線路對地的 的英文怎麼說
中文拼音 [xiànlùduìdede]
線路對地的
英文
line-to-ground- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 的 : 4次方是 The fourth power of 2 is direction
- 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
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However, up to today with the development of social industrialization, especially the advance of building and building technology, the successive appearance of land three - dimensional usage such as high building, overhead railway, underground railway, air corridor, underground market, the wire of high voltage and last sewer etc., at the same time, many problems produced by the ownership and the usage of land space also have been put forward
土地所有權的行使及於土地的上下,土地所有權的效力「上達天宇,下及地心」 。然而,時至今日,隨著社會工業化的發展,特別是現代化土木、建築技術的進步,高樓大廈、高架鐵路、地下鐵道、空中走廊、地下商場、高壓電線、上下水道等土地立體化利用情形陸續出現,同時,因對土地空間所有和利用所產生的諸多問題也開始被提出。On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries
在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。Based on 3 - d seismic well and logging data, mainly by means of advanced seismic theories of reservoirs prediction and other corelational multidisciplinary, an extensive and indepth studying on the tight sandstone reservoir with fracture of the second part of the xujiahe formation in west sichuan depression has been carried out. a series of theoretical viewpoints and research fruition are concluded as follows :. 1 on the basis of analysis of the regional and local structure characteristics and evolution, a conclusion comes in to being : inchoate and nowadays structure traps and the match model between structure and fracturation system are the main factors in controlling the formation of effective traps
本文綜合利用三維地震、鉆井、巖心、測井資料,採用地震儲層預測方法為主線的多學科綜合研究思路對川西坳陷上三疊統須家河組二段緻密裂縫性砂巖儲層進行了較為廣泛、深入的研究和探索,取得以下一系列理論認識和研究成果: 1 、通過區域及局部構造特徵及構造演化史分析,認為古今構造圈閉、構造與斷裂系統配置關系是控制有效圈閉形成的主要因素。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。The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。The development of fieldbus technology made lonworks field bus outstanding in all kinds of fieldbus. this paper simply introduces some kinds of common using fieldbus and the important position and influence of lonworks fieldbus in all kinds of fieldbus, carefully describes the technology core of lonworks technology, puts great emphasis on the introduction of the development and design of public security node of intelligent district which adopts computer, communication and control technology, carefully designs the interfaces of hardware circuits. the public security node of intelligent adopts 8031 single chip as its main processor to complete the application program of user, which mainly collects, process and control all kinds of field signal, and neuron chip 3150 as its slave processor to communicate with other nodes on field network, which works under parrel slave a mode
現場總線技術的發展使得lonworks技術脫穎而出,本文簡要介紹了常用的幾種現場總線的概況以及lonworks技術在現場總線技術中的地位和影響,對lonworks技術的技術核心:神經元晶元、 lontalk協議、 lonworks收發器、 lonbuilder及nodebuilder進行詳盡的描述;重點介紹了集先進的計算機技術、通信技術、控制技術為一體的智能小區安防節點的開發與研製,對節點硬體電路的各種介面進行了詳盡的設計。本文設計的智能小區安防節點採用單片機8031作為主處理器來完成用戶的應用程序,主要負責對各種現場信號進行採集、處理及控制,工作在并行從a方式下的神經元晶元mc3150作為從處理器,主要完成與現場網路上的各節點及中心控制室之間的通信工作。In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )
本文以高速旋轉機械為主要研究對象,系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy
本課題的研究工作包括:對國外相關資料的調研分析;對已建沙漠地區公路進行調查、觀測了十余條線路,近百段路段,以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象;風沙流路基高度的關系、風洞試驗;對調查路段及依託工程調查、觀測結果統計研究;不同高度下路基穩定性分析;路基經濟性分析;按照沙丘類型及公路等級提出路基合理高度推薦值。Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits
文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此,在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力The system checking the computers online of ship station is a software developed according to the character of telecontrol and the circumstance of network layout, it can check the computers be online or not. it is an assistant tool for the network checking, can provide analysis basis quickly and safely
