1)unsaturated hydraulic conductivity非饱和渗透系数
1.) On the same condition of density,water retention curve and unsaturated hydraulic conductivity were determined with multistep outflow method in laborato.在保证容重相同条件下,用多步出流法实验室测定扰动样品水分特征曲线和非饱和渗透系数。
英文短句/例句
1.The Equations of Unsaturated Permeability Considering the Microstructure考虑微观结构的非饱和渗透系数计算公式
2.Effects of Unsaturated Loess Permeability Coefficient by its Strength非饱和黄土渗透系数对其强度的影响
3.Hydraulic soil capillary head potential function in unsaturated soil osmotic value calculation;非饱和土渗透值计算中的水土势函数
4.Experimental Study on Permeability of Unsaturated Soil and Mechanism of Saturation Infiltration;非饱和土壤渗透特性及饱和入渗机理试验研究
5.Nonlinear flow law and consolidation in unsaturated low-permeability clays非饱和低渗透黏土非线性渗流定律与固结
6.Experimentally derived model for suction-induced permeability,swell and microstructure behaviour of unsaturated compacted bentonite高压实膨润土的非饱和渗透膨胀模型
7.An Experimental Study on Permeability of Unsaturated Petroleum Chalk非饱和油田白垩渗透特性的试验研究
8.Oil Displacement Efficiency of Some Combinational Chemical Flooding Solutions on Heterogeneous Sandstone Reservoir Models of Different Permeability and Permeability Variation Coefficient渗透率和渗透率变异系数对复合体系非均质模型驱油效果的影响
9.The Numerical Simulation of Saturated-Unsaturated Seepage Field and Stability Analysis of Dam堤坝饱和—非饱和渗流场数值模拟及稳定性分析
10.Numerical simulation of infiltrating water in variably saturated zone非饱和-饱和土壤中水分入渗的数值仿真模拟
11.Soil-water Characteristics and Unsaturated Permeability Coefficient Related to Weak Expansive Soils of a Certain Highway某公路弱膨胀土土水特征与非饱和渗透特性
12.The effective permeability is stated as some numerical value at some given saturate conditions.有效渗透率用在一定饱和条件下的数值表示。
13.Study on Key Techniques in Numerical Computation of Unsteady Saturated-Unsaturated Seepage Field and Its Application;非稳定饱和—非饱和渗流场数值计算关键技术及其应用研究
14.A Study on Parameters of Unsteady Transfusion Equation about Unsaturated Expansive Soil非饱和膨胀土非稳态渗流方程的参数探讨
15.Experimental Study on Unsaturated Seepage Flow in Fracture and Numerical Analysis of Seepage Flow in Fractured Rock Mass Due to Surface Infiltration;裂隙非饱和渗流试验研究及有地表入渗的裂隙岩体渗流数值分析
16.The water displacement experiment of Carboniferous gas showed that under normal pressure natural gas in subsurface reservoir is difficult to migrate into minor pores and displaced water out the pores in reservoir.石炭系储层气驱水实验表明，岩石渗透率与驱替后残余水饱和度呈负相关指数关系。
17.Study of Coupling Numerical Simulation of Saturated-Unsaturated Soil Under Rainfall Conditions;降雨条件下饱和—非饱和土径流渗流耦合数值模拟研究
18.Study on the Typical Soil Landslide Base on Numerical Simulation of Saturated-unsaturated Seepage in the Area of Western Yunnan滇西红层区典型土质滑坡饱和—非饱和渗流数值模拟
相关短句/例句
Saturated infiltration coefficient饱和渗透系数
3)permeability of unsaturated soil非饱和渗透性
4)Unsaturated Permeability非饱和渗透率
5)saturation[英][,s?t??'re??n][美]['s?t??'re??n]饱和;渗透
6)unsaturated seepage parameter非饱和渗流参数
1.The unsaturated seepage parameter is important in analysing saturated、unsaturated seepage.在饱和 非饱和渗流计算中,非饱和渗流参数的选择至关重要。
延伸阅读
充填材料渗透系数充填材料渗透系数permeability coefficient of filling ehongtlan Coll!00 shent0U xlshu充填材料渗透系数(permeability eoeffieien‘offill)水在充填材料中的渗透速度与水力坡度间的比例常数。188弓年法国人达西(M.H.Darcy)通过实验得出:水通过多孔介质时受固体颗粒阻力较大.水流的渗透速度较小，呈层流状态;流速与水头成正比与流程长度成反比，并建立了达西定律一流速与水力坡度成正比。按达西定律，充填材料IOC时的渗透系数Kl按下式计算: Kl)一于，cm/h式中二为渗透速度，cm/h;;为水力坡度，其计算式为 h ‘一丁式中h为水头，cm，l为充填材料长度，cm。使入为常量时，很容易测定Kl)。 影响水砂充填材料渗透系数的因素有充填材料的粒度组成、充填体的孔隙率、水的温度、充填材料的矿物成分和水中电解质的含量等。水的温度直接影响水的渗透速度充填材料的粒度组成影响到充填体中孔隙直径和孔隙率，因而对渗透系数影响较大充填材料的矿物成分和水中电解质含量决定固体颗粒表而水化膜的厚度，从而决定孔隙的有效直径大小10(旧寸尾砂中粒径小f艺如m成分含量和孔隙率对渗透系数的影响见图一 ‘下只一‘_/0/o 叮10卜//厂 三}目/尹z/”( 硬‘卜一护产产护产产尹尸13441 {三三二二二一/1”。 。匕~喃一才歹岌不方菇岌奋污戈厂劝一扣一 j，/% 尾乡的渗透系数人.「与孔隙度P和 粒径小于以平m颗粒含量C间的关系 中国水工规程规定以IOC为标准温度计算渗透系数K。欧美许多国家以2()〔为标准温度计算渗透系数入美国矿物局规定，对十分层充填采矿法用的水砂充填材料K妻IOcm/h。将这个规定折算到中国的l。〔标准·K考7·了cm一h。使用尾砂充填时.脱泥界线普遍采用2〔)，l.m中国一些矿山使用的尾砂充填材料的渗透系数K}如下:风凰山铜矿为15，牟定铜矿为6，锡矿山锑矿为，.72，凡口铅锌矿为4一吕.7.黄砂坪铅锌矿为1斗，招远金矿灵山分矿为1().6，红透山铜矿为19，东乡铜矿为13.5，铜绿山铜矿为4~6，根据中国和其他国家的经验，水砂充填材料的10(渗透系数应大于5一7cmh，具体数值按对充填工艺的要求确定 (孙凯年)
