極微變形 的英文怎麼說

中文拼音 [jíwéibiànxíng]
極微變形 英文
deformations infinitesimal
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 極微 : hair
  1. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  2. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
  3. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通量微分方程模型，證明了各結點利率加權和為常數即金融市場利率均衡原理，以及各結點利率極限為整個網路平均利率；其次在各結點基本利率不相同的情況下，建立了非齊次利率?流通量微分方程模型，證明了金融網路各結點利率加權和仍是一個常數，並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差；此外，還研究了開放金融網路利率?流通量方程模型，考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律，用lyapunov穩定性理論證明了模型均衡解的穩定性；最後，還研究了具有時滯的金融網路利率?流通量方程模型，並給出了具有時滯金融網路的利率流通量方程具有周期解的充要條件。
  4. Electrorheological fluids ( er fluids ) is a composite suspension of polarizable solid particles with a radium of u m dispersed in an unpolarizable continuous medium

    電流變體是由粒徑為微米或亞微米級的易極化粒子分散於低介電系數的液體絕緣介質中形成的復合懸浮體。
  5. The operating principle of the compressed electret micromotor is the variable capacitance. the attenuation time constant of the charges on rotor surface is much longer than the shaping time of electret itself while the rotor is made of electret

    扁平駐極體微電機的工作原理是電容可變原理，電機轉子採用駐極體材料製成，轉子表面電荷的衰減時間常數要比駐極體本身形成的周期長得多。
  6. Organic bentonite - yh - 958 introduction : yh - 958 organic bentonite is the self - active organic bentonite. it can be added in every step of compounding paint, it no needs pre - gel or polar activator, it has perfect rheological, anti - settling and sag prevention. besides the characters of the other yh bentonite, yh - 958 function well in high gravity, low viscosity pigment solvent system

    Yh - 958和978產品是國內首創的自活化有機膨潤土，可在調漆的任何階段加入，無需預凝膠和極性活化劑，分散細度可在20um以下，可用於面漆和底漆，提供油漆體系理想的流變性能，控制沉降和流掛，除具備同類產品的特點以外， yh - 958在較少添加量，低粘度的高比重顏料體系中形成微弱的絮凝結構，防止顏料沉結
  7. In the paper, li5mn4o83 + li5mn12o24 -, li5mn16o32 +, li17mn16o329 + clusters selected by " seed atoms " were calculated theoretically by means of the quantum chemical dv - xa calculation method. form the angle of electronic structure, the status of lithium ion and the electrochemical properties of lixmn2o4 were discussed preliminarily according to different conditions ( x = l, 2 ). based on calculation results, it ' s found that the jahn - teller distortion, which was thought to lead to poor cyclability, occurred during the discharge of lixmn204, and we also confirmed the formation of a novel phase with low energy after overdischarge ( x = 2 )

    為了從微觀上認識錳系正極材料的結構和電化學性能之間的關系，本文提出了採用量子化學離散變分x （方法，對結合「種子原子法」選取的li5mn4o83 + 、 li5mn12o24 - 、 li5mn16o32 + 、 li17mn16o329 +等錳系正極材料的原子團簇進行了理論計算，從電子結構上初步探討了鋰離子嵌入正極材料后的存在形式以及鋰離子的嵌入對電極材料電化學性能的影響，同時還從結構上對鋰離子電池的循環性能和容量進行了初步的討論。
  8. In present dissertation, firstly an analytical study on the force and deformation of an er single chain under poiseuille flow is presented from the point of microscopic view. an approximate solution of the poiseuille flow in a tube with rectangular cross is derived from galerkin approach. the balance equation of moment for the er chain is established to avoid using point - dipole model, which is not accurate enough in the case that dielectric particles are adjacent to each other

    本文首先從微觀的角度，分析電流變鏈在poiseuille流動中的受力以及變形，分析過程中推導了矩形截面管內poiseuille流動速度分佈的galerkin近似解，並採用理論力學軟索模型對電流變變鏈的受力進行分析，從而避免了點偶極子近似在粒子相距較近情況下引起的誤差。
  9. This article was to offer the necessary condition and appliction of differentiable complex function in polar coordinates system

    摘要給出極坐標形式的復變函數的可微性充要條件的證明及其重要應用。
  10. First, it points out that it is necessary to shift the cognitive concepts and foster the awareness of green. secondly, it indicates that the macro approach for government is to develop the ecological agriculture, promoting the establishment of national security authentication system for agricultural products. it also says that the micro approaches are to actively implement the international green marketing strategy and strengthen the intensity of industry organizations

