縱向阻力 的英文怎麼說

中文拼音 [zōngxiàngzǔlì]
縱向阻力 英文
longitudinal resistance
  • 縱 : Ⅰ動詞1 （釋放; 放走） release; set free; let go 2 （放任; 不約束） indulge; give oneself up to; l...
  • 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...
  • 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft, and the aircraft flight envelope change of iced and un - iced situation was computed, and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it, and the longitudinal and lateral stability and the elevator, aileron and rudder step response were also studied and simulated

    根據這些參數計算了飛機結冰后阻力系數以及典型氣動導數的變化，並計算了結冰前後飛機的飛行包線；同時對結冰前後飛機的縱向、橫側動穩定性以及升降舵、副翼和方向舵階躍操縱響應進行模擬計算。
  2. This is a radial groove design which is suitable for industrial vehicles and features excellent stability and low rolling resistance

    縱向槽溝花紋，用於工業車輛。有良好的行駛穩定性和較低的流動阻力。
  3. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。
  4. Secondly, the paper simplified the calculating model of fume in the high tunnel. took the fume restriction into account, the paper provided some equations to calculate the longitudinal fire ventilation. finally, the paper calculated three examples : the zhongliangshan tunnel and the left route of the yanmenguan tunnel

    最後，本文將公路隧道火災的通風模型進行簡化，考慮火災煙流阻力（節流阻力，摩擦阻力，火風壓）的影響，提出了縱向式火災通風計算的方程式，並對中梁山隧道的左右線、雁門關隧道的右線進行了實例計算。
  5. 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。
  6. At the last part, the author introduces methods of employee flow management. first, hr manager should hold the pass of job application ; second, she or he should establish scientific promotion system and job rotation system to stimulate flow within enterprise ; finally, the company should try the best to retain ability employees and cut off redundant personnel. using these specific measures, the problems in state - owned enterprises will be improved

    國有企業人力資源部門應當從企業員工招聘環節開始把關，真實評估應聘員工的職業發展潛力，作出真實職位預觀，並做好試用期管理；同時應當做好員工內部流動管理，採用科學的晉升制度和內部輪換制度，疏通職業通道，使企業內部橫向流動和縱向流動均暢通無阻；企業還要做好員工流出管理，包括員工辭職管理和裁員管理；除此之外，企業還要樹立正確的人才流動觀念，創造吸引人才的機制，防止人才流失。
  7. With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived

    4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。
  8. By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to

    首先對水下輸液管道繞流渦激振動的機理進行了分析，然後，利用網格生成技術及多重網格法求得了輸液管道在不同來流條件（雷諾數）下的橫向升力系數及縱向阻力系數，最後對計算結果進行了分析，並將其與已有的間接實驗結果進行了對比。
  9. The more is diffusion resistance, the less the oxygen quantity is. the even degree going through the diffusion layer and hydrophobic layer depends on relative change of diffusion resistance in crosswise and lengthways. if the diffusion resistance in crosswise is bigger, it will not benefit the oxygen distribution

    傳輸阻力越大，通過擴散層和疏水層氧氣的傳輸量越小，擴散層和疏水層對氧氣的均勻化程度取決于其對氧氣橫向和縱向擴散阻力的相對大小變化，橫向擴散阻力大，不利於氣體的均勻化。
  10. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    在水力光滑區和過渡區對明槽紊流近壁區的帶狀結構進行試驗，測量並分析了帶狀結構的分佈，首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。
  11. The main original work includes : 1. the interaction between an integral pile and a uniform visco - elastic soil layer with viscous damping or hysteretic damping is theoretically studied, and the pile response to a harmonic load is obtained in a closed form and used to define complex stiffness at the pile head. semi - analytical solution of the velocity response in time domain subjected to a semi - sine wave exciting force is also given

    主要工作包括： 1 、在考慮樁周土三維波動條件下，對滯回阻尼、粘性阻尼單層均質土中樁土縱向耦合振動問題進行了解析研究，分別得到樁頂位移、速度頻域響應以及復剛度的嚴格解析表達，以及半正弦脈沖激振力作用下樁頂時域響應半解析解。
  12. Then the dynamic model of saturated soil layer caused by pile longitudinal vibration is founded. incorporated wave propagations into saturated soil layer, the characteristics of soil resistance factor and the mechanism of the radial damping are analyzed, as well as distributions of shear stress and pore pressure in saturated soil caused by pile vibration

    然後利用上述解析解分析了飽和土層復阻抗，並從飽和土波動理論出發，建立了樁縱向振動引起的飽和土層振動模式，剖析了輻射阻尼產生機理，研究了樁縱向振動引起的飽和土層中剪應力及孔隙水壓力分佈。
  13. In order to study the vibration in the artillery traveling more accurately and completely, a tire force model of non - linear and self - adapting stochastic contacting mark is set up, and this model provides a good method to study the driving system ' s horizontal and vertical excitation caused by the plainness road surface. the suspension of the tractor is simplified by the model of spring - damp system, and the artillery torque rod is also simplified by torsion spring

    為了更準確和全面地研究火炮牽引行駛過程中出現的振動，建立了非線性自適應隨機接地印跡的輪胎力學模型，該模型能很好地研究路面不平度對火炮牽引系統的垂直和縱向激勵；牽引車懸架簡化為彈簧阻尼系統；火炮扭轉桿簡化為扭簧。
  14. First1y, in this paper, the testes about tensi1e resistance of masonry components in different period are processed and re1ated suppositions and formu1as are brought forward : the formu1a about maxima1 shear stress of top side in high or tier masonry bui1dings is deduced. it can be found easi1y that the factors affect ing the maxima1 shear stress are vertica1 resi stance coefficient 1oad magnitude wa11 geometry dimensions and its modu1us of e1asticity

    首先，進行了不同齡期下的砌體試件抗壓力學性能試驗，提出了相關的假定和公式，推導出了縱橫墻荷載差影響下的多、高層砌體結構房屋頂層的最大剪應力公式，從中可以看出影響最大剪應力的因素有豎向阻力系數、荷載大小、墻體的幾何尺寸和墻體的彈性模量等。
  15. 2. longitudinal vibration of pile with variable impedance ( variable sections or modulus ) in layered soil undergoing arbitrary load is theoretically investigated

    2 、對成層土中變阻抗（變模量或變截面）樁在任意激振力作用下的縱向振動特性進行了研究。
  16. With the fiber, we can ensure that the vehicle cannot rush out. furthermore, a computing method of the impact force acting on the guardrail is proposed

    依靠縱向纖維受拉來攔阻車輛，保證失控車輛不會沖出路外； （ 2 ）提出了汽車沖撞復合材料護欄的沖擊力動力計算方法。
  17. The mechanisms of flow - induced vibrations of the fluid - conveying pipes on offshore platform and in water are analyzed, the physical models and mathematical models of flows in pipes on offshore platform and in water are established, with the programs of numerical simulation, the flow of vibrating pipe, the force of flow - induced vibration in pipe on offshore platform and the lift and the drag of flow acting on the fluid - conveying pipe in water are solved, and the linear solution for equation of vibrating fluid - conveying pipe in water with the fixed supports in two ends is derived

    分析了海洋平臺及水下輸液管道的流體激振機理，建立了相應條件下的物理模型及數學模型，應用matlab軟體編制了計算程序，對海洋平臺輸液管道內流流場、管道所受流體激振力及水下輸液管道繞流受力（橫向升力及縱向阻力）分別進行了求解，並推得了兩端固支條件下水下輸液管道強迫振動方程的線性解。
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