直流總線 的英文怎麼說

中文拼音 [zhíliúzǒngxiàn]
直流總線 英文
dc bus
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 總 : Ⅰ動詞（總括; 匯集） assemble; gather; put together; sum up Ⅱ形容詞1 （全部的; 全面的） general; o...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 直流 : direct current （dc）; constant current; steady current; continuous current; zero frequency curre...
  1. Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature

    第一、應用穩定的直流磁控濺射設備制備tio2減反射薄膜並通過n & kanalyzer1200薄膜光學分析儀、 x射線衍射分析（ xrd ） 、掃描電子顯微鏡（ sem ） 、 alpha - step500型臺階儀等儀器對薄膜進行表徵，分析氧分壓、總氣壓、工作溫度、靶基距等制備工藝參數對薄膜性能結構的影響。
  2. The control of dc servo motor based on pc104 bus

    104總線的直流伺服電動機控制
  3. At first, this thesis analyzed some essential elements about the system of personal houe loan and make the compare to chinese and foreign system, and established the system of personal credit evaluate ; the second, the thesis discusses the investment technique and strategy of national debt in the provident fund, and established the model about how to invest the national debt ; the third, the thesis build the forecast model about fund collecting and drawing, and make use of the combination invest theories to build model of individual loan and national debt ; at last, the thesis analyses the risk ' s inside reason of house funds with the risk type, and to give out the related suggestion to funds risk. mechanism. the thesis research show me how to make use of that some models and methods in the process of haf management and make me deeply understand the house funds

    本文首先分析了個人住房貸款制度基本要素，即貸款期限、貸款利率與抵押物價值的比例、政府在個人住房貸款市場中的作用、貸款違約情況下的處置措施、個人住房貸款的流動性問題，並對中外製度作了比較，建立了個人信用評分評級體系和信用評估模型，並以重慶市住房公積金為研究對象做出了住房資金個貸風險評估的實證研究；其次，分析了影響國債價格走勢的因素，討論了公積金國債的投資技巧和策略，並建立了基於理論的國債投資組合模型；接下來，根據資產負債管理理論中的資金總庫法和資金分配法分析了公積金總體資金項目的來源和運用，並就此作了總量平衡模型，對住房公積金季度累計歸集金額作了直線回歸和季節趨勢比率預測，運用投資組合理論建立了公積金個人貸款和國債投資組合的最優化模型；最後，探析了住房資金風險的內在原因和風險類型，從資金籌集風險、信貸回歸風險、保險機制、法律風險和政策風險五個方面為住房資金風險防範機制建設提出了相關建議。
  4. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  5. Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones

    本論文主要是在總結國內外研究成果基礎上，從波浪與水流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷機理出發，研究和探討了圓柱周圍的沖淤形態；分析各種海洋環境參數對最大沖刷深度的影響，並利用已取得的實驗資料，採用量綱分析原理和多元線性回歸分析方法，建立一個波流共同作用下海床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。
  6. In the unbender region ' s technology reconstruction item of the chongganzhongban factory, the profibus was applied in the basal automation control system to link the 11 simovert masterdrives control equipments with 3 long - distance stations

    重鋼中板廠矯直機區域技術改造項目中，在基礎自動化控制系統中採用了profibus現場總線，將11臺交流變頻調速控制裝置和三個遠程站連接起來。
  7. To strengthen basins, non - point source pollution control, put the control into practice, build monitoring system online for pollution source, construct pollution treatment project, carry out research on oxygenation and direct - cleaning in lake or river, set up three gorges reservoir water pollution control laws and region regulations, deal with properly the ex - development between resource exploitation and environment prevention, and walk on the sustainable development road are important measures

    針對已發生和潛在的水環境污染問題，提出了加強流域非點源污染的管理、實施總量控制、建立污染源在線監測系統、立項建設污染治理工程、開展河湖水域接觸氧化直接凈化技術的科研和實踐、制定《三峽庫區水污染防治法》地方法規、正確處理資源開發與環境保護協調發展的關系、走可持續發展道路等多項防治對策與建議。
  8. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。
  9. The automation system used in afore - mentioned no. 2 line are siemens s7 series while the drive system are the siemens 6se70 series of all digital ac drive system with a uniform common dc power bus supply. the hmi system is wincc system which presents good visional interfaces. l1 communication uses profibus which adopts tcp / ip protocol for communications with welder, thickness gauge, air knife and l2

    攀鋼冷軋廠2 #鍍鋅鋁機組基礎自動化系統設計採用西門子s7系列，傳動採用西門子6se70系列全數字交流傳動系統並由統一的公共直流母線供電， l1人機界面採用wincc系統，為生產操作提供了較好的可視化界面， l1通訊採用profibus總線，與焊機、測厚儀、氣刀、 l2等採用tcp / ip協議。
  10. Conductor flat cable d c bus

