field infiltration 中文意思是什麼

field infiltration 解釋
田間下滲
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • infiltration : n. 1. 滲入；【醫學】浸潤。2. 【軍事】滲透，通過；滲透活動。3. 【化學】滲濾。
  1. Field soils often have bulk densities ranging from 1. 0 to 1. 4gcc; with commensurate porosities and infiltration characteristics.

    田間土壤的容重常在1.0到1.4克立方厘米范圍內，且具有均勻的孔隙度和滲透性。
  2. Infiltration and solidification remelting of molten aluminum in a centrifugal force field

    高溫鋁熔液在旋轉多孔介質內的滲透與瞬態固化和再熔過程
  3. The researches indicated : ( 1 ) the seepage flow field of infiltration diversion is characterized by three - dimensional, saturated and steady flow. there is the close hydraulic relationship between the river and the groundwater in the filtering bed, and the groundwater is confined

    研究表明： （ 1 ）滲濾取水的滲流場具有典型的飽和三維穩定流特徵；滲濾取水濾床中地下水與河流的水力聯系比較緊密，濾床中的地下水處于承壓狀態。
  4. Field soils often have bulk densities ranging from 1. 0 to 1. 4gcc ; with commensurate porosities and infiltration characteristics

    田間土壤的容重常在1 . 0到1 . 4克立方厘米范圍內，且具有均勻的孔隙度和滲透性。
  5. The changing procedure of soil water infiltration capacities is in keeping with second - degree polynomial change functions in cornfield, sesame field and fallow field and with quartic - degree polynomial change functions in wheat field in unfrozen phase, the changing process of soil water infiltration capacities suit second - degree polynomial change functions in various husbandry condition in frozen phase

    在非凍結期，玉米地、芝麻地和休閑地的土壤水分入滲能力的變化過程符合二次多項式變化規律，小麥地的土壤水分入滲能力符合四次多項式變化規律；在凍結期，無論是哪種耕作條件土壤水分入滲能力符合二次多項式變化規律。
  6. Abstract : based on the principle of balance of surface irrigation water volume, a method for determination of field average infiltration parameter according to the irrigation data is introduced

    文摘:本文根據水量平衡原理，提出了利用大田畦灌灌水資料推求土壤入滲參數的方法，在此基礎上，又提出了利用波涌灌水流推進和消退資料確定間歇入滲減滲率系數的方法。
  7. Standard test method for infiltration rate of soils in field using double - ring infiltrometer

    用雙環滲透儀現場測定土壤滲濾速度的標準試驗方法
  8. Standard test method for field measurement of infiltration rate using a double - ring infiltrometer with a sealed - inner ring

    使用有密封內環的雙環滲透計現場測量滲透率的標準試驗方法
  9. Methods of soil investigations for agricultural water engineering - field tests - part 7 : determination of infiltration rate by double ring infiltrometer

    農業水利工程中土壤調查方法.野外試驗.第7部分:用雙
  10. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據，探討一個下部有軟弱基座，上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題，揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導，進而引起上部硬脆性坡體的拉裂與傾倒，最終通過滲入水的作用，使下部承載狀況已進一步惡化了的軟弱巖體，沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  11. The objectives of this study are : ( 1 ) collect the basis data about soil physical properties, soil moisture, infiltration and evapotranspiration in the catchment scale for developing a catchment hydrological model, based on the dtm, ( 2 ) provide the hydrological information in the catchment scale for developing agricultural production, vegetation rehabilitation, and reasonable land using in this region. the main conclusions drawn from this study are : ( 1 ) the soil physical properties, including bulk density, saturated soil moisture, field capacity, and wilting moisture, were measured at 56 plots across the catchment

    為此，本文以黃土高原溝壑區典型小流域?王東溝為研究對象，通過大量的野外測定和室內分析，系統研究了流域土壤容重、土壤飽和含水量、田間持水量、萎蔫濕度、土壤入滲性能、土壤含水量和蒸散量的空間變異性，以期為該區農業生產、植被恢復和土地合理利用等提供科學的依據，同時為建立基於數字高程模型（ dtm ）為基礎的流域水文模型積累基礎資料。
  12. In this paper, the definitions of soil macropore and macropore flow, their types, characteristics, generation mechanisms, and experimental methods in laboratory and field were introduced, and the research progress in their determination techniques, including dye tracing, slice up penetration curve, tension infiltration apparatus, x - ray ct scanning, and radar exploration were summarized

