upper wave 中文意思是什麼

upper wave 解釋
高空波動
  • upper : adj 1 (更)上面的,上方的,上部的;較高的;上級的;(議會)上院的;(衣服)穿在外面的。2 上流的...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. Its tunable wave - region is over 100nm ( 701 812nm ) with the characteristics of simple manufacture and compact structure ; pulse with high energy can be obtained through q - switch for longer life ( 260us ) particles in upper level in this paper, tunable and q - switch mechanism and principle of working material alexandrite ( cr3 + : beal204 ) is firstly expatiated and analyzed. the experiment of tenability ( et ) and experiment of q - switch ( eq ) is proved feasible

    該激光器波長在701 - 826nm之間,製作容易,結構緊湊;上能級粒子壽命長( 260 s ) 、調q容易得到大能量輸出本論文首先對激光工作物質?紫翠寶石( cr ~ ( 3 + ) : beal _ 2o _ 4 )的調諧與調q原理和機制進行了解釋與分析,確定了調諧與調q實驗的可行性。
  2. New generation extracorporeal shock wave lithotripsy for upper urinary calculi

    新一代體外震波碎石機治療上尿路結石
  3. X4 ? gridding attenuation and 2 ? x2 ? gridding group velocity are calculated respectively, based on the attenuation and velocity, the distribuation of rayleigh wave quality factor qr are yielded finally. ( 3 ) building the s - wave quality factor og3d structure of the continental crust and upper mantle of china area

    為此把中國大陸區域劃分成4 4網格和2 2網格,利用lsqr方法分別進行衰減系數和群速度網格化反演,得到4 4單元格的衰減系數分佈和2 2單元網格的群速度分佈。
  4. This dissertation investigates both existence of traveling wave solutions for delayed reaction diffusion systems and lattice differential equations, and global attractor of spatially discretized fitzhugh - nagumo equations with dirichlet or neumann boundary conditions. for delayed reaction diffusion systems, the existence of traveling wavefronts in diffusive and coorperative system with time delays is provided, firstly ; the monotone iteration scheme, together with upper - lower solution technique, is applied to establish the existence of traveling wavefronts of delayed reaction diffusion systems with some zero diffusive coefficients. secondly, schauder fixed point theorem is applied to some operators to prove the existence of traveling wave solutions in a properly subset equipped with exponential decay norm, which is obtained from a pair of upper and lower solutions for delayed reaction diffusion systems with non - quasimonotoiiicity

    對于時滯反應擴散方程,我們先利用吳建宏和鄒幸福[ j . dynam . diff . eqns2001 ( 3 ) ]中的主要定理來研究時滯競爭擴散lotka - volterra系統波前解的存在性,給出了這個定理在非線性項滿足弱擬單調條件( qm * )時在系統情況中的應用;並利用單調迭代方法和上、下解技術,對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理,對于具有部分零擴散系數的時滯反應擴散方程建立波前解的存在性定理。
  5. Fan - delta and wave - dorminated delta deposits of the upper - jurassic in songjia depression, liaohe basin

    遼河盆地宋家窪陷上侏羅統扇三角洲和浪控三角洲
  6. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。
  7. We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences

    第五章,考慮了一類廣義耦合的非線性波動方程組,在第二節中討論了周期初值問題,證明了整體光滑解的存在性和唯一性,得到了整體吸引子,給出了hausdorff維數和分形維數的上界估計;在第三節中討論了cauchy問題,利用加權函數和加權空間的插值不等式,證明了無界區域上整體吸引子的存在性;在第四節中證明了時間周期解的存在性。
  8. By using the attenuation property of the rayleigh surface wave to invert the quality factor of crust and upper mantle, this paper yields the s - wave quality factor 3d structure of crust and upper mantle of china, and the viscidity structure of this area as well

    本文主要通過rayleigh面波衰減反演地殼上地幔s波品質因子q _ ,建立了中國大陸地殼上地幔s波品質因子全三維結構。探討了中國大陸區域地球內部粘彈性結構。
  9. This is of very important significance to understand the material property and geodynamic of corresponding area, the surface wave attenuation mechanism and the inversion algorithm of attenuation and s - wave quality factor are discussed systemically in this paper. some important fruits and understanding are resulted from the the crust and upper mantle tomography of china. ( 1 ) calculating of the rayleigh surface wave attenuation factor y

