電子電離系數 的英文怎麼說

中文拼音 [diànzidiànlíxìshǔ]
電子電離系數 英文
electronic ionization coefficient
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 電子 : [物理學] [電學] electron
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連，採集模擬量、頻率量及離散量信號等參數，並對採集的數據進行運算、比較與處理，最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  2. In the method of impulsive synchronization, both seriate system and discrete system have been discussed. a series of discrete hyperchaos systems that have the lowest dimension have been constructed, and we have achieved the impulsive synchronization of discrete system in circuit

    脈沖同步法中，分別從連續系統和離散系統兩方面進行討論，構造出一系列具有最低維數的離散超混沌系統，並通過電子線路實現了離散系統的脈沖同步。
  3. By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs

    本文利用多組態dirac - fork （ mcdf ）理論方法，通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數，系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ （ 1 . 3 ） p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響，給出了長度和速度兩種不同規范下激發態的能量和輻射壽命；以中性ne原子的研究為基礎，進一步研究了類ne等電子系列離子（ z = 11 - 18 ）較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。
  4. Lithium niobate ( linbo3 ) has been studied and documented extensively for over three decades because of its good electro - optic coefficient and acousto - optic coefficient, its ease of processing, and its environmental stability. it is readily available commercially and is the material of choice for external modulators in long - distance high - bit - rate systems up to l0ghz

    Linbo _ 3已經被廣泛的研究了三十年，由於它具有高的電光系數和聲光系數，工藝簡單，材料環境穩定等優點， linbo _ 3材料集成光子器件已經應用到實際光網路中，已經成為遠距離高速網路系統（ 10ghz以上）的外調制器優先選用的材料。
  5. The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model

    本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題，研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響，探討了低熱固相反應的機理，並通過引進「恆壓-恆流充電容量比」的概念，給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。
  6. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  7. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  8. A method is proposed to construct a localized active functional space from the density matrix of a large system. the large system is partitioned into central and surrounding areas. the active functional space is mainly localized on the central area. it contains all basis functions centered at the central area and all the orbitals which consist of the basis functions localized in the surrounding area and interact with the basis functions in the central area to a certain extent. an integral number of electrons are involved in the localized active functional space which can be considered as a relatively independent subsystem in the large system and for which formally isolated quantum chemical calculations can be performed. the related program has been coded and is checked through calculating the number of 4

    報道了從大體系的密度矩陣出發構造定域于指定局部的活性泛函空間的方法和程序。將大體系劃分為中心區和環境區，活性泛函空間包含中心區的基函數及與其有相互作用的環境區軌道，容納整數個電子，構成大體系的一個相對獨立的子體系，可以在其中進行獨立的量子化學計算。通過計算鑭系氯化物和水合離子的4
  9. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明：膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量，且接枝苯乙烯相互間的位阻效應對膜性能影響很大；膜的性能可與nafion膜相比較；質子在膜中的傳導遵循「似液體」質子傳導機理；電滲析與擴散作用使膜保持水平衡。
  10. This analysis will play an important role on the manufacture of the electrode and improvement of the fuel cell ' s performance

    其中有效的離子傳導系數、各物種的配比、膜的厚度對過電壓有比較大的影響。
  11. The main research contents of the technical design include : analyzing the necessary parts of the solar x - euv telescope and the method of imaging x and euv ray ; developing the optic, electronic and mechanical design of this instrument ; computing solar x - euv imaging telescope ' s response to different temperature plasma, analyzing combination application of telescope filters for reconstructing the plasma paramaters and apprasing the telescope ' s response to the solar activities

    技術設計的主要內容包括：分析瞭望遠鏡的系統組成及成像方式選擇；完成太陽x - euv成像望遠鏡光學、電子學、機械等方面的技術設計：計算分析了太陽x - euv成像望遠鏡對不同溫度的等離子體響應、反演高低溫等離子體參數的最佳過濾片組合利用及望遠鏡對不同太陽活動現象的響應。
  12. Dielectronic recombination coefficients of cu - like of au50 ion

