電子密度數據 的英文怎麼說
中文拼音 [diànzimìdùshǔjù]
電子密度數據
英文
electron-density data- 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...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 電子 : [物理學] [電學] electron
- 數據 : data; record; information
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The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data
第二章在分析電子提單運作中的安全隱患的基礎上,歸納出其六大安全要素,即系統的可靠性、交易者身份的真實性、數據電訊的機密性和完整性、數據電訊的合法有效性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析:第三章介紹了電子提單網路安全體系的建立以及系統安全保護法規,第四章則介紹了電子提單的安全認證機構,第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制,第六章介紹了數字簽名的概念及原理,並以bolero為例介紹了數字簽名的技術方式,對有關法律問題作了論述;第七章首先論述了電子提單對有效性的法律需求,然後結合國內法和國際規則的規定論證了數據電訊制度產生的必然性;第八章通過對各國立法對電子證據的法律效力的規定,論述了對電子交易至關重要的數據電訊的不可抵賴性。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。In the past few years, with the development of electronic technology and semiconductor storage device, solid state recorder ( ssr ) based on dram and flash memory has taken place the tape recorder, magnetic disk and magnetic - optic disk and been the dominating solution for the storage of mass data in the spacecraft
近年來,隨著電子技術的發展和半導體存儲器密度的不斷提高,以dram和flash為主的固態大容量存儲器逐漸取代了早期星上的磁記錄設備而成為空間飛行器數據記錄的主流方案。Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability
本公司根據目前市場需求,生產出各種型號的黑、白陶瓷產品,廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面,系列產品有高頻損耗少,比體積電阻大,介電常數小,強度高,氣密性、熱穩定性、化學穩定性好等特點。The company main product includes : the vacuum electron gun, opticsmembrane level thickness measuring instrument, the electron gunscanning control meter, the high efficiency crystal thyratron pressureregulator, the precise optics with the power source, the electricitycontrol the cabinet, the data acquisition module and so on
公司主要產品有:真空電子槍、光學膜層厚度測量儀、電子槍掃描控制儀、大功率晶閘管調壓器、精密光學用電源、電氣控制櫃、數據採集模塊等。The table will write down all about the electronic records during their life period. the content noted in the table will be the only basis on original and reality " testing of electronic records ". the major task of the second levels is to build the tight filing rules, moreover, combined the " life cycle table ", to build the test system to assure the original and the reality of the information during filing ; the assignment of the third level is to build testing and restoring measures of the original and the reality. by maintaining the media of electronic archives or building information file of electronic archives etc, electronic archives can maintain their available ^ visuak understandable during their deadline ; meanwhile, to build the safe control of the system through the workers dispersed authorization and deterring skills, to formulate the standards of the protective system, such as the standard of the basic structure of united electronic records ^ electronic archives. all of this is important to protect the original and the reality of electronic records and electronic archives
「生命周期表」所記錄的內容將作為電子文件歸檔時檢驗原始性、真實性的唯一依據;電子文件歸檔管理層中的主要任務是要建立起嚴密的歸檔制度,同時結合「文件生命同期表」建立檢驗措施保證電子文件在歸檔過程中信息內容的原始性、真實性;電子檔案保管層中主要任務是建立電子檔案數據原始性、真實性檢驗及原始數據恢復管理措施,通過對電子檔案載體的維護、建立電子檔案維護管理的信息文檔等工作,確保在保管期限中的電子檔案保持其可用性、可存取性、可理解性:建立電子文件與電子檔案原始性、真實性保護體系安全控制,通過對系統工作人員授權分散化、建立用戶標識與認證技術等措施確保「保護體系」安全運行;加強「保護體系」涉及的標準與規范的制定工作,如建立統一的歸檔電于文件、電子檔案基本結構等標準對保護電子文件、電子檔案信息原始性、真實性有著重要意義。Then these separated interferograms can be recorded by ccd camera the experiments with the multi - frame interferometer was carried out on a small gas - puff z - pinch device with 23 kv working voltage and 210 ka peak current and about 2 risetime, and good results were obtained
