水文比擬 的英文怎麼說

中文拼音 [shuǐwénbǐnǐ]
水文比擬 英文
hydrologic analogy
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 水文 : hydrology水文測驗 hydrologic survey; 水文成因分析 hydrologicall genetic analysis; 水文地理學 hydr...
  • 比擬 : 1 （比較） compare; parallel; draw a parallel; liken; match 2 （一種修辭手法; 把人擬作物或把物擬...
  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. Design method of farm machine products drop behind the one of manufactured products. to make our country ' s design and manufacturing technology of dead stock to achieve the standard of developed country, to develop parallel with other machine manufacture, this article introduce cad, optimization design, computer simulation technique into the design of the ditcher, to make its design more reasonable, much higher quality to bring social benefit, economic benefit, ecological significance

    我國農業機械產品的設計方法相對工業產品來說比較落後，為了使我國農機設計製造技術達到發達國家水平，與其它機械製造業平行發展，本文將計算機輔助設計、優化設計、計算機模擬技術引用到該機具的設計中，使該機具的設計更合理、更高質，使它盡快地產生社會效益、經濟效益、生態效益。
  3. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數，模擬實際大批量生產中的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。
  4. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器，以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力，成功地預報了舵的失速角和最大升力，並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較，吻合程度相當好，初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  5. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  6. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  7. Based on developed experimental testing facility, the shading performances of southing horizontal shading devices, vertical shading devices and integrative shading devices of external windows are measured, the performance parameters including indoor temperature, air - conditioned cooling load and shading coefficient as so on. and the shading coefficient of experimental test results and calculation results based on design standard for building energy efficiency are compared, and the windows5. 2 simulation results are compared also. the measured results are consistent with the calculation results of horizontal shading devices and vertical shading devices

    本文利用研製的建築遮陽性能檢測裝置，對南向水平遮陽板、垂直遮陽板和綜合遮陽板外窗的遮陽性能（包括室內溫度、空調耗冷量和遮陽系數等）進行了實驗測試，並對遮陽系數的實驗測試結果與節能設計標準的計算值以及windows5 . 2軟體的模擬結果進行了比較分析，測試結果表明水平遮陽板和垂直遮陽板外窗的遮陽系數與計算結果比較一致，相對誤差分別為2 . 5 %和4 % ，而綜合遮陽板外窗的遮陽系數與計算結果的差值比較大，相對誤差達到10 %以上。
  8. Depend on natural resources of huge person arteries and veins and deep professional setting, in acting tonsorial watch title paper respect is having advantaged human advantage and incomparable professional level

    憑借巨大的人脈資源和深厚的專業背景，在代理發表職稱論文方面有著得天獨厚的人際優勢和無可比擬的專業水準。
  9. Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior

    本文主要通過直接拉拔試驗，考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響，並對粘結效果較差的cfrp筋研究了表面處理方法，以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片，測定了粘結應力沿cfrp筋埋長的分佈情況，並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。
  10. The optimum interpolation method is used to estimate radar measured rainfall which then be applied to topmodel to simulate discharge of shiguanhe catchment during the summer of 1998 in game hubex project. comparison of simulated discharges between radar and rain gauge implements over a 1500 - hour series

    運用雷達聯合少量雨量計方法估測流域面雨量，結合game hubex國際合作項目1998年加強觀測期在史灌河流域獲取的水文觀測資料和topmodel進行降水徑流模擬，並與稠密雨量計站網測量的面雨量進行流域出口流量模擬的對比試驗。
  11. Based on the data recorded of the highest water level in the three survey stations of huangpu river, we give out the parameters estimates by using the eight estimate procedures mentioned above respectively, then we calculated corresponding values of likelihood and goodness - of - fit. we reach the conclusion that maximum - likelihood method performs better and more stable than the others

    本文基於黃浦江三個水文觀測站的歷年最高水位資料，分別利用這八種估計方法，求出了參數估計值，然後分別計算似然函數值和擬合優度度量值w ~ 2 ，對這八種方法進行了比較分析。
  12. By means of the technologies of basin modeling, petroleum system, and correlation among chinese and foreign basins, and integrated analysis of the features of evolution of the basin, tectonic transformation, sidmentology, hydrology, and the anatomising of typical gas pools, the paper focused on the poolforming features of the basin, probed into the characteristics of enrichment, distribution and poolforming of oil and gas, and forecasted the favorable areas or belts of exploration

