勢電子 的英文怎麼說
中文拼音 [shìdiànzi]
勢電子
英文
thermoelectron-
Using numerical - approaching method to study the potential of assembled electron lens
用數值逼近方法研究組合電子透鏡的電勢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。It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley
分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備，通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢，將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上，自動地或受控地對選定的軍事電子設備進行干擾。Flash memory becomes an indispensable kind of products of semiconductor memories for its advantage of high speed. its usages in today ' s computer communication and consumer electronics are wide and more popular
如今flashmemory由於其自身的高速的優勢而使得它成為半導體存儲器中不可或缺的一類產品，它在計算機、通訊和消費類電子產品中的應用越來越廣泛，越來越普遍。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。Gis has been used more and more widely recently, second development of gis is the main application. the thesis introduces the latest technology and the future developing direction, and discusses realizing the automatically building and management of shantou city graphic library with aml grogram in arc / info, the process and problems about joining the e - maps of shantou city, how to build the survey symbol library with arc / info and coredraw 10
本文介紹了gis的最新技術及將來的發展趨勢，介紹了本人針對汕頭市gis系統中運用arc info下aml編程技術實現圖形庫和數據庫的自動建庫和管理所作的工作；討論了汕頭市電子地圖拼接過程中存在的問題和解決方法；並介紹了本人使用arc info和coreidraw10軟體建立測繪專業專用符號庫的工作。The industrial development in shandong should be located on the above - mentioned superior industries, known as the industries which is " inoculated " by the high and new technology and upgraded such as the leading industry like mechanism, electron, petrifaction and etc, or the traditional industry like energy source, textile, foodstuff, metallurgy and etc, or the high and new technique industry like electronic message, biological engineering, ocean and etc. correspond with the development and grandness of these strategic industry, the famousbrand products including the products of the household appliances, the utility type sedan, the refine chemical industrial products, computer software, halobios pharmacy, industrial revelation ware and etc should be created gradually, and then improve the structure of the industrial products
山東省工業發展應定位於上述優勢產業，即經過高新技術「嫁接」和換代升級的機械、電子、石化等主導產業，能源、紡織、食品、冶金等傳統產業，電子信息、生物工程、海洋等高新技術產業。相應于這些戰略產業的發展和壯大，逐步創造出包括家電、經濟型轎車、精細化工產品、計算機軟體、海洋生物制藥、工業新材料製品等在內的名牌產品，並進而改善工業產品結構。隨著中國加入世貿，為應對經濟全球化的挑戰，關于產業競爭力的研究成為一大熱點，但以往的研究都側重於從國家或企業的角度考慮問題，本文試圖從區域經濟的角度研究產業競爭力，探索提升產業競爭力的途徑，為研究中國產業國際競爭力提供借鑒和參考。Due to the hard core repulsion, the distribution function of electrons was compressed effectively. thus, we hope the new model has different properties from the standard bariev model with open boundary
由於存在硬芯勢，電子在鏈上的分佈變得稀疏，開邊界的有芯模型具有不同於標準bariev模型的性質。Proceeding from the advantages of information technology and network technology used in education, the present paper discusses how humanised modern education technology help optimize teaching methods through building up a two - way c - commerce teaching mode, with teachers playing the leading role and students as the center
摘要從信息技術和網路技術應用在教育領域的幾大優勢出發，結合電子商務的特徵，論述了現代教育技術在「以人為本」的基礎之上優化教學手段，通過建立雙向互動的以教師為主導、學生為主體的新的電子商務教學模式，進而優化電子商務的教學。Based on my working experience in beijing trs information technology limited and the particularities and complexity of e - government requirement and purchasing process are studied by using modern marketing theories and methods systematically in the beginning. and the actual status and characteristic of the e - government software market in china was analyzed scientifically through comparing approach of products competing dominance and market share, increscent sales ratio. then competition status of trs e - government system was evaluated by porter five forces model and a conclusion is that trs lacks of competitions power
