系統主內存 的英文怎麼說
中文拼音 [xìtǒngzhǔnèicún]
系統主內存
英文
system memory- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 內 : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
- 存 : 動詞1 (存在; 生存) exist; live; survive 2 (儲存; 保存) store; keep 3 (蓄積; 聚集) accumulat...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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The second section described the accounting issues brought by cyber economy environment including the impact to the accounting suppose, accounting target, the content, the means, the process of accounting checking and the impact to the accounting information system. the third section described the ideas of the innovation of cyber economy environment emphases on the accounting business process reengineering, accounting information system innovation, assets affirmance, accounting settlement under the cyber economy environment. on basis of the third section, the fourth section analyzed the cyber accounting ' s origins, developme nt, characteristic and problems occurred in the development of the cyber accounting
本文共分四章,第一章論述了網路經濟環境下會計環境的變遷,分析了網路經濟的產生與特點,概述了電子商務及虛擬企業的特徵,並指出對企業的組織、生產、管理環境帶來的巨大變化;第二章闡述了網路經濟環境引發的會計問題,包括對會計假設、會計目標、會計核算內容、方法、流程及會計信息系統的影響;第三章提出了對網路經濟環境下的會計創新的設想,重點論述了網路經濟環境下的會計業務流程重組與會計信息系統的變革,網路經濟環境下的資產與會計確認,以及會計結算等方面的創新設想;在第三章討論內容的基礎上,第四章具體分析了網路會計的產生、發展及特點,並分析了網路會計發展過程中存在的主要問題,針對這些問題,提出了相應的對策。Based on the contrast with other method, the way " frame + rule " is choused to store the knowledge. directing against the characteristic, put forward positive and negative to the tactics of mixing reasoning. at last adopting the thought of the soft project, the modularized and open system of hydraulic turbine group is realized by delphi 6, which is an object - oriented language
在本文中,研究了水輪機組的狀態監測和故障診斷整個系統,闡明了系統主要內容和總體框架,並著重研究了作為專家系統核心的知識庫及管理系統的構建方法,在比較的基礎上採用了「框架+規則」的組合存儲方法,並且針對特點提出了正反向混合推理的策略,最後採用軟體工程的思想,用delphi6 . 0編程實現了具有模塊化和開放式的水輪機組的故障診斷專家系統。This dissertation can be divided into three parts as following : focusing on institutional risk control, this dissertation demonstrated the effect of institutional risk on dis " objects by analyzing the relationship between deposit insurance and financial development, financial stability and market discipline, in light of foreign or native primary theory and empirical results of dis. in virtue of statistical method and with the theory of game, this dissertation explored the cause the institutional risk such as moral risk and adverse selection, on the basis of which discussed the approach of controlling institutional risk and proper deposit insurance pattern. because deposit insurance assessment is the core of institutional risk control, this dissertation introduced and discussed deeply the passive casualty - insurance model, the option - pricing model, the game - theory - based pricing model, and reasonable pricing interval, and put forward the hierarchical pricing strategy of dis on the balance of information confiscatory and risk - based - assessment necessity
本文以存款保險制度風險控制為中心,在借鑒國內外關于存款保險制度的基本理論和實證的基礎上,通過分析存款保險與金融發展、金融穩定和市場懲戒等方面的關系,論證了存款保險制度風險對存款保險制度目標的影響;並藉助統計學的方法,運用信息博弈論的觀點,從主要制度參與者? ?投保機構和存款保險機構? ?的效用函數出發,對存款保險所引發的道德風險和逆向選擇等制度風險的成因進行深入的剖析,探討有效控制制度風險的途徑和制度參數的安排模式;由於存款保險定價是制度風險管理的核心問題,本文還專門對意外存款保險消極模型、存款保險的期權定價模型、基於信息經濟學的存款保險定價模型以及合理定價區間等定價模式進行深入分析和詳細評述,闡述各種定價思路的局限性和可能運用的空間,通過權衡信息的充分性和風險定價的必要性,提出存款保險制度的層次性定價策略。