碰撞對比 的英文怎麼說

中文拼音 [pèngzhuàngduì]
碰撞對比 英文
bump contracts
  • : 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;...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 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

    文章先國內外高速公路發展情況和高速公路交通事故進行了數據採集和統計分析,並國內外汽車-高速公路護欄事故的研究情況進行了分析,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,針高分子絮凝黃河泥沙,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表明,二者趨勢一致,在沒有使用經驗參數的情況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;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. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  4. The single - stage hammer crusher are suitable used to crushing ordinary fragile ores of the compressive strength no more than 200mpa, such as limestone, gypsum, coal, marl, sand - shale etc. this series product features of high crushing ratio, even product graininess, simple construction, reliable operation, easily maintenance, economical running cost etc., so are widely used. hammer crusher models hammer crusher max

    錘破系經高速轉動的錘體與物料面破碎物料,錘式破碎機具有結構簡單,破碎大,生產效率高等特點,錘式破碎機可作干濕兩種形式破碎,錘式破碎機適用於礦山水泥煤炭冶金建材公路燃化等部門中等硬度及脆性物料進行細碎。
  5. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日距離接近甚至小於日地平均距離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還有金星、火星等)十分靠近甚至發生.這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除奇點的正規化處理以及定性研究十分成功的辛演算法都將在不同程度上失效.通過幾種常用數值方法(包括辛演算法)計算效果的較,根據小天體運動自身的特性,給出了相應處理措施,從而可提高計算結果的可靠性
  6. Though the rollover accidents are not as much as vehicle collision accidents, they make much more economic loss and people damage. what the paper studies is the reconstruction technique of vehicle collision accidents and rollover accidents

    側翻事故雖然所佔例不大,但造成的財產損失和人員死亡更為嚴重,因此汽車間事故和側翻事故進行系統的分析成為交通事故處理的重要課題之一。
  7. Secondly, this dissertation analyses the action characters of soccer robot, designs kinds of actions in allusion to switchover of attack and defend, puts forward theory of action selection and rules of action selection in order to realize part cooperation which combines court subarea and switchover of attack and defend when soccer robot is under special state thirdly, after considering the characters of obstacles in the robot soccer, we have founded the collision module, to the current questions of obstacle - escaping arithmetic, we put forward the new obstacle - escaping strategy based on the speed vector information which is able to dope out the potential obstacles in the moving path and count out the suitable velocity to escape obstacles by the aid of the geometry transform of obstacle velocity vector the grid implementation arithmetic of path - searching tree is set forth for the convenience the result of simulating competition showed that this way is suitable to the mobile obstacle escaping

    ( 2 )分析了足球機器人動作的特點,針機器人足球賽的攻防狀態轉變,進行了各類動作設計;為了使足球機器人在特定狀態下,實現局部的配合,將攻防狀態的變化與球場分區相結合,提出了足球機器人的動作選擇機理和動作選擇的規則。 ( 3 )分析了機器人足球賽中障礙物的特點,建立了足球機器人模型。針目前機器人足球賽中避障規劃演算法的不足,提出了基於障礙物的速度矢量信廣東工業大學工學博上學應論文息制定的足球機器人避障策略。
  8. The results of combined internal mineral separates and whole - rock sm - nd isochron age for gabbro dikes from : luobusha, angren and xiubugabu in yarlung zangpo ophilite zone are 177ma, 166ma and 173ma respectively. the 4lar - 39ar step heating spectra of rikangba ophiolite suggest that its formation age is also isoma. it indicates that there was a stronger regionally inagmatism during middle - early jurassic, and the time of i75ma was the main period of the magmatic event of yarlung zangpo ophilite

    鄔郁盆地嘎扎村組火山巖剖面的年代學研究表明,該區后期火山巖的~ ( 40 ) ar - ~ ( 39 ) ar年齡為12 ? 14ma ,侵入其中的花崗巖脈的~ ( 40 ) ar - ~ ( 39 ) ar年齡為10 . 84ma ,與岡底斯西段前人研究資料,認為岡底斯帶后火山巖時代有自西向東逐漸年輕的趨勢。
  9. By analyzing the differentiae of the total cross sections ( tcs ), the differential cross sections ( dcs ), the partial wave cross sections ( pcs ), the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he, ne, ar, kr, xe - h2, d2, t2 have been obtained. in this paper, we use the tang - toennies potential model for the inertia gas atoms - h2 systems, the murrell - sorbie potential surface with five parameters for the molecules h2, d2, t2. for the inertia gas atoms - d2, t2 systems, we use the same potential surface with the inertia gas atoms - h2 systems

    通過分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在總截面、微分截面和分波截面等方面的差異,總結出在h _ 2分子的稱同位素替代情形下惰性氣體原子與h _ 2分子體系截面的變化規律;通過較he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各體系在總截面、微分截面、分波截面等方面的不同,詳細討論了同位素替代體系中體系約化質量及入射原子的相能量的變化截面的影響,得出了這種影響的規律性。
  10. Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system

    本文根據雷達探測系統得到的目標距離、相速度和方位角等信息,建立了監控系統防數學模型,與其他模型相該模型能夠最大限度地避免錯誤警報的發出,並且分析了各種信息在系統中的處理過程。
  11. It was graham poll whistling - up a challenge by john terry for a foot that looked no higher than his direct opponent that had aggrieved mourinho

