推力的反作用 的英文怎麼說

中文拼音 [tuīdefǎnzuòyòng]
推力的反作用 英文
thrust reaction
  • : 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...
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries

    在弱非線性階段,導了柱和球幾何中模耦合方程,結果表明:非線性比于界面位置,界面位置越小,非線性越強,之越弱;同時柱幾何中模耦合方程解表明,在收縮幾何中,擾動在界面兩側發展是不對稱,在弱非線性階段,不穩定性向內發展部分受到慣性擠壓,而向外發展部分受到慣性拉伸。
  2. Besides establishing the calculation formulas of the support force of the swash plate, the contact load and the friction force between piston and cylinder block, the interaction force between piston and slipper, and the heel over moment of slipper, the relation between each machinery parameter and all these forces were discussed. 3

    分析了柱塞和滑靴情況,並導出斜盤支承,柱塞與缸孔間正壓和摩擦、以及柱塞與滑靴間和滑靴傾側計算公式; 3
  3. Under the guidance of this study, the industrial and unban development of chengdu at the turn of the new century should not only closely rely on raiseing the quality of industrialization to promote urbanization, but also make great effort to quicken the process of urbanization in order to accelerate industrializationand thereby realize the iutuous interaction between the two

    成都工業與城市發展歷史證明:工業化是城市化根本,城市化對工業化具有。以此為指導,成都21世紀初葉工業與城市發展既要緊緊依靠提高工業化質量動城市化,又要大加快城市化進程促進工業化,實現二者良性互動。
  4. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體tsrs物理模型本文根據量子學原理,在考慮如下物理過程和參量基礎上:光與物質雙光子相互; stokes光傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面射和端面射;增益系數、光束口徑、脈寬和三倍頻光能量密度,導出高通量激光在kdp和kd ~ * p諧波轉換晶體中tsrs物理模型和空間上近軸算符maxwell - bloch - langevin方程組。
  5. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周復荷載抗震性能試驗研究,比較了不同軸壓比下節點滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長水平或下降段,具有良好延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以廣。
  6. The ultra amusing ultra q remote control sweeps clear the vehicle, 1 to 8 proportions, 8 channels entire directions remote control, when advance backlash on the automobile body work lantern festival glitters, is concurrent music, the careful design remote control conforms to the kinesiology, the unique double throwout lever remote control way, on about remote control two throwout levers each control two powers wheels, slightly cause the vehicle the radius of turn to be more nimble, and marches forward when the vehicle simultaneously opens sweeps the plate to sweep clear and to turn fights controls remotely into the reality, sweeps the plate starts when also can send out delightful music, sweeps the plate also to be able control during rotation rocks, behind in the automobile body work theater box puts has continuously may skid and may open the cover the trash can, the trash can also may take out, turns fights may independently control remotely, the handling room vehicle door may start, the remote control is away from in the city surpasses 30 meters, the spacious area may achieve above 50 meters, holds controls nimbly is convenient, the luminous automobile body paint surface, works first - class, the use industry packs the ni - cd battery to take the power supply, may repeatedly charge 300 above time

    超好玩超q遙控清掃車, 1比8比例, 8通道全方向遙控,前進後退時車身上燈會閃爍,並發出音樂聲,精心設計遙控器符合人體工學,獨特桿遙控方式,遙控器上兩個桿各控制左右兩個動輪,使得車轉彎半徑更小更靈活,並且在車行進時同時開啟掃盤清掃和翻斗遙控成為現實,掃盤啟動時也會發出悅耳音樂聲,掃盤在轉動同時還會左右晃動,車身後部廂內放有一直可滑動並可開啟蓋子垃圾桶,垃圾桶還可以取出,翻斗可以獨立遙控,操室車門可開,遙控距離在城市中超過30米,空曠地區更可達到50米以上,操控靈活方便,光亮車身漆面,做工一流,使工業包裝ni - cd電池組為動源,可復充電300次以上。
  7. During their brief lifetimes, the dry ice shards collide and spin a multi - armed vortex of white mist. they propel themselves around the tank leaving trailing wisps of water vapour similar in appearance to the tail of a comet

