重力鐵路 的英文怎麼說
中文拼音 [zhònglìtiělù]
重力鐵路
英文
gravity railway- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 鐵 : Ⅰ名詞1 (金屬元素) iron (fe) 2 (指刀槍等) arms; weapon 3 (姓氏) a surname Ⅱ形容詞1 (形容...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
- 鐵路 : railway; railroad; rail
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But because the coal market supply exceeds demand for a long time of area of the northeast and the inner mongol east, in addition the influence of some small coal pit unfair competitions and restriction of railway transportation, production capacity of hcc for a long time remains seriously surplus. enterprise resource and cost advantage can not be given full play to
但由於東北及內蒙古東部地區長期以來煤炭市場供大於求,加之一些小煤窯不公平競爭的影響和鐵路運力的制約,霍煤集團公司長期以來生產能力嚴重剩餘,企業資源和成本優勢沒有能夠得到充分發揮。Recently, with the development of railage, passenger transport, freight and the density of train have increased mostly. it results in rail - wear day after day, especially the side rail - wear. so the ministry of railway has been taking the situation of rail into account greatly to insure train and rail safely
近年來隨著鐵路重載運輸的大力發展,客貨運量和行車密度大幅度增長,從而導致鋼軌磨耗日益嚴重,尤其是曲線鋼軌的側面磨耗急劇上升,因此鐵路工務部門十分重視對鋼軌傷損情況的檢測,以確保行車的平穩性和安全性。Research of the dynamic characteristics of reinforced earth structure has become a resistless important task when the express highway and express railway are built and the reinforced earth retaining walls are widely applied
然而,隨著公路、鐵路的提速及加筋土擋土結構的應用領域的拓寬,對加筋土擋上結構進行動力方在的研究已成為一個不可迴避的重要課題。Bridge engineering is important throat part in highways and railroads. it is critical to ensure its loading ability and normal function for smooth moving in a whole line
橋梁工程是公路和鐵路的重要咽喉部位,確保其承載能力和正常使用性能是全線運行暢通的關鍵。Qishuyan locomotive & rolling stock works, situated in changzhou city, jiangsu province and founded in 1905, covers an area of 1, 760, 000 square meters, owns 4, 500 unitssets of various mechanical equipment, and possesses a comprehensive production capability of forging & casting, machining, riveting & welding, heat treatment, tooling & patterns and sophisticated measures for physical & chemical tests, metrological measurements & inspection. it is an important base for manufacturing artery dedicated diesel engine locomotives, freight wagous, heavy duty diesel engines and railway components, which have won the credit and trust from customers by their excellent quality and outsanding aftersales service and enjoy good sales throughout the country and in countries in europe and america
公司介紹:戚墅堰機車車輛廠地處經濟發達、科技進步、風景秀麗、人傑地靈的江蘇省常州市,創建於1905年,佔地176萬平方米,擁有各類機器設備4500臺,具有鍛鑄、機加工、鉚焊、熱處理、工裝模具等綜合生產能力,以及齊全的理化試驗、計量和檢測手段,是我國鐵路干線內燃機車、貨車、大功率柴油機和鐵路配件的重要生產基地,以優質的產品和優良的服務羸得客戶信賴,產品銷售遍及全國並遠銷至歐美等國際市場。With the development of the computer and calculating dynamics, in recent years many researchers from different countries begin to research the coupling between train and line. the research on the coupling between vehicle and brid ge with the finite element method becomes one of the very important constitutional parts
隨著計算機和計算力學的發展,近年來各國鐵路科研工作者開始對列車?線路耦合系統進行研究,其中,車?橋耦合振動的有限元分析研究就是近年來發展起來的一個重要組成部分。The analysis and safety evaluation on the dynamic stability are the key technique of high - speed railway over - section cwr. studying on a theory for dynamic stability of high - speed railway cwr and a method for safety evaluation is of great theory value and realistic meaning
高速鐵路無縫線路動力穩定性分析及其安全評估是高速鐵路跨區間無縫線路的關鍵技術之一,其研究具有重要理論價值和現實意義。The authors describe the modelling of a railway steel truss bridge with long - span in order to analyse the detailed distribution of stress for members and nodal plates in main truss, the detailed deformation and stress distribution due to frame effect on transversal bracing plane in truss bridge, and the detailed distribution of stress in important parts of the steel plate girder bridge with initially transversal deformation by using sseb in this article
本文建立大跨鐵路鋼桁梁橋和鋼板梁橋全橋結構模擬分析數學模型,說明了鋼桁梁橋桿件和節點板詳細應力分佈、平面框架詳細變形與應力分佈和有變形缺陷鋼板梁橋重要部位應力的模擬分析結果等問題。With the speed up of railway transportation, the lightening design of vehicle seems to be more and more important. reducing the weight of vehicle can not only reduce the consumption of the raw materials and the power of traction, and increase the operation speed and improve the starting and braking performance of trains, but also has the advantageous to reduce the wheel / rail interaction forces, vibration and noise, increase the service life of the vehicle and the track, and economize the cost of transportation
