箭的彈力 的英文怎麼說

中文拼音 [jiàndedàn]
箭的彈力 英文
spine
  • : 名詞(古代兵器) arrow
  • : 4次方是 The fourth power of 2 is direction
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : 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...
  1. Rockets are important as thrust units for ballistic missiles.

    作為道導裝置很重要。
  2. The valve seat shall be an elastomeric seal that will permit seating at low - head pressure, and an arrow shall be molded on the valve body for permanent visibility to indicate the intended direction of flow

    閥座應該是性密封,它使得閥座處于較低排出壓下,頭應該永久性清晰可見地模鑄在閥體上,標明計劃流向。
  3. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導為原型,增加可兩次點火末級發動機,改裝成具有跳躍能地地道導;首先,根據任務需求,建立了導氣動模型,並建立了頭再入時高超聲速氣動模型;其次,建立了導推進系統模型,前兩級採用了固體火發動機,第三級採用了固?液組合火發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導質點道模型,設計了一條跳躍式道,並對跳躍式道進行了優化設計;最後,對導進行了突防能分析,從分析結果可以看出,跳躍式突防能比常規拋物線道要強。
  4. A physic model is established for the description of the vibration of mini - spring of the brushing exploding mechanism in the fuse of the grenade lunching from a recoilless gun

    摘要對無后坐炮發射時火中引信擦地炸機構微小運動進行了動學分析。
  5. Abstract : solid propellant rocket motors are preferred for most ballistic missiles because they need simple maintenance and can be launched quickly. but the conventional thrust termination devices limit the depletion of every stage ' s grain and increase some extra - weight. an improved method for designing a multi - stage solid rocket based depleted shutdown was provided. in order to solve the problem of lack of thrust termination devices, a device to adjust the burnout angle will match the final burnout velocity and satisfy the desired range. the method can also limit the detection from anti - ballistic missile system

    文摘:由於維護簡單和發射快速,道導多用固體火發動機,但繁雜終止裝置使各級裝藥不能耗盡並讓結構增重.提出了一種對基於耗盡關機多級固體火概念設計改進方法,此方法滿足導系統主要戰技要求.為解決無推終止裝置末速不準問題,可在末級發動機採用姿態調整裝置,對射角進行調整,配合末速以滿足射程要求.本方法還可抑制敵方反導探測
  6. The solid rocket ramjet, which combines the techniques of ramjet propulsion and solid rocket propulsion, offers the following advantages for missile propulsion : high specific impulse, simple configuration, high credibility, convenient using and high maneuverability

    固體火沖壓發動機結合了沖壓技術和固體火技術,具有比沖高、結構緊湊、工作可靠、使用方便、機動性好等優點,是新一代超聲速戰術導優選動裝置。
  7. With additional capabilities in rotorcraft, electronic and defense systems, missiles, rocket engines, satellites, launch vehicles and advanced information and communication systems, the company ' s reach extends to customers in 145 countries

    加上旋翼飛機、電子和防禦系統、導、火發動機、衛星、運載火和先進信息及通訊系統等方面研製能,本公司客戶已經遍及145個國家。
  8. 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,既可改善底部射擊精度又可提高減阻效果二次擴張原理,建立了底排燃氣二次擴張壓計算模型,並通過採用二次擴張原理新型底排裝置與傳統底排裝置對比試驗,驗證了新型底排裝置結構實現可行性;完成了基於底排燃氣二次擴張高效增程原理底排?火復合高效增程方案設計及其有關計算,從理論上驗證了其工程應用可行性和實際價值。
  9. Because the propellant grain is viscoelastic material, the liner and adiabatic layer are also viscoelastic one, the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials. research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion. numerical analysis method about interface debond on solid rocket motor is researched in this paper

    由於固體火發動機推進劑藥柱是一種粘性材料,襯層和絕熱層也具有粘性性質,因此其界面脫粘問題實際上是性-粘性或雙粘性各向同性材料界面裂紋問題,對該問題研究涉及到粘學、界面斷裂學和燃燒學等相關學科。
  10. It has been maked for immediate and statistical analysis that the calculation about the work order parameter of the base - bleed - rocket is calculated in the taguchi method, its influencing trend is bring out in the open, the theoretical base is settled for confirming the greatest combination about the work order parameter of the base - bleed - rocket. the multi - objectile optimal design model is established that the indexes have been taked into account first and synthetically, such as physical parameter range lethality power strength and flight stability and so on, the program is compiled and the example is calculated. the true worth of the theoretical work in this paper is validated by flight experimentation of 130mm hybrid base - bleed - rocket extended - range principium projectile

