical analysis and numerical calculation are applied to predict the resistance of swath

    和常規船型一樣，預報swath船型的靜水阻力可採用船模試驗、理論和數值計算方法。
  7. The radiation condition is satisfied numerically with collocation points shifting upstream. as applications of the method, flow around a 3 - d body, the wave pattern and wave resistance of a ship are solved. the encouraging numerical results are achieved

    本文運用該方法計算了三維物體的繞流、興波波形和興波阻力，給出了wigley 、數學swath船型定常直航運動時的興波波形和興波阻力，其結果與實驗結果、理論結果進行了比較，結果比較令人滿意。
  8. Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance

    本文通過實測的各種數據，分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析，進一步探討大機作業對無縫線路穩定性的影響，研究大機作業引起的鎖定軌溫的變化規律，確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段，同時對大型養路機械作業中應注意的問題提出合理化建議，為大型養路機械作業提供更高的安全保障，進一步提高大機作業效率。最後，對工務段在大機作業中的配合制定完善的施工組織措施及作業標準，使大機作業在養護維修中發揮更大的作用，為工務段日常的養護維修減少工作量，提高勞動效率，降低維修成本。
  9. In theory, the noise elimination capacity is calculated by the method which the characteristic equation of noise elimination of the dissipative silencer is translated into the constant differential eguation. and the project simulates and calculates the distributing thing of interior velocity of flow by the finity element

    在理論上，採用了將阻性消聲器的消聲量特徵方程轉化為常微分方程的計算方法計算消聲量；在計算阻性消聲器的阻力損失時，運用了有限元數值模擬的方法模擬計算了簡化消聲器模型內部流場流速的分佈情況，並由此得到其動態阻力損失。
  10. The paper researches the transient time precision and the following problem of the results developing with time for 2 - d high order blocking and matched method, at the same time, anlysing the stability of high order methods including boundary conditions. the results show that the domain decomposition and matched method using high order method can follow the time developing solution of taylor problem well, the computation result of the flow over a single or two tandem arranging circular cylinder agree the experiment and others " results well, moreover, the panting results of lift and drag coefficient are better than others

    本文利用高精度分塊耦合求解方法，對其瞬態時間精度和非定常時間發展解的跟隨性問題進行了研究，同時也對包含邊界條件的線法高精度格式的穩定性也作了分析，研究結果表明高精度的分塊耦合求解方法可以很好地跟隨taylor問題的時間發展解，與單圓柱繞流和雙圓柱繞流的實驗結果比較以及他人結果比較符合很好，對升阻力系數在渦脫落時的脈動問題的結果優於他人結果。
  11. By using the solution developed and the frequency - dependent stiffness coefficient and damp coefficient, the dynamic behavior, especially the one concerned with the variation of the dimensionless maximum response along the depth, for the pile with finite length or with infinite length was studied. it was shown that to simplify computation a pile of finite length can be taken as the one of infinite length if the ratio of pile length to its diameter ( i. e. lid ) is greater than 15

    利用所得解，採用與頻率相關的剛度系數和阻尼系數的近似表達式，對有限長樁和無限長樁的動力特性特別是對最大無量綱響應沿深度的變化曲線進行了參數研究，表明在常見樁土參數下，當長徑比大於15時，可將有限長樁視為無限長樁以簡化計算。
  12. 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。
  13. The experiment model that scale is 1 to 2. 5 was made. model experiment results show that numerical simulation scheme has gratifying precision and is very effective for forecast of resistance characteristics of marine exhaust mufflers

    按照所確定的結構製作了幾何比為1 ： 2 . 5的實驗模型，模型實驗結果表明，本文的數值模擬方案具有令人滿意的精度，對于船用排氣消聲器阻力特性預估是非常有效的。
  14. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。
  15. The present results indicate that the quantitative description of the non - dimensional mean lateral streak spacing + differs from the results previously published. the spacing + is not a constant value of 100. it becomes larger as the reynolds number in terms of shear velocity increase

    試驗結果表明，低速帶間距的無量綱數+並非為以往一致認為的100左右的常數，而是隨摩阻雷諾數的增大而逐漸增大，在水力光滑區與摩阻雷諾數成二次方關系，在過渡區則為線性關系。
  16. Through comparison and analysis the result gained from micro - scale theory and macro - scale theory, we can drew several conclusions as follows : 1. as the knudsen number ( kn number ) is very small, the inaccuracy would be neglect, when the macro - scale theory is used to solve the problems which were proposed in the paper

    通過對微尺度理論和宏觀尺度理論研究結果的比較，可得以下幾條結論: 1 、由於knudsen數（ kn數）很小，用常規尺度理論求解本文所研究的微小通道內的流動阻力，其誤差可忽略不計。
  17. Then the constant of peukert equation is calculated from the linear interpolation. simultaneity the characteristic curves of the battery capacity, electromotive force and inner resistance are fitted with least - squares. the maximal of relative error between the calculated values from the models and the experimental data is 2. 59 % under 50a discharge current

    利用peukert方程的變形式，用線性插值法計算出鋰離子電池的peukert常數值；利用最小二乘法擬合了該動力電池的容量特性、電動勢和內阻特性曲線；在50a的放電電流下，數學模型的計算值與試驗結果的最大相對誤差為2 . 59 。
  18. But the cases of two or more foundations were not presented because the interactions between foundations were not considered in all present papers. this thesis eliminates two faults named above by using the assumption of the plane strain and of dynamic foundation - soil interaction factors. the calculating method of dynamic impedances presented by the paper proved to be accurate and practical

    過去許多學者通常將任意形狀基礎的外包規則幾何形狀代替原有的不規則基礎形狀，以達到確定動剛度和阻尼系數的目的，顯然計算結果是近似的；本文將任意剛性基礎劃分為規則的小型基礎，然後求小型基礎之間的動力相互作用因子，最後得到任意剛性基礎的動剛度和阻尼，而且這種方法也可考慮相鄰基礎產生的影響。
  19. 2. to observe the effects of quiet and resistant respiration on hemodynamics in normal man and and to establish the normal values of this effects and to verify the new proposal of the mechanism of respiratory effects on hemodynamics from clinical point of view. 3

    觀察正常人平靜呼吸及阻力呼吸時胸壓變化對血流動力學的影響，從生理及臨床角度驗證我們提出的呼吸影響心功能機制新假說，同時為建立我國正常成人呼吸性血流速度波動指數（ rvi ）范圍提供參考； 3
  20. Based on the major parameters deduced the traditional experiences and a lot of experiments, this paper brings forward a new, on hydrodynamics computing equation of the circulation oil volume of the lubrication system and the minimize pressure required in the main oil channel, also says briefly several part resistance coefficient which is used usually

    以傳統的、由大量實驗而得出的發動機潤滑系統各主要參數為基礎，提出了一種新的、以流體力學為依據而得出的潤滑系統循環油量和各泄漏量的計算公式，以及主油道所需最低油壓的計算公式；簡要地介紹了潤滑系統中常見的幾種局部阻力系數。
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