隨著鐵路運輸速度的提高,車輛的輕量化顯得越來越重要,減輕車輛自重,不僅可以減少原材料的消耗,有利於降低牽引功率,提高列車的運行速度,改善列車的啟動和制動性能,而且可以有效的減少輪軌間的動力作用,減少振動和噪音,增加車輛和線路的使用壽命,節約運輸成本。The essay analyzes the differences of calculation methods of passing capacity between existing lines and passenger dedicated lines, explores the relationship between length of passenger flow section of passenger dedicated line and passing capacity, redefines the standard train for discount coefficient, and analyzes the change tendency on average discount coefficients of medium speed train and the high - speed stop trains versus high - speed non - stop trains, and the change tendency on train proportion of different high - speed stop trains and the passing capacity of high - speed train in passenger flow section is also provided
摘要分析了客運專線通過能力計算與既有鐵路的不同之處,探討了客運專線客流區段長度與通過能力之間的關系;重新選定了扣除標準列車,分析計算了中速列車和高速停站列車相對于高速直達列車平均扣除系數的變化趨勢,以及不同高速停站列車比例變化時,客流區段高速列車通過能力的變化趨勢。Based on the analysis of the lateral acceleration data of vehicles measured in shanghai metro lin, this paper suggests that the lateral oscillation force of the vehicles shall choose 10 % of the vertical load on a single wheel
摘要根據鐵路車輛及上海軌道交通3號線上實測車輛橫向加速度值,建議橫向搖擺力取軸重的10 % ,按目前承軌合構造,車輛偶然脫軌后可能橫向偏移左右各1 . 75m 。As one of the most important necessary part of high speed locomotive, the bogie frame ' s property has significant impact on running quality and safety of locomotive. on the basis of making detailed finite element analysis and accessment of it ' s mechanic property, the design theory of frame has been probed. such work is of momentous significance in pushing forward the development of high speed train in china
轉向架構架是高速機車最關鍵的部件之一,其性能對機車的走行品質和安全性具有重要影響,對構架結構進行詳細的有限元分析並對其力學性能進行評定,在此基礎上對構架的設計計算理論進行探索,對推動我國高速鐵路的發展具有重要意義。Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake
結合鐵道部發展基金項目: 「高速鐵道液化土地基試驗測試研究」 ,本論文概括總結了地震液化的研究現狀,就滬蓉高速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作,內容如下: ( 1 )提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模型,並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中;依靠循環振動三軸試驗技術,對粉土地基的地震液化強度進行了試驗研究;驗證了密實度是粉土液化的重要影響因素。Firstly, this issue analyzed the external environment of the coal transport in qin port, explained the ability of the " three west " coal rails passageway, the trains near the port, and the turnoff of the surrounding ports, then emphasized on the computation and analysis of the rails which connect qin port with the places of coal origin. secondly, it analyzed the rails and surrounding ports developing trend, coal demands, the tendency of large - size of ship, and the port adaptability. finally, based on those analysises, i put forward a plan of the construction of specialized deep - water coal berth for foreign trade coal in the coal fourth phrase of qin huangdao port
本文首先,從分析秦皇島港煤炭運輸的外部環境入手,通過對「三西」煤炭鐵路運輸通路、港口所在地區的鐵路以及周邊港口概況的敘述,著重對秦皇島港鐵路(主要線路:大秦線、京山線、京秦線)的運輸通過能力進行了計算與分析;其次,對鐵路及周邊港口發展趨勢、煤炭市場需求、船舶大型化趨勢和港口適應性進行了分析;最後,在以上諸多分析的基礎上,提出建設深水外貿煤炭專用碼頭的可行性方案,從而改善秦皇島港大型船舶的裝卸條件,形成在外貿煤炭船舶裝卸的比較優勢,提高秦皇島港在外煤運輸市場的競爭力,並對方案未來的實施效果進行了分析。It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation
本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。To speed up passenger trains and decrease journey time are one of the targets of the world railway modernization, and also a means to increase competition in transportation market
提高鐵路旅客列車的速度和縮短旅行時間是當今世界鐵路的一個重要發展方向,也是中國鐵路交通發展的主要方向,是參與運輸市場競爭的有力手段。Raising speed and heavy haul is development tendency of the railway transportation. however, with the rising of the velocity, empty wagon derailment accident accurs more frequent, which brings our country and people huge loseaimed at this problem appeared in the dynamic perfermance of wagon with the increasement of speed, lots of researches are done in this paper
提速和重載是我國鐵路運輸的發展方向,但提速以來,貨車空車脫軌事故頻頻發生,給國家和人民的生命財產安全造成了重大的損失,本文針對空車脫軌這一實際情況對鐵路貨車動力學性能進行了認真地分析和討論。The hump is one of the most important railway facilities in marshaling stations. the capacity and the modern degree of the hump decide the adapting capacity of a marshaling station
駝峰是鐵路編組站最重要的調車設備,一個編組站的改編能力大小取決于駝峰能力大小和現代化程度。The computing results of the thesis shows that qtjs 160t railway crane ' s carrier frame has met the intensity requirements. the local stress of the contact position of carrier frame, outriggers and pins is presented. the dangerous positions of the carrier frame are pointed out
論文分析、計算結果表明, qtjs160t鐵路起重機底架結構滿足強度要求,論文給出了車架、支腿和銷軸聯接處的局部應力情況,指出車架在回轉支承圈處存在應力集中部位。Examples include the redevelopment of the old kai tak airport and adjacent areas, and works arising from the railway development strategy as well as the infrastructure integration between hong kong and the pearl river delta. public and private sector housing construction will remain active
雖然機場核心工程已告結束,不過建造市場仍有推動增長的動力,如舊啟德機場及鄰近地區的重建、鐵路發展策略及香港與珠三角基建整合帶來的工程等。公營及私營住宅建設仍保持活躍。分享友人