    本文進行了底排?火復合增程工作時序參數正交試驗設計直觀分析與方差分析,揭示了每個參數對射程計算影響趨勢,為進一步確定底排?火工作時序參數值最佳匹配組合奠定了理論基礎;建立了底排?火復合增程多目標優化設計模型,該模型首次綜合考慮了底排?火復合增程結構特徵參量、結構強度性能、飛行穩定性、威性能和射程指標,編制了相應分析程序,進行了算例計算;完成了130mm底排?火復合增程原理樣結構設計與飛行試驗,其試驗結果驗證了本文理論研究工作實際應用價值。
  11. Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage

    基組合動循環( rbcc , rocketbasedcombinedcycle )將傳統發動機和吸氣式發動機優點集中組合到一個具有多種工作模態(包括引射、亞燃、超燃及火模態)發動機里,在不同飛行階段啟用不同工作模態,因此具有大幅提高航天推進系統經濟性與高效性潛在優勢,並可能發展成為下一代單級可重復使用航天器以及高超聲速導武器系統。
  12. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火技術和沖壓技術有機結合在一起,具有比沖高、速度快、重量輕、射程遠、機動性能好和結構簡單等諸多優點,最大限度地滿足了新一代導對其動裝置提出要求,是超聲速導裝置一個主要發展方向,有著廣闊研究前景。
  13. In any case, russia ' s strategic rocket force still comprises hundreds of launchers, and thousands of warheads ; its capacity, like that of america, to annihilate any enemy will remain firmly intact

    無論如何,俄羅斯戰略火部隊仍然擁有數千發射裝置和以萬計頭;同美國一樣,它消滅任何敵人將仍然是所向披靡
  14. New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

    主要內容包括:在總結決策分析與專家系統規則庫技術基礎上,提出了融決策分析與專家系統規則庫技術於一體形式化推理機制,該機制能有效將定量計算和定性知識融為一體,將規范決策分析解題過程與專家系統特有演化推理方法有機結合起來;在多屬性效用理論基礎上,建立了一般形式復式效用模型,並實用化了全相關乘式效用模型,提供了較完善通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件widss系統,該系統基於形式化推理機制,易於擴展,能夠面向多種決策問題,具有較強通用性;建立了遠程多管火炮全炮動學模擬模型,將充氣輪胎動學模型、輪胎和路面相互作用模型運用於多管火炮動學模擬計算中;利用碰撞接觸理論,對火在定向器管內運動受情況進行了模擬計算;建立了遠程多管火炮箱式發射改進方案模型,並利用動學模擬計算結果在widss系統中進行了方案性能評估。
  15. In the wave trough of the pressure curve, the pressure may be then if the rocket is accelerating or if it has assembling defects, the early explosion of the grenade on the ballistic may be caused

    該模型微分方程計算結果表明微小簧在道上振動過程會使導電桿受壓產生周期性變化,尤其是在一些波谷處,導電桿幾乎不受壓,此時如果有火加速和其它裝配缺陷等因素影響,就會引起丸在道上早炸。
  16. This unique german unit is a missile with both a huge range and dead zone as well as an extremely high amount of damage

    德國特殊作戰單位,它是一支有著極遠射程、極高破壞和極大殺傷范圍
  17. Blessed by the powers of arkath and powered by super - heated air from lava vents beneath the city, the towers enable particularly devastating and accurate missile fire

    阿爾卡斯祝福被城底熔巖風口灼熱空氣增強,因而塔可以發射尤具破壞和準確性
  18. The influence of double - push accelerated velocity, spin - rate regularity and unfolding fins on air rocket dispersion and the mechanism of decreasing of air rocket dispersion are also studied respectively

    分別研究了雙推加速度,轉速規律和尾翼延時張開,對地面火和航空火散布影響,以及減小航空火散布機理。
  19. With the developing of modern military technology, high - velocity - projectile ( hvp ), which had been used as a highly efficient saturation attack weapon, was more highly regarded in power countries

    隨著現代軍事技術不斷發展,火作為一種廉價用來實施飽和攻擊強有壓制武器,日益受到各個軍事強國重視。
  20. Integral rocket - ramjet is a propulsion system with great potential. using missile - engine integrated design method to realize the conceptual design of integral rocket - ramjet missile is of great significance to improve quality and efficiency of missile design

    整體式火沖壓發動機是一種很有前途裝置,採用導和發動機一體化設計方法進行整體沖壓式導總體設計,對于提高導設計質量和設計效率具有重要意義。
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