推進射流 的英文怎麼說

中文拼音 [tuījìnshèliú]
推進射流 英文
propulsive jet
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 進 : 進構詞成分。
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 推進 : 1 （推動工作 使前進） push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  1. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。
  2. In perhaps the most unusual proposal of all, scientists from nasa ' s jet propulsion laboratory ( jpl ) in california are proposing to build a probe that uses heated water jets to descend to depths of up to a hundred meters through the frozen ice caps at the martian poles inn search of organic matter

    在或許是最不一般的建議的倡導下，加利福尼亞州航空航天局噴氣推進實驗室（ jpl ）的科學家們正在計劃建造一臺探測器，使用熱水射流穿透火星極地的冰帽，深入到100米以下，搜尋有機物質。
  3. Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method

    首先論證了本項研究的意義，價值，背景和方法，然後推出了單空泡輻射噪聲聲壓，聲壓譜和功率譜，針對回轉體流動泡空化噪聲的具體情況，選擇了雙指數模型作為單空泡潰滅的數學模型，進一步建立了無干涉條件下的群泡輻射噪聲的數學模型，並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。
  4. The inner fluid in the steam pump was discussed through theoretical study, the mathematic model on sucking was educed, and the extension of the model was in conformity to the experimental value of steam eject pump in actual practice

    摘要主要對蒸汽噴射泵內流體進行理論研究，推導出了蒸汽噴射泵的抽氣數學模型，並給出了該模型與實際蒸汽噴射泵實驗值的符合范圍。
  5. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括： 1在設計狀態和工作狀態下，根據mpt的實驗參數，對mpt使用不同工質時的性能進行了工程估算，這對mpt現階段的實驗研究和今後的研究有重要的指導意義； 2對于he 、 ar推進工質，討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響，並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響； 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質，主要討論與he 、 ar工質不同的特性，並從長遠的眼光和工程應用的角度，認為其可行性不容置疑，潛在優勢不可忽略，是未來mpt應用的主流推進工質。
  6. On the purpose of catching up with the advanced level of the world, and developing microinjection devices of ourselves to promote the chinese gene engineering, this paper is dedicated to the design and fabrication of the microinjection volume controller and the research on the detection of microinjection volume by micro - vision, based on looking into the advanced products mentioned above and researches on the dynamical characteristics of the dna micro - fluid from both theoretical and experimental aspects

    為了追趕世界先進水平，同時也為了開發具有中國特色的顯微注射設備，以推動我國基因工程的發展，本論文在深入調查了解國外先進產品，以及從理論及實驗方面對dna微流體的動力學特性進行研究的基礎上，致力於微注射量控制器的設計與研製，以及顯微視覺檢測技術的研究，以便對其進行更有效、更精確的定量控制。
  7. In this paper, the flow mechanism and the applications of the synthetic jet are studied in theory, numerical simulation and experiment, and this paper prepares for synthetic jet technology used in thrust vector

    本文採用理論分析、數值模擬與試驗相結合的方法對合成射流流動機理及應用技術進行原理性研究，為合成射流技術應用於推力方向控制奠定基礎。
  8. The conclusion that the optimal secondary nozzle exit area generating the maximum thrust agrees well with the numerical simulation, indicating that the exit area of secondary nozzle should be optimized according to structure and flow parameters during design

    表明在引射火箭設計時，應結合引射火箭的結構和流動參數對二次噴管出口面積進行優化設計，以達到最佳推力性能。
  9. The calculation formulas for velocity coefficients 2 and 5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time - averaged basic equations by use of the unsteady momentum equation and time - averaged value calculation method

    摘要運用非恆定的動量方程和時均值計算方法，對脈沖液體射流泵時均值基本方程中的流速系數進行了理論研究，推導出了喉管和喉管進口段流速系數2和5的計算式。
  10. Its properties and design method is discussed in chapter 4. for control meshes with arbitrary topology, we present a universal method in chapter 5 to construct parametric curves and surfaces. generalized rational parametric surface can be controlled precisely and flexible, and it is easy to model local features and 3d primitives

    然後，在第五章中，我們將控制網格進一步推廣到任意可定向二維拓撲流形，提出了一個通用的方法將控制網格映射到與之拓撲同胚的微分流形上，統一了廣義有理參數曲線曲面的構造過程。
  11. The emission control system incorporates both inlet port ， induced air motion and compression ， induced turbulence for fast and complete combustion