This thesis attempts to have an analysis and study of the interior audit ' s functions in the basic point of fact, which also attempts to search after the hypostasis, the introversion of the service and structure of the auidt. it must be designed to the enterprise ' s flow to settle the matters of the interior audit in the luhua corporations and other corporations which have the same matters in our country. for improving interior control and risk management, this thesis makes research and design to the means and process to the system guiding and risk guiding audit using viewpoint of cybernetics and systemics into the enterprise ' s basic system and key flows ' design. for the sake of adapting new position of the audit, the auther bring forward many advices and plans to improve it. it may have helpful for the corporation to enhance and improve their management, perfect their structure too. in this thesis, the auther point out that it is not a perfect structure without interior audit. do more things about audit to the management of corporations and do less to financial affairs
本文作者以內部審計的實務為基點,對內部審計的職能作了進一步的分析和研究,針對魯化企業內部審計中存在的主要問題,並結合國內大中型企業內部審計中揭露出的普遍問題,進行了分析、研究和流程設計;對內部審計的本質、服務上的「內向性」以及組織形式進行了探索;從企業基礎制度重建和關鍵流程設計的角度,以完善內部控制和改善風險管理為目標,運用控制論與系統論的觀點,對系統導向、風險導向內部審計、經濟責任審計等的方法和程序進行了研究與設計;並為適應內部審計新形勢、完善內部審計建設提出了自己的政策建議,以期對改善企業管理、加強內部控制、完善公司治理結構有所借鑒。Based on the investigation of information resource digitization projects both in domestic and abroad libraries, the authors conclude that this kind of project is a complicated and systematic project, which is composed of main elements such as project planning, source material selection, digitization work flow preparation, digital file storage, metadata extraction, intellection property right management and project management
摘要在對國內外圖書館信息資源數字化項目考察的基礎上,指出這類項目的實施是一個比較復雜的系統工程,其中所包括的主要要素有項目規劃、數字化內容選擇、數字化流程準備、數字文檔保存、元數據析取、知識產權管理和項目管理。Government ' s monopoly of capital market also leaded to the " shell " value of listed company which is irrelative to the company ' s invest value, which made the higher general price in the market. in addition to, the structure of investors which is consisting of many individual investors and few institution investors lets it easy to manipulate the stock market for the institution investors. according to the origins of the systematic risk, it is necessary to improve the market mechanism and market efficiency to eliminate the system root of the risk to decrease the risks
突出地表現在:資本市場服務于國企轉制,造成上市公司股權結構存在缺陷,致使公司治理失效,上市公司缺乏持續發展的能力,公司經營風險轉化為市場的系統性風險;政府對資本市場準入的行政性壟斷,形成上市公司「殼」價值,虛高股票市場價格,引發系統性風險;金融市場分割,特別是貨幣市場資金缺乏進入資本市場的正常渠道,利率市場化水平低,影響金融資產定價,導致違規融資盛行,加大了市場風險;而由於市場監管不到位,以散戶為主的投資主體結構,則易導致機構大戶利用內幕信息操縱股價,機構投資者的發展不僅沒有成為穩定市場的力量,反而成為操縱市場的主力,加劇了市場波動。Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。Analysis on present problens of environmental education in primary and secondary schools, and emphasis on investigating 20 schools, and proposed that education should base on the concepts of people, comprehensive development and systematic education, description on the route of rising educational effectvieness such as : novation of the concept of envinnmental education, paying attention to internal process of environmental moral of the students, strengthening position of student education and emphasizing the important role of teachers in practice were presented
分析了中小學環境教育目前存在的問題,並對20所學校進行了針對性調研,提出環境教育應樹立以人為本的觀念、綜合發展的觀念、系統教育的觀念等;著重闡述提高環境教育實效性的主要途徑有,更新環境教育觀念、注重學生環境道德內化過程、強化學生的教育主體地位等,強調了教師在實施中的重要作用。( 1 ) it sums up the three ideas of economics used to study urban planning, clearly expressing the theoretical point of view of this study, the co - existence of the theories of interlizing of externalities by a. c. pigou ' s and transaction cost and property right by ronald harry coase, which emphasizes that when market is developing on the basis of a perspicuity of property right and a economized of transaction cost, government intervention and revenue modulation should not be neglected