船載站測控通信網路微機在線檢測系統是根據測控的特點以及遠洋船局域網的布局情況而開發的檢測軟體,可以有針對性地檢測測控通信網路微機的在線情況,是網路檢查的輔助工具,並為網路通信故障的排查提供及時、可靠的分析依據。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance
本文通過實測的各種數據,分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析,進一步探討大機作業對無縫線路穩定性的影響,研究大機作業引起的鎖定軌溫的變化規律,確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段,同時對大型養路機械作業中應注意的問題提出合理化建議,為大型養路機械作業提供更高的安全保障,進一步提高大機作業效率。最後,對工務段在大機作業中的配合制定完善的施工組織措施及作業標準,使大機作業在養護維修中發揮更大的作用,為工務段日常的養護維修減少工作量,提高勞動效率,降低維修成本。Secondly, the tourist development of junggar basin ought to adhere to the plan according to the image localization : ( 1 ) the conventional route ought to be made so complete use that the visiting route will be developed vigorously ; ( 2 ) tourist routes should be named after different topics so as to meet various demands of different tourists ; ( 3 ) the development of special tourist lines is based on the topical tourist routes
接下來將準噶爾盆地旅遊開發分為三步走:第一步,利用常規線路的深層開發來大力發展環游線路;第二步,針對不同遊客需求賦予線路不同的主題然後以環游專題線路的形式開發銷售;第三步,在專題線路的基礎上開發特種旅遊線路。This paper takes the formation and evolution of zhongyuan urban agglomeration as research object, adopts the research methods of quantity, sets out from history angle, analyzes the evolution of transport network and transportation linkage of zhongyuan urban agglomeration area, and analyzes these effect in the process of the formation and evolution of zhongyuan urban agglomeration, and analyzes effect of transport network on enactment of development strategy of zhongyuan urban agglomeration area, aiming at offer help for faster development of zhongyuan urban agglomeration area
本文以中原城市群形成演化為實證研究對象,對建國以來中原城市群地區交通線網的擴展、交通運輸聯系通過從定量的角度、按照時間發展的過程進行分析,探討了交通線網的擴展、交通運輸聯系在城市群形成過程中的影響作用,並對交通線路對城市群空間發展戰略制定的影響作用進行了分析,以期為中原城市群快速發展提供有益啟示,促進中原崛起,以響應國家實施中部崛起的重大戰略。According to the characteristic of subway power alternating current transmission line, a new synchronous method based on reference zero point of the wave shape of voltage was proposed. the method is suitable to short distance line such as the subway power alternating current transmission line
根據地鐵電力交流聯絡線的特點,作者提出了一種適合於短距離線路保護的參考電壓零點的同步演算法,並對該演算法的優缺點進行了詳細的分析與模擬。In recent years, with the large - scale reconstruction of city power system, the scale of power system is continuously expanding, and the power supply network is becoming larger and larger. in addition, the enormous use of cables in city power system increases the current through the grounded capacitor. these lead to more and more instantaneously grounding faults unable to eliminate naturally
近年來,國家對城市電網的大規模改造,使得電網的規模不斷發展,配電網路越來越大,加上城網中大量使用電纜,使接地電容電流大大增加,越來越多的瞬間單相接地故障不能自動消除,為了解決這一問題,我國普遍採用中性點經消弧線圈接地的補償方式。When single phase to earth fault occurs on a neutral non - direct grounded power system, it is necessary to select the fault circuit quickly
小電流接地系統發生單相接地故障時,盡快選出故障線路,對于系統的運行是具有重要意義的。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。In view of the characteristics of tin integration of rail transit elevated structure ad seamless route, this paper analyses tin metro design technical standards ( 2003 edition ) ad proposes the principles of value selection for elevated structure in the raw edition of code metro design
摘要從分析城市軌道交通高架結構與無縫線路結合的特點入手,結合2003年版《地鐵設計規? 》 ,對高架結構中橋跨結構豎向剛度、橋墩縱向水準剛度、相鄰墩臺沉降量之差等標準制定的依據和取值進行分析和探討。For fire grounding, grounded impedance varies greatly because of air dissociation, and this causes protection set to startup and resume again and again. therefore, the main protection of the fault line ca n ' t cut off the fault quickly and accurately, and may lead to overstep tripping of near lines " protection sets and eventually cause more serious faults on the power system
同時故障電流一般比較小,電流突變也很小,有時呈緩慢上升的變化趨勢,對火焰接地來說,由於空氣游離的緣故,接地阻抗變化很大,使現有保護反反復復啟動、恢復,可能會導致相鄰線路、設備的保護越級跳閘,使電力系統出現更嚴重的故障。分享友人