    可譯為：發射（或推進）控制系統混合來自進氣口的空氣，引起空氣運動和壓縮，並引發空氣湍流以加速並完全燃燒。
  12. In this paper, the author will firstly introduce the meanings of the photometric units, photosynthetically active radiation and photosynthetic photon flux, then theoretically derive the relations of the three units above, and finally utilize the full range of spectral characteristics of three different lamp to illustrate the process of conversion

    該文在介紹人眼光度學、促進光合作用輻射功率和光合作用光子流量的基礎上，主要從原理上推導出三個單位之間的轉換關系，最後用三種光源具體舉例計算。
  13. Changsha lnstitute of mining research cimr with rich design experiences is the earliest to be engaged in research on downhole drilling tools and rock drill bits in china and has carried on the work more than 25 years

    我公司這次在這次展覽會上展出了cs165 ， cs100d ， cs100l和潛孔鉆機，並進行了高壓水射流技術的介紹和推廣工作。產品的技術領先得到了很多公司的認同。
  14. In the theoretical aspect, secondary combustion in ejectorjet and thermal throat was researched. theory of duct flow was conducted, the difference and homology between heat added flow and entropy fixed flow was described

    在理論研究方面，本文對引射火箭二次加熱及熱力喉道進行了研究，推導並分析了一般的管流理論，闡述了加熱管流與變截面等熵管流之間的異同。
  15. The formula to calculate the light splitting ratio of intensity compensation with light splitter is derived out. two kinds of circumstances are discussed in detail, the one is laser polarization changing while the intensity keeping stable, and the other is the intensity changing with the polarization

    用能量流分析法推導了用分光鏡分光進行強度補償的分光比計算公式，詳細討論了入射光的強度不變而偏振方向變化以及二者同時變化對分光比的影響。
  16. To investigate effect of plenum chamber total pressure on arcjet thruster operation, numerical simulation of operation under various plenum chamber total pressures was performed on the basis of mechanism analysis on its operation and modeling for chemical non - equilibrium flow and steady state electromagnetic field within it

    摘要為了研究集氣腔總壓對電弧噴射推力器工作過程的影響，在分析其工作機理的基礎上採用化學非平衡流動和穩態電磁流體電磁場模型對不同集氣腔總壓下推力器工作過程進行了數值模擬。
  17. In this paper, simulation analysis and experimental research are given about dynamic response characteristics of jet pipe servo valve with magnetic fluid and without magnetic fluid. mathematical models of jet pipe servo valve with magnetic fluid and without magnetic fluid and mathematical model of magnetic fluid are deduced

    本文通過對射流管伺服閥添加磁流體和未添加磁流體兩種情況下的動態響應特性分別進行了模擬分析和實驗研究，推導了未添加磁流體和添加磁流體的射流管伺服閥的數學模型，以及磁流體的數學模型。
  18. Academic institutes, such as lscmi at hkust, and other organisations such as gs1 hong kong gs1hk, hong kong productivity council hkpc and hong kong logistics association hkla, are already heavily promoting rfid and can help industry to implement and evaluate pilot systems

    學術研究機構，如香港科技大學的物流與供應鏈管理研究所，和其他的組織如香港貨品編碼協會香港生產力促進局和香港物流協會等，已開始積極推廣射頻識別，並協助企業推行和評估試驗系統。
  19. Even though your customers may not mandate you to comply with an rfid policy at this moment, it will definitely affect you sooner or later. being prepared earlier will enable an important competitive advantage. academic institutes, such as lscmi at hkust, and other organisations such as hong kong article numbering association ( hkana ), hong kong productivity council ( hkpc ) and hong kong logistics association ( hkla ), are already heavily promoting rfid and can help industry to implement and evaluate pilot systems

    即使你的客戶現時並未要求你必須遵守射頻識別政策，但這只是早晚的事而已，未雨綢繆自然能為您帶來更大的競爭優勢。學術研究機構，如香港科技大學的物流與供應鏈管理研究所，和其他的組織如香港貨品編碼協會、香港生產力促進局和香港物流協會等，已開始積極推廣射頻識別，並協助企業推行和評估試驗系統。
  20. In allusion to the requirement, a new multiphase - flow measuring technology based on the optic - fiber sensors is considered. proportion of components can be obtained by measuring multiphase - flow ' s optic refractive index. real - time distinguishing oil quality will be realized, without the need to separate out individual phase components

    針對這種需求，提出了一種基於光纖傳感器的多相流計量技術，根據多相流體光折射率的變化推算出各組分的比例，無需對多相流進行分離就可以實現對原油品質的實時判別，從而達到快速修正採油工藝的目的。
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