The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media.
试验结果表明：水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃(BTEX)自然衰减的主要过程。
The 'hot' dispersion equation of the coaxial ridge-disk-loaded cylindrical waveguide TWT with an annular electron beam can be firstly obtained according to self-consistent field theory.
引入薄环形电子注，首次建立了脊加载同轴膜片圆波导的注波互作用线性理论，得到小信号条件下的色散方程。
The surface topography and composition of normal coating and spot were investigated by scanning electron microscope and energy dispersion spectrum.
采用扫描电镜结合能谱的测试方法，对热处理前后含铬绝缘涂层中正常涂层和斑点的表面形貌及成分进行了分析。
This paper analysed the pattern and composition of residual metal in diamond fracture surface by ways of Scanning Electron Microscope (SEM) and Energy Dispersion Spectrum (EDS).
采用扫描电镜(sem)和能谱(EDS)分析方法，分析了国内六种代表性的金刚石断面上残留触媒的形态及成分。
The dispersion relation and Landau damping of electron plasma waves in the quantum plasma are derived by kinetic theory.
研究发现量子效应只对纵波模式，即电子等离子体波的色散关系有修正，对横向电磁波的色散关系没有影响。
It is found that the more the phonon dispersion, the larger is the effective mass, and the smaller the screening radius of electron-hole effective interacting potential.
随着色散的加强，激子的有效质心质量、有效约化质量增大，电子-空穴有效作用势的屏蔽半径变短。
The dispersion relation for the low-frequency plasma interchange modes in a hot-electron plasma with line-tying function is solved by using the MHD equ. of multiple species.
用多组份磁流体力学方程导出了有线捆作用的热电子等离子体中，低频等离子体交换模的色散关系；
The dispersion degree of cured OREC-modified UP was analyzed by means of transmission electron microscopy (TEM).
利用透射电镜（TEM）分析了不饱和聚酯的微观结构。
The dispersion degree of cured OREC-modified UP was analyzed by means of transmission electron microscopy (TEM).
利用透射电镜（TEM）分析了不饱和聚酯的微观结构。
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