碰撞情況 的英文怎麼說

中文拼音 [pèngzhuàngqíngkuàng]
碰撞情況 英文
collision situation
  • : 動詞1 (一物體突然接觸另一物體; 撞擊) touch; bump 2 (碰見; 遇到) meet; run into 3 (試探 ) tr...
  • : 動詞1 (猛然碰上) collide; strike; knock; bump against; run into 2 (碰見) bump into; run into;...
  • : 名詞1 (感情) feeling; affection; sentiment 2 (情分; 情面) favour; kindness; sensibilities; fe...
  • : Ⅰ名詞1 (情形) condition; situation 2 (姓氏) a surname Ⅱ動詞(比方) compare Ⅲ連詞[書面語] (...
  • 碰撞 : 1 (猛然碰上) collide; run into; knock against; run foul of; crash 2 [物理學] collision; impact;...
  1. Firstly, background of highway development and data collecting and statistics analysis of highway accidents at home and abroad were carried out. researches of vehicle - barrier crash accidents on highway were compared between in and outside china, and two new conclusions were drawn

    文章先對國內外高速公路發展和高速公路交通事故進行了數據採集和統計分析,並對國內外汽車-高速公路護欄事故的研究進行了對比分析,得出了兩個新的結論。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的可能性;保證rops在和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究和有關國際標準的制定,對大型推土機傾翻和落物保護裝置進行研究,在理論分析的基礎上,通過建立rops fops的力學分析模型,推導彈性、彈塑性階段rops fops變形的計算公式,建立一套可行的rops fops的非線性有限元分析計算方法。
  4. Ahm oscillating ply series is made of imported superior stainless steel, the radiation ares of oscillating box is processed in particular, and withour any effect for sonic result, the longevity of the box can be prolonged over 50 %. the product can be used widely in pre and after processing operation for electric plating, imbruing and lacquer covering with the advantage of operating conveniently and cleaning completing and without collision between parts so on

    振板系列產品振盒採用進口優質不銹鋼板製作,振盒幅射面經過特殊處理,在不影響超聲效果的下,振盒壽命增加50以上,產品廣泛應用於電鍍、塗裝、電泳、噴漆等工藝的前處理和后處理工序,具有操作方便、清洗徹底、工件之間無等優點。
  5. The results and the main contributions of the dissertation are as following. when the instantaneous impact is assumed and the friction between the contact surfaces is taken into account, the relations between the pre - impact state and the post - impact state cannot be described by using any simple impact laws

    論文共計八章,其主要研究內容及學術貢獻如下: ( 1 )在瞬間假設和考慮面切向摩擦的下,斜前後的系統狀態關系不能用任何簡單的關系描述。
  6. Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy

    交通事故模擬與控制技術是對駕駛環境與駕駛行為進行模擬,模擬車輛在道路上發生事故的運行,根據車輛位置和停止位置、車身痕等事故現場數據進行運動學分析,確定車輛在事故前正常行駛時的速度和路線,逆向推定車速及事故過程,應用三維圖形技術再現交通事故過程,為分析事故成因,提出相應的交通安全保障技術和策略奠定科學理論依據。
  7. It is the only protected area in the world to incorporate a continuous, intact transect from snowcap to tropical marine environment, including extensive lowland wetlands

    它位於兩個大陸板塊的地方,這里的地質很復雜,既有山脈的形成又有冰河作用。
  8. When a photon collides with a molecule, several things can happen.

    當光子與一個分子時,可發生幾種
  9. The ansys, a kind of fea program, was used to build model of small carriage. the procedure of gantry beam bump with secondary beam of bridge was reappeared by running nonlinear calculation and loading program which was written by apdl program language. the closest deforming result was gotten, and the deforming of main beam, secondary beam and end beam and inner stress distribution status were calculated

    採用大型三維有限元軟體ansys對該起重機以及小車架等進行了建模、應用apdl語言編寫加載程序、進行非線性計算,再現龍門橫梁與起重機副梁過程,最後得到與實際變形結果最接近的一種狀態,得出起重機橋架主梁、副梁、端梁的變形以及其內部的應力分佈
  10. We have summarized a set of theoretical approach to this problem and discussed the instability of the gas cloud and the systems composed of collisionless particles in the background of dark matter. linear perturbation theory is the method to solve this problem, in which, we add the perturbation into the equilibrium state and discussed its evolution

