理論比推力 的英文怎麼說

中文拼音 [lúntuī]
理論比推力 英文
theoretical specific impulse
  • : 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
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 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...
  • 理論 : theory
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. Besides preface and epilogue, the text is divided into four parts discussing maximum mortgage issues : in part, starting from growing and developing of it, the author expounds the value and features of maximum mortgage, analyzes the function and character of maximum mortgage, and indicates maximum mortgage can realize efficiency value of economy and law. it can bring on circulate function of commodity and bear abating appurtenant and specific nature. specific nature is an important character of maximum mortgage system clearly

    本文試圖通過較借鑒和功能分析的方法,結合司法實踐中遇到的實際問題,對最高額抵押權進行完整的剖析,從最高額抵押權的價值、特徵、效、適用范圍、轉讓等諸多方面進行深入探討,以期為建立我國最高額抵押權的制度體系提供更多的支持,動我國的法制化進程。
  2. 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

    本文還對由於阻不相似而引起的尺效應進行了較詳細的討,從上給出了沖刷深度尺效應的修正方法及新的均勻、非均勻移質輸沙率的計算公式。
  3. The our country has already melt intoed the big tide of this ages this the inside, strongly push forward the foundation education information developments. educate the information to arouse the foundation education the modernization with the foundation, and realize foundation education the development of the stride over type, is an inevitable choice that push forward education ' s modernize. this text elaborate on multi - media network teaching the means living with high school to study to high school teaching a function for producing of with affect. investigated the teaching present condition of the high school front with the applied condition of the teaching means, understood the high school teacher to education high school physics teaching with study with the student education standpoint, study standpoint and teach and leam the attitude

    以基礎教育信息化帶動基礎教育現代化,實現基礎教育跨越式的發展,是進教育現代化的必然選擇。本文闡述了多媒體網路教學手段對中學教學和中學生學習所產生的作用和影響。調查了中學當前的教學現狀和教學手段的應用狀況,了解了中學教師和學生對中學物教學和學習的教育觀、學習觀及教與學態度,結合心學和教育學,分析和較了傳統教學手段與現代化的多媒體網路教學手段對中學「教」與「學」的影響,指出了多媒體網路教學手段的應用當前在人、資源等方面相應的不足和對中學教與學所帶來的革命性改革。
  4. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大量實測溫度場結果建議採用一個有利於導的指數函數的公式來擬和箱梁體內的溫差分佈,既貼近實測數值,計算又較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應的實測,以及與本文所提出計算方法的解進行的分析較,證實了本文計算方法的正確,同時改進了已往混凝土箱梁溫度自應的計算方法。
  5. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主,從實際出發,結合計算,對重載標準進行了詳細的討,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應計算,導出了混凝土面板荷載與板底應水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對現場實測的當量回彈模量與當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對模量的修正公式。
  6. The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it

    為了進一步抵消剩餘磁通,提高互感器的精度,提出了一種並聯電容線圈補償零磁通的方法,並進行了導,設計了基於該方法的100匝電流互感器,通過校驗證明它可以改善零磁通電流互感器的差和角差特性,提高互感器的精度,將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝,提高了測量微小電流的能
  7. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數學中矢量分析和方法,導了接地壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  8. The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network

    當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇,網路課程在國內迅速開展起來,但是國內研究者的注意主要集中在對網路課程模式的探索上,放眼國外,他們的研究觸角已經涉及到網路課程較細致的方面,尤其是對網路課程信息的研究構成了國外網路課程研究中的較重要的一個方面,而網路課程中信息的設計是重要的,因為信息的組織設計是為了接受者能對信息進行有效的信息加工,信息的呈現模式影響著學習者對知識的解和記憶方式,進而決定了學習者的學習模式,因此網路信息的設計在網路課程傳遞的效率和效果中就佔有很重要的位置。基於這個觀念,本文把網路信息的組織設計作為研究的重點,引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究,主要應用了信息科學中信息熵的公式進行導,得到學習內容信息組織的基本模式,並充分利用網路自身特性和學習對知識信息進行細致的設計,此外還對鏈接和導航信息進行了設計,在網路課程的適應性方面作出了努,把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充,最終形成了網路信息組織設計的方案,求創設一個能夠有效傳遞知識信息,減少網路自身弊病,並帶有一定適應性的網路學習環境,也使更多的網路課程的設計者關注網路信息這個因素。
  9. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動地貌學中的平面形態和最小能耗率相聯系,研究分汊河道的分流特性,並分流模式;另一方面,通過建立二維水流數學模型,與分析結果進行較。
  10. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫熱的測量和研究對熱學第三定律、固體量子和超導bcs等的建立起到了積極的動作用。熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。
  11. The thrust tail duration is also longer than predicted by theory.