    導體帶形電纜直流總線
  11. In the control system, ac inverters, dc rectifiers, remote distributed i / o, servo positioning controller, and touch panel form the dp slaves in the site field to realize the drive and control ; a siemens s7 - 300 plc, which acts as a dp maser, is used to harmonize the work among these dp slaves via fieldbus communication ; a ipc is used to display parameters, deal with alarm information, manage recipe, print report forms

    控制系統以交流變頻器、直流調速器、遠程分散式i o 、伺服位置控制器、觸摸屏等構成現場底層dp從站，實現各傳動點的驅動以及測控信息處理的現場化；以s7 - 300plc為dp主站，通過與各從站的總線通訊實現各從站工作的高度協調一致；以ipc為操作站，實現數據顯示、報警處理、配方管理、報表列印等功能。
  12. The module will itself react if a dangerous situation should occur, which including under - voltage, over - voltage, over - current and short - circuit. it can block the operation of the battery and stop work, even completely shut down the working circuit to protect the battery. in the module we design the liquid crystal display to show the characters and the running state of the battery

    電池運行狀態監控模塊關注于電池的電壓、電流和溫度的採集以及soc等參數的計算方法;利用總線方式使電池能夠與智能充電器和主機通訊;模塊內部設計了電池保護電路，當電池在使用過程中出現過壓、欠壓、過流和短路時，對電池進行控制使其停止工作甚至切斷工作迴路達到對電池的保護作用;為了更直觀的了解電池當前的運行狀態，還為模塊設計了液晶顯示屏來實時顯示電池當前的運行狀態。
  13. Taking the fieldbus control system of 750 v direct current power supply system in beijing metro line batong as an example, the application of the profibus technique in the power supply system of metro is discussed, and the hardware and software structure and principles of profibus are introduced

    摘要以北京地鐵八通線750v直流供電系統現場總線控制系統為例，介紹過程現場總線（ profibus ）技術在地鐵供電領域的應用，論述系統的硬體、軟體結構及其工作原理。
  14. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的動水力矩，誤差比較大，本文根據三偏心蝶閥的結構特點，利用理想流體的定常、無旋流動的假定，用有限差分法在直角坐標系中求解拉普拉斯方程，得到蝶板截面上的壓力分佈，從而計算出蝶板在各個開度下的動水力矩，設計出了求解的程序，給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線，總結了它的變化規律。
  15. Single chip computer system that on - line monitoring of dc - insulation based on control area network

    總線通信的直流絕緣在線監測單片機系統
  16. With an introduction of the principle and application of linear motor in shanghai maglev demonstration line and urban mass transit, this paper discusses the problems occurred in the power supply system, and the preliminary solution for decreasing the line resistance and reclaiming the stray current

    摘要介紹了直線電機的基本原理、不同的應用方式及其在城市軌道交通中的應用情況；並就供電系統中存在的變電所較多、能耗較高等問題，提出了如何設法減少線路總阻抗、如何回收利用迷流等初步解決方案。
  17. This paper carried through the detailed description and the discussion first to the new generation of operation strut system ngoss theory and its the system organization which proposed by telecommunication management forum tmf. and it unified the existing oss of chongqing tietong to carry on analysis, contrast and reorganization, then fully used the service process flows, public bus structure, public service data and the technical thought of ngoss module and so on. according the frame construction instruction of etom, carried on the analysis, the conformity and develop the useful and discard the useless on the foundation of the system in existence, constituted the new generation of operation support program tbss holistic frame and the system skeleton of tietong characteristic, conforming to the chongqing tietong actual situation, to guarantee the realization of enterprise strategic target according to tbss concentrated deployment and manages the key application system and the data gradually, insure realizing the complete sharing of information in the entire enterprise and the end - to - end process automation, broke thoroughly the information isolated island of the chimney

    本論文首先對新一代運營支撐系統（ ngoss ）的理論及其體系機構進行了詳細的探討，並且結合重慶鐵通現有運營支撐系統進行分析、對比、整理，接著充分利用ngoss體系架構和理論中的業務過程流、公共總線結構、公共業務數據以及ngoss組件等技術思想，根據增強型電信運營圖etom的框架結構，在對已有系統的進行分析、整合和揚棄的基礎上，制定了具有鐵通特色、符合重慶鐵通實際情況的新一代運營支持系統tbss的整體框架和體系構架，以確保逐步根據該體系架構集中部署和管理關鍵應用系統和數據，實現全企業信息的完全共享和端到端的過程自動化，徹底打破煙囪式垂直應用體系而造成的信息孤島，保證企業戰略目標的實現。
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