非飽和方式 的英文怎麼說

中文拼音 [fēibǎohéfāngshì]
非飽和方式 英文
nonsaturated mode
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 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
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 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
  • 方式 : way; fashion; pattern
  1. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面，文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型，並用其改進了陸面模式vic variable infiltration capacity中的徑流計算，該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面，文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型，文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  2. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  3. Methods of analysis of fats and fatty oils - other methods - determination of polyunsaturated fatty acids with a cis, cis 1, 4 - diene structure

    脂肪和油脂的分析方法.其他方法.帶一個順式順式1 ， 4 -二烯結構的多聚非飽和脂肪酸測定
  4. By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole

    通過非飽和沙漠砂直剪試驗和常規三軸剪切試驗，研究了含水量和干密度對非飽和砂強度的影響，建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平面應變試驗，分析了沙漠井場浸法施工中就基坑壁的破壞方式，推導出了基坑和樁孔容許開挖深度的計算公式。
  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. Using the convective - dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fertilizer supply

    用非飽和土壤水動力彌散方程及其解析解，在室內試驗的基礎上，研究了非飽和土壤在不同初始含水量、不同入滲方式及不同加肥方式下的水動力彌散系數。
  7. Abstract : using the convective - dispersive equation and based on labo ratory exp eriment, the hydrodynamic dispersion coefficient of unsaturated soil is determi n ed under different inial soil water content, different manner of water infiltra t ion and fertilizer supply

    文摘:用非飽和土壤水動力彌散方程及其解析解，在室內試驗的基礎上，研究了非飽和土壤在不同初始含水量、不同入滲方式及不同加肥方式下的水動力彌散系數。
  8. On the basis of the theory about water potential in soils, a partial differential equation of water movement in unsaturated soils is derived, which chose volumetric water content as the control variable. the numerical solution of the equation using finite difference method is discussed in this paper, and the modality to calculate water movement in slope considering rain infiltration

    基於非飽和土的土水勢理論，本文推導了以體積含水率為因變量的二維非飽和土的水分運動方程，並給出了用有限差分法來求解此偏微分方程的方法，得到了考慮降雨入滲影響的土坡水分運動的計算程式。
  9. Traditionally, the saturated zone is modeled as a simple lumped continuity equation :, dsitqsdt where t is time, s is the total storage in the reservoir, i is the spatially integrated volume of incoming wa - ter, and q is the discharge subsurface runoff which only depends on the total storage s. this kind of subsurface runoff model has many different parame - terizations 10 12, however it has a very common char - acteristic that the subsurface runoff is just a sin - gle - valued storage - discharge function

    對于大尺度水文模型而言，目前常常採用的是集總式的地下徑流機制，其連續性方程一般可表示為d ， dsitqst ? 1這里t是時間， s表示整個流域潛水面土壤層的飽和區域總的水分儲存量， i t表示t時刻土壤的非飽和區域向整個潛水面的水分補充量， q s表示僅依賴於水分儲存量s的地下徑流量量
  10. On the basis of the existing researches about the fully coupled thermal field and moisture movement in unsarurated loess soils, this paper gives the finite element module of thermal field after consideration of various natural elements such as wind speed, radiation, evaporation, and meanwhile put forwards the finite element module of moisture movement on saturated - unsaturated loess soils. furthermore, the paper also probes into the thermal and moisture transferring and coupled theory, and gives finite element module of fully coupled thermal field and moisture movement in unsarurated loess soils

    在國內外有關非飽和土溫度場、水分遷移場及其耦合問題研究的基礎上，給出了考慮輻射、蒸發、風速等邊界條件的溫度場有限元方程，給出了計算飽和-非飽和土水分遷移場的有限元方程，對非飽和黃土中溫度場和水分遷移場傳輸機理及其耦合問題進行了初步的研究，給出了土體溫度場和水分遷移場之間耦合問題的有限元計算模式，分析了溫度和含水量之間的相互作用和影響。
  11. Having established the coupling model of two phase flow of water and gas and used the method of impes ( implicit pressure - explicit saturation method ) to solve it, this paper apply it to the simulation and calculation of transport and production of water and gas of tl coal bed methane well in qinshui basin

    摘要本文建立了非飽和帶水氣二相滲流的耦合模型，並採用impes （隱式求解壓力方程，顯式求解飽和度）求解方法對該模型進行了求解。
  12. The results indicate that the inial soil water conten t and the manner of water supply affect the dispersion - coefficient deeply, but the manner of fertilizer supply does not affect it

    研究結果表明：土壤初始含水量、灌水方式對非飽和土壤水動力彌散系數影響大，而加肥方式對土壤水動力彌散系數影響小。
  13. Based on lyapunov stability theorem and lmis approach, a control profile, including both static state feedback control and dynamic output feedback control, is presented for norm - bounded uncertain discrete - time linear systems with actuator sector nonlinearity ; 2

    以線性矩陣不等式方法為帶有扇形飽和非線性執行器的范數有界時變不確定離散線性系統設計線性狀態反饋控制器和線性動態輸出反饋控制器； 2
  14. Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given

    文摘:飽和軟粘土地基沉樁過程中樁土擠壓所引起的樁周土體超孔隙水壓力效應是非常顯的.本文從彈塑性理論出發推導出沉樁過程中樁周土體擠壓應力及超孔隙水壓力的計算公式，給出了考慮擠壓應力和超孔隙水壓力影響因素的合理打樁間距的確定方法
  15. The optimal course is automatically implemented with matlab. the cusp catastrophe model is established by means of the upper bound theorem of plastic limit theory. the characteristic formula of the failure of slope is also deduced

    根據分析邊坡穩定性的塑性極限方法的上限理論建立了邊坡失穩尖點突變模型，並得出邊坡突發式滑坡的特徵關系式，用突變理論對非飽和土邊坡穩定進行了初步研究。
  16. The unsaturated soil water movement formula is adopted for calculated the transient water content within the slope. with equilibrium method the stability of soil - nail bracing structure of unsaturated soil slope is analyzed considering the connection between the shear strength of unsaturated soil and water content. genetic algorithm is introduced for searching the minimum factor of safety of natural slope and soil - nail bracing in unsaturated soil

    運用非飽和土水分子運動方程，求解降雨入滲條件下邊坡土體的瞬態體積含水量，又考慮到其與非飽和土抗剪強度的關系，利用極限平衡理論推導了非飽和土邊坡土釘支護整體穩定性最小安全系數f _ （ s ， min ）公式。
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