    第三部分針對如何順應綠色壁壘、擴大我國農產品出口的對策選擇進行了研究，首先要轉變認知觀念，樹立綠色意識;其次提出了政府的宏觀對策是發展生態農業，建設國家農產品質量安全認證體系，建立綠色貿易壁壘預警機制;企業的微觀對策是積極實施綠色營銷戰略;形成以龍頭企業為重點的市場競爭主體;加強行業組織力度;發展農產品精深加工業。
  11. The evolution on particle morphology, microstructure, grain size and microstrain of the mixture of ti and al elemental powders during mm has been investigated. it was found that the nanocrystalline composite powders with extremely fine ti / al alternative lamellar structure ( lamella spacing about 0. 1 ~ 0. 5 m ) could be prepared by mm using proper processing parameters

    研究了ti 、 al單質元素混合粉在機械球磨過程中的顆粒形貌特徵、組織結構、晶粒尺寸以及微觀應變的變化規律，表明在適當的球磨工藝條件下可獲得具有極細層片間距（ 0 . 1 ~ 0 . 5 m ）的納米晶ti / al機械復合粉。
  12. The extreme effects of sand mining on local deformation of riverbed and evolution of river stretch in typical river sections such as straight river section, river bend and river fork are experimentally studied in micro - scale loose bed hydraulic model

    摘要採用微尺度動床河工模型試驗的方法研究了在順直、彎道與分汊等典型河道不同部位進行大規模采砂對河床局部變形及對河段變形的極限影響。
  13. At present, local morphology was used to discriminate ferroelectric phase area and non - ferroelectric phase area, but once morphology variation of phase transformation was tiny, the ferroelectric phase area and non - ferroelectric phase area was hard to discriminate only from morphology view. however, the introduction of sndm can overcome this limitation, and visualize the investigation of annealing process. combining x - ray diffraction, atomic force microscopy ( afm ) with sndm, the phase transformation process of pzt thin films with different annealing time and of plt films with different annealing temperature were studied, respectively

    結合原子力顯微鏡（ afm ） 、 sndm 、 x射線衍射（ xrd ） ，通過對微區形貌、電容分佈變化和鐵電薄膜結晶情況的表徵和分析，研究了pzt鐵電薄膜和plt鐵電薄膜的晶化過程，分析了不同退火時間對pzt鐵電薄膜微結構，不同退火溫度對plt薄膜的微結構和微區極化分佈的影響，有效克服僅依據形貌特徵判定鐵電相與非鐵電相的局限性，實現鐵電薄膜微區晶化過程的可視化分析，豐富了晶化過程的研究方法。
  14. Because the microwave field in simple milo is n mode along the axis and the field is of the standing wave structure. the tapered slow wave structure is introduced to make the field in the downstream of interaction space have a travelling wave structure and easily make the microwave energy transport out of the device

    我們在milo的陽極慢波結構葉片上引入了漸變結構，將駐波形式的電場改變為行波形式，微波在軸線方向不再保持模式，有利於微波能國防科學技術大學研究生院學位論文量的輸出，此項改進對工作主頻影響不大。
  15. In this paper, we mainly discuss the topological structure of several classes of special fourth polynomial differential systems with the first and the third critical singular point. as in paper [ l ], mr han yuliang have discussed the system in the first critical case and the system in the third critical case ( where b, a30 0 in system ( l ) and ( 2 ) ) here, we use the tools and method of paper [ l ], to study the system where, 040, b04r - { 0 }, where, 640, ao4r - { 0 }, 631, 622513, b04er for the system ( 3 ) and ( 4 ), because of their only one finite singular points, and they are saddle - nodes, we can easily give the result that there is no limit cycle in their phase portrait

    本文主要是研究在第一及第三臨界情形下的幾類特殊四次多項式微分系統的全局拓撲結構，在文獻中，韓玉良主要考慮了第一臨界情形下的系統及第三臨界情形下的系統的全局結構，並畫出它們所有可能的全局相圖， （在（ 1 ） ， （ 2 ）中， b ： a _ （ 30 ） 0 ）本文根據文獻的工具和方法，考慮系統：其中，以及系統其中，這樣，由於等號右端多項式次數的增加，極限環的存在性問題變簡單了，但討論系統的全局結構時，特別是作全局相圖時，難度增大了。
  16. The variational inequality has close relations with the theory of extreme value theory and partial differential equation, therefore, it has been extended to infinite dimensional space during the progress of relevant studies

    他們研究的變分不等式具有如下形式：這種變分不等式與極值理論和偏微分方程都有密切聯系。因此人們在研究中已經把它推廣到了無限維空間。
  17. After surveyed, morphology of the cathodes shows restore and recrystallization. furthermore after testing the emission characteristic, the surface crystal of the cathode has changed to more fine, and the re oxides become more uniform on the surface

    分析發射實驗前後陰極表面的形貌和成分變化，觀察到，在發射過程中，高溫，高電場作用下，陰極表面發生了回復和再結晶過程，表面組織微晶化，同時發射實驗后稀土氧化物在表面的分佈均勻。
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