unsaturated soil 中文意思是什麼
unsaturated soil
解釋
不飽和水分土壤- unsaturated : adj. 未飽和的；不飽和的。 unsaturated compounds 不飽和化合物。 unsaturated steam 未飽和蒸汽。
- 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...
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Water transmitting rate of unsaturated soil also increased with the increasing of relative partial molal free energy variation, and relative partial molal enthalpy variation, in case that soil water content was constant
結果表明，在同一溫度條件下，提高土壤水勢可增加土壤非飽和導水率，呈現黃綿土> ，土。 -
It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents
摘要通過對裸地、扭黃茅草地、車桑子灌木林地和按樹林地四種不同植被類型、不同深度土壤在天然含水量情況下的直剪試驗，研究了植被類型對非飽和土抗剪強度的影響。 -
One - dimensional constitutive model of unsaturated soil considering change of matric suction
考慮基質吸力變化時非飽和土的一維本構模型 -
Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.
本文研究的工作就下述幾個方面展開：用石灰改良膨脹土的機理；通過室內試驗確定摻灰的技術指標；在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗，即鈣離子水試驗，由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性；用數值方法對路堤使用期的濕度場進行模擬，並與路堤的強度?變形的計算域耦合，以檢驗土性改良的效果，從而探索一種描述改良膨脹土路堤運行工況的數值方法；用現有最常用的且費用最低的施工機具，對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。 -
Variation of the soil suction of unsaturated soil slope under alternative action of infiltration and evaporation is studied taking a filled road slope and an excavated one as examples
將公路填方和挖方路基邊坡作為典型算例，研究了入滲、蒸發交替作用下非飽和土邊坡內吸力的變化。 -
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。 -
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。 -
The rule about water flow in the unsaturated soil and the soil - water characteristic curve are described in this thesis in the first time step during the numerical simulation, the permeability coefficient is calculated according to the initial water content of the unsaturated soil, because of as shown in the soil - water characteristic curve has the hysteresis phenomenon
闡述了非飽和土中水流動的基本規律和土水特徵曲線。由於土水特徵曲線具有滯后的特點，提出了根據初始含水量來確定數值模擬初始時步非飽和土的滲透系數。 -
The basic resonance frequncy of unsaturated soil is less than that of saturated soil or one - phase soil
欠飽和土使沉積盆地的基本共振頻率減小。 -
The responce of displacement and acceleration of saturated soil is almost the same as that of one - phase soil, less than that of unsaturated soil
飽和土的位移和加速度反應與單相土的位移和加速度反應相近，欠飽和土的位移和加速度反應大於單相土的位移和加速度反應。 -
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。 -
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。 -
Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization
地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關，因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件 -
In this paper, a saturated - unsaturated soil seepage ( suss ) method is suggested to analyze the seepage stability of an inundated embankment slope in condition of strong rainfall, by relating a finite element method
摘要提出飽和與不飽和土滲流（ suss ）法，並結合有限元法，分析強降雨條件下公路填方路堤邊坡的滲流穩定性。 -
By the test of saturated soil and unsaturated soil, this paper enquiry that the stress - strain relationships of compacted soil under one dimensional consolidation is perfect hyperbole
本文通過重塑土（飽和和非飽和）室內試驗，探討了一維情況下壓實土的應力應變關系呈現很好的雙曲線形式。 -
In addition, at ncku - re study site, collections of soil water contents and data of rainfall estimate infiltration and runoff in homogeneous unsaturated soil profiles, after net fuzzy - neuro training, to analyze soil infiltration behavior and determine the infiltration and runoff of the region of the subsurface
中文摘要本研究主要目的將現地資料含水量，運用模糊類神經網路去做訓練，在考慮降雨與土壤含水量，進行未飽和層剖面之地表入滲、逕流分析與推估。 -
In field study, the expenment on nitrogen transport and transformation in soils with different irrigation ( with both ground water and sewage effluent ) and fertilization levels has been conducted. with considenng the n - uptake, nitrification and demtrification processes, a model for describing no2 - - n transport and transformation in unsaturated soil has been applied. results show that, the n03 + - n accumulating in soil is contributed more by fertilization but lees by irrigation with sewage effluent, and the model can be used to simulate no3 - - n transport in soils
在室外進行了不同清污水灌水量與施肥條件下氮素遷移轉化試驗，同時進行了考慮根系吸收，硝化和反硝化的田間非飽和no _ 3 ~ - ? n遷移轉化模型的數值模擬，研究結果表明與施肥相比，污水灌溉對土壤中no _ 3 ~ - ? n累積的貢獻較小，所建立模型可用於模擬no _ 3 ~ - ? n在土壤中的遷移。 -
With the equation for water vapor transfer in unsaturated soil the thesis deduces the equation for liquid water transfer, and then puts forward the coupled calculation method for water vapor and liquid water transfer together, and then build the difference calculation program to realize the coupled calculation under the one - dimension and constant - temperature condition, and put the program into practice with the experiment conditions, the calculation result tallies well with the experiment data, the facts proves the reliabilities of theory deduction and the feasibility of coupled calculation method
最後論文結合非飽和土氣態水遷移引起的含水量變化方程，推導了液態水遷移引起的含水量變化方程，提出了非飽和土考慮氣態水和液態水混合遷移的計算方法，編制差分計算程序實現了一維恆溫條件下液態水和氣態水的禍合計算，並將程序結合試驗條件進行了應用，計算結果與試驗結果較為吻合，表明了理論推導的可靠性和禍合計算思路的可行性。 -
Usually there is two forms of water transfer which is water vapor transfer and liquid water transfer in unsaturated soil
非飽和土中水分遷移通常有液態水和氣態水遷移兩種形式。 -
Some examples are given to explain the rules of unsaturated soil infiltration
一些計算算例說明降雨條件下非飽和滲流的基本規律。
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