permeability coefficient
[物] 渗透系数;渗滤系数;透气系数;磁导系数
2026-04-13 23:51 浏览次数 21
[物] 渗透系数;渗滤系数;透气系数;磁导系数
the 5th layer of silt was the better impermeable layer by the analysis of the index value of permeability coefficient each layer so that the depth of lower-water-well should not cross the layer.
通过对各主要土层渗透系数指标值分析,第⑤层粉土为良好的隔水层,施工降水设计时降水井不宜穿过该层土;
based on the test data published for leaking steam flow rates of brush type seals, determined was the permeability coefficient of the porous medium of the bristle pack.
根据发表的刷式密封泄漏量试验数据,确定了刷丝束多孔介质的渗透率系数。
the permeability coefficient and pore-water pressure relationship, and the soil-water characteristic curve are represented using exponential functions.
指数函数可用来表达水力传导率和孔隙水压力的关系,及土水特征曲线。
the measured flux results show that membrane permeability is associated with both permeability coefficient and temperature polarization coefficient.
分析结果认为,膜的渗透系数和温度极化系数共同影响着膜通量的大小。
the permeability coefficient is dependent on the plastic shearing strain (ratio).
渗透系数依赖于塑性剪切应变(率)。
this model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墻、井边界、土体非线性特性、土的渗透性随应力状态的变化。
by using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
本文建立了土体孔隙分布的分形模型,导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
the main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
the apparent permeability coefficient (papp) of drugs through small intestine, is one of important factors to evaluate drugs「 biological activity.
药物的小肠表面透皮系数是表征药物活性的重要指标。
in the complete deformation process, the permeability coefficient of brown mudstone is influenced by porosity and small cracks, boty effects are not distinguishable.
褐红色泥巖的渗透系数在整个应变过程中同时受孔隙和微裂隙的影响,两者的作用没有明显差别。
the result shows that the permeability coefficient will increase gradually with the pressure increase and drastically after the strain gets to a critical value, when the fissure will occur.
结果表明,随着压力增加,渗透系数逐渐增大,在应变达到某临界值后,渗透系数开始急剧增大,此时裂隙产生。
four kinds of amendments can improve soil physical properties. soil bulk density decreased, soil porosity, permeability coefficient and field capacity increased under treatments.
四种改良剂均能不同程度的改善土壤物理性状,能降低土壤容重,提高土壤总孔隙度,加快渗透速度,增加田间持水量。
meanwhile, the distribution rules of gas pressure around drainage hole along coal seam and the effect condition of differ nt permeability coefficient on gas seepage are described in the paper.
同时,获得了沿层抽放鉆孔周围的瓦斯压力分布规律以及不同透气性系数对瓦斯渗流的影响情况等结果。
the permeability coefficient on the direction vertical to the bedding plane is larger than that on the direction parallel to the bedding plane.
垂直于层理方向上的渗透系数大于平行于层理方向上的渗透系数。
the probability model distributions of permeability coefficient and anti-permeability strength of sand are studied by using the seepage deformation experiments.
通过粗砂渗透变形重复性试验,分析了粗砂渗透系数与抗渗强度概型分布。
in darcy flow , dispersion decreases as the permeability coefficient increases.
在达西流阶段,弥散度随着渗透系数增大而减小。
furthermore, the variation laws of the pore water pressures and the permeability coefficient during the consolidation of the refuses are analysed.
并对垃圾土固结过程中孔隙水及渗透系数的变化进行了分析。
on this basis, the normalized iterative method for inverse calculation of permeability coefficient is established by using approximation function and perturbation method for operator identification.
以此为基础,利用函数逼近及算子识别摄动法建立了渗透系数反演的正则迭代法,并给出了计算实例。
by tests, the construction mix proportion were selected in order to satisfy the demands of the project on plastic concrete, such as strength, permeability coefficient and tangent modulus.
为满足工程要求的强度、弹性模量、渗透系数等指标,对塑性混凝土进行了配合比试验,选出了符合工程要求的施工配合比。
the analysis results also show that foundation pit tends to fail in anisotropic soil when horizontal permeability coefficient is larger than that of vertical.
对比各种分析结果,当水平向渗透系数大于竖向渗透系数时,基坑最容易发生渗透破坏。
oxygen permeability coefficient (p」o2): the product of the permeance and the thickness of film.
译文:氧气透过系数(p’o2):氧气透过量与薄膜厚度的乘积。
the heat transfixion will be increased remarkably if the permeability coefficient ratio is too small.
过小的渗透系数比显着加快系统的热贯通。
under the same cement ratio conditions, age is the key of permeability coefficient of cement-soil.
相同水泥掺入比条件下,龄期是影响水泥土渗透系数的主要因素;