moisture gradient 中文意思是什麼

moisture gradient 解釋
濕度梯度
  • moisture : n. 濕氣,水分,潮濕；濕度；（空氣中的）水蒸氣；淚。
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  1. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  2. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響，通過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項（地形因子）的兩種改進高斯權重法的方案a 、 b ，對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。
  3. When the moisture content is below fibre saturation point, the movement of absorbed water is subdivided into two parts : one is diffusion transfer due to the vapor pressure gradient, the other is moisture movement caused by the pressure fluctuation due to the variation of medium

    在纖維飽和點以下時，木材內部吸著水的遷移可分為：水蒸汽壓力梯度下的擴散遷移和由於乾燥介質壓力的波動而引起的浮動壓力下的遷移兩個部分。
  4. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  5. The first axis of dca indicated the water gradient of soil while the second axis reflected the altitude gradient. the moisture of soil descend from left to right, while the altitude ascend from down to up

    Dca排序第一軸反映了土壤水分梯度，從左到右土壤含水量在不斷下降；第二軸反映了海拔梯度，從下到上海拔高度在不斷升高。
  6. The results show that moisture gradient is not the dominant driving force of moisture movement in the process

    試驗分析表明，真空浮壓乾燥過程中，含水率梯度不是水分移動的主要驅動力。
  7. Based on this, the upper controlling index of soil water content is 80. 4 % and the days of waterlogged and salinization tolerance is 3. 2 days. the moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient, it can analogy the changes of soil water content and salinization which are changed with times and depth

    論文在忽略水平方向水力梯度影響的假定下建立了排水條件下麥田水鹽運移模型，模擬土壤水鹽含量隨時間、空間的變化情況。經與實測資料對比發現，計算值與實測值較為接近，故該模型及參數的確定是合理的，可用於預測麥田水鹽的動態變化。
  8. On the basis of analyzing factor ( soil particle composition, soil bulk density, water stable aggregate content, antecedent soil moisture, slope gradient, rain intensity, accumulation depth and soil crust, soil and water conservation tillage measures ) affecting soil infiltration rates, several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates, while there have the same rainfall condition, the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %

    在相同的降雨條件下，黃土高原溝壑區等高耕作與直線坡相比，可提高入滲67 ，人工掏挖可提高入滲41 ，人工鋤耕可提高入滲29 ；黃土丘陵溝壑區等高耕作可提高入滲45 ，人工掏挖可提高入滲22 ，人工鋤耕可提高入滲14 。並根據黃土高原超滲產流的概念和水量平衡方程，建立了不同水土保持耕作措施強化入滲速率模型。
  9. It decreased with the increase of the gradient. the soil moisture in sunlit slope is greater than that in sunless slope, and changes as the following order in the slope : top < middle < lower

    在坡面，隨著坡度的增加，土壤含水量逐漸降低；陰坡的土壤含水量高於陽坡；而在同一坡度和坡向，土壤含水量從坡底向坡頂遞減。
  10. If the soil water content is gradually added from very little value, the value of water content gradient resulted from temperature gradient first is lower, then bigger and finally lower. based on the test data, a linear regression equation about temperature and water content is got. after deciding the temperature and moisture distribution of the soil samples, the problem of coupled thermal and moisture is discussed, the temperature distributions show that the heat - conducting coefficient is related to the density and water content

    由溫度場的分佈可以得到：在溫度梯度的作用下，導熱系數是變化的，而導熱系數沿長度方向的變化，使得穩態溫度場沿長度方向成非線性分佈；密實度對溫度場分佈的影響是干密度越大導熱系數越大；初始含水量對溫度場分佈的影響是含水量增大，導熱系數也增大，達到最大值后，含水量增加導熱系數反而減少，含水量對溫度場的分佈有顯著的影響。
  11. The flow mechanism of avalanche soils - collapsing of loose avalanche soils depends on soils moisture, longitudinal gradient, and mixing flows of avalanche soils and water flow. in which, the formation of different debris flows was discussed

    ?崩塌土流動化機理探討?鬆散崩塌土能否流動化取決于土體含水狀態、縱坡，以及與水流摻混的程度，其流動化機理為水流摻混。
  12. Then according to temperature gradient and humidity gradient, which are the essential factors inducing concrete cracks, distribution of thermal and moisture within young concrete and numerical methods to calculate temperature stress and shrinkage stress are systematically analyzed

    然後針對引起混凝土開裂的本質因素即混凝土內部的溫濕度梯度，系統地分析了混凝土溫濕度場的變化規律及溫度應力和干縮應力的數值計算方法。
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