diffusion coefficient的例句大全

Many temperature sensitive MR parameters, such as spin-lattice relaxation time T1, water diffusion coefficient D and water proton resonance frequency ( PRF), can be exploited for MR temperature mapping.

磁共振温度成像可基于多种温度敏感的磁共振参数，如自旋-晶格驰豫时间T1、扩散系数D和水质子自旋频率（PRF）。

The article analyzes the diffusion mechanism of O2 and CO transferring in the porous media such as obturating wall and coal and deduces the calculating expressions of the effective diffusion coefficient.

分析O2、CO通过封闭墙和煤层等多孔介质的扩散机理，并推导了有效扩散系数的计算公式。

Theoretical Calculation of Diffusion Coefficient and Viscosity of Binary Mixture of Hydrogen Atom With Hydrogen

氢原子在氢气中的扩散系数和粘滞系数的理论计算

But when M < 0.3, the process was a slow reaction, the diffusion coefficient D_e showed no effect on oxygen-absorbing rate, and the oxygen concentration in the film was uniform and equal to that at gas-solid interface.

当M

The effects of the concentration ratio of two-phase coreactants, the thin layer thickness and the diffusion coefficient of reactants on the multi-step electron transfer and single-step electron transfer were investigated and analyzed respectively.

分别探讨分析了两相反应物浓度比、薄层厚度以及扩散系数对界面多步电子转移速率和单步电子转移速率的影响。

Through the theoretical analysis of the diffusion coefficient of oxygen in crashed coal, its calculation formula was obtained.

根据松散介质中气体扩散的理论分析，得出了松散煤体中氧气等效扩散系数的理论计算公式。

Based on this model, solvent diffusion coefficient D, thin film coating solvent concentration distribution and adhesive thin layer drying curves in different condition is predicted.

最后，研究利用此模型对胶层内溶剂扩散系数D、薄膜涂层溶剂浓度分布及不同干燥温度和不同薄膜厚度下胶粘剂薄层干燥曲线做出预测。

Studies suggested that it has greater thermal diffusion coefficient because alumina high-temperature melt, temperature wave was relatively apt to pass to solid-liquid interface, so that caused the temperature of the interface to gurgitations;

研究表明由于氧化铝高温熔体具有较大的热扩散系数，温度波较容易传到固液界面引起界面温度起伏；

The basic property parameters of new thermal insulation mortar were tested. The moisture storage function, water vapor diffusion coefficient and liquid water diffusion coefficient were obtained by numerical calculation.

以新型保温砂浆为例对基本物性参数进行了测试研究，通过数值计算得到了材料的平衡湿度曲线、水蒸气扩散系数和液态水扩散系数，并将结果用Delphin软件进行了验证。

Activity, thermodynamic factor in chemical diffusion and interdiffusion coefficient in the L1_2-Ni_3Ga and DO_3-Fe_3Al non-stoichiometric intermetallic compounds

L12Ni3Ga和DO3Fe3Al非化学计量金属间化合物的活度、热力学因子和互扩散系数

The thermal diffusion coefficient of the crystals were measured by the crystal pulse method.

用激光脉冲法测量了晶体的热扩散系数，比较了晶体a轴和c轴的热扩散系数随温度的变化关系。

Vertical microcrack originated in the process of heat treatment resulted in a higher thermal diffusion coefficient.

热处理使EB-PVD热障涂层中产生了垂直于基体表面的微裂纹，导致涂层热扩散系数高于沉积态。

The mixing intensity and the interfacial vertical thermal diffusion coefficient near the outlet are analyzed based on the experimental data.

试验测得的断面流速、温度、紊动动能、雷诺应力等物理量，分析了分层流掺混强度和出水口附近交界面垂向热扩散系数的变化规律。

Thermal diffusion coefficient was measured by flash method, and the thermal conductivity of CBN-28 was also calculated. 3.

采用闪光脉冲法对晶体的热扩散系数进行测量，并由此计算出晶体的热导率。

On the base of the copper vapor laser kinetic model the thermal diffusion coefficient for the metastable copper species and the ambipolar diffusion coefficient for electrons are analyzed.

结合铜蒸气激光器动力学模型对铜蒸气激光器动力学过程中的铜亚稳态粒子热扩散去激发及带电粒子双极扩散进行了分析。

Taking C/ C composites of different structure and density as preform, C/ SiC composites were prepared by reactive melt infiltration. The relationship among density, component content, thermal diffusion coefficient and friction properties of C/ SiC composites was studied.

以不同结构类型及密度的C/C复合材料为预制体，采用反应熔体渗透法制备了C/SiC复合材料，研究了不同结构C/SiC复合材料的密度、组分含量、热扩散系数与摩擦性能相互之间的关系。

The material parameters ( such as permeability, effective thermal conductivity and effective diffusion coefficient) have close connection with microstructure characteristic, and they are the foundation of simulation.

扩散层的物性参数（如渗透率、有效热导率和有效扩散系数等）与其微结构特征有密切联系，是进行模拟计算的重要基础。

This model mainly depends on the parameters below: surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of terrain, cloudage.

模式主要依赖于以下参数和物理量：地面反照率、下垫面粗糙度、土壤的可含水量、下垫面的热容量和热扩散系数、云量等参数。

The construction and principle of transient automatic measurement apparatus for measuring materials' thermal physics properties are introduced. The apparatus is applied to measure the thermal diffusion coefficient and thermal conductivity of materials by pulse method.

简述了热物理性质瞬态自动测量仪的结构和原理，应用该仪器采用脉冲法测量了材料的热扩散系数和热导率。

Objective To study the relationship of TCD with apparent diffusion coefficient ( ADC) in hyperacute cerebral infarction, and to determine their roles on the outcome of intravenous thrombolytic therapy with high dose urokinase ( UK).

目的探讨脑梗死超早期经颅多普勒超声（TCD）与磁共振表观弥散系数（ADC）的关系，及二者对大剂量尿激酶静脉溶栓近期预后的意义。