    本文研究了自引力系統的穩定性問題,總結了解決該問題的一套理論方法。並具體研究了存在暗物質背景時氣體雲和無粒子系統中擾動的演化。解決穩定性問題的方法用線性擾動理論,即在平衡態中加入擾動,研究擾動在系統中的演化
  11. In the second chapter we give a simple introduction of the ultra - high energy heavy - ion experiments

    Disseri人tionj7avff論文的第二章我們簡單介紹了超高能核一核實驗的進展
  12. 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速度。所以建立正確地車輛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,深入地研究汽車理論,分析了車對車作用瞬間狀態的計算模型及恢復系數與前、后速度的關系;其次,根據交通事故中最普遍的一維和二維的不同,採用恢復系數和滑動摩擦系數等概念,分別建立了后車輛動力學模型;第三,對汽車事故再現進行了初步研究,確定了車對車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。
  13. In either case the ships will be at a distance of one or two light-years from the star. there won't be any crash.

    無論發生哪種,飛船與那顆恆星的距離將是一或二光年。不會發生任何事故。
  14. New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

    主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制能有效的將定量計算和定性知識融為一體,將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來;在多屬性效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於擴展,能夠面向多種決策問題,具有較強的通用性;建立了遠程多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用接觸理論,對火箭彈在定向器管內的運動受力進行了模擬計算;建立了遠程多管火箭炮箱式發射改進方案模型,並利用動力學模擬計算結果在widss系統中進行了方案性能評估。
  15. Through the model the computerized analysis of speed, angle and acceleration of gear real tooth surface could be accomplished

    考慮齒輪對嚙合過程中的正常嚙合、脫嚙和齒背嚙合及建立齒輪傳動系統振動數學模型。
  16. The optimum design of the beat back - impact crusher is proposed, which aims at the highest efficiency of the machine work. the optimum designed mathematics model of the main structural dimension of the crusher ( m, xc, s, w 2 > ir ) is built with restraining conditions such as force condition, energy condition, hammer steady condition, no moving interference, strength of spin axle and bearing condition, upper limit and lower limit of the design variant condition etc. finally, an example is give to illustrate the efficiently of the method proposed

    在綜合考慮影響破碎機效率的各因素的下,提出了滿足以力,能量,錘頭穩定性,幾何條件,不發生運動干涉,轉子軸和滾動軸承的強度等約束條件,建立了包含破碎機關鍵參數(錘頭質量m ,軸心o到銷軸錘頭接觸距離r ' ,四川大學碩士學位論文錘頭質心到銷軸與錘頭接觸點的距離拙,錘頭與巖石到銷軸與錘頭接觸點的距離s ,轉子的速度。
  17. In this paper, to counter a flexible beam undergoing large overall motion impacting a fixed slope surface under the effects of grativity, the normal contact model is established based on the hertz theory and non - linear damping term, the tangential contact model is developed by adopting linear tangential contact stiffness to consider the effects of friction force during impact process, and the consistent linear dynamic model including impact is derived by using mode assumption method and lagrangin equation

    針對在重力場下作大范圍回轉運動的柔性梁與一固定斜面發生斜,根據hertz接觸理論和非線性阻尼項建立法向接觸模型。引入線性切線接觸剛度建立切向接觸模型,以考慮接觸過程中由於切向相對速度的換向作用引起的摩擦力的變化。利用假設模態法和lagrangian方程建立系統含過程的一致線性化的動力學模型。
  18. The quality evaluate program works according to operation efficiency and speed of collision

    操作質量評分程序依具學員操作的效率和在操作過程中的碰撞情況進行評判。
  19. Because every discrete path is unidirectional and the timed token scheme keeps devices from talking at the same time, collisions don ' t occur as they do in ethernet

    由於每個離散通道是單向的,並且定時令牌方案避免各設備間同時交談,因此不會出現以太網中的碰撞情況
  20. The emergency response measurements for ship damage due to collision are also given

    並嘗試提出了船舶損壞(下的應急響應措施。
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