本文結合筆者的實際工作，根據政府部門對電子政務軟體產品技術和服務要求的特殊性和其采購過程的復雜性，系統運用了現代市場營銷理論的基本原理和方法，首先分析了電子政務軟體市場發展狀況和特點，運用產品競爭優勢比較、市場佔有率和銷售增長率比較等方法，根據波特競爭力模型對trs電子政務系統的行業市場競爭情況進行了評價，得出了trs電子政務系統市場競爭力不足的基本結論。Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。We attach special significance to as many cis countries participating in the work on humanitarian problems as possible and would welcome joining the agreements on the council and fund by all the commonwealth partners. active cooperation with the cis member states in these bodies and joint work on their timely and complete material - technical, financial and organizational support will serve to strengthen the commonwealth and deepen further the existing comprehensive interaction among our countries and peoples. as before, cooperation is actively evolving with our cis partners in combating terrorism and other manifestations of extremism, crime, illegal migration and illicit drug trafficking or to be more precise - narco - aggression
雙方高度評價近年來兩國經貿合作的積極勢頭，並指出，應擴大貿易規模，通過提高高新技術、機械製造、電子產品和其他高附加值商品在貿易中的份額來改善貿易商品結構，使之平衡發展；為兩國商品、服務和投資進入對方市場創造有利條件，加強包括建立合資企業、生產性合作和轉讓技術等形式的經濟技術與投資合作；完善貿易服務體系，包括加強在銀行結算、貸款擔保、保險領域的合作，加強兩國在經貿領域的法律和行政管理等工作，使貿易制度符合國際標準；加強兩國邊境和地方間合作以及中小企業之間的聯系。With the rapid development of the semiconductor technology, large of the vacuum electronic device has replaced by the semiconductor element from the middle period of the last century. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and wide frequency band and high power field, especially in the exceed - high power field. the complexion won ’ t be changed for a long period
自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被半導體器件取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。From the middle - later period of the last century, with the rapid development of the semiconductor technology, large of the vacuum electronic device was replaced by the semiconductor element. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and high power field. this complexion won ’ t be changed for a long period
自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被其取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。Electrons from the metal will have to surmount the potential barrier to enter the semiconductor.
金屬中的電子必須克服這個勢壘層才能進入半導體。It was originally envisioned as an air superiority fighter for use against the soviet air force, but is equipped for ground attack, electronic warfare and signals intelligence roles as well
這是原來的設想，作為空中優勢戰斗機使用，為抗擊蘇聯空軍但配備用於地面攻擊，電子戰和信號情報的作用等The chairman jan. gesmar - larsen of dell ltd. that developed by the net - sell ever said that, the market rule of the elec - business time is not ever " big win small " but " quick win slow ". as far, the internet business develops quickly, every aspect of the social is impacted by the net tide. that first in and takes this field presents survival and development. the bank as the high - teck company will be impacked by the net business heavily, at the same time will fuse into and affect the net business and people ' s life. at the net business time, berween the different financial institution, between the financial institution and unfinacial institution, the limit is going to be faintaess, the amalgamation trend of the financial serve is building the foundation stone of " big business "
Gesmar - larsen曾經說過，電子商務時代的市場規則不再是「大吃小」而是「快勝慢」 。在網際網路經濟高速發展的今天，社會的各個方面和角落都在經受網路大潮的沖擊和洗禮，搶先進入和占領網路這一領域就代表著生存和發展，銀行作為知識密集型企業不可避免地受到網路經濟的強大沖擊，同時又以自身的金融特點融入並影響著網路經濟和人們的生活。網路經濟時代，不同金融機構之間、金融機構和非金融機構之間的界限趨于模糊，金融服務的融合趨勢正在構建「大金融」的基石。The first part is about advanced bill of lading and antidated bill of lading
后兩部分探討了海運單和提單發展的新趨勢?電子提單。Electronic commerce has attracted much attention for it offers significant opportunities to make businesses faster, cheaper, and more agile. however these days, it is facing severe challenge because it cannot adapt itself to users ’ expanding demand for personality and automation of businesses. this dissertation investigates the problem of combinatorial trading and applies multi - agent coalition formation methodology for it
由於具備能夠突破貿易的時空限制、降低交易的各類成本等諸多優勢，電子商務自出現至今始終備受關注，但是近年來其發展卻呈現出一定程度的震蕩和萎縮，而目前電子商務研究的理論及應用不能適應商務活動中用戶日益個性化和自動化的需求便是導致這種狀況的一個主要原因。The technology of full authority digital electronic control is a trend of aeroengine control, and the electronic controller is the primary part in an aeroengine control system
採用全權限數字式電子控制技術是航空發動機控制的一種發展趨勢，電子控制器是控制系統中最核心的部分。分享友人