    有些乾冰塊噴出氣體所產生,足以著乾冰前進,使後面形成一條條水氣流跡,好像彗星尾巴。
  8. Dogs can even use their noses to detect changes in a persons body chemistry. besides, their ability to reason effectively helps them respond quickly and appropriately in emergency situations, often warning their owners of impending danger or physical harm

    此外,有效使則幫助他們在緊急事故中做出迅速又適當應,這些應往往能夠對他們主人產生預警,提防即將面臨危險或可能遭受身體傷害。
  9. Never " snap " the lead leg down - - this jerks the trunk back ( action - reaction ) and out of good sprint position

    不要腳掌「猛咬」地面,這樣會使身體向後急(運動)而脫離良好速跑狀態。
  10. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故科學分析應是建立在正確數學模型與計算機模擬技術基礎上定量分析,其基本條件就是要有能正確描述事故過程中汽車狀態數學模型,只有建立正確數學模型,才能較準確地定事故車輛碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現關鍵問題。本文首先在總結前人研究基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞瞬間狀態計算模型及碰撞恢復系數與碰撞前、后速度關系;其次,根據交通事故中最普遍一維和二維碰撞不同情況,採恢復系數和滑動摩擦系數等概念,分別建立了碰撞后車輛動學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和計算方法,並給出相應模擬程序流程圖。
  11. Therefore, the administration continues to maintain a system of dual - use controls, including on china, that focuses on evaluating the appropriateness of the proposed export to the civil needs of the end - user and the risk of diversion. the commerce department under the ear maintains dual - use controls that include china in the following areas of proliferation and military concern ; national security ( ns ), nuclear nonproliferation ( np ), missile technology ( mt ), and chemical and biological weapons ( cb )

    美國商務部根據《出口管理條例》 ( ear )在以下涉及擴散和軍事問題領域對兩品實施管制,其中包括對中國;國家安全( ns ) 、核不擴散( np ) 、導彈技術( mt )和化學及生物武器( cb ) 。涉及國家安全管制特別提出廣泛審議政策,如向中國某項出口對電子和潛艇戰爭、情報收集、進或空中優勢有「直接或重大」,將拒絕核準。
  12. The main body of the dissertation is from the second section ( the first chapter ) to the fifth section ( the fourth chapter ), which firstly discusses the evolvement of american economic recovery policy toward japan and argues that the economic recovery policy toward japan was the inevitable result which the united states pursued her global containment strategies, with the changes of the international situation and the economic conditions in japan, the u. s. regarded japan " s accession to gatt gradually as the most important objective of the economic recovery policy toward japan ; secondly explains in detail that the u. s. fought up against the old guard in congress persistently in order to win the authorization from reciprocal trade agreements act ( rtaa ) so as to conduct the crucial tariff negotiations with japan, and emphasizes mainly that the executive had to seek for the balance between the national interest and oversea interest because of the strong forces of the domestic protectionism group, but made efforts to make foreign economic policy which is favourable to the latter because of the need of the cold war strategies ; thirdly analyzes the basic contents of u. s. - japanese tariff negotiations briefly and summarizes the results of the negotiations, and considers that under a large number of concession which the u. s. made in the negotiations, the japanese could change american political and strategical interest into the japanese trade interest and became the main winner ; fourthly researches mainly british diplomatic policy towards japan " s accession to gatt and american reaction to the policy and influence on it, and american roles in

    第二部分(第一章)至第五部分(第四章)是論文主體部分,首先論述美國對日經濟復興政策演變歷程,提出美國對日本經濟復興政策是美國行全球冷戰戰略必然結果,隨著國際形勢和日本經濟狀況變化,美國逐漸將動日本入關視為對日經濟復興政策最重要目標;其次詳細闡述為了獲得《互惠貿易協定法》授權,以便與日本進行重要關稅談判,美國政府和國會保守派持續不斷地斗爭,重點強調,鑒于國內貿易保護主義勢強大,行政部門不得不尋求國內利益和海外利益平衡,但同時出於冷戰戰略考慮,又盡量使對外經濟政策向後者傾斜;第三,扼要分析美日關稅談判基本內容,並總結關稅談判結果,認為美國政府在談判中對日本政府所做大幅度讓步,使得日本人能夠將美國政治、戰略利益轉化為日本商貿利益,從而成為談判最大贏家;第四,重點研究英國對日本入關外交政策和美國對該政策應、施加影響,在國際斗爭中美國為日本入關而發揮以及日本人自己做出,指出雖然在美國施加強大壓下,英國政府最終同意日本成為關貿總協定成員國,但是它依然以國家利益為重,對日本援引關貿總協定第35條,不給予其商品最惠國待遇。 」
  13. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通過兩榀節點在低周復荷載試驗,分析其破壞形態、耗能能、延性性能和節點核芯區裂縫開展情況,評估節點抗震性能和抗裂能導出預壓裝配式框架節點抗裂驗算公式;並運ansys對試驗中節點進行了非線性分析,計算結果與試驗結果基本吻合。
  14. 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

