soil-water相关论文
Variations of suction and suction stress of unsaturated loess due to changes in lignin content and s
Unsaturated loess in natural sites loses stability as the overburden load continuously increases.Traditional soil modifi......
为掌握大气长期作用下公路膨胀土路堤湿度平衡规律,为膨胀土路堤处治提供依据,以广西包盖膨胀土路堤为例,考虑膨胀土填料受力状态,......
以三江平原主要土壤为试验材料进行田间、小区、盆栽试验和室内分析并补以农场调查。结果,与小麦、玉米相比,重茬大豆地土壤水分减少......
Determining the soil-water retention curve using mercury intrusion porosimetry test in consideration
It is well-known that a close link exists between soil-water retention curve(SWRC)and pore size distribution(PSD).Theore......
通过对坡耕地竹园、茶园、柑橘、板栗和板栗退耕等5种不同治理模式的土壤水分物理性质的特征进行定位研究,研究表明:(1)枝叶繁茂的......
为了研究华北土石山区阴坡油松林、阴坡裸地和阳坡侧柏栎类混交林土壤水分蒸发特性。降水量与水面蒸发由Campbell气象自动观测系统......
利用负水柱方法测定了风积砂脱湿和吸湿2个过程的水分特征曲线,用Van Genuchten公式求出拟合参数值,得到非饱和渗透系数、比水容量......
Soil-water characteristics of Gaomiaozi(GMZ)Ca-bentonite at high suctions(3–287MPa)are measured by vapour equilibrium t......
土-水特征曲线(SWCC)是非饱和土力学研究的重要组成部分,同时它也是预测分析非饱和土渗透参数和剪切强度参数的重要基础。因而在众多......
土壤水的研究对农田水利、水文地质、生态与环境等都具有很重要的意义,本文概略介绍了在黄河三角洲地区开展包气带水分运移试验研究......
为掌握切沟对土壤水分时空变异的影响,选取水蚀风蚀交错区两个典型切沟样点为研究对象。采用时间序列分析和经典统计学方法,从土壤......
赣南地区花岗岩残积土边坡在降雨等作用下易发生失稳破坏,研究其非饱和特性对该地区的地质灾害防治具有重要意义。采用X粉晶衍射、......
It is already known that repeating cycles of drying and rewetting decrease the metabolic activity of the soil. The aim o......
The mathematical equation for the moisture-suction relationship also known as soil water characteristic curve (SWCC) is ......
为探索有机氯农药在扩散迁移、水-土界面作用等表生地球化学过程中的组成变化规律,对经济作物基地有机氯农药研究发现:土壤和水介质......
本文研究东北羊草草原土壤微生物生物量的季节变化规律。根据实测数据,利用MV/6000电子计算机构造了趋势方程,并作了F检验,F0.25=2.68,F0=193.99,效果良好。以此为基......
通过对真空预压法加固软基所具备的两个条件进行分析,以土水势的原理解释了加固过程中的渗流机制,并阐述了孔隙水压力向有效应力的......
Redox potential has principal influences on formation and attribute of soils and it is necessary to research the measure......
The observations from 14-yr long-term investigation on the soil-water losses in the sloping redearth (slope 8°- 15&......
With the gradual attention of the state to the protection of natural ecological environment,the planning and layout of t......
Tropical clay soil was compacted at different moisture conditions (dry, wet and optimum) and compactive efforts (Reduced......
Fine grain soils have a complex engineering behaviour which depends but not limited to moisture content, changes in exte......
Relationship of soil and water is generally considered as important in soil science. To specify it further we studied tw......
The soil-freezing characteristic curve (SFCC), which represents the relationship between unfrozen water content and subf......