wetting front 中文意思是什麼
wetting front
解釋
浸濕鋒面-
The infiltration rate in wetting front interface is speeder than that under single trickle source. the wetted soil volume shape becomes a strip which parallel lateral. the soil water content distribution under trickle source wetting front overlapping is more than that of single source
在滴頭流量為5 . 3l h條件下，在相同的入滲時間內大容重土壤的水平入滲距離較低容重的土壤大27 ，而其豎直入滲距離則較小容重土壤小14 。 -
In case of big discharge rate, the influence in horizontal is notable. however, in case of small discharge rate, the influence in vertical wetting front is notable, ( 3 ) in case of trickle source wetting front overlapping, the infiltration pattern is different from that of single trickle source infiltration
在滴頭流量為2l h條件下，在相同的入滲時間內，大容重土壤的地表水平入滲距離較小容重土壤大7 ，而其垂向入滲距離則較小容重土壤小20 。 -
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。 -
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。 -
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。 -
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。 -
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。 -
The scatter super absorbent polymer in soil surface do n ' t influenced the infiltration process of trickle source, the wetting front is almost coincide with checking treatment. ( 4 ) because of the influence of soil water redistribution, the volume of wetted soil increase and the average soil water content decrease. in case of applied water 330min with a discharge rate 1 l / h, the horizontal an
O ）土壤濕潤體的體積在水分再分佈的作用下，隨看停水時間的增加而不斷變大，對滴頭流量為幾兒供水330min況停水后的水分再分佈觀測表明，到停水4000min時，垂向濕潤距離增加了25 ，水平濕潤距離增加了16 ，濕潤體的體積增加了68 ，濕潤體的平均體積含水率由停水時刻的0 -
Though the desalinized depth was different under different cumulative infiltration, the ratio of desalinized depth and wetting front distance was about 0. 342 and the ratio of desalinized depth and cumulative infiltration was 0. 862
盡管不同濕潤深度對應脫鹽深度不同，但脫鹽深度與濕潤深度的比值卻近似為0 . 342 。且脫鹽深度與入滲水量的比值也近似為0 . 862 。 -
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。 -
The influence of soil bulk density on wetting front is related to discharge rate
土壤容重對滴灌濕潤體特徵值有較明顯的影響。 -
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。
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