    摘要介紹了大孔隙及大孔隙流的定義、多種表現形式及其重要特徵、產生機理和室內外實驗研究概況，以及染色示蹤、切片、穿透曲線、張力入滲儀、 x射線ct掃描攝像和雷達探測等方法的研究進展，揭示這些實驗方法的優點與存在的問題。
  13. ( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward

    （ 2 ）採用有限元離散?優化法進行參數的反演分析； （ 3 ）針對深埋隧洞的高外水壓力問題，進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法； （ 4 ）以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象，採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬，並對其外水壓力進行了分析和研究，提出了滲流控制的具體措施。
  14. Infiltration of atmosphetic water and river leakage are the major supply source of krast water in jinan spring field, while artificial water - taking and spring discharge are its major discharge forms. the karst water flows from south to north in the whole and the average recharge capacity is 55 x 104m3 / d

    巖溶水補給來源主要為大氣降水滲入和河流滲漏，排泄方式主要為人工開采和泉水排泄，總體向北徑流，泉域多年平均補給量為55萬m ~ 3 d 。
  15. To solve the problem that the water quantity can not be calculated correctly, the following researches were made : ( 1 ) discussing the properties of the on - site experimental seepage flow field of one infiltration diversion project guided by the basic theory of groundwater flow in porous media

    本論文針對滲濾取水工程中水量計算不準確這一問題，進行了如下的探討和研究： （ 1 ）結合某滲濾取水工程現場模擬試驗，並以多孔介質地下水滲流的基本原理為指導，對試驗的滲流場特徵進行分析。
  16. The field of water distribution is obtained by finite difference method, then it is transformed into weight field and strength field or the field of suction distribution. the safety factor of slope during the infiltration time is calculated by slice method according to the actual weigh field and strength field

    在有限差分法求得土坡水分分佈的基礎上，提出了用條分法計算土坡在降雨入滲各個時刻安全系數的思路：把水分分佈場轉化為邊坡的基質吸力分佈場（強度場）和重量場，用邊坡的實際重量場和強度場來進行安全系數的計算。
  17. In this paper, based on the tracing field infiltration tests into frozen and unfrozen soils with three species of soil texture and eight species of soil structure in seasonal frozen soil regions during three overwinters, the basic infiltration characteristics, reduction infiltration mechanism and major factors influencing soil infiltration characteristics are studied all - sidedly and systematically. to master frozen soil infiltration characteristics and supply scientific directions for winter irrigation

    本文基於季節性凍土區田間三種質地、八種結構歷時三個越冬期的凍土、非凍土入滲跟蹤試驗，全面、系統地研究了凍融土壤的入滲特性、阻滲機理和影響凍融土壤入滲特性的主要因素，掌握凍融條件下土壤水分入滲特性，為冬灌及農業節水灌溉提供科學依據。
  18. Rainfall infiltration induces rock slope to slip by mostly changing seepage flow field in unsaturated zone of slope, and infiltration under different rainfall degrees is special instance of rainfall infiltration

    摘要降雨入滲主要是通過改變巖體邊坡非飽和區滲流場引發邊坡發生滑坡的，而不同降雨強度下的入滲又是降雨入滲的特例。
  19. Problem on water infiltration in unsaturated soil are in the research field of water science research on problem is very important in many field

    非飽和土中水流入滲問題屬於水科學研究領域。該問題的研究在農田水利、水土工程、水文地質、生態環境等領域都佔有重要地位。
  20. Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded

    本文針對受降雨影響顯著的非飽和殘積土土坡，運用飽和?非飽和土壤水分運動的理論和二維非穩態滲流有限元模型，模擬雨水入滲引起的暫態滲流場，將計算所得到的暫態孔隙水壓力分佈用於考慮了基質吸力影響的土坡穩定安全系數的計算當中，建立了考慮非飽和土土坡從雨水入滲到出現滑坡危險全過程的計算模型。
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