element characteristic 中文意思是什麼

element characteristic 解釋
單元特性
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. Error estimates of characteristic finite element method for nonlinear advection - diffusion equation

    非線性對流擴散方程特徵有限元法的誤差估計
  2. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法，通過系統考慮電子相關效應和馳豫效應，分別研究了cs離子的4d內殼層激發態衰變動力學特性，超重元素bh （ z = 107 ）的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
  3. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  4. Based on the real structure of the forewing and hindwing of dragonfly, the plane geometric models of biomimetic wings are created using some cad software. then the three - dimensional finite element models of biomimetic wings are built by choosing the suitable element types and characteristic parameters

    本文基於蜻蜓真實的翅翼樣本，利用相應cad軟體分別建立了前、后翅翼的幾何結構模型，並通過選擇適當的單元類型及設定特性參數，完成三維仿蜻蜓前、后翅翼的有限元建模。
  5. In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91

    第三章簡要介紹了大型有限元軟體sap91 ；對車架有限元建模及分析中的若干問題進行了討論；利用有限元法和數學規劃法相結合，提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法；針對某導彈發射車車架的結構和載荷特點，利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。
  6. This paper discusses the characteristic of inductivity coupled plasm atomic excite spectroscope and applies the analysis method to measure the atmosphere corrosion rusty layer samples from qingdao and chengdu. we get the relative content of each element of rusty layer and show the charitable situation that the relative content varied with the change of corroded environment and time

    概述了電感耦合等離子體光譜法的特點，並運用該光譜法對青島和成都兩地的大氣腐蝕銹層樣品進行了比較測試，得出了銹層中各元素的相對含量及其隨腐蝕環境和時間的變化情況
  7. So combine the item of “ space targets surveillance photoelectricity telescopes arrays system ”, this thesis does research in developing space targets visualization system. the main achievement in this thesis can be summarized as follows : 1. expatiate e the basic theory of satellite track dynamic, analyse the orbit characteristic of two - body problem and launch window, subastral point calculation, visibility and coverage analysis, two - line element sets

    本文結合「空間目標監視光電望遠鏡陣系統」課題，進行了空間目標可視化系統的設計和研究，主要作了以下幾方面的工作: 1 、闡述了衛星軌道動力學的基本原理，分析了二體軌道特性和發射窗口的基本特性，星下點軌跡計算、可見性和覆蓋分析和兩行根數。
  8. According to experimental data and related standard, the finite element model of frame has been set based on its geometric model through simplified processing, selecting element, dividing mesh grids, load cases setting and putting characteristic etc. on the basis of this, the integrated finite element model of motorcycle has been established including frame, engine, suspension, wheel, rider and oil box etc. to understand the relationship and dynamic property of frame and integrated motorcycle, mode analysis and frequency response analysis have been done

    根據實驗測試數據和有關標準規范，以總體設計階段得出的車架幾何模型為基礎，通過模型簡化、單元類型確定、網格劃分、工況設置、邊界處理、物理特性賦予等，建立車架的有限元模型。並基於此，建立整車的有限元模型，包括車架、發動機、懸架、輪胎、乘員、油箱等。
  9. Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock

    通過對礦床的常量元素、微量元素、稀土元素、流體包裹體特徵、氫氧同位素、硫同位素、鉛同位素等特徵的研究，認為成礦物質主要來源於上地幔，與周圍巖石存在著同源的可能性，後期有一定的上地殼物質混入，成礦作用有三期，分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。
  10. In this pater, we define a new numerical method called the characteristic mixed finite element method for approximating the solution to two kinds of evolution equation

    本文針對兩類發展方程提出一種新型數值模擬方法? ?特徵混合有限元方法。
  11. This experiment focuses on the characteristic of green refrigerant r600a in a small parallel flow aluminum closed two - phase thermosiphon and measures all the quantity of injected mass and heat dissipation, the speed of air and the difference of temperature of the electronic element ( cpu simulate chip ) surface and environment

