逆合力 的英文怎麼說

中文拼音 []
逆合力 英文
anti-resultant
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 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. One new type double backspin rotor type sand mixing machine passes technique appraisal of qingdao tianheng machinery co., ltd. this machine adopts double rotor configuration researched internationally ; the rotor is installed on different output axis of same reducer, which produces comparative cross cutting speed by using rotors with different speed that makes sands get strong cutting and friction force. therefore, it can reduce clay and quicken sand mixing

    一種新型雙轉子式混砂機在青島天恆機械有限公司通過技術鑒定,該機採用國際首創的雙轉子結構,其轉子安裝在同一減速器的不同輸出軸上,利用兩個軸的不同轉速使轉子間產生相對交叉剪切速度,使砂子受到的沖剪及搓擦加強,從而減少粘土團,加快砂子的混
  2. Mechanics analyzing of contractile spring in the washer chutch

    洗衣機離器止彈簧的學分析
  3. ( 4 ) on the efficient method for the dynamical core of the new generation multi - scale forecasting model i ) we present a new multi - level sparse approximate inverse preconditnioner for the complicated 3 - d helmholtz equations in the new generation weather forecasting model. as a result, the new sparse approximate inverse preconditioned gcr and gmres algorithms are given and successfully applied in the dynamical core. numerical tests show that the new algorithms perform very efficiently, and can greatly improve the efficiency of numerical model

    對此,本文提出了一種基於逐層門限技術的近似矩陣稀疏模式預選方法,並構造了相應的稀疏近似預條件子,結gcr演算法和g州[ r衛s演算法,首次將逐層門限稀疏近似預條件子應用於新一代多尺度預報模式動內核的實際計算,數值實驗表明這里給出的方法可以大大提高數值模式的計算效率。
  4. From the last century ninetieth, microprocessor relay protection technology has been rapidly developed and widely used in our country. it has become an inevitably flow and trend in the development of relay protection technology. but there are scarce experimental devices of microprocessor relay protection at present in our country and the devices which are being used have the defect of function single, inconvenient, and high cost etc. based on this condition, an experimental and training system for the multifunctional microprocessor relay protection and substation integrated automation is explored and developed in this paper

    從上個世紀九十年代起微機繼電保護技術在我國得到了快速的發展和廣泛的應用並已成為繼電保護技術發展不可轉的潮流和趨勢,但是微機保護實驗設備的開發在我國幾乎是一片空白,僅有的微機保護實驗設備也存在著功能單一、體積大、成本高等諸多缺點,基於這一現狀,本文著研究和開發一種多功能微機保護與變電站綜自動化實驗培訓系統。
  5. To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture

    成孔徑雷達( inversesyntheticapertureradar ,簡稱isar )信號處理對接收到的運動目標的回波信號進行相干處理,等價成一個大口徑天線,很大程度上提高了方位向距離分辨
  6. Conclusions : the addition of spironolactone to candesartan has significant beneficial effects on lv reverse remodeling in patients with mild - to - moderate chronic systolic hf

    結論:坎地沙坦聯螺內酯治療對輕中度慢性收縮性心衰竭患者的lv重構有明顯益處。
  7. In the summer, a young designer ' s fancy turns to thoughts of. . how they can supplement their income and prop up their businesses by creative collaborations with other industries, thus exploiting their aesthetic abilities without cannibalising their own work and optimising the only down - time fashion has to promote their name without using up their own marketing budget

    今年夏季,年輕設計師將設計思路轉向一些想法… …他們如何能通過與其它行業的創造性作,提高自己的收入和促進自己的業務,從而在不影響自己工作和違時尚潮流的前提下,發揮他們的審美能,打響自己的名號,同時又不會花光自己的營銷預算。
  8. Focused on " understanding media ", the article analyses in chapter i the key media theory of employing what could be of mcluhan in a thoughtful angle , and advances the viewpoint of " human being - the extending of media ? ". in chapter ii 、 in the following third part , the idea of " media ' s endding " is expounded and demonstrated , which is composed of three parts : extreme of speed , content of the content , and human being ' s last extending - the extending of central nerves 。 in the final part , the general conclusion ? ? electronic media ' s influence on human behavior is given , that is human are under universal narcissism and pacing to the bottom of it impelled by electronic speed. the article has five original points in it : first of all, in virtue of " content theory " , it analyzes the theory of " meida equals to information " by mcluhan from a scale theory stand. secondly, the tremendous power of electronic media is emphasized from an implosion view. in the third point, the article advanced originally that, after extension of central nerve system, human themsevels reverse to an extension of media and turns into a node of it ; at the same time, the article proposes that, all extensions before that of central nerve are " controllable extension ", however, it reverses to " uncontrollable extension " while extending ; then the authur put forward for the first time that, the concernful reason obsessing human is the failure of their in - body central nerve system " s jointing and controlling on out - body central nerve system naturally. 。 the fourth point is, the article demonstrates systematically the idea of " media ' s endding " from three levels solely by thoughtful means, and this is the most revolutionary point of it all

