The simultaneous determination of multi-element in soil by ICP-AES with a CCD and the method for correction of matrix interference effect are studied and compared.
文章研究了用电荷-耦合装置电感耦合等离子体发射光谱同时测定土壤中多种元素,并对校正基体干扰效应的方法进行了研究和比较。
In the finite element simulation of foundation pit excavation, the stiffness matrix of soil, the external loads and the excavation load are changed with the increasing depth.
在对基坑开挖的有限元模拟中,土体刚度矩阵、外荷载和开挖荷载等都随开挖深度的变化而变化。
The soil reaction matrix is added to beam element stiffness matrix, and modified beam element stiffness matrix is formed.
将土反力矩阵与梁单元刚度矩阵迭加,形成修正的梁单元刚度矩阵;
The impedance function of the end bearing pile in stratified soil has been obtained by the method of transfer matrix according to the theory of continuous medium mechanics.
本文根据连续介质力学理论,用传递矩阵法求得分层土端承桩的阻抗函数。
The fundamental solutions for displacements and stress components of the layered soil due to unit internal ring loading are first derived with integral transforms and the transfer matrix method.
采用积分变换和传递矩阵方法,求解了成层土在内部环形荷载作用下的基本解;
A susceptibility matrix was constructed, what gives the average soil loss under different kinds of land use and slope. This was done for 23 crops and 10 different slope angles.
该研究运用23种作物和10个坡度建立侵蚀敏感性矩阵,它描述的是不同土地利用和坡度的平均土壤侵蚀强度。
Numerical results show that the accelerations of soil matrix and porous fluid have little effect on the dynamic response of viscoelastic seabed.
数值计算表明土骨架和孔隙流体的加速度对粘弹性海床动力响应的影响极小。
The relative slope of mononuclear aromatics in soil matrix negatively correlates to the boiling point of the compounds and the partition coefficient between octanol and water.
单环芳烃在土壤基质中相对斜率的大小与化合物本身的沸点以及辛醇-水分配系数呈负相关。
It is important to calculate the impedance matrix of foundations in dynamic foundation design and the substructure analysis of the soil-structure interaction.
动力基础设计以及土-结构动力相互作用子结构分析方法中,确定基础阻抗函数是关键环节。
Sometime the matrix potential of soil water, moisture capacity and the total content of salt capacity in the soil have the same trends of change with depth.
在包气带剖面中,在某时刻水土势、含水量、含盐量随深度变化的趋势相同。
When in cuttage, the part of the branch buried in the ground is cut into the river sand matrix of the upper layer, but is not suitable for rising over the river sand to penetrate into the soil layer.
扦插时,枝条入土部分则应扦插在上层河沙基质中,不宜越过河沙,深入到土层中去。
Considering the difference between the axle load effects on different season, amended the season parameter when converting axle load. At the same time, graded soil-matrix intensity and traffic.
考虑到不同季节轴载作用效果的差异,对轴载换算进行季节修正,并以累计当量轴次和土基回弹模量为指标,进行了交通和土基强度分级;
Considering the difference between the axle load effects on different season, amended the season parameter when converting axle load. At the same time, graded soil-matrix intensity and traffic.
考虑到不同季节轴载作用效果的差异,对轴载换算进行季节修正,并以累计当量轴次和土基回弹模量为指标,进行了交通和土基强度分级;
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