濕潤鋒 的英文怎麼說

中文拼音 [shīrùnfēng]
濕潤鋒 英文
wetting front
  • 濕 : Ⅰ形容詞（沾了水的或顯出含水分多的） wet; damp; humid Ⅱ名詞（姓氏） a surname
  • 潤 : Ⅰ形容詞（細膩光滑; 滋潤） moist; smooth; sleek Ⅱ動詞1 （加油或水 使不幹枯） moisten; lubricate 2 ...
  • 鋒 : 名詞1 （銳利或尖端的部分） the sharp point or cutting edge of a sword etc 2 （在前列帶頭的） van;...
  • 濕潤 : moist; humectation; humidification
  1. Laboratory experiment study on the effects of water quality and emitter discharge on wetted soil geometry and volume

    水質及流量對鹽堿土滴灌濕潤鋒運移影響的室內試驗研究
  2. According to the basic equation for water flow in subgrade soil, based on the basic soil properties of compacted loess, the redistribution of soil moisture and the soil water - migrate parameters are studied

    摘要基於黃土路基壓實後土體的基本性質，根據路基土中水分運動的基本方程，通過室內一維土柱入滲試驗，得到不同壓實度的黃土濕潤鋒濕度與平均濕度、水分入滲速率的關系曲線。
  3. Based on the approximate estimation of wetted front edge of one dimension soil column, the design parameters of sdi were determined primarily

    粘壤土濕潤鋒運移速度明顯慢于沙土，特別是容重較大時更為明顯。
  4. A cold front moving down from canada and butting up against moisture out of the gulf of mexico has produced freezing rain, snow and from kansas down to texas and eastward into missouri

    加拿大冷鋒南下，與來自墨西哥灣的濕潤空氣相遇形成冰雨，雪，並且在堪薩斯州引起驟發洪水，該災害范圍南至德克薩斯，北至密蘇里。
  5. Under subsurface drip irrigation, soil wetted front movement when higher soil initial moisture content was quicker than that of when it is lower, so did the supplied water pressure and soil bulk density. the wetted front movement of clay loam was clearly slow than that of sandy soil, especially in the larger soil bulk density

    地下滴灌條件下，初始含水量較高的土柱，濕潤鋒運移速度快于含水量較低的；在較高的供水壓力條件下，各個方向的濕潤鋒運移都比低水頭情況下的快；容重越大的土柱濕潤鋒運移速度越緩慢。
  6. However, the movement and transformation of n in soil under fertigation remains unclear. the methods of simulation experiment and culture experiment were used to study the movement and transformation of n in soil under fertigation by drip irrigation. the main experimental results were shown as folio wings : ( 1 ) the water infiltration under drop irrigation is a point infiltration ; and the soil moisture in vertical and horizontal directions was increased with the irrigation time, and the movement rate were decreased with the irrigation time

    本研究採用室內模擬試驗和生物培養試驗相結合的方法，研究了在滴灌施肥條件下，化學氮肥施入土壤后的遷移、轉化規律以及對作物生長的效應，獲得了以下主要結論： （ 1 ）滴灌條件下水分以點源入滲土壤，水平和垂向的濕潤鋒均隨入滲時間的增加而逐漸變大，在入滲開始階段濕潤鋒的推進速率較大，隨入滲時間的延長，濕潤鋒的推進速率逐漸變慢。
  7. The results indicated that the higher the salinity of infiltration water was, the faster cumulative infiltration and wetting front increased, and more salt accumulated at the wetting front

    入滲水的礦化度越高，土壤剖面含鹽量越高，且濕潤鋒附近積聚的鹽分越多。
  8. The wetting front moved nearly parallel to the soil surface, and its length could be described by a power function of time, when the distribution of initial soil water was uniform

    當初始含水量分佈均勻時，降雨入滲過程中濕潤鋒面幾乎平行坡面運移，濕潤鋒深度與時間的關系可用冪函數描述。
  9. And compared to the vertical wetting front, the rate of horizontal wetting front was 1. 22 times higher. different models were used to fit the movement of wetting front, it is found that the polynomial function was a good model

    粘質（土婁）土，由於質地細小，在滴灌速率為2 . 67l h時，濕潤鋒徑向移動速率遠大於垂向移動速率，前者是後者的1 . 22倍。
  10. The results showed that the lower initial soil moisture content was, the less infiltration occurred and wetting front moved slowly, and soil salt were leached more efficiently. at the same time, salt reduced in the top soil and salt accumulated at the wetting front

    通過對土壤初始含水量下土壤水鹽運移規律室內模擬試驗研究，發現隨著土壤初始含水量的增加，相同入滲歷時內的累積入滲量和濕潤鋒都在增加。
  11. The experimental device of soil moisture movement of multi water storage pit is developed, which can measure the infiltration of moisture and the movement of moisture frontal directly. distribution of soil water content in all soil section are measured with y ray apparatus. 3

