波的彌散 的英文怎麼說

中文拼音 [bōdemísǎn]
波的彌散 英文
dispersion of waves
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 彌 : Ⅰ動詞1. （遍布; 充滿） overflow; fill 2. （填滿; 填補） fill Ⅱ形容詞（滿） full; whole Ⅲ副詞（更加） more Ⅳ名詞（姓氏） a surname
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  1. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性：在深度方向上衰減較慢，傳播較深，波動性大.提出了在道路結構動力響應計算中，利用面波來模擬水平向傳播波，利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性，並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性
  2. The wave are of course dispersive.

    當然這種波是彌散的。
  3. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  4. Dispersion of rayleigh wave in a nearly saturated soil

    準飽和土中的瑞利波彌散特性
  5. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程，假設砂土滿足各向同性並處于彈性小應變狀態，豎向振動力將在飽和砂土內部產生三種波，分析了這些波的彌散曲線和特徵衰減曲線，從波傳播的角度，研究了振動力參數和土性參數對振動范圍的影響。
  6. In order to proof the program ' s effectiveness, we made some experiments on ly - 12a1 by shpb. in addition, based on the pochhammer - chree ' s theoretical solution about the stress wave propagation in infinite cylindrical bar, a numerical approach for analyzing dispersion in shpb experiments is developed

    由於應力波在桿中傳播時存在彌散效應，在hopkinson桿實驗中，採用桿中某處的應變來代替桿與試件接觸端面處的應變，這必然會因為應力波的彌散效應給實驗結果帶來偏差。
  7. This text reviews the findings of 3 dimensional mr imaging, functional magnetic resonance imaging, magnetic resonance spectroscopy, and diffusion tensor mr imaging in alzheimer ' s disease for the past few years, and explains the perspective research involving the four mentioned magnetic resonance imagings in the diagnosis and early diagnosis of alzheimer ' s disease

    本文對近年來的核磁共振成像三維測量、功能性核磁共振成像、核磁共振波譜成像和核磁共振彌散張量成像4種技術對阿爾采末病的研究結果進行了綜述，並闡述了以上4種核磁共振成像技術之於診斷和早期診斷阿爾采末病的研究前景。
  8. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎，通過質量守恆方程和動量守恆方程的耦合，提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件，計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響，解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明，乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變，隨液滴尺寸多分散性的增大，極大堆砌分數增大；隨液滴平均尺寸的增大，多分散性對極大堆砌分數的影響減弱；當韋伯數足夠大時，液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  9. The performance of hf data transmission systems is badly constrained by the hf channels what are characterized by the rapid time variation and dispersion

    高頻通道的變參性以及時間彌散特性嚴重影響短波數據傳輸的性能。
  10. 3. according to the shape of isi scatter map, isi slow wave oscillation can be divided into 5 basic types : v, reversal h, integer multiple, diffusive and compound patterns

    根據78例h慢波振蕩過程在isi散點圖上顯示的形狀，可分為5種基本型式： v形，倒fi形，整數倍形，彌散形和復合形。
  11. Secondly, according to the basic theory of the general spectrometer, in this paper we discuss the fundamental, the compositions and the characters of tcecs. we analyze the main influencing factors for resolving power, such as the dispersion of the x - ray on the detection circle, spectra location error and the aperture width etc. and we put out the ways to resolving the problems

    接下來，本文根據經典光譜儀器的基本理論，著重討論了雙通道橢圓彎晶譜儀的基本原理，及其基本組成和基本特性，並從x射線波長在探測圓上的彌散度、光度參數與探測角之間的關系、狹縫寬度等方面對譜儀的精度和解析度的影響作了一定的分析，並提出了解決問題的辦法。
  12. 2. finite and infinite element coupling method applied in the paper can not only reflect the scattering phenomenon of waves, but also lessen the amount of calculation. it has significant advantage compared with pure finite element method

    L本文的有限元一無限元耦合分析方法，不僅可以較好地反映波在無限域介質中的能量彌散現象，同時大大減小了計算量，與單純的有限元法相比，具有顯著的優越性。
  13. This phenomenon, peculiar to the two-dimensional wave motion, is sometimes called diffusion.

    二維波所特有的這種現象，有時叫做彌散現象。
  14. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在激波計算中的區域分解法，即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置，再在激波附近小范圍內，用低階格式及人工壓縮方法以消除彌散效應.在激波區域外，應用高精度格式，減少了過超振蕩現象，提高了解析度.在各區域交界應用全能穩定聯接格式，解決了格式的耦合穩定問題.最後舉出數值計算實例，計算結果與理論分析符合
  15. Testing of lubricants - determination of wear elements - part 2 : analysis by wavelength dispersive x - ray spectrometry

    潤滑劑的試驗.磨損元件的測定.第2部分:波長彌散x射線
  16. Testing of lubricants ; determination of the content of additive elements ; analysis by wavelengthdispersive x - ray spectrometry

    潤滑劑檢驗.添加元素含量的測定.用波長彌散射線光
  17. Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed

    再利用彈性力學中的變分原理，導出了同時計及粘性和橫向慣性效應時的彈性細桿的幾何非線性波的波動方程，用特徵線法得到它的特徵線和特徵線上的相容關系，分析了粘性耗散和幾何彌散效應對波的傳播速度的影響。
  18. Abstract : the secular equations of rayleigh waves in a poroelastic half - space soil are developed by analyzing dynamic equation and continuous equation of poroelastic soil. ravleigh surface wave dispersion characteristics and its displacement as well as liquid pressure distributions in saturated half - space soil are discussed

    文摘:通過對飽和土中波的運動方程及連續方程分析，推導了飽和土中瑞利波特徵方程，討論了半空間飽和土中瑞利波波速度的彌散特性，以及位移和孔壓分佈情況
  19. 6 % ), its downtrend and uptrend were steep and its isis had two significant inflexion hi the trough. integer multiple pattern ( 7. 7 % ), its isis showed clear layered structure. there existed a basic isi and other isis were concentrated at about integer multiples of the basic isi

    6 ，其下降支與上升支較為陡峭，且下降支與波谷以及波谷與上升支之間有兩個明顯的拐點；整數倍形佔77 ， isi在連續變化的過程中顯示分層結構，各層的isi為基礎isi的整數倍；彌散形佔6
  20. Dispersion of waves

    波的彌散特性
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