soil water table 中文意思是什麼

soil water table 解釋
土壤水面
  • 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...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • table : n 1 桌子;飯桌,餐臺。2 手術臺;工作臺;游戲臺;賭臺;寫字臺。3 (飯桌上的)食物,酒菜,伙食;一...
  1. An unconfined aquifer has a water table at its top and water in direct contact with the soil atmosphere.

    非承壓含水層在它的上面有一個潛水面且水與土壤大氣直接相連。
  2. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此,分析區域內典型植物群落的地下水水位、水質在時空上的動態變化,有助於探討土壤水鹽動態變化的形成條件,揭示植被在空間上梯度變化的原因。
  3. The distance of the water table below the soil surface must be adjusted.

    必須調整土壤表面以下水位的距離。
  4. This lowers the water table and reduces soil alkalinization

    這可降低水位,減少土壤的堿份。
  5. To illustrate this point, vi the dynamic of the water and salt in fukang oasis will be analyzed. by comparative analysis of the dynamic of soil moisture and salinity in farmland, the abandoned land inside new oases, sand dune and the grassland periphery, the influence of dynamic state of soil moisture and salinity on the oasis stability can be clarified. thus, we may draw the following conclusion : l. at the plains in fukang, the ground water table rises gradually from south to north, and it falls in the desert

    本論文研究圍繞典型荒漠植物群落的水鹽動態變化及其對植物群落空間分佈的影響以及綠洲內的水鹽動態變化,通過綠洲農田與綠洲內撂荒地、綠洲外圍水鹽動態的對比分析,水鹽動態變化對綠洲穩定性的影響,得出以下結論: l從南至北,研究區地下水位在平原區逐漸升高,在沙漠中又降低。
  6. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  7. Assessment of site conditions is necessary to ascertain suitability for the mf method. these include geological conditions, underground water table levels and overlying soil thickness, and all other relevant factors

    (六)多圓形潛盾隧道之施工條件探討,對多圓形潛盾隧道工法之適用地質、覆土深度及其他限制條件需一併考量。
  8. 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
  9. The results of correlation comprehensive array analysis indicated that the water seepage from canal systems was the main cause resulting in the uprising of underground water table and the increase of soil salinity in qyrid

    同時通過關聯度綜合排序分析,確定出渠系滲漏是造成灌區地下水位高、土壤鹽漬化的主要原因。
  10. Epa ' s drastic method was apllied to evaluate the groundwater vulnerability of lijiang basin in the historical city of lijiang in yunnan province with the consideration of depth to the water table, net recharge, aquifer material, soil type, topography, impact of vadose zone and hydraulic conductivity of aquifer from the natural environment and humankind activities with the help of gis technology

    摘要應用美國環保署epa的地下水脆弱性drastic評價方法,考慮地下水位埋深、含水層凈補給量、含水層介質、土壤包氣帶、地形地貌、包氣帶介質和水力傳導系數等7個評價因子,結合gis技術,對雲南麗江古城所在的麗江盆地地下水脆弱性從自然和人類影響兩方面進行評價。
  11. Phreatic evaporation characteristics and calculation methods with the shallow water table in the saline soil region

    高地下水位條件下鹽漬土區潛水蒸發特性及計算方法
  12. In order to prevent the deterioration of ecological environment, countermeasures from the aspect of water resources exploitation and utilization were proposed as following : to reduce groundwater table for preventing and eliminating soil salinization ; to establish a powerful drainage basin management organization ; to establish water - saving society ; to carry on the additional investigation and water on environmental hydrogeology related to endemic disease

    並從水資源開發利用角度提出了防治生態環境劣變的基本對策:降低地下水位,預防和消除土壤次生鹽漬化;建立有實權的流域水資源管理機構;開源節流,以節流為重,建立節水型社會;開展全疆補充性的地方病環境水文地質調查研究工作。
  13. The job of agricultural drainage is to accelerate removing of the excessive water and salt in soil, control the underground water table at favourable depth, so that it can assure crops growing well and avoid salinization

    農田排降任務是加速排除土壤中過量的水分及鹽分,控制地下水位在適宜的深度,保證作物的正常生長及防止土壤返鹽。
  14. The spiral sheet metal carry the lotus test to be apply in the bearing power test of the deep foundation soil and water table following foundation soil extensively because the ability goes into the surface of earth is following the certain depth area curve carry on test, according to the element that the spiral sheet metal carries the lotus test, through contrast with plate load test, the spiral sheet metal carries the lotus test to be applicable to the shallow storey foundation soil equally, the size of the spiral sheet metal time area concentration diagram is not big to the test result influence, the spiral sheet metal carries the bearing power of the lotus test assurance to no longer carry on the depth area curve redress

    摘要螺旋板載荷試驗因能旋入地面以下一定深度進行試驗而廣泛應用於深層地基土及地下水位以下地基土的承載力測試,根據螺旋板載荷試驗的原理,經與平板載荷試驗對比,螺旋板載荷試驗同樣適用於淺層地基土,螺旋板面積的大小對試驗成果影響不大,螺旋板載荷試驗確定的承載力不再進行深度修正。
  15. Water and salt transport in sand - layered soil under evaporation with the shallow under ground water table

    蒸發條件下淺層地下水埋深夾砂層土壤水鹽運移特性研究
  16. Ground water table influences the infiltration capacities of frozen soils by its influence on ground soil moisture

    地下水位對凍融土壤入滲能力的影響通過對土壤含水量的影響實現。
  17. Therefore, the spatial and temporal dynamic of the soil water and salinity, the ground water table and salt concentration are main factors affecting the oasis stability

    因此,乾旱區流域內土壤水鹽和地下水水位、鹽分含量的動態變化成為影響綠洲穩定性的重要因素。
  18. 2. the change of water content and salt concentration in soil is a dynamic process of balanced accumulation and consumption. it is influenced markedly by the ground water table

    而180 《 40cm以下土層主要受地下水的水位、水質影響,因為地下水的總鹽含量變化也較小。
  19. In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion

    針對潤揚長江公路大橋南錨場地地質、水文地質條件提出了雙層結構地下水運動的數學模型和計算方法,該方法可以實時計算出各分層的地下水位,實現了各分層沉降計算與控制研究;建立了土層非線性物理力學參數與水文地質參數之間的內在聯系,客觀地描述土層降水? ?固結過程中孔隙度、滲透系數和貯水率等參數非線性變化過程。
  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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