    利用該裝置進行室內的蓄水多坑灌水試驗，直接對水分的入滲過程和濕潤鋒變化進行觀測，並通過y射線儀裝置測量整個土體剖面上含水率的分佈狀況。
  12. We also use polynomial function to model the soil moisture under drip irrigation ; and the function will be useful for design the drip irrigation system and fertigation system. ( 2 ) the amount water added and the way of supplying water and fertilizer were two key important factors to affect the movement, transformation, and leach of urea - n in soil

    比較了不同模型擬合的滴灌條件下土壤濕潤鋒的動態變化，認為多項式模型的擬合程度較好；同時建立了土壤濕潤體水分含量（ y ）與徑向距離（ l ） 、垂向距離（ h ） 、實驗時間（ t ）之間的經驗關系式。
  13. 2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates

    （ 3 ）採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響（土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等）因素效用大小，建立了各因素與三個指標的關系模型，詳細分析了不同水土保持耕作措施強化土壤入滲的影響，其中等高耕作作用最為顯著，其次是人工掏挖和人工鋤耕。
  14. In the process of trick source infiltration, the increased soil water content is a constant value 0. 34 for clay loam soil. the distribution pattern of water content in horizontal is similarly with vertical level. the more of the distance away axis, the less of the soil water content, and the decrease is most notable near the wetting front

    土壤濕潤體內含水率在水平方向上的分佈，表現為在同一水平剖面上隨著與對稱軸之間距離的增加，含水率不斷減小，減小的幅度在接近濕潤鋒處最為明顯；土壤濕潤體內含水率在垂直方向上的分佈，亦表現為在同一豎直剖面上隨著深度的增加，含水率不斷減小，減小的幅度在接近濕潤鋒處最為明顯。
  15. When the saline water ( < 3g / l ) infiltrated to 45cm, the top soil of 0 - 37cm was desalinized, when the saline water of 3g / l infiltrated, the desalinized depth was 0 - 15cm. moreover, sar of top soil increased with the sar of the infiltration water. 3. through lab experiment, the characteristics of soil water and salt movement under different initial soil moisture content were analyzed

    當濕潤深度為45cm時，小於3g l的微鹹水入滲后， 0 - 37cm土層處于脫鹽狀態，而3g l的微鹹水入滲， 0 - 15cm土層處于脫鹽狀態， 15cm - 35cm土層含鹽量基本等於初始含鹽量，但濕潤鋒處含鹽量很高。
  16. The results were as follows : 1. on the basis of saline water infiltration, the characteristics of movement of soil water and salt under different cumulative infiltration were studied. the results indicated that when the salinity of the infiltration water was 3g / l, the top soil was desalinized and salt accumulated at the wetting front

    通過對不同入滲水量下土壤水鹽運移規律的室內模擬試驗研究，結果表明利用礦化度為3g l水入滲后，土壤從上至下逐漸脫鹽，上層土壤含鹽量略低於土壤初始含鹽量，中間土層基本保持土壤初始含鹽量值，但濕潤鋒附近發生突變，含鹽量達最大值。
  17. In general, the wetted soil volume is a semi - elliptic cone. the relationship between horizontal and vertical wetting front and infiltration time is remarkable power function. the relationship between wetted soil volume and infiltration time is remarkable stright line, and in case of certain volume of applied water, the wetted soil volume is not influenced by discharge rate

    微源入滲的水平和垂向濕潤鋒與入滲時間存在極顯著的冪函數關系；土壤濕潤體體積與入滲時間之間存在顯著的線性關系，直線斜率和供水強度有關；土壤濕潤體體積和灌水量之間存在顯著的線性關系，在灌水量一定的條件下，滴頭流量對濕潤體體積影響很小，在滴頭流量為2 5 . 3l h的范圍內，對于同一灌水量濕潤體體積的差異保持在5以內。
  18. Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation, numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established. adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it. by using the simulated value of modeling, the relation of water injection volume and maximum horizental distance of moisture frontal are concluded. according to the relation, interval of pits are derived. then, after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit, numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established, and its numerical solution is also acquired

    利用adi （交替方向隱式差分法）結合gauess ? seidel迭代法對模型進行數值求解。利用模型的計算結果得出了單坑注水量與濕潤鋒最大水平推進距離之間的關系，並據此確定了坑距。在此基礎上，通過對多坑干擾入滲條件下土壤水分入滲特性進行分析，太原理工大學碩士研究生學位論文建立了蓄水多坑非均質土壤水分運動數學模型，並對其進行數值求解。
分享友人
分享到 Line

分享到臉書