該套干涉儀在小型噴氣式z箍縮裝置上進行了實驗, z裝置的工作電壓23kv 、峰值電流210ka 、電流上升時間約2 。根據干涉圖條紋的移動數,可以計算出等離子體的電子密度和運動速度。This paper is part of the national 973 key project for " fundamental study on novel ultra - high density and ultra - high speed optical information storage and processing ". upon the profound research on the nas technology, a modularized network - attached storage system has been implemented, which the concept of modularization design is used. the approach presented in this paper includes two parts
作為國家973項目: 「新型超高密度、超快速光信息存儲與處理的基礎研究」中的子課題六? ? 《快速并行數據存儲處理研究》的一部分,本文將已被廣泛應用於機械、電子、建築、管理等領域的模塊化設計理念運用到網路存儲體系的設計當中,深入研究了nas技術,實現了模塊化的附網存儲系統。Organic - inorganic nanocomposite, which are the complex of inorganic nanopraticles with organic compound, is a popular study subject in nanoscale composite. the nanocomposite can not only take advantage of several advantage, but also produce new properties. in this thesis, taking account of the problems in electrorheological fluids such as high leakage current, low yield stress and stability, the pan - batio3 nanocomposite with different structure are prepared by in - situ complex technology and modified sol - gel method
根據目前電流變液中出現的問題(如屈服應力不夠高,漏電流密度不夠低,穩定性不夠好等問題) ,基於聚苯胺有較高的熱穩定性,且密度又小,特別是聚苯胺的介電常數和電導率均可按需調整,此外,鈦酸鋇無機納米粒子作為一種無機鐵電體,在電場作用下具有自發極化的能力,一方面可以為體系提供高的介電常數,另一方面又可保證體系的絕緣性能。According to the basic theory of iir filters, a scheme of hardware implementation is worked out combining with the fact that coefficients of numerator and denominator of transfer function are fixed and the structural feature of selected hdpld. from the clew of implementing a stratified , modularized and parameterized design , the thesis describes the hardware implementation of the iir filter with vhdl and schematic diagram design method. two examples that are iir notch filter and iir low - pass filter are given , the stability of filters and the effects of quantification of coefficient are also analyzed
以iir數字濾波器的基本理論為依據,結合濾波器的傳遞函數分子、分母系數固定這一事實和選用的高密度可編程邏輯器件的特點,確定了iir數字濾波器的硬體實現方案;按照層次化、模塊化、參數化的設計思路,採用vhdl硬體描述語言和原理圖兩種設計技術進行了iir濾波器的硬體設計;本文給出了iir陷波濾波器和低通濾波器兩個設計實例,對設計的濾波器都進行了穩定性分析和系數量化影響分析;最終將完成的iir濾波器的硬體設計配置到晶元中,並在製作的實驗電路中進行了實際濾波效果測試。According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated
本文根據電磁場理論,從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型水輪發電機的電磁場,採用付立葉諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波,進而計算出氣隙磁場波形特徵系數。Perovskite - type complex oxides of la1 - xcaxcro3 compositions are attracting growing attention because of their superior electronic conductivity and excellent chemical stability in both oxidizing and reducing atmospheres, which makes them promising candidate materials for many important applications, such as interconnectors for solid oxide fuel cells ( sofc ), heating elements for high temperature furnaces, and current collecting electrodes in magneto - hydrodynamics ( mhd ). in this dissertation, the gnp ( glycine - nitrate process ) method has been employed to synthesize la1 - xcaxcro3 oxides. the synthesis and preparation, sinterability, electrical conducting properties and thermal expansion properties of la1 - xcaxcro3 oxides have been investigated
