激波線 的英文怎麼說
中文拼音 [jībōxiàn]
激波線
英文
shock line-
The hottest gas ( higher - energy x - rays, colored blue ) is located primarily in the regions directly behind the shock front
最熱的氣體(高能x射線,以藍色表示)主要位於激波波前的後方。As the shock waves move through the gas they heat it to millions of degrees, producing the glowing x - ray shell
激波掃過氣體時,它們會將氣體加熱到上百萬度,產生發光的x射線殼層。Because the jets lie close to m106 ' s disk, the cocoon generates shock waves and heat the gas in the disk to millions of degrees, causing it to radiate brightly in x - rays and other wavelengths
由於噴流靠近m106的星系盤,繭狀結構會產生激波,將盤中的氣體加熱的幾百萬度,使其在x射線及其他波段上發出明亮的輻射。The background interplanetary magnetic field is spiral with a vanishing south - north component, the initial ionosphere is dominated by the region field - aligned current ( fac ) and the corresponding dawn - dusk electric field, and the interplanetary shock collides with the earth along the sun - earth line
背景行星際磁場為螺旋場,南北分量為零;初始電離層由區場向電流和相應的晨昏電場所主導;行星際激波沿日地連線方向撞擊地球。Lts lil1ewidth is less than 2. 33khz in its full wavelength tuning range
92urn ) 。在波長連續調諧范圍之內,其輸出激光線寬均在2The cellular structures width of po in the shock tube in atmospheric pressure and negative pressure condition has been measured. due to different condition, the figurations of the cellular structure obtained are either regular or irregular respectively. the relation between the cellular width and equivalence ratio is " u " shape
在常壓和負壓兩種條件下測試了環氧丙烷( po )在激波管中的胞格尺寸,分別測得了規則和不規則的胞格結構煙跡,得出了胞格寬度與當量比是「 u 」型曲線關系的結論;並分析了雲霧爆轟的反應機理。The velocity distributions, the relative mach number distributions and the flow trace distributions are visualized, and the reasons, which cause bad aerodynamic losses and make the flowfield complicated, are analyzed, including wake, secondary flow, separated flow and the interaction between shock and boundary layer
顯示壓氣機內的速度場、相對馬赫數分佈及流動跡線分佈等,並分析造成嚴重損失及使流場趨于復雜紊亂的原因,包括尾跡、二次流、分離流及激波/附面層干擾等現象。On the western side of the central normal of the disturbance source in the heliospheric equatorial plane, the double shock pair structure is more evident, and the longitudinal span is wider than those on the eastern side
雙重激波對在子午面內相對擾動源中心法線基本對稱,而在赤道面內則不對稱:擾動源中心法線西側雙重激波對結構更為明顯,所跨經度范圍寬于東側。The shock solution for singularly perturbed problem of nonlinear equation
非線性方程奇攝動問題的激波解The diffuse x - ray cloud is due to gas that has accumulated in the central region and been heated to millions of degrees, probably by shock waves from supernova explosions
彌漫的x射線雲的成因是中心區域所積累並被加熱到數百萬度的氣體,加熱的可能原因是超新星爆發產生的激波。This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development
本項目就是針對這一瓶頸技術存在的基礎性問題:流場介質折射率變化是影響光學傳輸最直接的因素,即針對光線穿過高溫和湍流、激波等復雜流場作定性顯示和定量測量問題而開展的氣動光學效應地面模擬測試研究工作,為高速攔截彈的發展提供技術基礎。Nonlinear dynamical systems ; nonlinear waves ; diffusion ; stability ; characteristics ; nonlinear steepening, breaking and shock formation ; conservation laws ; first - order partial differential equations ; finite differences ; numerical stability ; etc
非線性動力系統;非線性波;擴散過程;穩定性;特徵值及特徵曲線;非線性陡斜,阻斷和激波的形成;守恆定律;一階偏微分方程;有限差分;數值穩定性等等。In this paper, the multi - scale technology is introduced to study the wave - motion equations with viscous or transverse inertia effects or both of them. burgers equation, k - dv equation and kdv - burgers equation are deduced respectively, and correspondingly the steady shock - wave solutions, solitary wave solutions and oscillation solitary wave or shock - wave solutions are obtained
接著,又採用奇異攝動理論中的多尺度變換法分析並簡化了分別計入粘性、橫向慣性效應以及同時計入這兩種因素時的幾何非線性波的波動方程,分別得到了經典的burgers方程、 k - dv方程和kdv - burgers方程;並求出它們相應的穩態解分別為激波解、孤波解和振蕩孤波解或激波解。Shallow water waves. derivation of the equations. linearization and solution. radiation conditions. more on characteristics and shocks, now for all shallow water equations
淺水波。方程的導出。線性化及其解。輻射過程。所有淺水波方程的特徵曲線和激波。Hydraulic exciting vibration is a kind of liner one. the vibration direction is arbitrarily adjustable and the exciting force not only has a large value but can vary adapting to the load
激波器可產生一種直線線性振動並且具有:激振力大,振動方向任意可調,振動頻率和振幅能夠實現單獨無級調整等優點。Second, a parallel adaptive ray - casting algorithm for graphic rendering of cfi is developed. in the computational model of cfi, the line - of - sight integration is difficult to obtain for 3d complicated flow field, because curvilinear grids, multizone curvilinear grids, and other irregular grids that are commonly used in computational fluid dynamics ( cfd ) present interesting challenges, such as the complex shapes of cell regions defined by grid points ; the wide variation in the sizes of cells in different regions of the grid ; and the intersecting or overlapping nature of multi - grids. the parallel adaptive ray - casting algorithm is extremely efficient to solve these problems
并行自適應光線投射法繼承了光線投射法適合於任何形式網格的優點;光線與計算網格的交點自適應地反映了原來網格點物理量的分佈,能夠與數值計算的精度保持一致;圖像平面的自適應演算法使我們不必從每一個像素發出射線,既提高了光線投射法的計算效率,同時又保證重采樣后激波這樣的高頻信息不會損失;將并行處理技術引入計算光學流動圖像生成過程,解決了大規模數值模擬結果的處理對計算速度和內存容量的需求。Shock polaric diagram
激波極線圖Explosives for civil uses - detonators and relays - determination of resistance to cutting damage of leading wires and shock tubes
民用爆炸物.雷管和傳爆管.引線和激波管耐切割損壞的測定The second half of the course comprises gas dynamic discontinuities, including shock waves and detonations, and concludes with another large block dealing with two - dimensional flows, both linear and non - linear
而課程的第二部分內容為氣體動力學中的不連續問題(包括激波和爆炸) ,結論部份主要會討論線性和非線性的二維流動。The main work and results are as followings. according to gear engagement principle, the math model of swing movable teeth drive is established. the engagement curve, engagement equation, relative speed between eccentric gear and movable teeth, and between movable teeth and internal gear are presented, and the gear equation of internal gear is presented
取得了以下研究成果:根據齒輪嚙合原理,建立了基於齒輪嚙合原理的擺動活齒傳動的數學模型,推導了偏心輪激波器與活齒、活齒與中心輪內齒圈的接觸線方程、嚙合方程、相對速度和中心輪內齒圈的齒形方程。分享友人