    類銅金離子的雙電子復合速率系數
  13. The product has the following characters : all - purpose input, completed separated signal channels, collection of the signal data by scanning, the display technique of lcd big screen, flash memory ; capacious compatible floppy disk, 36 types of signals, multiple alarms, communication of rs232 / 485 and hart confered - link with a view to second generation technique of the field - bus. during the developing course, i used the method of reliability design to design hardware, and researched carefully the process of weak signal. pass to practice, the product has achieved all aim of the design

    系統在功能上實現了萬能輸入，信號通道之間的完全隔離，信號的掃描採集，大屏幕lcd顯示技術， flash存儲器進行數據存儲，大容量的具有兼容性的電子軟盤， 36種信號方式，多種報警方式， rs232 / 485通訊，以及著眼于下一代的現場總線技術的hart協議介面等。
  14. A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation

    利用離子束增強沉積設備，在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時，用氬、氫混合束對沉積膜作高劑量的離子束轟擊，使得被氬離子轟擊后斷鍵的氧化釩分子，再被注入氫降價，然後經適當的退火，成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜（國外報道值為2 - 3 ） ，並研製了單元懸空結構探測器和8 1 ， 16 1線性陣列。
  15. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中，提出了採用動態確定邊界條件，通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓，本系統既能準確客觀地描述電子束輪廓，又能夠準確快速地測量電子束著屏誤差等多種參數，為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  16. 6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures

    系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數，分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響，並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測，為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。
  17. Today there are no our own r & d as 1773 bus system. in order to keep pace with the international state of art technology, we are liable to perform our own r & d on the optic fiber transmission data bus and the optic fiber control system

    當前航空電子系統對數據信息的交換能力提出了更高的要求，目前在國內，還沒有自己開發的as1773總線系統，為了縮短與國際先進技術的距離，有必要對光傳數據總線與光傳操縱系統進行跟蹤研究。
  18. The main works are : 1 the web structure of this system consists three levels : display, logic and data store. in display part, applying xml and xsl technology to separate the content of xml document and its vision ; in logic part applying schema of xml to define the bidding document and make use of dom technology to create xml form bidding document online at real time

    該系統的web體系結構劃分為3層結構：顯示層、中間邏輯層和數據存儲層。在顯示層，採用了xml與xsl技術，將顯示與xml文檔的內容分離；在邏輯層利用了xml的schema技術定義標書的文檔，採用dom動態的在線生成xml格式的電子標書；在數據存儲層，採用了xml文件做存儲體的同時實現了數據庫到xml文件的轉換； 2
  19. The safety refers to four layers : the physical layer, the network layer, the system layer and the application layer, which includes many contents such as network insulation, encryption, safety detection and monitoring, safety audit, virus protection, access control, identity certification, data copy and recovery, security management, etc. starting with the application layer of safety system, this article, based on j2ee, researches the privacy protection, completeness, facticity, availability and controllability of information in e - government

    其安全性涉及到物理級、網路級、系統級和應用級四個層次，具體包括網路隔離、加密、安全檢測與監控、安全審計、防病毒、訪問控制、身份認證、數據備份與恢復、安全管理等幾十項內容。此課題從安全體系的應用層出發，基於j2ee技術，對電子政務系統中信息的保密性、完整性、真實性、可用性和可控性等方面進行研究。
  20. ( 3 ) this thesis applies the elliptic curve cryptography over finite fields to the status authentication systems in the electronic commerce and proposes a new status authentication mechanism based on the discrete logarithm problem in the points on elliptic curves over finite fields. this new status authentication mechanism can provide increased speed and decreased key size for a given level of security

    山東師范大學碩士學位論文? ?電子商務系統中的安全機制研究（ 3 ）將有限域上的橢圓曲線密碼演算法（ ecc ）應用於電子商務中的身份認證系統，提出基於有限域上橢圓曲線點群中離散對數問題的身份認證機制，僅用短的密鑰就可以達到rsa dsa演算法很長密鑰的安全強度（目前，大約224bits的ecc就可以達到2048的rsa的強度） 。
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