transportation velocity 中文意思是什麼
transportation velocity
解釋
不淤流速- transportation : n. 運輸，輸送；轉運，搬運；遷移；〈美國〉運輸機關；運輸工具；運輸票；運費；【歷史】流放。adj. -al
- velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
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Measurement for the transportation velocity of 14c photosynthate in phloem of phellodendron chinense
同化物在黃柏韌皮部的運輸速率測定 -
With the development of automobile industry and road transportation ， the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore ， it is urgent to study vehicle collision accidents comprehensively and systematically ， and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results ， this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly ， according to the collinear collision and two - dimension collision and the restitution coefficient ， the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly ， this paper try to research reconstruction of road traffic accident and put forward the method on it
對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析，其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型，只有建立正確的數學模型，才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上，深入地研究汽車碰撞理論，分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系；其次，根據交通事故中最普遍的一維和二維碰撞的不同情況，採用恢復系數和滑動摩擦系數等概念，分別建立了碰撞后車輛動力學模型；第三，對汽車碰撞事故再現進行了初步研究，確定了車對車碰撞事故模擬計算和反推計算方法，並給出相應的模擬程序流程圖。 -
When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made
當交通荷載為長期均布荷載時，討論了各相關因素，包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響；當交通荷載為移動恆載時，計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對這兩個管道力學性狀的影響；當交通荷載為穩態簡諧荷載時，計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律，討論了車速和車輛輪壓對管道力學性狀的影響。 -
( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time
（ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。 -
Logistics center ' s function in modern commodity currency is very great. through unify management to the work such as transportation of the commodity, storage, load, convey, current process, deliver, order form and information handle, logistics center can alleviate the labor intensity and reduce the commodity consume, increase the stock velocity, accelerate the commodity currency, reduce currency cost, increase satisfaction degree of the social demand and offer more choices to consumers
物流中心在現代商品流通中的作用極大，它通過對商品的運輸，保管，裝卸，搬運，流通加工，配送，定單處理和信息處理等工作的統一管理，可以大大減輕作業勞動強度，減少商品消耗，提高庫存周轉率，加速商品流通，降低流通成本，提高社會需求的滿足程度，給消費者以更多選擇。 -
The platform can not only get rid of vertical joints lying in construction of railway tunnel, but also decrease the effects of lining construction on mucking and transportation. thereby it can advance construction velocity and guarantee the quality of lining
該臺車不僅能消除目前鐵路隧道施工中存在的施工縱縫，特別是能減少襯砌施工對裝碴運輸的影響，從而提高施工速度，保證隧道襯砌質量。 -
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。 -
Second, the influence of vibration parameter, such as amplitude, frequency, exciting force, damping, on the velocity of material transportation is discussed. it can be referenced in engineering design
文中討論了振幅、頻率、激振力、阻尼等振動參數對物料輸送速度的影響，在輸送機設計過程中選取參數時可供參考。 -
Post - assessment for highway project is the final task in the management of highway construction project and its major content includes mainly the assessment of operation condition and benefit of the project during the check period. this paper develops a relation model between velocity and oil - consumption both for expressway and ordinary using the method of example comparison between ji - qing expressway and the corresponding section of 102 state - owned highway, which offers the basic data for transportation cost and further financial analysis
高速公路后評價是高速公路建設項目管理的最後一個環節，主要內容以項目考核期運營情況及評價和項目效益評價為主.針對這個環節，本文應用實證對比分析的方法，以濟青高速公路和國道102線的實際交通情況為範例，應用統計方法建立了高速公路與普通公路的車速-油耗模型，為運輸成本及財務分析提供了基礎數據 -
In the use of transportation pipes, because the changing of velocity and pressure at the 90 elbow part, the pipes are easy to be eroded
摘要針對90彎頭在使用過程中由於該處流體速度及壓力的變化，以致在低速高壓區經常發生因流體沖刷導致管壁減薄，最後失效。
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