With the soil water characteristic curve, the expression of soil water diffusivity is also given in this paper.
并结合特征曲线方程，给出了土壤水分扩散率的表达式。
Soil water characteristic curves in different tobacco fields decline rapidly in low suction condition and become smooth and slow while suction growing.
不同烟区的土壤水分特征曲线在低吸力时都比较陡直，随着吸力的增加特征曲线逐渐趋于平缓。
In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.
本文简述了标定的原理、田间土壤水分特征曲线和非饱和导水率的标定方法，还给出了水分运动参数标定的实例。
The parameters of Gardner and van Genuchten soil water characteristic curve models went up with the increase of clay content. 2 soil clay content has a great effect on specific water capacity.
黏粒质量分数对土壤比水容量有较大影响，试验土壤在任一水吸力水平下的比水容量值均随其黏粒质量分数增大而增大。
Advanced numerical simulations were introduced in soil water research, such as finite analysis method, characteristic finite element method, and alternating direction finite element method.
土壤水研究的数值模拟方法也有一些突破，如有限解析法、特征有限元法、交替方向有限元法等。
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。
In this paper, mathematical models of soil-water characteristic curve are studied and divided into four types by the patterns of mathematical models.
通过对土水特征曲线数学模型进行研究，依据这些模型的数学表达式形式，将其划分为四种类型。
The research results will have an important value for to study further 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 characteristic curves of soil freezing and thawing reflect the strength, thermal properties and water and solute transport regularity.
土壤冻融特征曲线是反映土壤冻融过程中的水、热、盐迁移规律以及冻土强度、冻土的热性质的重要参数。
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 soil-water characteristic curve was reckoned by using MK model based on the basic soil parameters of unsaturated expansive soil.
根据非饱和膨胀土基本土性参数，应用MK模型推算非饱和土土-水特征曲线。
Based on its soil and water loss and treatment characteristic, the monitoring technology of linear zone development and construction project was elaborated from its content, object, item and method.
针对线形开发建设项目的水土流失与治理特点，从监测内容、对象到监测项目和方法，对线形开发建设项目水土保持监测技术进行了详细地阐述。
The shear strength curve and compressed curve and soil-water characteristic curve as well as triaxial stress-strain curve of intact loess were obtained.
得到了原状黄土的抗剪强度曲线、土-水特征曲线、压缩曲线及三轴应力应变曲线。
The test of grazing of different intensity indicated that the grazing intensity had different influence for water content in soil top layer, vegetation characteristic, and sheep increasing weight.
通过不同强度的放牧试验表明，不同的放牧强度对土壤表层含水量、植被特征和绵羊增重都有程度不同的影响。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
A fitted relationship between the parameters and the soil texture was established, with which the model parameters of soil water retention curves can be predicted by the soil physical characteristic.
采用回归分析方法建立了参数与土壤物理特性间的函数关系，为采用土壤颗粒组成等土壤物理特性确定土壤水分特征曲线提供了指导。
The successful experience can be used for reference by congener test. The soil-water characteristic curve can be appied to engineering practice.
试验和曲线拟合的成功经验可为同类试验作借鉴，试验所得土水特征曲线成果可为工程实践提供参考。
The frost heaving damage is main damage form of lining channel in north China, which is an integrative result of temperature, water content, soil characteristic and frost force.
渠道衬砌的冻胀破坏是温度、水分、土质和冻胀力等因素共同作用的结果，是北方地区渠道的主要破坏形式。
In the different temperature and dry-density, the soil-water characteristic curve is established by the centrifuge test.
根据离心机法测定土壤水分特征曲线随温度和干密度的变化情况。
The average soil water content of different artificial forests was about 8%, which showed the arid characteristic of soil.
不同人工林土壤平均含水率为8%左右，表现出土壤干旱的特点。
At the same time, aiming at the influences of soil-water characteristic curve, they make a series of tests discuss the different influences, provide effective references for the practical projects.
同时针对土水特征曲线的影响因素展开一系列试验，探讨不同影响因素对土水特征曲线的影响，为工程实践提供有效参考。
Principle of negative hydraulic head and multi-pore materials were used to put forward a new setup and method for the measurement of soil-water characteristic curve.
负水头控制原理与多孔膜材料相结合提供了一种测定土壤水分特征曲线的新装置和新方法。
Based on the field monitored results of volumetric water content and matric suction, field soil-water characteristic curves for the soils at different depths at the crest are determined.
根据土体体积含水量和吸力值的野外监测结果，得出了边坡坡顶土体不同深度的野外土-水特征曲线。
Under different temperature and densities, the soil-water characteristic curves of unsaturated loess were deterrined by centrifuge tests.
利用高速离心机法测试了在不同温度和密度条件下的非饱和黄土的土水特征曲线。
The original saturation distribution of reservoirs can be obtained through experimental research on soil-water characteristic curve of reservoir sample and in-situ survey data.
借助储层土体的室内土-水特征曲线并结合现场勘探资料，能够获得气藏初始饱和度分布。
This paper discussed the effect of some factors on characteristic value of soil and water loss, which has been completed by simulating rainfall experiment in the south region of the Loess Plateau.
在黄土高原南部地区，通过人工模拟降雨试验，探讨了各因子对水土流失特征值的作用效应。
Furthermore, the engineering implication of the field soil-water characteristic curve is also discussed in this paper.
此外，对野外土-水特征曲线的工程意义进行了探讨。
The relationships between water content and suction in the soil can be expressed as soil-water characteristic curves (SWCC). Based on the test on SWCC of an expansive so…
非饱和土的土-水特征曲线表达了土体中含水量与吸力的关系，是非饱和土研究的重要内容之一。
This not only revealed the inner relationship between the soil-water characteristic curve and shear strength of the unsaturated soil, but also gave the unified theoretical foundation for both of them.
这不仅揭示了两者的内在联系，而且使它们有了统一的理论基础。
As time progresses, the water saturation profile becomes closer to the steady-state profile, which corresponds to the soil-water characteristic curve of the coarse sand.
随着时间的增加，砂柱中的饱和度剖面逐渐接近于稳定时的饱和度剖面，对应于粗砂的土壤水分特征曲线。
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