柱阻力 的英文怎麼說

中文拼音 [zhùzǔlì]
柱阻力 英文
column resistance
  • 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...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動力學模型的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物力學以及研究人體脊柱耐受沖擊載荷的極限問題都具有重要意義.首先發展了凱恩方程的休斯頓方法，使其可應用於變形體連接的多體系統，並以此理論為依據建立人體整椎脊柱沖擊動力學模型，此時考慮脊柱的大位移運動，每個椎骨的變形相對椎間盤的變形小得多，把脊柱看成由剛體（椎骨）和變形體（椎間盤）組成的多體系統.並以大型真人坐姿沖擊實驗結果進行了擬合，最後得到腰椎間關節剛度系數因子和阻尼系數因子
  2. Mounting the panel model on a short strut has the advantage of decreasing the tare drag of the setup.

    把翼段模型安裝在一個短支柱上，其優點是減少了安裝支架的阻力。
  3. In this thesis, the technology of visual fictitous design was used to design the level exchanged direction and double direction plough. first, the traction force formula of cylindrical plough face based on the prior study was deduced, and the forces of the solid model of circumrotatory pin was calculated, and visual dummy design technology was applied to analyse the force of circumrotatory pin and the parameter of pin

    其次在前人研究的基礎上推導出圓柱型犁體曲面的牽引阻力公式；根據該公式計算出旋轉銷三維實體模型所受的力，根據該力運用可視化虛擬設計技術對模型進行受力分析，對旋轉銷的參數進行合理設計；根據牽引阻力公式計算出安全螺栓所受的力，根據該力運用虛擬設計技術對安全機構進行設計。
  4. The interaction between internal waves and a horizontal cylinder is studied by using a laboratory experiment, the focus being the dependence of the factors of the internal waves on the resistance of the horizontal cylinder induced by the internal wave

    摘要分析水平阻力與內波波要素的關系，採用實驗室實驗的方法，研究了水平樁柱與內波的相互作用，焦點是研究內波波要素與波阻之間的關系。
  5. Drag force characteristics and calculation of water flow around pile

    樁柱水流繞流阻力特性及其計算
  6. Test method for relative resistance to vented water - tree growth in solid dielectric insulating materials

    固體介電絕緣材料對應通氣孔水柱上升的電阻力測試方法
  7. Abstract : tight trips often occur for hole undergauge during drilling in east sichuan oilfield. the paper analysis the causes of hole undergauge, proposes preventive and treatment measures which are to optimize design from geologic structure features, to use suitable fluid column pressure, to select different drilling fluid types, to adopt advanced drilling technology and perfect field technical management. therefore, good economic benefit will be obtained

    文摘:川東構造在鉆探作業中因井眼縮徑造成起下鉆的阻卡時有發生，文中對造成井眼縮小的原因進行分析並劃分為五類因素，提出應在地質構造特徵方面優化設計，採用合適的液柱壓力，選擇不同的鉆井液類型，使用先進的鉆井工藝和完善現場技術管理等措施進行預防和處理，將取得重大的經濟效益。
  8. Standard test method for relative resistance to vented water - tree growth in solid dielectric insulating materials

    固體介電絕緣材料中有通氣孔的水柱提升的相對阻力測定的標準試驗方法
  9. By establishing force equilibrium equations, a mechanical model for calculating the friction on the string is set up, and the analytical formulas for calculating the hook load and wellhead torque when the string is tripped in

    通過建立管柱受力平衡方程，推導出水平井管柱入井時摩阻計算的力學模型，分析計算了在穩定和旋轉方式下管柱入井時的大鉤載荷和井口扭矩等重要技術參數的解析公式。
  10. To solve the problem of the maximum running depth of coiled tubing, the maximum tensile condition, frictional condition and buckling condition should be satisfied

    在油田使用連續油管柱作業中，求解連續油管的最大下入深度問題時，必須滿足最大抗拉強度條件、摩擦阻力條件和屈曲變形條件及其確定的方法和原則。
  11. Abstract : to solve the problem of the maximum running depth of coiled tubing, the maximum tensile condition, frictional condition and buckling condition should be satisfied

    文摘:在油田使用連續油管柱作業中，求解連續油管的最大下入深度問題時，必須滿足最大抗拉強度條件、摩擦阻力條件和屈曲變形條件及其確定的方法和原則。
  12. 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。
  13. This paper discusses the performance and working principle of pressure feedback controlled hydraulic taming and drawing equipment and puts forward that with the shock pressure changing reasonably according to the resistance, the shock energy and frequency can change independently and steplessly

    摘要對壓力回饋控制液壓夯拔裝置的性能和機理進行了分析，提出了針對立柱阻力適時調節系統的沖擊壓力，可實現沖擊能和沖擊頻率的獨立無級調節。
  14. The result of simulation of model 8 ? 1 / 2 ? xhp2s bit shows that, the torque on the bit changes randomly, and the degree of the change increases with the increase of the weight on bit ; the change of the torque on the upper part of the drillstring is not so large as that on the string ' s lower part, and the rotary speed of the bit changes smoothly overall

    對8英寸xhp2s鉆頭做了模擬，結果表明，鉆頭處受巖石的阻力扭矩是隨機變化的，並有負扭矩出現，扭矩的變化幅值隨靜鉆壓的增加而增加；鉆柱頂部轉盤施加的扭矩變化不如底部劇烈；鉆頭的轉速在局部有較小的波動，其總體變化較為平緩。
  15. An example of friction calculation shows that the calculation results provide a basis for the selection of drilling equipment, optimization of drillstem parameters and wellbore structure, and the selection of tripping modes of the drill string

    實例計算分析表明，摩擦阻力計算結果可為鉆井設備選型、優化管柱參數和井身結構以及選擇下入方式提供可靠依據。
  16. The results are compared with the cases in a single - layer fluid, showing that the density stratification can have a relative large effect on the drag and lift coefficients as well as the vortex shedding

    計算受迫振蕩圓柱體的升力系數、阻力系數隨時間的演化曲線和圓柱體的尾渦分佈，以及圓柱體的受迫振蕩激發兩層流體內界面的擾動，並與均勻流體的情況進行了比較分析。
  17. The molecularly imprinted monolithic column is developed in hplc, due to its simple preparation, high selectivity and low flow resistance. its progress of the preparation, characteristic and mechanism are reviewed

    分子印跡整體柱具有制備簡單、特異選擇好及傳質阻力低等優點，在高效液相色譜中的應用發展迅速。本文綜述了分子印跡整體柱的制備、表徵及分離機制等的研究進展。
  18. By means of the simulation calculation, varying of the torques on the bit and the drillstring top and the rotary speed of the bit can be predicted

    通過模擬計算可預測鉆頭處阻力扭矩、鉆柱頂部扭矩和鉆頭轉速的變化情況。
  19. The neutral zone is the initial portion of the total range of motion of a spinal motion segment during which spinal motion is produced against minimal internal resistance

    摘要在整個脊柱運動范圍中存在著一個中性區域，在這個區域內，脊柱活動時受到的阻力較小。
  20. Domain decomposition method for the calculation of circular cylinder drag and lift in flows

    分塊法研究圓柱繞流升阻力
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