砂质壤土

大肠杆菌在饱和砂质壤土中非平衡运移的CDE数学模型模拟

Non-equilibrium transport of Escherichia coli through saturated sandy loam and its simulation with CDE model

砂质壤土、肥田发病重，砂质粘土、瘦田发病轻；

The occurrence of the disease is more serious in sandy loam and fertile fields than in sandy clay and poor fields .

对于砂质壤土，在实际合水量不变但改变土壤温度的情况下，TDR测定的含水量在实际含水量大于0.30cm3／cm3时有明显的偏差，且温度升高，TDR测定的含水量偏低，反之亦然。

For sandy loam with varied soil temperature , water content measured by TDR deviated from real values when it is higher than 0.30 cm3 / cm3 . The higher temperature , the lower water content measured .

同时开展了非稳定流场下Butachlor在非饱和砂质壤土中的运移动态实验，获得Butachlor吸附和降解后在土柱中不同埋深处的残留动态和出流浓度动态。

At the same time , miscible displacement experiments were processed in unsaturated homogeneous soil under unsteady-state flow at a specific water pressure , and the dynamics of flux concentration for butachlor after 48h pulse input and the residue concentration of different depths in the soil column was obtained .

砂质壤土中农药阿特拉津阻滞因子的研究

A study on retardation factor of atrazine in a sandy loamy soil

喜排水良好。湿润肥沃的砂质壤土。

Be fond of the arenaceous qualitative loam with wet and good , fecund catchment .

农药丁草胺在砂质壤土中吸附、降解和运移规律的模拟磺胺二甲嘧啶及其主要代谢产物在砂质壤土中转归的研究

Study on Simulation of Adsorption , Degradation and Transportation of Pesticide Butachlor in Sandy Loamy Soil

不同质地土壤相比，粘壤土中各指标的含量均显著高于砂质壤土。

Between the two textures , the indices of clay loam soil were higher than in the sandy loam soil .

此外，砂质壤土吸附Cd~（2+）时呈现吸热过程，而粘壤土吸附Cd~（2+）时呈现放热过程。

In addition , the Cadmium adsorption processes of the sandy loamy soil was endothermic , however the clay loamy soil 's was exothermic .

打入桩对液化饱和亚砂土改善的探索&无排地下孔隙水措施的处理实例阿特拉津在饱和砂质壤土中非平衡运移的模拟

Improvement of liquefied , saturated sandy loam by pile-driving simulation of nonequilibrium transport of atrazine in saturated sandy loam unde r steady-state water flow condition

饱和&非饱和土坡稳定性的三维极限平衡分析阿特拉津在饱和砂质壤土中非平衡运移的模拟

Three-dimensional Limit Equilibrium Analyses of the Stability of Saturated-unsaturated Soil Slopes ; SIMULATION OF NONEQUILIBRIUM TRANSPORT OF ATRAZINE IN SATURATED SANDY LOAM UNDE R STEADY-STATE WATER FLOW CONDITION

阿特拉津在饱和砂质壤土中非平衡运移的模拟多锚链系泊浮筒非线性漂移运动的时域模拟

Simulation of nonequilibrium transport of atrazine in saturated sandy loam unde r steady-state water flow condition the nonlinear drift motion simulation of multi-chain mooring buoy in time domain

首先，用批量平衡法开展了镉在砂质壤土、壤质砂土和粉壤土中的吸附特性的试验研究，获得吸附常数；

First , to characterize the adsorption property of cadmium , cadmium adsorption isotherms in soils were determined by the batch experiment , and the adsorption parameters were obtained ;

基于风洞实验数据，对砂质壤土与壤质砂土短期吹蚀的粒度分形结构及其分维变化进行了探讨。

Based on the fractal theory and experimental data in wind tunnel , the fractal character of soil particle size in a short period was preliminarily discussed in this paper .

对于砂壤土和砂质粘壤土Fα值分别为1.12和1.24。利用Fα校正壁效应的影响后，热脉冲技术估计水流通量的误差在5%以内。

An amplification factor ( sandy loam , 1.12 , sandy clay loam , 1.24 ) is introduced to correct the influence of wall flow , which reduces the errors of the heat pulse measurements to within 5 % .