模型土 的英文怎麼說

中文拼音 [móxíngtǔ]
模型土 英文
molder
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. We have not some certain appropriable method to solve this problem. more less job has been done on the loess nonlinear model

    本論文用正演和優化相結合的方式對黃土的非線性本構模型中的參數進行反演。
  3. Based on computer simulations, different programs, such as madymo and ls - dyna, were used in this paper to develop simulation model of car - barrier crash with two kinds of barriers ( concrete barrier and w - beam barrier ) and two styles of cars ( ford and santana ) respectively

    文章基於計算機模擬技術，使用不同軟體（多剛體動力學模擬軟體madymo和有限元分析軟體ls - dyna ）針對兩種護欄（混凝土護欄和波形梁護欄）和兩種不同轎車車型（ ford車和santana車）分別建立了轎車-護欄碰撞的模擬模型。
  4. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  5. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。
  6. 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。
  7. Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly

    通過一組分散泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n （ m n ）可以使擬合的c _ t的相對誤差減小，但在考慮粘土結合水與地層水導電性差別時，模型中雖多加一個參數q _ v ，卻沒有減小擬合的c _ t的相對誤差。
  8. Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity

    本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb電阻率模型，並在總孔隙中考慮粘土結合水的體積，但不考慮粘土結合水與地層水導電性的差別，而將粘土結合水與地層水的導電性差別歸結到粘土顆粒導電中，建立了混合泥質砂巖有效介質通用hb電阻率模型。
  9. Based on the simulation model theory of temperature and stress fields presented in this article, a large simulating program for high rccd has been developed, which can numerically simulate all kinds of temperature control measures, including water pipe cooling, heat insulating in winter, reducing place temperature of concrete, spraying water brume, and long interval over - watering surfaces overflowing in flood season.

    基於本文提出的溫度場和徐變應力場模擬模型理論，編制了高碾壓混凝土壩的三維有限元模擬計算程序，在程序中考慮了各種溫控措施的數值模擬，包括：水管冷卻、冬季保溫、降低混凝土的澆築溫度、夏季混凝土表面噴水霧、施工汛期壩頂面過水等。
  10. A composite 3d cadastre model based on the land usufruct is described. on the basis of it, a 3d conceptual model integrating house property with cadastral information is put forward

    摘要結合目前地籍管理日常業務絕大多數僅涉及到土地使用權信息變更的管理實踐，提出了適用於我國的基於土地使用權的復合三維地籍概念模型，並進一步提出了「房地合一」三維地籍概念模型的設計。
  11. Quantitative model to estimate soil erosion rates using caesium - 137 for cultivated soil

    示蹤農業耕作土壤侵蝕速率的定量模型
  12. The discussion on models for estimating soil erosion rates from caesium - 137 measurements on cultivated land

    示蹤農耕地土壤侵蝕速率模型的比較研究
  13. In the computation module, mindlin formula is applied to calculable the displacement of the rock ( soil ). based on the presumption that the rock ( soil ) and the anchor has the same displacement at the interface, the equation of displacement of rock ( soil ) and the anchor is made

    在該計算模型中，運用mindlin公式計算巖體位移，並基於在桿體與巖土體接觸面上位移相等的假定與桿體的位移建立等式，進而求出沿桿體全長的剪力分佈。
  14. Chen, r. h. and hong, y. s., 1998, 11, " limit analysis of nailed soil structures to upper bound theorem ", proc. of 13th southeast asian geotechnical conference, taiwan, r. o. c., pp. 277 - 281

    洪勇善、陳榮河， 2000 ， 02 ， "模型土釘拉出行為之非線性分析" ，八十八年電子計算機于土木水利工程應用研討會，第629 - 637頁。
  15. Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition

    離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。
  16. It has been shown that once the effect of stress history is taken into account, the consolidation behavior of soil differs greatly from that described by terzaghi ' s theory, no matter what kind of model is adopted for soil in a consolidation analysis, linear or nonlinear

    本文的工作表明：考慮應力歷史影響后，無論是採用線性模型還是採用非線性模型，土的固結形狀都與傳統的太沙基（ terzaghi ）固結理論所描述的有很大的差別。
  17. In the third chapter, the origin of uncertainty and random field model as well as the probability characteristics of soil parameters, including self - correlation and cross - correlation, are introduced

    第三章分析土性參數的概率統計特性，包括參數不確定性的來源、隨機場理論模型、土性參數的自相關性和互相關性等。
  18. The staged excavation and retaining can also be stimulated in this model. an engineering case is, as an example, analyzed and the validity and reliability of the model is proved by comparing the predicted deflection with those field measured. the behaviors of soil naing, the character of soil deflection and bar stress are applied to examine and parametric studies are also carried out to investigate the influnences of retaining parameters

    本文首先建立了二維分離式有限元模型，土體本構採用多種本構模型，如e - b 、 l - d模型等，釘土之間採用goodman單元模擬，分析中能夠模擬基坑的開挖與支護的施工過程，通過工程實例的計算，驗證了模型的正確性、可靠性，通過對多組算例的計算分析，研究了土釘支護的內力及變形特徵、工作性狀及影響因素。
  19. The paper use drucker - prager model as the constitutive model of soil, use pole module as the model of soil nails, use girder module as the model of soil - cement mixing piles, use goodman module as the model of interface, an iterative - increment method is used to solve nonlinear equation. 2. the paper has a further research on the influence of compound soil nailing behavior in the perspective and the axial strength of the soil nails of the effect of the stiffness of soil, the stiffness of soil - cement mixing piles, the width of soil - cement mixing piles, the length of nails, the angle of nails

    本文根據目前復合型土釘墻支護的研究現狀和工程實際需要，採用有限單元法對攪拌樁-土釘復合型土釘墻的力學特性進行數值分析，本文的主要工作內容有以下幾個部分: 1 .利用同濟曙光有限元軟體（ geofba ）對攪拌樁-土釘復合型土釘墻支護進行了非線性有限元分析，在有限元計算中，本文採用了drucker - prager模型作為土體的本構模型，土釘採用了桿單元模型，攪拌樁和噴射混凝土面層的組合體採用了梁單元模型，接觸面單元採用了goodman單元模型，非線性求解方法為增量迭代法。
  20. It puts forward to differentiate the coarse and fine sand and then measure the sediment yield of total precipitation erosion by using the combined method of drying and pycnometer in the light of the soil mixed with large quantity of coarser sand in the model tests

    針對模型土壤中夾雜著大量粒徑較粗的泥沙顆粒的試驗，提出進行泥沙粗細分層，然後採用烘乾法和密度瓶法相結合的方法來測量次降雨侵蝕產沙量。
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