建立、验证了土壤水分入渗参数的多元逐步回归模型。
Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well.
波涌沟灌条件下土壤水分入渗研究是实现精量灌溉的理论基础。
The study on soil water infiltration under surge irrigation is the thesis base of applying accurate irrigation.
土壤水分入渗特征参数的空间变异规律是区域尺度参数估值的基础。
Based on soil water infiltration experiments in corn field, this paper analysed and discussed yearly change characteristics of soil water infiltration.
在整个入渗过程中，土壤水分入渗性能随着开垦年限的延长呈下降趋势。
The permeability of soil showed downtrend along with the period of tillage prolonged during the whole infiltration process.
采用多元逐步回归模型用常规土壤物理参数对土壤水分入渗模型参数进行预报是可行的。
It is feasible to predict soil infiltration capacities by routine physical parameters with stepwise regression models with multiple units.
另外，植被恢复过的矸石山土壤水分入渗速率随入渗时间的增加而减小，呈幂函数递减规律。
Furthermore, with the infiltration time increasing by power function, the soil's infiltration velocity of re-vegetation in coal waste piles decreased.
论述了国内外在土壤水分入渗方程模拟、土壤水分运动参数和SPAC理论等方面的研究进展。
The research at home and abroad on the simulation of soil water infiltration equation soil water movement parameters and the theory of SPAC were reviewed.
通过对试验数据的回归分析，建立了林灌地和封禁草灌地在短历时暴雨条件下的土壤水分入渗经验模型。
By the regression analysis of date observed from this experiment, a model of infiltration for forest-shrub land and grass-shrub land was constructed.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化，得到了其特征有限元数值模型。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
用注水（双环）法和人工降雨法对陕西省淳化县泥河沟流域和安塞县纸坊沟流域坡耕地土壤水分入渗性能进行了研究。
The infiltration properties of slope farmland are studied by means of the water storage method and the simulated rainfall method respectively.
基于大田土壤水分入渗试验与相关参数的测定，分析了耕作土壤入渗能力衰减过程，探讨了耕作土壤入渗能力衰减机理。
Based on soil water infiltration testing and related parameters measured in field, tillage soil water infiltration capacity attenuation process was analyzed and the mechanism was discussed.
入渗是水文循环过程中一个重要环节，在长江源区，土壤水分入渗对径流的影响很大，也是高原生态系统重要的影响因素。
Infiltration is an important process in hydrologic cycle, in the source region of Yangtze River, infiltration of soil moisture has impact in runoff and plateau ecology.
从土壤水分下渗能力曲线出发，从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。
Based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis.
本文简要介绍林地土壤水分的入渗性、植被对土壤水分的影响，以及林地土壤水分的季节和垂直变化规律。
This treatise briefly introduces the forest soil moisture's infiltrating quality, the vegetation's effect on soil moisture and the forest soil moisture's seasonal and vertical change rules.
利用室内模拟土柱试验研究了红壤积水入渗及土壤水分再分布规律。
Laws of water infiltration and soil water redistribution in red soil were studied through indoor soil column simulated experiments.
丰水年，土壤水分收支正平衡，但入渗雨量的大部分（>80%）为强烈蒸发蒸腾所消耗。
In rainy year, soil water storage increased, but most infiltrated rainfall (more than 80%) was consumed by intensive evapotranspiration.
这一研究成果对进一步研究蓄水坑灌条件下的变水头入渗及土壤水分运动特性具有重要价值。
The research results will have an important value for studying further varying-head infiltration and soil moisture characteristic of water storage pit irrigation.
这一研究成果对蓄水坑灌条件下的变水头入渗及土壤水分运动特性的进一步研究具有重要价值。
The research results have an important value for further study of varying-head infiltration and soil moisture characteristic of water storage pit irrigation.
这一研究成果为进一步研究蓄水坑灌条件下的变水头入渗及土壤水分运动特性奠定基础。
The research results will have an important value for to study further varying-head infiltration and soil moisture characteristic of water storage pit irrigation.
张力渗透仪是一种根据多维入渗原理进行土壤水分和溶质运移参数原位测量的仪器。
Tension infiltration meter is a kind of devices measuring soil moisture and solute movement parameters on the spot according to multi-dimensional infiltration theory.
建立了一维非饱和土壤水分垂向入渗的特征有限元数值模型。
The numerical model of one-dimensional vertical water infiltration through unsaturated soils is constructed by characteristic finite element method.
基于饱和下渗理论和考虑新入渗雨水驱替旧土壤水分的作用，根据力学原理提出了一个简明的入渗模型及计算下渗锋面处毛管吸力的方法。
In this paper, a simple infiltration model is proposed on the basis of a theoretical consideration of infiltration and the displacement of existing soil water by newly-infiltrating rainfall.
在黄土高原地区，由于地下水埋深大，该区植被的发育主要依靠来自大气降水入渗形成的土壤水分，所以土壤水分的多少是决定不同类型植被发育的最关键因素。
As underground water buried deeply in Loess Plateau, the soil water from precipitation influx is the main source to the vegetation. The volume of soil water decides the kind of vegetation in the area.
在黄土高原地区，由于地下水埋深大，该区植被的发育主要依靠来自大气降水入渗形成的土壤水分，所以土壤水分的多少是决定不同类型植被发育的最关键因素。
As underground water buried deeply in Loess Plateau, the soil water from precipitation influx is the main source to the vegetation. The volume of soil water decides the kind of vegetation in the area.
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