And this diffusion coefficient we'll define in a few moments.

这个扩散系数，我们一会就定义出来。

The relation of diffusion coefficient with temperature has also been simulated.

同时还模拟了流体自扩散系数随温度的变化关系。

The estimated diffusion coefficient agrees with experiment within an order of magnitude.

估计的反常扩散系数在量级上与实验一致。

Effects of mass diffusion coefficient and heat loss on walls on flame shape are investigated.

研究了质量扩散和壁面散热对火焰形状形成的影响。

Purpose: To evaluate the diagnostic value of apparent diffusion coefficient (ADC) for hepatic masses.

目的：探讨表面弥散系数(adc)评估肝占位病变的价值。

The diffusion coefficient, diffusion activation energy and equilibrium moisture content were obtained.

测定了扩散系数、扩散活化能和平衡湿含量。

The coefficient is fitted from calculating the sediment diffusion coefficient by suspended load model.

通过悬沙模型反求泥沙扩散系数的方法来拟合系数。

The ambipolar diffusion coefficient of charged copper species in copper vapor laser is theoretically deduced.

推导了铜蒸气激光器带电粒子的双极扩散系数。

Diffusion coefficient of copper in barrier coating is a considerable parameter for evaluating barrier ability.

铜在防渗铜镀层中的扩散系统是评价镀层防渗铜能力的重要参数。

A function of the diffusion coefficient and attenuation coefficient was derived from the measured diffuse reflectance.

又从测得的漫反射率推得漫射系数和衰减系数的函数。

In salt water the composites had less water absorption, absorption rate and diffusion coefficient than that in di water.

与在去离子水中相比，材料在盐水中饱和吸水率、初始时吸水速率和水扩散系数较小。

The calculation of chloride diffusion coefficient in prestressed concrete structures eroded by chloride ion is discussed.

针对氯盐侵蚀的预应力混凝土结构，讨论了氯离子扩散系数的计算。

Combined with the theory of viscosity, the relationship between diffusion coefficient and activation energy is expressed.

结合粘度理论建立了分子扩散系数与活化能之间的关系；

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。

The coefficients in the equilibrium distribution are determined by the convection coefficient and the diffusion coefficient.

由对流扩散方程的对流系数和扩散系数确定了局域平衡分布函数的系数。

Therefore, global variance normalized was proposed to measure spatial detail, and then a new diffusion coefficient was given.

为此，用全局归一化的局部方差度量空间细节，得到新的扩散系数。

Because natural gas and water have different relaxation time and diffusion coefficient, we can use DSM and SSM to identify them.

由于天然气和水的弛豫时间和扩散系数的差异，可以利用差谱分析法和移谱分析法来识别天然气。

Objective to clarify the correlation between apparent diffusion coefficient (ADC) and microscopic histopathologic state of gliomas.

目的探讨胶质瘤表观弥散系数(adc)与病理微观状态的关系。

The average value of hydrogen diffusion coefficient in metal hydride(MH) electrode was measured by constant current discharge method.

利用恒流放电法测定了金属氢化物（MH）电极中氢原子扩散系数的平均值。

Objective To evaluate the diagnostic value of (DWI) apparent diffusion coefficient (ADC) and ADC map in diagnosis of cerebral ischemia.

目的评价磁共振弥散加权成像(DWI)表观弥散系数(adc)和ADC图对脑缺血的诊断价值。

The extent of water mobility within biological tissues can be quantified by a parameter called the apparent diffusion coefficient (ADC).

水在生物组织内的流动程度，可以由一个被称为表观扩散复合系数（ADC）的参数去量化之。

For the study, measurements were translated into scores called apparent diffusion coefficient (ADC) values for each of the participants.

每个参与者研究的测量结果被转化成一种叫做表现弥散系数(adc)的数值。

It's shown from measured data that the distribution in vertical of sediment diffusion coefficient can be obtained correctly by the model.

实测资料表明该模型可以比较准确地直接计算泥沙扩散系数沿垂线的分布。

The classic finite difference approach is widely used, which is limited by ambiguity of diffusion coefficient between the grids or pores.

而传统的差分方法比较实用，却难以给出对分形介质网格之间的扩散系数。

Decreasing hydraulic conductivity and diffusion coefficient may delay the increasing rate of the concentration ratio at the base of a GCL.

结果表明，减小渗透系数和扩散系数可以有效减缓衬垫底部浓度比的增加速度。

The diffusion coefficient of hydrogen in an iron membrane was measured using slightly improved electrochemical hydrogen permeation technique.

一个略加改进的电化学氢渗透技术被用于测定氢在铁膜中的扩散系数。

Diffusion coefficient is one of the important parameters deciding migration prediction in migration model of compounds from food packaging material.

在食品包装材料化合物的迁移模型中，扩散系数是决定模型预测性的重要参数之一。

In the extraction of components with the phenomena of thermal runaway, choosing the critical temperature can lead to a greater diffusion coefficient.

对可能发生热失控现象的物质进行提取时，萃取温度应选择在临界温度附近，此时扩散系数较大。

The paper presents the new compatible formula which indicates the relationship between the diffusion coefficient of cationic dyes and relative affinity of dyes.

文中介绍了用于表示阳离子染料的扩散系数和相对亲和力的关系的新相容条件式。