彈著速度 的英文怎麼說
中文拼音 [dànzhāosùdù]
彈著速度
英文
striking velocity- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
- 著 : 著助詞1. (表示動作的持續) 2. (表示狀態的持續) 3. (用在動詞或表示程度的形容詞後面, 加強命令或囑咐的語氣) 4. (加在某些動詞後面, 使變成介詞)
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys
本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。Increasingly widely use of nonlinear viscoelastic materials, use of materials under extreme conditions, along with frequent occurrence of delayed catastrophic accidents, all these make the study a pressing problem of initiation and crack growth of nonlinear viscoelastic fracture
隨著非線性粘彈性材料的廣泛使用和材料在極端條件下的使用,在長期荷載作用下頻繁出現的延遲性的災難性的事故使得非線性粘彈性的裂紋起裂時間和裂紋擴展速度的研究成為亟待解決的問題。The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too
分析結果表明,對于大尺度的伸桿機構,其布置方式和展開角度對其展開運動有重要的影響;同時也研究了鉸鏈處外力矩對展開運動的影響,隨著該力矩的增大,伸桿到達鎖定狀態的時間減少,碰撞時的速度增加,由此產生較大的加速度;分析了伸桿彈性和阻尼對伸桿展開過程的影響,彈性增大碰撞加速度增大,阻尼增大加速度減小,因此可將鉸鏈處外力矩和伸桿阻尼作為伸桿展開運動調節的手段。Through an example, a study of the influencing factors on the reliability of the output kinematic accuracy of the mechanism is made, the results obtained reveal the following fact : with the increase of crank ' s rotating speed, the dynamic elastic deformation of the mechanism becomes the principle factor that effects the reliability of the output kinematic accuracy of the mechanism greatly
通過算例,考察了機構輸出運動精度可靠度的影響因素,結果表明隨著機構轉速的提高,機構的動態彈性變形將成為影響機構運動精度可靠性的主要因素。The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects
它將固體火箭技術和沖壓技術有機結合在一起,具有比沖高、速度快、重量輕、射程遠、機動性能好和結構簡單等諸多優點,最大限度地滿足了新一代導彈對其動力裝置提出的要求,是超聲速導彈動力裝置的一個主要發展方向,有著廣闊的研究前景。Aiming at the high - speed impact characteristics of fuze pressure sensor when the percussion of the projectile, according to the requirement of developing fuze pressure sensor, the method of anti - ballistic simulation was adopted to design a suit of performance measuring device it could dynamically calibrate and simulate the process of collision between the projectile and the targets at the different angles and speeds
摘要針對引信壓力傳感器在彈丸著發時處于高速沖擊狀態的特點,根據研製引信壓力傳感器的要求,採用反彈道模擬的方法,設計了一套既可對傳感器進行動態標定又可模擬彈丸以不同著角、不同速度碰撞目標時對傳感器進行性能測試的裝置。Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances
理論分析表明:軸承接觸表面粗糙紋理方向、粗糙度幅值及其粗糙度波長對高速圓柱滾子軸承的彈流特性具有顯著的影響;合理選擇軸承接觸表面粗糙度幅值、波長及紋理方向,可以有效改善高速圓柱滾子軸承的彈流特性。Research shows : change of temperature & pressure of sand rock results in prominent change of seismic p and s wave velocity and dynamic & static modul and seismic attenuation of sand rock. change of pore liquid character and saturation results in change of seismic p and s wave velocity and attenuation of sand rock
研究表明:巖石所處的溫度壓力條件的變化將導致縱橫波速度、動彈參數和衰減的顯著變化:孔隙流體性質(含水或油、氣)及飽和度的變化將引起縱、橫波速度、衰減的明顯變化。Arching his left elbow with a rather theatrical gesture, he held the guitar above the finger - board, and winking at anisya fyodorovna, he played, not the first notes of my lady, but a single pure musical chord, and then smoothly, quietly, but confidently began playing in very slow time the well - known song, as along the high road. the air of the song thrilled in nikolays and natashas hearts in time, in tune with it, with the same sober gaietythe same gaiety as was manifest in the whole personality of anisya fyodorovna
