介質飽和度 的英文怎麼說

中文拼音 [jièzhíbǎohédù]
介質飽和度 英文
dielectric saturation
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 飽 : Ⅰ形容詞1 （吃足） have eaten one s fill; be full 2 （充實; 飽滿） full; plump Ⅱ副詞（充足; 充分）...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 飽和度 : saturation level; saturation; degree of saturation飽和度控制 saturation control; 飽和度數值 satur...
  • 飽和 : （在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度） saturation; saturated
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. When the moisture content is below fibre saturation point, the movement of absorbed water is subdivided into two parts : one is diffusion transfer due to the vapor pressure gradient, the other is moisture movement caused by the pressure fluctuation due to the variation of medium

    在纖維飽和點以下時，木材內部吸著水的遷移可分為：水蒸汽壓力梯度下的擴散遷移和由於乾燥介質壓力的波動而引起的浮動壓力下的遷移兩個部分。
  3. Segment timer may use to record pressent year, month, date, display pressent time, and with four - segment alarm function, alarm circlate in the sequence of time from first segment to forth segment alarm point it is display intuitional, clocking accuracy, alarm reliable, with clock keep function while key off function

    採用先進的微處理器進行智能控制，主要適用於供熱供暖製冷等熱能系統中，對熱水過熱蒸汽飽和蒸汽氯化鈣水或其它制熱製冷介質中的熱能進行高精度的積算與控制。
  4. Scientists have been devoting to enhance the density of magnetic recording media for years. magnetic materials are expected to be with high coercivity and high saturation magnetization

    提高磁記錄介質的密度是人們多年所追求的目標，這要求磁性材料具有高矯頑力和相應的高飽和磁化強度。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer

    指出由於介質的各向異性，盡管忽略了流體粘度引起的粘度耗散，正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合，為非均勻波，最大的衰減不再沿波傳播方向。
  7. 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。
  8. 2 the modification of unsaturated soil if the degree of saturation is between 90 % and 100 %. the soil is called unsaturated soil. in this article, firstly, the author modifies the bulk modulus of water with equivlent modulus, and then anlayses the dynamic character of unsaturated soil using two - phase media motion differential equations

    2 、欠飽和土的修正方法通常把飽和度sr在90 100之間的土稱為欠飽和土，本文首先利用等價模量對水的體積模量進行修正，然後利用兩相介質的動力微分方程分析欠飽和土的動力特性。
  9. The unsaturated soil ( sr = 98 % ) make the topography effect more noticeable than that of saturated soil and one - phase soil : in the amplification area the amplification factor is bigger than that of saturated soil and one - pahse soil, while in the constraint area the amplification factor is smaller than that of saturated soil and one - phase soil

    介質的種類對地形放大倍數有比較明顯的影響。欠飽和土比單相土具有更明顯的地形效應，在被抑制區欠飽和土的位移或加速度放大倍數比單相土更小，在放大區位移或加速度的放大倍數比單相土更大。
  10. The combination of soil layer has negligible effect on the p - wave propagation. 4 the effect of complex media basin on seismic wave propagation the significant parameters controlling the propagation in basin contain sediments / bedrock shear - wave velocity contrast, sediment depth and the degree of saturation

    4 、復雜介質情況下盆地對地震波傳播的影響基巖與沉積層的剪切波速比、沉積層的深度、沉積層的飽和度是影響地震波在沉積盆地中傳播的重要因素。
  11. The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one

    在前人研究的基礎上，本文基於陳龍珠等曾提出的一組實用飽和土波動方程，用解析或半解析的方法首次較系統而深入地研究了飽和半空間地基與基礎的扭轉振動問題，主要工作有：對于飽和地基上剛性圓板的扭轉振動，作者首先採用hankel變換求解了動力控制方程，得到了該控制方程在hankel變換域內的通解，然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動時的對偶積分方程，並將其化為易於數值求解的第二類fredholm積分方程，用數值方法計算了基礎的動柔度和扭轉角幅值與振動頻率的關系曲線，並將其與單相彈性介質情況進行了對比分析。
  12. Miscible compressible displacement in a porous media is modelled by a nonlinear coupled system of two parabolic equations : the pressure equation and the concentration equation

