磁氣動力學 的英文怎麼說

中文拼音 [dòngxué]
磁氣動力學 英文
magnetoaerodynamics
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 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動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  1. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電電機的電特性和特性,本文從電機場的基本方程及其邊界條件出發,應用無旋場的標量位概念,建立了端面搖擺式電微電機內部場的數模型,並以此為基礎,詳細分析了電機場的各方面性質,對場的標位、場強度、感應強度、等位面形狀、電機工作路的分佈、電機的工作通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  2. Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science

    探索太陽活的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推了等離子體天體物理、流體等諸多基礎理論的發展,有著重要的理論意義;而對太陽活的預報,是國際前沿科?空間天的重要組成部分,對避免空間災害、為航空航天科提供服務等方面,具有重大的實際應用價值。
  3. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的、帶摩擦的水流、等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  4. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、體、塵埃、場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重透鏡;大尺度結構;牛頓宇宙、宇宙的膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。
  5. In the thesis, most advanced, relative, foreign high - tech has been pursued. feasibility analysis has n ' t been carried out by synthesizing much relative knowledge such as electromagnetism theory, plasma technology, aerodynamics, electronic technology etc until the scheme is confirmed, that is, a uniform, one atmosphere, controllable, glow - charge surface plasma can be generated and flow can be accelerated by changing electric field

    本文追蹤目前國外最先進的技術,綜合電理論、等離子體技術、空、電子技術等相關知識進行可行性分析,確定了研究方案,即利用電流體( ehd )方法在一個大壓下產生高效、均勻、可控的射頻輝光等離子體,同時,通過改變電場促使流加速。
  6. Therefore, the wave is liable to be taken in by human body ensuing the emergence of resonance effect, which is able to activate cellular organization and promote metabolism. meanwhile, the magnetic therapy can effectively stimulate the circulation of the blood and cause the muscles and joints to relax through specific points. combining two unique functions together, the functional textile could take effect in evidence by improving human microcirculation efficiently, accelerate oxygen supply,

    Nb素加功能產品,其中nb素所輻射的能量波正發與人體細胞中水分子律頻率相同,極易被吸收並產生「共振效應「 ,從而活化細胞組織,促進新陳代謝,而療能通過穴位達到舒筋活絡的作用,二者科的相迭加,所以效果更明顯,可充分改善人體微循環,加速氧的供給,提高人體細胞的再生能,對高血壓肢體麻木關節痛肩頸痛腰肌勞損腰背酸痛等有很好的療效。
  7. The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing

    本設計主要是從以下幾個方面入手: 1 、機構設計:包括底座和臂關節的設計; 2 、傳機構設計:將驅電機安裝在底座上,利用同步齒型帶、離合器傳遞手臂的;利用齒輪傳底座回轉; 3 、平衡系統設計:採用了彈簧平衡系統、電式制器和單向延時缸; 4 、設計參數和校核計算; 5 、用d ? h法建立運方程; 6 、利用matlab軟體對手臂的運空間進行模擬; 7 、利用autocad2000繪圖:包括零件圖和裝配圖。
  8. Various flow mechanisms and interactions between electromagnetic field and high temperature ionized gas were covered in the fluid dynamic and electromagnetic equations, and various impact reactions were taken into account in the chemical dynamics model

    流體方程組和電場方程考慮了多種流機理及電場與高溫電離體的相互作用,化模型考慮了各種碰撞反應。
  9. This thesis is relied on the subject " analysis of prospecting foreground and evaluation of favourable play of oil and gas in santanghu basin " and based on areal geology, gravity, magnetism, electricity, seism, rock - core etc, and it ' s guiding ideology is the plate tectonic theory, the continental dynamics. the new achievements and the new understandings of the international exploitation of oil and gas fields. in light of the elementary analytic principles " integrated, dynamic, comprehensive ", it studies the structural features and the formation and evolution of santanghu basin on the the basis of obtaining abundant first - hand data

    本文以「三塘湖盆地油勘探前景分析與有利區帶評價」項目為依託,以板塊構造理論、大陸研究以及國際油田開發的新成果和新認識為指導思想,以區域地質、重電、地震、巖芯等等資料為基礎,獲取扎實的第一手資料, 「整體、態、綜合」地研究三塘湖盆地構造特徵及其形成演化。
  10. The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma

    流體場和導電的液體或體,諸如熔化的金屬或者等離子區之間的相互作用的研究
  11. The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy

    其次,衛星在軌運行時將受到各種干擾的影響,因此在研究精確地場模型電纜繩離軌系統的特性的基礎上,著重研究了大和地球非球形攝對衛星離軌過程中各軌道參數的影響。
  12. So the conventional solid windows have been becoming the threshold of the laser energy ' s promotion and the optical quality ' s improvements. to solve the above - mentioned problem of hel ' s output solid windows the concept of aerodynamic windows ( abbr. adw ) is proposed according as the property of gas, i. e

    由於體介質具有對電輻射選擇吸收的特性,而且其擊穿功率閾值也特別高,因此為了解決上述高能激光器固體輸出窗口的「瓶頸」問題,根據體介質的這一特性,提出了輸出窗口(簡稱為窗口, adw )的解決方案。
  13. The main work done in the paper is as follows : 1. satellite attitude dynamics modeling study : for the earth - oriented three - axis stabilized satellite, a precise attitude dynamics model is established, considering the influence of the environmental disturbance, such as the gravity, the sun radiation, the earth magnetic field and the atmospheric resistance

    本文的主要研究工作如下: ( 1 )衛星姿態建模研究:針對對地定向三軸穩定衛星,考慮了重梯度、太陽輻射、大、地球場等環境因素對衛星的影響,建立了較精確的衛星姿態模型,同時又建立了四元素描述的姿態運方程。
  14. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電場攝理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  15. Through the analysis of attitude dynamic equation, how to realize three axis passivity stabilization of the mircrosatellite by just using environmental torque is presented. three sorts conformations of three axis passivity stabilization of the mircrosatellite by using environmental torque are put forward, one is to realize the passive attitude control of microsatellite by using the aerodynamic moment and the gravity gradient, the other two by making use of the gravity gradient and the geomagnetic moment, the attitude dynamics of microsatellite of the three sorts are analysed in detail

    通過對衛星姿態方程分析,給出如何利用環境矩實現微小衛星三軸姿態被穩定,並提出三種利用環境矩實現微小衛星三軸姿態被穩定方案,即一種利用矩和重梯度實現微小衛星三軸姿態被穩定方案和兩種利用重梯度和地矩實現微小衛星三軸姿態被穩定方案,對採用這三種方案的衛星的姿態運進行詳細分國防科技大研究生院位論文析。
  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

    摘要為了研究集腔總壓對電弧噴射推器工作過程的影響,在分析其工作機理的基礎上採用化非平衡流和穩態電流體電場模型對不同集腔總壓下推器工作過程進行了數值模擬。
  17. The paper is the project named " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no - 50075057 ) " as the background, which is supported by national natural science foundation of china drive directly by linear permanent magnet synchronous ac motor, the controlled plant eliminates middle drive parts and avoids the effects of the mechanical transmission chains from rotary motions to linear ones

    本文以國家自然科基金資助項目《直線伺服雙位置環態精密同步進給理論和實現方法研究( no 50075057 ) 》為背景,針對直線同步進給提出了一種新的控制方案:模型參考自適應控制。機床採用永直線同步電機直接驅,省掉了中間的傳環節,消除了機械傳鏈的影響;又因永直線同步電機採用高能永體,具有電強度高、損耗低、電時間常數小、響應快等特點。
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