    本文首先探討了面波衰減的機理,對面波衰減和s波品質因子q _反演的計算方法進行了系統的研究,並對中國大陸地區地殼上地幔q _三維結構進行層析成像,取得了以下重要成果: ( 1 ) rayleigh面波衰減系數計算。
  10. 3. the bamboo carbon tube inside absorb water the fiber, it can absorb the water of the flower pot bottom to the upper level mud, to provide the plant growth need. 4. the bamboo in the flower pot carbon has the fluid matter, air of decontamination and protects fresh eliminate smelly, adsorb the moisture, improve the soil and shield the electromagnetic wave etc. effect

    4 .種植籃內填充竹炭顆粒,竹炭具有自動調濕功能,含有植物生長所需的各種礦物質,還可凈化水質空氣保鮮消臭屏蔽電磁波輻射等功效,用竹炭顆粒水培花卉其實際效果較好。
  11. The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency

    本課題研究內容:在不要點,不開天窗,不中斷行車,不中斷被測區段牽引電流的情況下,在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓,移頻信號(調頻信號)的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。
  12. Ultrasonic is a kind of mechanical wave that frequency is upper 20khz. ultrasonic may be generated by many ultrasonic transducers

    超聲波是頻率高於20khz的機械波,它可由多種能量轉換器轉變而成。
  13. Regional seismic wave carries iota of information about structural variations in the crust and the upper mantin

    摘要區域地震波攜帶著大量的信息,可以很好地反映地殼和上地幔結構的變化。
  14. In chapter 2 and 3, wave front solutions of the delay reaction - diffusion cui - lawson equation and the 2 - dimensional competitive lotka - volterra systems are obtained by constructing an upper solution and a lower solution of a second differential equation with delay. in chapter 4, it is discussed that travelling wave solutions of the delay reaction - diffusion equations whose reaction term do not satisfy quasimonotonicity condition or weak quasimonotonicity condition

    在第二章和第三章,利用一類二階時滯微分方程解的存在性理論,通過構造這類時滯微分方程的上、下解,分別研究了含時滯和擴散的cui - lawson方程和二維競爭型lotka - volterra系統,得到了它們波前解存在的充分條件。
  15. It is possible that the reflection fringes on the four sides of the acoustic wave screen, after being used for a period of time, are covered by lots of dust, which leads to a failure to adjust. if you use the ka cabinet of our company, you can open the upper cover, and rub with a piece of dry cloth. pay attention not to damage the upper left, upper right and down right transducers

    有可能是聲波屏在使用一段時間后,屏四周的反射條紋上面被大量的灰塵覆蓋導致不能進行校準,如果您使用的是我公司ka型機櫃您可以打開上蓋用一塊乾的軟布進行擦拭,注意左上,右上,右下的換能器不能損壞
  16. Conclusion a better short - term curative effect on the syndrome of upper venous cavity was demonstrated with fewer side - effects when shock wave treatment therapy was used

    結論大劑量沖擊放射治療上腔靜脈綜合征,近期療效較好,副作用小。
  17. Numerical migration for typical models show that, in contrast to ray method, prestack wave motion migration can correctly image inhomogeneous media, and suppress multiple reflection wave effectively. prestack migration method presented in this paper should be developed to apply in observational teleseismic p waveform data, to study the inhomogeneity of crust and upper mantle

    典型的介質模型數值分析表明,與射線方法相比,接收函數的波動方程疊前偏移能對橫向非均勻介質準確成像,不僅有較高的解析度,而且對多次波有較明顯的壓製作用。
  18. This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth

    其中一種顯著的現象是:在一定的氣象條件下,在大氣邊界層尤其是在近地層中傳播的電磁波,受大氣折射的影響,其傳播軌跡彎向地面,當曲率超過地球表面曲率時,電磁波會部分地被陷獲在一定厚度的大氣薄層內,就好像電磁波在金屬波導管中傳播一樣,稱為大氣波導傳播,形成波導傳播的大氣薄層稱為大氣波導層。
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