    拖尾所延續的時間也所預計的長。
  12. In this paper, the author compares various measuring methods considering the fundamental theories of measure and the current situation of china. then the author chooses the reasonable methods to measure human resource asset and human resource income based on the compare, which is benefit for the adoption of hra in china

    本文從會計計量的基本原出發,考慮我國的實際情況,對現有的各種計量模式進行了充分的較,並在此基礎上選擇了合可行的人資源資產計價模式和人資源收益決定模式,為人資源會計在我國的廣和應用作了上的探索。
  13. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統的基礎上,詳細介紹了dfl,通過較闡明了dfl其本質是逆系統方法的一類,並結合具體課題導出的模型方程將dfl進行了擴展,使之適應于電系統這個強非線性對象。通過參考大量的書籍文獻導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電系統簡化的數學模型,並將擴展的dfl應用於此模型系統,結合線性二次型最優控制設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的例式勵磁控制器+汽門例控制及採用常規的按電壓偏差進行調節的例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對,證實了採用此種控制器可以有效地提高電系統的暫態穩定性,並且在電系統遭受小干擾時同樣具有良好的調節性能。
  14. In this paper, three kinds of static test operations are given such as the shovel descended with the front - end of the bulldozer lifted, the ridger descended with the rear - end of the bulldozer lifted, the shovel and the ridger descended with the whole body of the bulldozer lifted the static tests for the frame of ty220 bulldozer are proceeded. the result of finite element analysis is contrasted with that of experiment the mechanical model and the result of finite clement analvsis are verified by experiment and the theoretical bases are provided for the improving design of frames 4 according to the results of calculations and tests, the suggestion is presented for improving the design of the frame of ty220 bulldozer

    給出了鏟刀下移土機前端抬起,鬆土器下移土機所端抬起,鏟刀、鬆土器同時下移土機整機抬起等三種靜態試驗工況,對土機臺車架進行了靜態試驗,並將實驗結果與有限元計算結果進行了較,驗證了學模型及有限元分析結果的正確性,為臺車架的設計提供了一定的依據。
  15. According to the theory, the method of using half - rigid pile reinforce the embankment below the corbel of the approach slab which form a composite foundation and realize rigidity gradation, is put forward in this paper and the formula to calculate pile - soil stress ratio in light of visic curvity expansive theory is also deduced here which can be used in design

    應用這一,本文提出了採用半剛性擠密樁復合地基加固橋頭搭板枕梁下路堤實現,路、橋的剛柔過渡方法。針對低強度半剛性擠密樁計算的現狀,本文應用魏西克( visic )擴孔導了計算樁土應公式,可供設計階段採用。
  16. The paper proposes that the damage surface adopt curvilinear slip - surface, based on analyzing several normal models of soil pressure, and a new method of calculation soil pressure of brace structure of deep foundation - pit is derivated based on prandtl theory under this assumption. moreover contrasting against computational method of the classics soil pressure, better effect is acquired in the actual application

    本文在對幾種常用的土壓模型進行分析較的基礎上,提出了採用曲線滑動面作為破壞面,並在此假設下根據普朗特爾導出一種計算深基坑支護結構中土壓的新方法,並與經典土壓計算方法作了較,在實際應用中也取得了較好的效果。
  17. Because the designing fin and oar and the experiment fin and oar pro rata, so we can use the coefficients to calculate our designing fin and oar " s rising force. secondly, constituted the control system of pushing fin, and studied its control scheme. lastly, used matlab to simulate our control system, and applied ga to optimize the parameters of pid controller ; from the simulation result we can see the pushing fin has the ability of reducing the ship shake in all speed

    最後,對鰭減搖裝置控制系統用matlab語言進行模擬,並應用遺傳演算法,對鰭控制系統中的pid控制器參數進行優化,並將模擬效果與傳統的鰭的減搖模擬效果進行對,從模擬效果上可以看出,鰭減搖裝置控制系統的減搖效果在低航速下優于傳統的鰭的減搖效果,而且在中、高航速下鰭的減搖效果也能達到傳統鰭的減搖效果,打到了設計的目的。
  18. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁電流條件下的阻尼與測試阻尼進行了較,分析了產生誤差的主要原因;對阻尼器產生溫度效應產生的主要原因進行了分析,提出了應該提高磁流變體的溫度穩定性;導了磁流變體的感性和容性流動方程,從上分析了磁流變體的感性和容性對阻尼器特性的影響。
  19. By employing a method of combining narration with argumentation, logical inference with comparative analysis and qualitative analysis with quantitative analysis, by taking the standpoint of historical materialism and based on interdisciplinary application of such economic principles as comparative cost theory and international relation theories, the present paper intends to make a breakthrough in the traditional theoretical framework of oil security and probe into the issue of oil in the middle east and china ' s oil security in some way

    本文採用敘述與議相結合,邏輯較分析並舉,定性分析與定量界定相結合的方法。堅持歷史唯物主義的基本立場,以較成本等經濟學原與國際關系的交叉運用為基礎,求突破傳統石油安全的框架,對中東石油與中國的石油安全戰略進行一定程度的探討。
  20. In this thesis theoretical solution of inhomogeneous polar orthotropic plate was deduced and plate with clamped edges was taken as example. the displacement in radius direction, inner - force in radius direction, inner - force in annulus direction and buckling load with different core - radius ratio were worked out. the effect of core - radius ratio to the result was discussed in the conclusion

    本文從導出了非均勻極正交各向異性圓板的精確解,並且以夾支圓板作為算例,計算了在不同核徑的情況下,圓板受外部縱向均布載荷作用后的徑向位移、徑向內、環向內,以及屈曲載荷,討了核徑對計算結果的影響。
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