    格雷厄姆?普爾吹哨判罰了約翰?特里的一個,因為他的腳看起來並不他的手的高,穆里尼奧為此抱不平。
  12. 2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan

    論文研究中主要的創新性工作如下: 1 、提出利用光散射通信技術組建無線局域網,方便地實現了廉價而高速的局域網內微機的光互連; 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和檢測的技術難題; 3 、針空氣通道的特點,利用ppm編碼技術降低通道誤碼率、改善系統性能; 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術,從而保證了系統的實用性及改善了系統的性價
  13. Relating to oily water separation, chapter four builds mathematic model takes into account the tractive character of oil droplet and collision polymerization process during the separation, and compares to traditional separating mathematic model

    第四章針油艙污水的油水分離,考慮了油滴的曳力和聚合,建立了油水分離的數學模型,並和傳統的分離模型做了較。
  14. ( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure

    于o _ 2 n _ 2混合氣體,模擬了不同配條件下直流放電過程,得出了發生的粒子數隨e n 、電子能量的變化;著重分析了空氣中激發、電離、分解及分解電離的粒子數隨e n的變化,給出了電子漂移速度和平均電子能量隨e n的變化。
  15. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在:學生力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解;直流電路,不同年齡的學生不同程度地存在電流消耗、電流、恆定電流源等觀念,而且電學概念的理解缺乏宏觀與微觀的聯系;學生在機械波的傳播、波速、波的疊加上存在嚴重的困難,于機械波的傳播學生不能區分初始條件和媒質特性,並錯誤地將動力學某些觀念與機械波進行類
  16. The effect of car body elastic vibration on the ride comfort is analyzed. the ride comfort and acceleration responses of the car system with rigid car body model or elastic car body model are studied and compared. finally by using ansys / ls - dyna software, the finite element impact models of car body with a rigid wall have been set up, then the displacement, velocity, acceleration and energy variation of the car body are analyzed and compared for before and after lightening cases under the condition of impact speed 5. 8m / s and 11. 8m / s

    本文利用ansys軟體建立了25k硬臥客車車體輕量化前後的有限元模型,計算了車體的強度、剛度和模態,並輕量化前後的車體作了分析;然後,用nucars動力學分析軟體建立了25k硬臥客車系統的數學模型,分析了彈性振動平穩性的影響,並剛性車體和輕量化前後的彈性車體平穩性和加速度響應的影響作了分析;最後用ansys / ls - dyna軟體建立了25k硬臥客車車體輕量化前後的動態顯式有限元模型,分別在5 . 8m / s和11 . 8m / s的速度下剛性墻,得到了車體的相位移、速度、加速度和能量的變化過程,並作了分析。
  17. In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22

    文章第二部分中,我們用隨機級聯模型高能中的非熱相變作了仔細研究,用montecarlo模擬得到了表徵相變的特徵參數_ q與矩階數q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相變點q = q _ c起伏參數的依賴關系,並和na22實驗結果進行了較。
  18. 4. achieved the high - speed colliding experiment of landslide for the first time, the paper studies the volume distributing ruler of different velocity segment after collide, fits the experiment data via extreme function, obtains the value range of the shape parameter, thereby gets the distributing function of all part of landslide after collide. on the base of above, the paper studies the accelerating effect of partial rock - mass because of colliding, and acquires the relation between accelerating volume and overall volume, and colliding velocity

    ( 4 )首次進行了滑坡巖體的高速模型實驗,研究了解體后不同速度段巖體體積的分佈規律,並應用峰值extreme函數實驗結果進行了數據擬合,確定出了各形狀參數的取值范圍,從而得到了滑坡巖體高速后不同塊體的分佈函數,並在此基礎上研究了滑坡巖體後部分巖體的加速運西南交通大學博士研究生學位論文第2頁動效應,得出了獲得加速的巖體例與滑坡總體積及速度的關系。
  19. Particle ratios embody the chemical equilibrium driven by inelastic interaction during rapid expansion when the temperature decreases in the colliding system, the measured hadron ratios provide the chemical composition of the fireball at the chemical freeze - out point and access the baryon transporter stopping ) for the initial conditions at early stage of the collisions. in this paper, we study the anti - proton to proton ratio from ig7au + 197 au collisions, analyzing p / p ratio as functions of rapidity, transverse momentum and centrality at ^ / saw = 200gev and the dependence on the center of mass energy of p / p ratio, compared with the experimental results. it shows that the p / p ratio has n ' t obvious dependence on rapidity for mid - rapidity, but shows a slight increase trend with pt increasing in the range of pt < 1gev / c for mini - bias or central collisions, and rqmd shows a more remarkable correlation between p / p ratio and centrality than experiments do at snn = 200gev

    研究表明:廠在中心快度區沒有明顯的快度依賴性,在越靠近邊緣快度區, p p呈下降趨勢;在或者最小無偏事件中, p p在低橫動量區域隨著橫動量的升高而增大; p隨著心度的實驗結果表現出稍強的隨心度增大而減小的趨勢,尤其是有再散射ujrqmd模型;在中心快度區, p p隨著的質心能量的提高而快速的增大,與實驗結果一致;在低能,有末態粒子再散射的d較好的預言了的:但是在mc能量下,有末態粒子在散射的d所預言的p p值實驗值要小。
  20. The results on the p / p ratio show that this ratio does not change remarkably with centrality. transverse momentum and rapidity, and is independent of the reaction plane within t

    反質子質子產額不明顯依賴于心度、橫動量、快度和事件平面。
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