逆步 的英文怎麼說

中文拼音 [nìbù]
逆步 英文
contragredience
  • 逆 : 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...
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  1. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  2. They are paleozoic ~ early mesozoic - fold deformation and the appearance of reversed fault ; mesozoic - the beginning of graben faulting - block period ; early cenozoic - the phase of broke - the forming of block hill ; late cenozoic - the phase of segging - the forming of buried hill. we mark off five kinds of buried hill belts. they include three different kinds of trap on the basis of the cause of trap formation

    本次研究在重新認識濟陽坳陷區域構造背景的基礎上，將濟陽坳陷古生界潛山的形成過程分為四個階段，即古生代早中生代?穩定沉降?隆升?輕微褶皺變形及逆斷層發育階段、中生代?初步斷陷階段?塊斷期、新生代早期?斷拗階段?塊斷潛山形成期以及新生代晚期?坳陷階段?潛山定型期。
  3. In this paper, the inverse operator method ( iom ) is described, which has been developed in the past decade. this paper introduces the basic thought of method, steps as well as crucial technology

    本文詳細介紹了近年來發展起來的逆算符理論，闡述了逆算符方法的基本思想，步驟以及關鍵技術。
  4. Variable voltage and variable frequency ( vvvf ) inverter control technology applied by ford passenger lift extends the utilization from the elevators drive system to the door machine system, plus its matching none link lever synchronous belt type door machine structure, it results in the more smooth sensitive and secure door open and shut. the passengers feel the doubled warmth in entering into and exiting the elevators

    福德乘客電梯所應用的變壓變頻（ vvvf ）逆變器控制技術，從電梯驅動系統延伸運用到了門機系統中，加上與之相匹配的無連桿同步帶式門機結構，使電梯門的開啟和關閉更加平穩、靈敏和安全，令進出電梯的乘客倍感親切。
  5. Further discussion on nonnegative matrix having same nonnegative moore - penrose and group inverse

    逆的非負矩陣的進一步研究
  6. Repeat the above step, but this time start pirouetting counterclockwise

    機體以逆時針的方向保持自旋，重覆執行步驟3 。
  7. On changes of physiology and biochemistry and plant hormones in super rice seedlings by different stress signaling

    不同逆境脅迫信號對超級稻幼苗生理生化影響及植物激素變化的初步研究
  8. Disconnection is the reverse of synthetic steps or reactions.

    切斷是合成步驟或反應之逆。
  9. Abstract : direct limit and inverse limit are the methods producing new algebra in universal algebra. in order to further study the production of the new algebra, authors define the family of duplicate set and duplicate limit, discuss the algebraic duplicate limit, the characterestics of the once more duplicate direct set and more duplicate direct limit, the family of once more duplicate direct direct algebra and the limit of once more duplicate algebraic set family

    文摘:直極限和逆極限是泛代數中生成新代數的方法，為了進一步研究新代數的生成，筆者給出了重集族和重極限的定義，討論了代數的重極限；其次研究了二重直集族和二重直極限及相應性質，討論了二重直代數族和二重直代數族的極限
  10. Therefore, how to ensure the simulation precision and accuracy is crucial to engineering applications. further improve the automated theory, and continually enhance the accuracy of simulated body structure is the focus of research on anti - collision simulation

    基於一步成形逆有限元方法可以對車身結構件的成形厚度和塑性應變進行預示，改進這一方法，並應用於車身結構件碰撞計算模擬中。
  11. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題：給出了計算平面格點上dirichlet問題的5種方法：證明了迭代法和松馳法都是指數收斂的，並分別給出收斂速度的估計；討論了一般電路上的隨機徘徊，驗證了電路與可逆的遍歷markov鏈是一一對應的；給出了電路電壓的概率解釋：當把1伏電壓加於a ， b兩端，使得v _ a = 1 ， v _ b = 0時，則x點的電壓v _ x表示對應的markov鏈中，從x出發，到達b之前到達a的概率；進一步地，給出了逃離概率與有效電阻之間的關系：從a出發，在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  12. In the receive site, we operate non - chaos synchronization in reverse and resume binary message sequence by the correlated rule of the sender

    接收端根據發送端的相關規則，進行非混沌同步的逆運算，恢復出二進制信息序列。
  13. The sea was very rough in the straits, full of eddies formed by the counter currents, and the chopping waves broke her course, whilst it became very difficult to stand on deck

    海峽中的水流非常急湍，到處都是逆流造成的漩渦。唐卡德爾號走得非常吃力，急促的海浪阻礙旨它的前進。如今在甲板上，很難再站穩腳步。
  14. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  15. In this paper, through treating lines reciprocal transformation to a matrix, cogradiently reach the eigenvalue and eigenvector of a matrix, to solve the question treat a eigenvalue under without parameters, and given some advanced theorems

    摘要通過對矩陣進行行列互逆變換，同步求出矩陣特徵值及特徵向量，解決了不帶參數求特徵值問題，並給出一些新定理。
  16. Automorphism group of a linear code is obtained with the help of the general linear group constructed by all invertible matrices, and it is illustrated by matrices generalized inverses

    給出了通過求解可逆矩陣構成的一般線性群，獲得線性碼的自同構群的方法，並利用矩陣廣義逆理論，對線性碼的自同構群進行進一步刻劃。
  17. In the case ( 3 ). we also have that each critical component and its inverse images under iterations are homeomorphic to the filled julia set of a quadratic polynomial with connected julia set. each of the other components of a ' ( / ) is a single point

    對于（ 3 ） ，我們進一步有：填充juia集包含臨界點的周期分支及其迭代逆象同胚於一個有連通julia集的二次多項式的填充julia集，而其他分支都是單點。
  18. Contragradient linear transformation

    逆步線性變換
  19. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  20. 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的地震反應分析方法，其中包括樁-土-結構相互作用、行波效應等因素對結構物的影響；其次，利用結構矩陣分析中的主從變換和逆步變換，推演了幾個特殊單元的剛度矩陣，包括橡膠隔震層單元和帶剛域構件單元；最後，考慮樁-土-結構相互作用和行波效應的結合，分別建立隔震與非隔震連續剛構橋地震反應分析模型，通過有限元法對兩種結構進行時程分析，結果表明：隔震層上部結構的地震加速度反應、位移反應均明顯減小，這說明隔震的連續剛構橋具有很好的抗震能力。
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