接著他擺出一點舞臺姿勢,略微向前伸出左手肘彎,握住吉他琴頸稍高的地方,向阿尼西婭費奧多羅夫娜使個眼色,開始不彈芭勒娘舞曲,先奏一聲清脆而嘹亮的和弦,之後合乎節奏地悠閑自得地然而剛健有力地用那極慢的速度彈奏一支著名的曲子在大街上。In this paper, we not only analysed the different effects of the disturbing gravitation on the trajectories of different ranges, but also discussed shortcomeings of the spherical harmonics model by which the external gravitation potential of the earth is shown usually. when the model is applied directly to the calculation of the trajectory, since the recurrent calculation can not be avoided, an increase in orders of model will result on a decrease in the speed of calculation
本文重點分析了擾動引力對不同射程導彈的落點偏差的影響,並且討論了原有計算擾動引力的球諧函數法在計算速度上的缺陷(由於勒讓德函數的遞推計算,使得隨著模型階數的增加模型的計算速度下降) ,然後對其進行改進使其能更好的適用於彈道計算。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。With the development of material technology, information technology, automation control technology, aeronautics and astronautics technology, the modern flight vehicles are required of high velocity, light structure, great flexibility and super maneuverability, which lead to the serious aeroelastic effects such as aeroservoelasticity, the coupling among the aerodynamics, structure, and control system
隨著材料技術、信息技術、控制技術以及航空航天技術本身的飛速發展,飛行器開始向高速度、輕結構、大柔性、超機動的方向發展,氣動彈性效應更加嚴重,從而引發了氣動、結構、控制系統相互耦合的氣動伺服彈性力學問題。The buckling of a plate mostly occurs in elastic regime with high strength steel adopted widely, and the plate reaches ultimate strength due to losing capacity when equivalent stress where maximal in - plane compressive stress appears arrives at yield in post - buckling phase
隨著高強度鋼的廣泛應用,板格屈曲大部分發生在彈性范圍內,在後屈曲階段當板格最大面內壓縮應力處的等效應力達到屈服極限時,板格迅速卸載,此時板格達到極限強度。It can be seen from the deformation courses of the tubes that the local dents firstly occur at the beginning of impact. with the growth of the dents, the stiffness decreases, and the rigid - body translations and the whole deformations take place. the initial kinetic energy of the missile decreases rapidly to approximate zero during the course of impact, and the energy is transferred to internal energy and kinetic energy of the tube
同時,也得到了一些實驗中沒有觀察到的現象:從模擬的管梁的變形歷程可以看出,在沖擊瞬時,管梁先發生局部凹陷,隨著局部凹陷的加大,管梁的抗彎剛度減小,然後太原理工大學碩士學位論文剛體平動和整體變形發生,而且速度越大,這種現象越明顯;子彈的入射動能在撞擊過程中急劇減小,撞擊結束后減小到可以忽略不計。By the test system of the landing ladder on the earth which releases by an elastical structure, measure the acceleration of the ladder in the chosen directions in the process of releasing
最後,加工著陸梯和實驗平臺,搭建合理的測試系統。對彈出式著陸梯在地面環境進行釋放試驗,觀察著陸梯釋放的情況,測量著陸梯彈出過程中選定方向的加速度。The older we get, the more we lose both flexibility and strength which causes fibrous changes in the muscles and joints, reducing blood flow, increasing pain, and causing joint damage
隨著年齡的增加,我們將會減低更多的彈性韌度和強健度造成肌肉和關節纖維化、血液流動速度也會減緩、疼痛增加及關節傷害增加。Increase of fatigue crack growth rates of 316l at elevated temperature mainly results from the drop of material intensity and elastic modulus
由於溫度升高316l的彈性模量和強度下降,因此奧氏體材料疲勞裂紋擴展速率隨著溫度升高而提高。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。With the development of science, new method is used in fighter plane and missile design, and new material is used in fighter plane and missile production, which make them have higher speed, higher maneuvering, smaller radar cross section and better jamming and anti - jamming ability. all these development is a big challenge to surface - to - air missile and makes the battlefield environment more complicated
隨著科技的進步,新技術、新材料的大量應用,使作戰飛機和戰術導彈具有更快的飛行速度,更好的機動性能以及更小的雷達反射面積;同時,電子對抗技術的廣泛使用,這些都給防空導彈帶來了巨大挑戰,使地面防空變得日趨復雜。分享友人