其具體內容如下: ( 1 )系統研究和總結了城市規劃理論相關的經濟學發展上的三種思路。從而確定了本課題研究的理論支撐點:即庇古提出的外部效果內部化理論與科斯的交易費用與產權理論有可共存之處。在強調產權明晰與節省交易費用並以市場化發展為主導的同時,需要政府的干預和稅收調節。On the basis of comprehensive analysis of present problems and characteristic of material ration system in aircraft manufacturement industry, this dissertation develop a solution of material ration management for this field. the main work of this dissertation is as follows : 1
本論文在分析目前材料定額系統研製中存在的問題和飛機製造行業材料定額管理特點的基礎上,提出了面向行業的材料定額管理解決方案,它的主要內容如下: 1In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。" electronic 1c chip drawing system " provides many functions such as " modify the position of the component ' s diagram " " modify the color of the component ' s diagram " " magnify and minify the component ' s diagram without distortion " " change the type of drawing line " " edit some physical properties of the component " " copy and paste diagram of one component " " delete one or more component diagrams " " move more than one components " positions " " change the z _ order of the diagram, set it to back or bring it to front " " save the drawing of the electronic components to one file and the file extension name is *. brd " " print the drawing ". users can finish all these functions easily by clicking and dragging the mouse
電路板元器件繪制系統主要完成了使用鼠標拖拽、鼠標點按的方式繪制電路板上各種常見的元器件圖形;編輯電路板上元器件圖形的位置;編輯元器件圖形的顏色;不失真的對器件圖形進行放大和縮小;編輯元器件圖形的線型;編輯電路板上各個器件的物理屬性(比如電阻的阻值大小、電容的容量大小、額定電壓等) ;復制已經繪制出的電路板上的器件;粘貼剪貼板上的器件;刪除單個或多個已經繪制出的器件圖形;同時改變多個器件圖形的位置;改變繪制區內各個元器件的zorder順序,也就是可以將層疊在一起的圖形置前或置后;把繪制的電路板器件圖保存到指定文件中;能打開、查看和修改保存的電路板器件圖;列印電路板器件圖。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm
本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎,重新設計了以dsp為控制核心的控制系統,主要解決原系統存在的以下問題: ( 1 ) pc機既要實時控制數據的採集與發送,又要進行圖像的后處理,整個系統的實時性難以達到要求; ( 2 )隨著spm功能的擴展,一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能,另一方面也意味著自動控制量的增加和數據處理量的增加; ( 3 ) 16位a d 、 d a都採用的是購買的板卡,也通過isa槽插在pc機內,成本高,不利於擴展; ( 4 )另外,數字板通過isa槽插在pc機內,易受于擾,而且給安裝帶來不便。In accordance with the wide application of accounting computerization in enterprises, it puts forward concrete control methods for enterprises " electronic information systems is suggested and the internal control mode of the computerization system is established. the paper surveys and analyzes the present situation and difficult realign of enterprises " internal control, points out reasons of the weakening financial monitor in our country, and on this base advances measures to improve it. in this paper, taking the northwest machine plant as a sample to study, the emphasis is laid on contents of it in the view of theory and practice, and synthetically analyzes its science, practicality and operability of each method, we concretely designs the foundation and methods of the internal financial control, hence to explain the practicality and operability of internal financial control system, and also to provide large - middle scale enterprises a reference case of realizing the actualizing internal control for nation