    論文和新見解主要包括: 1在設計狀態和工狀態下,根據mpt實驗參數,對mpt使不同工質時性能進行了工程估算,這對mpt現階段實驗研究和今後研究有重要指導意義; 2對于he 、 ar進工質,討論微波接頭材料、探針與內導體間隙、內導體位置、微波輸入功率、工質質量流量以及環境真空度對mpt真空啟動和穩定工影響,並探討微波輸入功率、工質質量流量對諧振腔壓強、射功率以及諧振腔溫度影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o進工質,主要討論與he 、 ar工質不同特性,並從長遠眼光和工程應角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應主流進工質。
  15. They propel themselves around the tank leaving trailing wisps of water vapour similar in appearance to the tail of a comet

    有些乾冰塊噴出氣體所產生,足以著乾冰前進,使後面形成一條條水氣流跡,好像彗星尾巴。
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解應動學微分方程,並採goast - redfem積分法和p函數對其動學參數進行了求解,解析出各種生物質頻率因子和活化能參數,進而建立了各種生物質熱解動學模型,為科學確定應器閃速熱解工溫度范圍及熱解應動學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度生物質顆粒中心達到全熱解時間,在體視顯微鏡下對不同粒度生物質顆粒長徑比進行了實驗觀察和測定,得出生物質長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3結果; ( 4 )採復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度時間( t ) ,得出了理論充分熱解時間與最大產油率熱解時間相一致結果,為閃速熱解應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運工程學、工程材料、機械設計學原理,導、建立了轉錐式閃速熱解應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解應器最小錐角設計、錐壁強度設計、生產能設計理論和功率計算方法及臨界轉速理論等。
  17. According to newton ' s third law of motion ? for every action there is an equal and opposite reaction ? air streaming out the back faster than the aircraft ' s speed will thrust the plane forward

    依據牛頓第三運動定律,每個必會產生一個等量而,因此當空氣以高於飛機速度自引擎尾部流出時,便可將飛機向前
  18. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路大跨徑橋梁地震應分析方法,其中包括樁-土-結構相互、行波效應等因素對結構物影響;其次,利結構矩陣分析中主從變換和逆步變換,演了幾個特殊單元剛度矩陣,包括橡膠隔震層單元和帶剛域構件單元;最後,考慮樁-土-結構相互和行波效應結合,分別建立隔震與非隔震連續剛構橋地震應分析模型,通過有限元法對兩種結構進行時程分析,結果表明:隔震層上部結構地震加速度應、位移應均明顯減小,這說明隔震連續剛構橋具有很好抗震能
  19. As a new type of ship propulsion, ac magnetohydrodynamic ( mhd ) propulsion apply alternating magnetic field through seawater, then a lorentz force will act to move the seawater and thus drive the ship to move

    磁流體( mhd )進是一種新型船舶進方式。它利海水中電流和磁場間相互使海水運動,其進船舶運動。
  20. Secondly, for satellite controlled by reaction wheels, an algorithm or strategy is presented. and then reaction wheels are used to generate a known disturbance torque, using thrusters as controller and gyro as the attitude sensor, a thruster parameters calibration for thruster levels and alignments on - line is achieved

    其次,針對飛輪控制衛星,提出了一種衛星質量特性在線辨識策略和辨識演算法,並利飛輪產生擾動矩,為控制執行機構,使陀螺測量衛星姿態角速度,實現大小和方向等參數在線辨識。
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