porous soil 中文意思是什麼

porous soil 解釋
多孔土壤
  • porous : adj. 1. 多孔的；有氣孔的；〈比喻〉漏洞多的。2. 能滲透的。3. 素燒（瓷）的。adv. -ly ,-ness n.
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. The island has thick and porous soil and caves and cracks abound, making it an ideal habitat for pallas pit vipers, the only kind of snake found here, a rare ecological phenomenon

    島上土層深厚，土質疏鬆，洞穴和巖縫較多，最適于蝮蛇繁衍生息。蝮蛇是島上唯一的一種蛇，這種生態現象世所罕見。
  2. Soil quality - determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

    土質.使用軟壁滲透儀測定飽和多孔材料的水滲導性
  3. The soil is porous.

    土質疏鬆。
  4. The main achievements could be summarized as follows : 1 ) the dynamic response of the saturated, porous, elastic half - space is studied in this paper, and saturated soil is taken as elastic two - phase media

    現將本文的主要工作簡單介紹如下：本文以飽和土為研究對象，在兩相介質為彈性介質等一些條件假定下，進行了飽和彈性半空間動力響應問題的研究。
  5. If it is loose and porous enough for plants to find a foothold, it is called soil.

    如果它疏鬆多孔，植物能夠植根其中，它就叫作土壤。
  6. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  7. Treating the soil as a two - phase mixture and considering the interactive influence of seepage and solid deformation, this paper analyzes the dynamic impedance of group piles in layered saturated porous media by indirect boundary element method and investigates the effects of pore fluid in saturated soils on dynamic impedance of piles

    摘要將飽水軟土地基視為兩相介質，考慮水的滲流和土骨架變形的耦合作用，用間接邊界元法分析層狀飽水軟土地基中橫向受荷群樁動力阻抗，探討飽和土中孔隙流體對飽和土中橫向受荷群樁動力阻抗的影響。
  8. In order to exhibit the application of the method of porous media macroscopical geometric classification and minimum energy dissipation, the combination system between one - dimension pipeline media and three - dimension block media is tried to simulate the destroying and developing process of soil piping erosion

    為了進一步展示多孔介質宏觀幾何分類方法及最小能量耗散原理的應用，文中還嘗試採用具有一維性質的管道介質與具有三維性質的塊體介質組合體系進行了土體管涌破壞發展過程的模擬。
  9. As a whole, the research work of this dissertation can be summarized as follows : ( 1 ) based on the porous media elastic unstable theory, the interfering well flow model of soft soil two - layer structure underground confined water is inferred, and consequently, the basic dewatering calculation method of soft - soil two - layer deep excavation dewatering is inferred

    具體研究內容如下： （一）從彈性多孔介質滲流理論出發，推導出二元結構承壓含水層群井干擾穩定流模型，進而導出軟土地區二元結構地層深基坑降水的基本計算方法。
  10. In fact, soil is being as saturated or unsaturated state, it is a kind of composite composed with solid, liquid and gas, namely a typical porous media

    工程中的土體通常以飽和或非飽和狀態存在，是固-液-氣多相復合體，是一種典型的多孔介質。
  11. Seismic reflection and transmission coefficients at an air - water interface of saturated porous soil

    氣分界面上的反射與透射
  12. The tdr measurements of ecw with high spatial and temporal resolution combine with porous ceramic cup solution samplers to follow no3 - n transport in soil is a new, valuable method for analyzing transport of nonconservative ions in soil

    土壤中人孔隙的存在可使硝態氮在灌水后的很短時間內隨水分以優勢流的方式到達下層土壤。
  13. When waves propagate over the ocean surface, a sequence of wave pressure is induced on the mudline or seafloor, which causes the coupling interaction between the deformation of soil skeleton and seepage movements of porous fluid

    海洋表面傳播的波浪在海水-海床的交界面處施加了循環波壓力，在這種循環波壓力作用下，海床內土骨架的變形與孔隙流體的滲流運動相互耦合。
  14. In this dissertation, after making a short review of the state - of - the - art of studies on the topics, the author present the study results, which include the following contents : ( 1 ) after simply reviewing the research results of two - dimensional wave propagation in the non - deformable porous media, a series of studies on wave propagation in the deformable porous saturated soil layers are made

    本論文就這些問題做了一些研究工作，內容如下： （ 1 ）簡要回顧了在不變形介質的前提下二維地下水的波動問題的研究成果。然後在可變形介質的前提下，直接從兩相介質動力方程出發，對含水土層中的波動問題進行了研究。
  15. Depending on the numerical model proposed, the effect of accelerations of soil skeleton and porous fluid on the dynamic response of elastic seabed is examined. it is possible that the amplitudes of effective stresses in large - thickness seabed to high - frequency waves would be underestimated in some regions if the accelerations were overlooked. the responses of layered seabed, seabed with gentle slope and the seabed unde

    根據所提出的廣義blot固結理論計算模型，通過線性數值分析考察了加速度項對海床動力響應的影響范圍及影響程度，指出對于高頻波浪下的大厚度彈性海床，忽略加速度項可能低估某些范圍內的有效應力幅值，而傳統的加速度作用判別準則並不總是成立的。
  16. We use time domain reflectometry ( tdr ) to simultaneously estimate volumetric soil water content, soil solution electrical conductivity, and soil nitrate concentrations in combination with porous ceramic cup solution samplers to follow no3 - n transport in soil exposed to different irrigation, fertilizer quota and temperature. the experiment was conducted with nondestructive soil colums

    本研究中以原狀土為研究對象，利用時域反射技術隨時測定土壤含水量和電導率的特點結合多孔陶瓷杯抽濾技術，研究在不同灌水、施肥和溫度下硝態氮的變化。
  17. Soil - rock - mixture is a typical porous medium, and its seepage is closely related to the particle - size, void ratio and particle shape

    土石混合體屬于典型的多孔介質，其滲透特性與顆粒的大小、孔隙比及顆粒形狀關系密切。
  18. Based on 3d axis - symmetrical soil model and the theory of saturated porous medium originally presented by biot, an integral pile and pile with variable impedance embedded in layered saturated soil are analytically studied in this dissertation

    在這一背景下，本文考慮了飽和土的三維波動效應，採用解析方法對三維軸對稱成層飽和土中完整樁及各類變阻抗樁的縱向耦合振動理論進行系統研究。
  19. But so far, regarding soil as porous media, using mixture theory and multi - field coupling theory, the structural characteristics and failure mechanism of rsrw have not been studied. this certainly will affect the farther development of rs theory and the extensive application of rs technology. in this dissertation, based on research findings at home and abroad on rsrw and

    然而將土體視為多孔介質，利用混合物理論、多場耦合理論對加筋土擋墻的結構特性及破壞機理的研究到目前為止尚未開展，這必然會影響加筋土理論的進一步發展和加筋土技術的推廣應用。
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