本文採用gnp ( glycine - nitrateprocess )法制備了la _ ( 1 - x ) ca _ xcro _ 3材料,對制備方法與工藝參數、材料燒結性能、電性能以及熱膨脹性能進行了研究,分析了ca ~ ( 2 + )含量、粉體顆粒形態對材料燒結行為、燒結緻密化溫度的影響,並研究了ca ~ ( 2 + )含量、粉體顆粒形態對材料晶體結構、顯微結構和物理性能的影響,其目的在於為該類高溫電子導體的進一步研究利應用提供實驗和理論依據。The central control room of the center adopts the xbrothers advanced professional security and facility control system in the country. this system uses the latest data float processing technology. and it collects, analyzes and disposes number of subsystems in the central room, such as
系統統採用最新的數據流處理技術,對機房內的供電監控系統環境溫濕度監控系統門禁控制系統防盜報警系統dvr視頻監控系統ups不間斷電源監控系統精密空調監控系統新風機控制系統機房水源測漏系統消防報警系統等多個子系統的數據流進行採集分析處理。Then through the optimization of the code, we can get the dependence of free electron ' s lifetime and the number of recombination events on the density and depth of traps
通過對所得數據的分析,我們得到了光電子壽命以及復合事件的數量和速率對勢阱密度和深度的依賴關系。According to basic theories for distributing regular of electric field about surface single spot current source and high density resistivity prospecting method in this paper. put forward an installation which use one current electrode or dipole current electrodes and the others prospecting at the same time to realize high density resistivity method by office date processing, such as wenner pole - dipole a, wenner pole - dipole b, wenner alpha, wenner beta, wenner gamma and pole - pole array
摘要運用地面點電流源電場的分佈規律和高密度電阻率法的基本思想,提出了分別利用單極供電、偶極子供電,其餘電極同時測量,通過室內數據整理實現高密度電阻率法的溫納對稱四機、溫納偶極、溫納微分、溫納三極a 、溫極三極b和二極等裝置。Laser - scanned on - line inspection system ( lois ) involving laser, optics, electronics, fine mechanics, opto - electronic transformation and computer etc, is used to realize high speed and accuracy, non - contact and on - line inspection for rotating body types of parts, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical signals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real - time data processing
激光掃描在線檢測系統是一種基於激光技術、光學、電子學、精密機械、光電傳感技術及計算機等多學科技術於一體的高精度、高速度、非接觸在線檢測系統。它是用可見激光作為光源,把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號,再由計算機進行實時數據處理。給出測量結果,並數字顯示。During the last 10 years, with the acquisition of much valuable intensive observations in a series of typhoon field experiments, the improvement of the weather monitoring network, the upgrade of atmospheric numerical models and the rapid development of computer powers, many problems in typhoon heavy rainfall research are further studied, such as the interaction between typhoons and mid - latitude weather systems, the interaction between typhoons and topography and underlying surface, the mesoscales of typhoons and the dynamics and so on
近10年來,隨著我國一系列臺風外場科學試驗加密觀測數據的獲得、天氣監測網的逐步完善、大氣模式的改進以及電子計算機的飛速發展,臺風與中緯度系統的相互作用、臺風與地形下墊面相互作用、臺風中小尺度及其動力學等方面均得到深入研究。Electronic commerce, as a result of high speed development in communications, network and information technology, combines the enterprise, supplier and customer of traditionary commerce firmly with its powerful data information and efficient corresponding network, which can press manufacture close to consumption, and can reduce transactiona ! cost of material flow, fund flow and information flow. so we say electronic commerce is a thoroughly commerce innovatory mode, it is a direction of trade in the future
電子商務作為通信、網路和it技術高速度發展的結晶,它應用強大的數據信息和高效的通信網路把傳統商務的企業、供應商和客戶緊密聯系在一起,使生產和消費更為貼近,減低了物流、資金流以及信息流傳輸處理成本,是對傳統貿易方式的一次徹底變革,也是未來貿易發展的必要方向。分享友人