dispersion coefficient
扩散系数：一种用于描述物质在介质中扩散速度的参数
常用释义
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基本释义
- 扩散系数：一种用于描述物质在介质中扩散速度的参数，通常用于环境科学、化学和物理学等领域。
例句
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1·As a result, a generalized correlations of the gas dispersion coefficient is obtained.实验结果表明湍动床存在着明显的轴向返混，轴向扩散系数与气速有关。
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2·In mine mass transfer the longitudinal dispersion coefficient is by far greater than the turbulent diffusion coefficient.在井巷紊流传递过程中，纵向弥散系数远远大于紊流扩散系数。
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3·So for this system, in order to realize long distance transmission, the optical fiber dispersion coefficient must be small.显然，对这种系统，要实现长距离传输，必须采用较低色散系数光纤。
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4·The rotational dispersion coefficient of the fiber in the turbulent shear flow of fiber suspension was studied theoretically.对纤维悬浮剪切湍流中纤维旋转扩散系数进行了理论研究。
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5·The key to establish model and predict lies in the determination of model parameters, which include generally dispersion coefficient and retardation factor.构造模型进行预测的关键在于确定模型参数，在土壤溶质运移模型中一般包括弥散系数和延迟因子两个参数。
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6·In this paper the authors put forward the twin-station fitting method-a new method for calculating the river longitudinal dispersion coefficient by tracing tests.本文提出一种由示踪试验计算河流纵向离散系数的新方法——双站拟合法。
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7·The variability of the pressure head, velocity and hydrodynamic dispersion coefficient obtained from conditional simulation are smaller than those obtained from unconditional simulation.条件模拟方法计算出的水头、流速和水动力弥散系数的标准差要小于非条件模拟的结果；
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8·Then this paper studied the effect of diffusion coefficient on concentration distribution and the conditions of substitution with numerical dispersion for physical diffusion.通过将该半解析解与忽略扩散的数值解进行对比分析，讨论了数值弥散代替物理扩散的条件。
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9·Theory and experiment show that bandwidth of FOPA depends on pumping wavelength and pumping power, optical fiber nonlinear coefficient as well as dispersion characteristics.理论和实验研究表明，参量放大的带宽取决于泵浦波长和泵浦功率、光纤非线性系数、光纤的色散特性。
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10·The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。