    本文以成藏為主線，從前陸盆地形成演化、構造變形、沉積充填、水文地質研究出發，以盆地模擬、含油氣系統研究為手段，通過典型氣藏的解剖和成藏主控因素分析，以及與國內外前陸盆地成藏特徵對比，探討川西前陸盆地油氣富集規律和成藏特徵，並預測有利勘探區帶和方向。
  13. The impacts of soil and water conservation on river flow and soil - hydrology of jia - lu - he, tu - wei - he, pian - guan - he and qiu - shui - he catchments have been analyzed by the simulation and on - spot measuring methods according to data of during 1950 ' s to 1990 ' s. the selected catchments of the above four all are in the key area of soil and water conservation on the loess pleatu. the main results are as follows. the trend, reasons and critical year of annual river flow " change have been researched by rank correlation and maximum deviation division

    本文以黃土高原水土保持重點區的佳蘆河、禿尾河、偏關河和湫水河等四條流域為代表，採用定量與定性、模型模擬與實測對比相結合的方法，系統分析了上世紀50 90年代時段內水土保持對河川徑流及土壤水文的影響，取得主要結果如下：採用秩相關和極差分割等定量評價方法，分析了四條支流徑流量變化趨勢、變化原因及發生明顯變化的臨界年份。
  14. In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting

    本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程，給出了與分析解的比較，並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。
  15. On the base of the popular short - term hydrologic forecast models, xin ' anjiang model, the sacramento model and the tank model are used to simulate and analyze the rongjiang river basin and result are analyzed contrastively the second part : the economic running problems are studied in the water power station, and the newest results are used in the water power station in rongjiang river basin

    第一部分，探索了入庫徑流短期預報方法，在綜述了現行常用的短期水文預報模型的基礎上，分別用新安江模型、薩克模型和水箱模型對融江流域實際資料進行模擬計算。對模擬結果進行了比較分析。第二部分，水電站廠內經濟運行理論的實例應用研究，將相關最新研究成果應用於融江流域水電站。
  16. The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics

    將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準，然後通過構建林地面積比與新安江模型參數sm的關系間接確定各子流域及各柵格單元的的sm值，新安江模型參數imp由配準好的土地利用和地表覆蓋信息直接提取，由此建立方案與方案，來分析受下墊面覆蓋的空間不均勻性影響的模型部分參數是如何對模擬水文過程產生影響的。
  17. This model is validated by a subsurface flow separation algorithm for an ex - ample river basin, which shows that the new model can simulate the subsurface flow reasonably. keywords : subsurface runoff parameterization, boussinesq - storage equation, water storage and re - charge. hydrological processes including surface runoff, subsurface runoff, and soil water movement play a great role in land surface processes

    文中基於boussinesq - storage方程建立了同時考慮潛水面水分儲存和非飽和層水分入滲兩方面影響的地下徑流機制，並利用流域水文資料以及地下徑流分離演算法驗證了所建立模型的可靠性，結果表明該模型能夠比較合理地模擬地下徑流的變化情況
  18. In the second part, the new method is compared with the old one in such aspects as system structure and signal processing methods. in the third part, the properties of dsss and lfm systems, especially the echo signal correlation processing of the systems are discussed. the last part are the respective analyses of water - pipe simulation experiment results and the trial results in zhong yuan oil field

    本文首先介紹了超聲測距的基本原理，分析了通道的聲傳輸特性；接著將傳統液位測量方法和新型液位測量方法的系統構成和信號分析處理方法做比較；然後對系統的發射信號（直接序列擴頻信號和線性調頻信號）的特點進行了研究，並著重討論了回波信號的相關處理；最後對水管模擬實驗測量結果和油田實地測量結果分別進行了分析和討論。
  19. The main conclusions are as follows : through the different structure and algorithm application of bp model in the predication of regional groundwater hydrology, the hidden layers number, learning rates, neuron number of hidden layer and training errors of bp model and accelerated bp algorithm which influence the convergence effects and test results of model are compared each other. some application technology related parameters of bp structure design are put forward

    論文取得了以下主要成果：通過不同bp網路結構和演算法在區域地下水文預測中的實例研究，重點比較了不同層次結構、隱層單元數、學習速率、訓練收斂誤差等4個基本要素及不同演算法、不同樣本容量等對模型收斂效果、模擬、檢驗與預報結果的具體影響。
  20. Based on five years regional water - salt monitoring data and related hydrological and weather information in the smaller scale experiment zone ( shahaoqu ), the regional water - soil ( salt ) environment regime including grounder water table depth, water quality, superficial layer ( 0 - 40cm ) and middle layer ( 40 - 70cm ) soil moisture and saline concentration are simulated, tested and predicted using bp model. at the same time, the rbf model is be used to calibrate the results of bp

    以一個小尺度試驗區的多年區域水鹽監測資料及水文氣象資料為建模依據，對試區非凍期（作物生長期）的地下水位、地下水質、土壤水鹽（ o - 40cm ， 40 - 70cm ）的水-土（鹽）環境狀況進行了較為深入全面的模擬預測，並進行了rbf模型預測結果的對比。
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