    摘要有界區域上多孔介質中可壓縮可混溶驅動問題由兩個非線性拋物型方程耦合而成：壓力方程和飽和度方程均是拋物型方程。
  13. Presents the operating principle, deduces the temperature - saturated steam pressure relationship, analyses the force balance of valve plates, and points out the factors determining the action of valve plates and the key problems in making this trap domestic

    摘要介紹了膜盒式蒸汽疏水閥的工作原理，推導得到了膜盒內介質的溫度飽和蒸氣壓關系式，分析了閥片的受力平衡，指出了決定閥片動作的因素和膜盒式蒸汽疏水閥國產化進程中要解決的關鍵問題。
  14. Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified

    討論了液飽和多孔介質中快波、慢波，準剪切波和反平面剪切波的衰減特性，並分析了固體骨架異性以及流體粘度的綜合效應對平面波傳播特性的作用，澄清了介質水平面內異性以及流體粘度對彈性波傳播特性的影響。
  15. The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than on fluid

    有效滲透率是在多孔介質被多種流體飽和時，對單一流體相孔隙介質傳導性的相對度量。
  16. 2. co ( salen ) / nafion modified platinum electrode ( 1 ) the nitric oxide in the medium of natural seawater was determined using co ( salen ) / nafion modified platinum electrode for the first time, the best conditions are found as follows : the time of exclusion of oxygen bubbled with nitrogen for the electrochemical cell is 30min, the preparation time of saturated solution is 30min, the enrichment time is 3min when the concentration of nitric oxide is 10 - 6 mol / l and 7min when 10 - 7 mol / l and the electrochemical responses of the modified platinum microelectrode to no were evaluated by scanning from 0. 2v to iv

    天然海水介質中~氧化氮的電化學鋇定二、 eo （ sa一en ） znanon修飾電極1 .首次用co （ salen ）閃afion修飾鉑電極對天然海水介質中的一氧化氮進行了測定，確定了最佳實驗條件，即反應池通氮除氧30min ， no飽和溶液的制備時間為3omin ， no溶液濃度在10一6mol / l時?富集時間是3min ，濃度在10一7mol / l時富集時間是7min ，電位掃描范圍0 . 2一1
  17. First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion

    文中首先根據vimp對樹脂體系的要求，對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究，確定了最佳低收縮添加劑的含量；對高滲透介質型和溝槽型vimp開展了實驗研究，通過可視化實驗優選出較好的高滲透介質，確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化；對影響充模過程的各種因素進行了詳細的討論，並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程；在實驗的基礎上，建立了二維滲漏模型，採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算，通過充模時間和流動前峰的計算值與實驗結果的比較，驗證本文所採用的數學模型和數值方法的正確性，其結果對實際生產具有一定的理論指導意義。
  18. It becomes necessary, therefore, to specify the fluid saturation when stating the effective permeability of any particular fluid in a given medium

    當陳述特定介質中任何一種流體的有效滲透率時，有必要說明流體的飽和度。
  19. After the simple analyses with the single phased media theory, a more detailed analyses has been done, based on two phased media theory, on rayleigh wave propagation in saturated soil. the new results show that rayleigh wave will really cause larger shear stress and pore pressure than s wave in shallow layers and thus easily induce sand liquefaction

    進一步，基於兩相介質理論的有效應力法，研究了rayleigh波在飽水介質中的傳播情況，給出了rayleigh方程，分析了飽水介質中產生的應力，並同單相介質模型的結果做了對比，證實了rayleigh波較s波可產生較大的剪應力和法向應力梯度，從而導致液化的論斷。
  20. However, owing to the many possible combinations of saturation for a single medium, laboratory data are usually summarized and reported as relative permeability

    然而由於對于單一介質中流體飽和度有許多可能的組合，因此是巖石所獲得的數據常常被歸納和陳述為相對滲透率的數據。
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