本文以企業作為控制主體,闡述了內部財務控制的理論基礎? ?內部控制理論以及其歷史發展進程,提出企業內部控制的五大要素,建立內部控制的基本原則、目標等基本理念;根據我國關于內部控制規范要求,較詳細的論述了企業內部控制的十種方法;針對會計電算化在企業的廣泛採用及存在的問題,為企業電算化系統的控制提出具體控制方法,並建立了電算化系統的內部控制模式;並且論文對企業內部控制的現狀、難點作了調查和分析,指出我國目前內部控制和財務監督弱化的原因,在此基礎上提出了改善的對策;在論文中以西北機器廠作為研究對象,重點對企業內部財務控制的內容從理論與實踐的角度作了全面闡述,對各種方法的科學性、實用性和可操作性做系統分析,並對該企業貨幣資金控制的實施及效果評價,說明企業內部控制體系的有效性和可行性,為我國大中型企業實施內部控制提供參考例證。This research project, based on the existing problems in mathematics curriculum evaluation and the conceptions of mathematics curriculum as the guideline, systematically analyzes the basic characteristics of the developmental evaluation, i. e. multi - dimensional, formative, developmental, understanding and inspiring. drawing on the modern mathematics conceptions, multi - intelligence theory and theories of constructivism, this project systemically illustrated the connotation of the developmental evaluation : the key of evaluation is for application ; the goal is multi - dimensional ; the process is context - dependent ; the outcome is to promote the development. in view of the conceptions of developmental evaluation ( i. e. human - centered whole evaluation ; quality - focused overall evaluation ; participation - stressed autonomous evaluation ; future - faced evaluation ; guiding evaluation and inspiring evaluation ), the components of the developmental evaluation model in the new mathematics curriculum is analyzed in details in this project ( i. e. goal system, subject system and object system ) and the core structure of the developmental evaluation is established ( i. e. evaluation indicator system model )
本課題研究以數學課程評價的現存問題為著手點,以數學課程理念為目標指向,系統分析了數學新課程發展性評價的多元性、形成性、發展性、理解性、激勵性等基本特徵;以現代數學觀、多元智力理論、建構主義理論以及成功智力理論為理論背景,系統闡述了數學新課程發展性評價之意蘊?評價核心聚焦應用,評價目標指向多元,評價過程依存情境,評價結果歸依發展;以數學新課程發展性評價理念,即以人為本的全體性評價、注重素質的全面性評價、注重參與的自主性評價、促進完善的引導性評價、不斷進取的激勵性評價、面向未來的期望性評價為航標,深入剖析了數學新課程發展性評價模式的構成成分,即目標系統、主體系統和客體系統,由此構建發展性評價模式的核心圖式?評價指標體系的模式:以數學新課程發展性評價過程為參照,尋求並創設評價準則的設計技術,評價權重的構造技術,評價信息的收集技術,評價結果的分析與處理技術;以數學新課程評價系統內蘊的一般認識論、發生認識論與發展認識論指導評價方法,詳細探討了檔案袋法、表現性評價、自我評價與同伴評定相結合的方法、蘇格拉底式研討評定和測驗法在評價中的應用。This paper involves the refrigeration principle and technology, the thermodynamics principle, the exergy analyses principle and its applications, the sensor principle and its applications, the microcomputer testing technique, the auxiliary engine of the ship etc. at the same time, to realize the measuring of cold store running parameters so that the main equipment of this system can run safely and reliably, measuring points are disposed at inlet and outlet of main devices, and computer detecting technology is used to measure the real time data at every point
內容涉及到製冷原理與技術,熱力學原理,火用分析原理及應用,傳感器原理與應用,微型計算機檢測技術,船舶輔機等諸多方面的知識。同時,為了實現對冷庫系統運行參數的全程檢測,以利於系統主要設備的安全可靠運行。在系統的主要設備進出口均布置了測量點,同時利用計算機檢測技術對各測量點數據進行在線檢測,檢測軟體是基於魯班組態軟體平臺而開發的,可以實時動態顯示檢測數據及數據的趨勢圖,還可以完整保存歷史數據,以利於分析系統常年運行工況,進一步制定改進措施。According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed
本文深入系統地研究了基於intel80c196kb單片機控制的6kv防爆開關綜合保護系統,主要內容如下:針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接地方式的現狀,回顧了國內外礦用高壓防爆開關保護系統的發展歷史,分析了目前國內高壓饋電開關保護系統所存在的問題,提出了「基於零序電壓基波啟動,五次諧波功率方向比較」的選擇性漏電保護原理,設計了相應的五次諧波提取電路和功率方向鑒別電路。The thesis analyses the main features of grid data management system, researches on data transfer, data replica, data access and integration technology in grid, analyses data replica model which is adaptive with electric system ; proposes a solution of gdms, research on the system ’ s main frame 、 executing strategy and communication mechanism ; puts the system into main function module, designs and realizes the data interface module : using database pooling technology to manage data connection, encapsules the heterogenous of end database
論文分析了網格環境下的數據管理系統主要特性,研究了網格中數據傳輸、數據復制,以及數據訪問與集成等應用技術,設計了適用於電力系統的數據復制策略;提出了解決方案? ? gdms系統,研究了系統的總體框架、運行策略和通信機制;劃分了系統的主要功能模塊,設計和實現了數據介面模塊:採用數據庫連接池技術進行數據連接,封裝了底層數據的異構性;運用內存數據庫技術實現了數據緩存的功能,提高了系統的實時性、可靠性和穩定性。While this support, of course, includes the ability for multiple processors to share peripherals and main memory, it also generally includes enhancements to the instruction set to support the special requirements of multiprocessing
當然這種支持包括多處理器可以共享外部設備和主內存,同時它通常還包括對指令系統的增加來支持多處理的特殊要求。分享友人