    處理速度達到g數量級，功率消耗更達幾十瓦。如何解決cpu散熱問題，成為關注的焦點。本實驗首次研究了綠色環保工質r600a在一種鋁質重力熱管中的工作特性。
  12. It is important to analyze the stresses and reinforcement design of spherical shell with transnormal nozzle because it is widely used in petroleum > chemicak nuclear electric and other industries. first of all, in order to explore and master the characteristic of stress distribution on this structure and to find reinforcement design which can accommodate to different instances, the stresses of a series of models with different t / t and r / r were analyzed by the finite element procedure - ansys

    首先，為了更進一步了解和掌握球殼超標開孔平齊接管結構的應力分佈特點，並找到適用於不同情況下的補強設計方法，本文利用ansys有限元分析計算程序對不同開孔率和不同厚度比的一系列球殼超標開孔平齊接管結構進行了應力分析，得到了應力分佈曲線和應力集中系數曲線。
  13. Boundary element method on characteristic impedance of tem transmission cell

    用邊界元法分析橫電磁波傳輸室的特性阻抗
  14. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  15. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  16. From the characteristic of district geochemistry, we can figure out, cu, ag, pb, zn abnormality main spread along the west branch river set and close to border layer, and the rock chemistry analysis prove, west branch river set have the higher ag chemical element abundance, the cu have the characteristic of asymmetry distribute, and display the migration of element in the late multiphase tectonic activity

    從區域地球化學特徵可以看出， cu 、 ag 、 pb 、 zn等元素異常主要沿西岔河組及相鄰層位分佈，巖石化學測量證明，西岔河組在區域上具有較高的ag元素豐度值， cu元素具不均勻分佈特徵，顯示出元素在後期的構造活動中的活化遷移。
  17. Comparison of element characteristic peak counts for porcelain pieces with different shape before and after correction were made

    給出了對不同形狀瓷片中元素特徵峰計數校正前後的比較。
  18. By the use of dynamic buckling supplementary restraint conditions at the compression wave front of cylindrical shells at the instant when the buckling occurs, the critical load and dynamic buckling modes of shells were calculated from the solutions of finite element characteristic equations

    計算結果揭示了圓柱殼彈性軸對稱動力屈曲變形發展的機理，以及軸向應力波和屈曲變形的相互作用規律。
  19. The first part of this text recommends and explain the intension of the system of executive stock option with its key element, characteristic, current development, positive and negative effects, etc. which offering basic support for following analysis ; the second part, described the behavior of stock price and black - scholes option pricing model from the angle of quantitative analysis, and discuss the value factor of stock option with its encouragement, analyzed the change of every factor in black - scholes option pricing model impact on option worth ; then analyzed the leverage effects and manager ' s morals risk model of executive stock option, at last, considering the main defect existing in the system of executive stock option at present, that is : it depends on stock market unduly, and the stock option incomes of manager has no relationship with manager ' s achievement. this text bring forward the manager synthesizes achievement and appraises model

    本文的第一部分全面介紹和闡述了經理股票期權制度的內涵，構成要素，特點，發展情況和正負效應等，為後面的分析提供了基本支持；第二部分，從定量分析的角度出發描述了股票價格行為和black - scholes期權定價模型，並以此為理論基礎探討了股票期權的價值因素和激勵性，分析了black - scholes期權定價模型中各因素的變化對期權價值的影響；接著分析了經理股票期權的杠桿效應和經理人道德風險模型，最後，針對當前經理股票期權制度存在的主要缺陷即：過度依賴股票市場，經理的股票期權收入與公司的業績缺乏相關性這一問題提出了經理綜合業績評價模型。
  20. Key - element characteristic and variety development of the winter sports tourist resource in heilongjiang

    黑龍江省冰雪體育運動特色旅遊資源要素特徵與多元化開發探析
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