阻力理論 的英文怎麼說

中文拼音 [lún]
阻力理論 英文
drag theory
  • : 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...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  • 理論 : theory
  1. The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given

    本文還對由於不相似而引起的比尺效應進行了較詳細的討,從上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。
  2. 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,並以此為依據建立人體整椎脊柱沖擊動學模型,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尼系數因子
  3. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的可能性;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能;當車輛已經處于顛覆狀態時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進行研究,在分析的基礎上,通過建立rops fops的學分析模型,推導彈性、彈塑性階段rops fops變形的計算公式,建立一套可行的rops fops的非線性有限元分析計算方法。
  4. The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4

    流變學方程表明:改變尼通道的磁場強度可以控制磁流變尼器的,從上分析了磁路參數和尼通道的結構參數對磁流變尼器的影響。
  5. In regard to the theoretical basis of it, the creditor ’ s rights can not make effect on a third party for being a comparative right, and can not demand the third party to assume the debtor ’ s obligations, rather than a third party willful infringement upon the realization of rights of creditors. as a kind of rights protected by law, the creditor ’ s rights possesses the characteristics of inviolability, which originates from the comparative effect to the outside

    就第三人侵害債權的基礎而言,指出債權作為相對權而不具有對抗第三人的效,應當是指債權人只能要求債務人履行債所要求的特定義務,不能要求第三人履行債務人的義務,而不是指第三人可任意礙和妨害債權的實現。
  6. First, the noblesse new slender ship theory is introduced and modified to make it suitable for numerical calculation, with which we can calculate the wave - making resistance coefficient of a ship

    首先引入noblesse新細長船,通過在方法上的改進,使之適合於半滑行船興波系數。
  7. Lastly, by combining the noblesse new slender ship theory and the savitsky method, we get the wave - making resistance prediction method for semiplaning ship. examples of calculation are also presented

    最後將改進的noblesse新細長船與sit法結合,得到了計算半滑行船興波系數的方法,並給出了計算實例。
  8. " you can ' t expect us to stand here naked. " - the reasoning behind pakistan ' s development of a nuclear deterrent force, 1 november 2001

    你不能指望我們赤裸裸地站在這里。巴基斯坦發展核子嚇武背後的, 2001年11月1日。
  9. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調尼減振器的結構和工作原,運用流體,建立了該減振器尼特性的非線性參數化模型,模擬分析了活塞尼閥孔徑、尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器尼性能的影響,通過試驗測試,得到了減振器樣件的尼特性及其可調范圍。
  10. The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified

    本文對冷式瀝青路面銑刨機的動學工作過程進行了分析與試驗研究,並利用金屬材料切削的基本原,研究了主切削,並從能量轉化守恆的角度推導了銑刨機銑刨作業和功率計算公式,討了機器切削速度、銑刨厚度以及刀具與材料特性對銑刨作業和功率的影響規律,最後討了銑刨機牽引性能,且通過試驗研究驗證了銑刨作業和功率公式。
  11. 2. based on the results of experimental data of the tailrace surge tank of yi xing pumped - storage station in jiangsu province, this research investigates the methods for the head loss coefficients of throttled surge tank with linking pipe by means of the method which incorporates experimental results with theoretical analysis

    結合江蘇宜興抽水蓄能電站尾水調壓室水模型試驗成果,採用計算與模型試驗結果相結合的方法,對有連接管的抗式調壓室局部水頭損失系數的計算方法進行了討
  12. As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance

    本文以「 500客位穿浪雙體船」為研究對象,對穿浪雙體船興波阻力理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿浪雙體船的線型優化二、穿浪雙體船快速性與試驗研究三、穿浪雙體船主尺度與快速性的關系通過以上內容,較深入的研究了穿浪雙體船船型參數與快速性的關系,為其在實際工程中的應用提供了依據和解決方法。
  13. Chapter 4 constructs a set of theories in which design and optimize a new type of active damping suspension based on the active force feedback principle

    第四章在上建立了一套基於主動反饋原的新型主動尼懸架的設計和優化方法。
  14. It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory

    本文提出了底排燃氣壓不隨外部壓變化,既可改善底部彈射擊精度又可提高減效果的二次擴張原,建立了底排燃氣二次擴張壓的計算模型,並通過採用二次擴張原的新型底排裝置與傳統底排裝置的對比試驗,驗證了新型底排裝置結構實現的可行性;完成了基於底排燃氣二次擴張高效增程原的底排?火箭復合高效增程彈方案設計及其有關計算,從上驗證了其工程應用的可行性和實際價值。
  15. During the processes, the container - truck strikes the guardrail twice and nearly capsizes, then recovers from the capsizal and separates from the guardrail ; the crashworthiness of several kinds of guardrails is evaluated by changing its size and thickness, and its design is guided under the simulation result ; the joint simulation is discussed and calculation method of its resistance moment is proposed

    對車輛的碰撞過程進行了描述:車輛在碰撞過程中發生了二次碰撞並且有傾覆現象,最後車輛恢復正位,順利沿護欄導出;通過改變護欄欄桿的尺寸和壁厚,評估了多種護欄的耐撞性並指導了護欄的設計;討了集裝箱汽車列車鞍座結構的處,提出了鞍座矩的計算方法。
  16. On the basic of analyzing the basic theory of automobile dynamic property test, the paper first selects typical vehicle type such as kinglong xml6402 mini - cargo and ca1050pk2l1a heavy - cargo as experiment vehicle, does some contrast experiments for road - bench driving resistance and coast down distance, the experiment results reveals that there are some difference between the road and bench test

    本文首先在分析了汽車動性檢測的基本的基礎上,選擇了典型車型如微型車金龍xml6402和載貨汽車解放ca1050pk2l1a為實驗車輛,進行了臺架和道路行駛、滑行距離對比實驗,結果發現兩者的檢測結果存在較大的差異。
  17. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程的影響進行了實驗研究及分析,總結了本實驗條件下換熱及的實驗關聯式。
  18. The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment

    根據物料的空氣與離心分離分析了離心場中粒子徑向分離速度及重場中的粒子沉降速度,確定分離臨界粒徑與螺旋轉速、氣流速度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。
  19. The sand is provided with the pseudo - cohesion c by reinforcement, which verified " the frictional reinforcement theory " and " the pseudo - cohesion theory " ; ( 2 ) the vertical pressure can influent the friction only within certain limits ; ( 3 ) the frictional performances of different filling with the same reinforcement are different ; ( 4 ) when the reinforcement and filling are similar, the development of the friction between reinforcement and filling is influenced by physical state of filling ; ( 5 ) the achievement of experiment are applied to project

    砂土加筋后具有較大的準粘聚c值,這證實了關于加筋土原中的「摩擦加筋」和「準粘聚」 。 ( 2 )當垂直壓在一定范圍內時,垂直壓越大,摩越大;但當垂直壓超出一定范圍后,其對摩的影響逐漸減弱, f曲線趨于平緩,且似摩擦系數隨垂直壓的增大呈非線性減小。
  20. Firstly, the influence of the structure and work parameters on the performance of the filters is analyzed theoretically in the paper, and then deduces the resistance formulae of this multi - tube hepa filter

    本文首先從上分析了過濾器結構和工作參數對其各項性能的影響,並推導出多管式高效空氣過濾器阻力理論計算總公式。
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