    論文的創新之處有五點:一是從「尺度論」的角度,藉助「內容論」來解讀麥克盧漢的「媒介即訊息」的思想;二是從「內爆」的角度突出電子媒介的巨大量;三是獨創提出在電子媒介時代,人類延伸了自己的中樞神經系統之後,人類本身被轉為媒介的延伸,成為電子媒介的一個節點;同時在本章節中提出中樞神經延伸之前的所有延伸為「可控延伸」 ,而中樞神經被延伸時「可控延伸」轉為「不可控延伸」 ,並首次提出,困擾人類種種問題的重要原因是體內的中樞神經系統無法無縫地對接和控制被延伸出去的體外中樞神經系統;四是獨自運用思辯的量從三個層面綜論證了「媒介的終結」的觀點,此處論證為本文最大創新之處,而此結論也將具有重大的理論與現實意義;五是根據以上幾個部分的論述,對人類目前的總體狀態作了一個定性的判斷,即:我們這個時代的迷惘在於我們深陷於自戀的漩渦里難以自拔,在電子媒介以其固有的電速度的推動下,我們走向自戀的盡頭。
  9. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    成孔徑雷達通過發射大帶寬信號獲得好的距離解析度,利用目標相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向分辨
  10. Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it

    壓電陶瓷能與基體材料很好結,具有制備容易、耐熱、耐濕、強度高、頻響寬等特點,另外它具有正壓電效應和壓電效應,即當它受到機械變形時,能產生電勢,對它施加電壓時,能改變其機械尺寸,因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。
  11. And the author also put forward several proposals about top down construction in the paper, as well as summarized and advanced the developing trend of top down construction and the problems which should be made gret efflorts to solve

    文章最後結具體工程實踐,對作法施工工藝的具體應用進行了介紹,詳細說明了作法的效果。文章還總結並提出了作法在我國的發展趨勢及應努解決的問題。
  12. We educed the principal factors that led the young seedling of lilium tsingtauense population to die were imputed to the serious drought during l ~ 2years old, and the deficiency of soiar light in the communities, as well as in weaker intrinsic resistance to unthvorable environmental conditions

    環境篩分析得出,導致青島百種群幼齡個體死亡的內在原因是其較弱的抗性和適應能,外在原因是嚴重的乾旱和水澇、群落內的光照不足及外界干擾。
  13. And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available

    第三章首先概括了目前機器人連桿慣性參數識別的四種方法,總結這些方法的優、缺點;指出這些方法存在的問題是:或者需將機器人解體,不能在線進行參數識別,或者不能給出機器人連桿獨立的慣性參數值,只能獲得慣性參數的組值,而這些方法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種基於腕傳感器的機器人末端連桿慣性參數在線識別方法,給出了該方法的理論計算和推導;研究提出了以腕傳感器輸出為前提的、基於newton - euler動學的機器人動學正向、向遞推公式;針對機器人負載參數辨識必須在線、實時的特點提出了基於腕傳感器的負載參數在線識別方法,給出了負載參數識別的步驟。
  14. 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

    在介紹系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是系統方法的一類,並結具體課題推導出的模型方程將dfl理論進行了擴展,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推導出一套實用的可將大型汽輪發電機勵磁與汽門綜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理論應用於此模型系統,結線性二次型最優控制理論設計出大型汽輪發電機的非線性綜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比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比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)進行了對比,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。
  15. The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail

    最後,結現代電電子技術,利用整流橋、變器、 mosfet等元器件設計並實現了車用永磁發電機恆壓輸出控制;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了控制線路中各主要部分的波形。
  16. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能、並針對兩輪差速構型推導了速度正解與解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  17. The irreversible thermodynamics process is discussed under non - isothermal circumstances, and the physical significance of the external terms in the three - field coupled equations is also analyzed

    探討了非等溫條件下,體系不可學過程,並對其三場耦控制方程中附加項的物理意義進行了分析。
  18. This paper put forward a new type backstop that transfer the backstop moment by the meshing components, and completed the design of the backstop

    本文提出了一種新型的由嚙元件傳遞矩的嚙式非接觸止器,並完成了止器的設計。
  19. The coordination of flexible robots present the way to overcome these disadvantages, which has abstracted some attention and is being developed in recent years. in this dissertation, on the integration of flexible manipulator and coordinated robots, the cooperation of flexible manipulators manipulating rigid loads is studied in such aspects as system dynamic modeling

    本文將柔性機器人和機器人協調操作兩個領域加以融,以柔性機器人協調操作系統為對象,在柔性機器人協調操作剛性負載的動學建模、學分析及模擬、系統的操作性能分析、操作精度控制等方面進行系統深入的研究。
  20. In this paper, using the elasticity recovery correspondence principle and the nonlinear viscoelastic continuum thermodynamics, we utilize the irreversible thermodynamics to get the nonlinear viscoelastic relations with damage

    本文結彈性回復對應原理,從非線性粘彈性材料的連續介質熱學分析入手,通過不可學定律來求出含損傷的非線性粘彈性本構關系。
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