Fick law
英
美 [fɪk lɔː]
网络 费克定律; 菲克定律; 扩散定律
双语例句
- The trend of river water quality models ( RWQMs) developed from certainty to uncertainty was defined, and it was pointed out that the most of existing RWQMs are based on the Fick's law of diffusion.
明确了河流水质模型由确定性向不确定性发展的趋势，指出现有河流水质模型大多建立在菲克扩散定律基础上。 - Research on long-term corrosion mechanism of carbon steel and low alloy steel, with the fick diffusion law, the mathematical model of atmospheric corrosion of carbon steel and low alloy steel is presented.
通过对碳钢、低合金钢长期大气腐蚀锈层生长历程的研究，利用Fick扩散定律，给出了碳钢、低合金钢大气腐蚀的数学模型。 - According to Fick's Law, the impedance spectra can be measured with electrochemical method, from which the diffusion coefficient of chloride ion can be calculated.
按照Fick定律，利用电化学方法可测得交流阻抗谱，据此计算出氯离子扩散系数。 - Formulate the diffuseness of photosensitizer and oxygen in tissues by the Fick's law.
用Fick定律描述光敏剂和氧在组织中的扩散和分布； - Mass transfer in the thin layer is governed by non Fick law, while that in the other part still complies with the Fick's law approximatively.
而在此薄层外，介质内其他部分的质量传递仍近似符合费克定律； - In this paper the authors studied the method of calculating parameters of equivalent time △ t of residual nitrogen required for establishing decompression schedules in repetitive compressed air work in tunnel and the derivation of mathematic equations based on Haldane's theory and Fick's law.
本文根据Haldane理论和Fick定律，对确定隧道反复高气压作业减压方案，所需的残余氮当量时间△t参数计算方法及其数学关系式推导等进行了研究。 - Equations describing vapour diffusion in the model are set up, based on Fick's law and the law of con-servation of mass, and are solved by using computer.
根据Fick定律和质量守恒定律建立了支配该模型的水汽扩散方程。 - The photosensitizer diffuses in tissue due to Fick's law, and is affected by photobleaching simultaneously.
血管外组织中的光敏剂浓度变化服从Fick第二定律，并受光漂白作用的影响。 - Based on Fick's law and aerodynamic theory, the models of deposition rate and penetration factor were built, respectively. The models were validated with experimental data from literature.
根据菲克定律和气溶胶力学理论，分别建立了颗粒物在室内光滑表面的沉积率模型和穿透因子的理论模型，并利用文献中的实验数据对模型进行了验证； - A theoretical computation equation of Fick's law in matrix form is given for predicting the cross-term coefficients in binary diffusion, and the results are extended to 3-component and multicomponent diffusion systems. Finally, a generalized equation of Fick's law is obtained.
对多孔固体表面扩散二元系统给出Fick定律交叉项扩散系数矩阵形式的计算式，并将其推广到三元及多元扩散系统，得到Fick定律交叉项扩散系数普遍化的计算式。 - Concentration distribution expression of hydrogen diffusion process in multilayer polymer shells, that is the relationship among hydrogen concentration diffusion, time and diffusion distance was derived based on the second Fick's law.
从Fick第二定律出发，推导了氢气在多层球壳中，扩散过程的浓度分布表达式，即氢气浓度与扩散时间和扩散距离的关系。 - On the basis of Fick diffusion law, a method of determining diffusion velocity of HCl and FeCl 2 in the anion exchange membrane was offered in this study.
本文依据Fick扩散定律提出了测定HCl和FeCl2在阴离子交换膜中扩散速度的方法。 - Based on the Fick law and thermodynamics of irreversible process, and combining the analysis on predictive model of diffusion coefficient in literature, a new semi-empirical model was proposed to predict the liquid diffusion coefficients of amino acids in aqueous solutions.
以Fick定律和不可逆过程热力学为基础，结合文献中对扩散系数预测模型的分析，提出了一个氨基酸在水溶液中扩散系数预测的半经验模型。 - A way of solving hydrogen diffusion equation in the double layer system of hot dip aluminum steel is put forward on the basis of the second Fick diffusion law. Hydrogen diffusion behavior in the system is studied with electrochemical method according to the results mentioned above.
根据费克第二定律提出了热浸镀铝钢双层体系氢扩散系数解法.根据上述结果，用电化学方法测定了氢的扩散行为； - To calculate the diffusion parameters in theory, the Fick second law is used. The calculational results provide valid evidence for determining the nitriding time.
运用Fick第二定律，从理论上计算了扩散参数，为确定氮化时间提供了依据，并对造成实际结果和理论计算之间差距的原因进行了分析。 - The concentration model of oxygen in tissue: Oxygen diffusion is given by Fick's law, and singlet oxygen (~ 1O_2) generation causes the oxygen consumption.
氧在血管外组织中的变化的模型建立：氧在组织中的扩散服从Fick第二定律，同时PDT生成单线态氧（~1O2）对氧有消耗。 - By Fick's Law, the accelerated ratio was deduced in the salt fog box on metal sample packed in film.
利用费克定律，对用薄膜包装的金属试样在盐雾箱试验中的加速倍率进行了推导。 - For a gradual outgassing course, the gas consistence distribution for a flat board model and the gas amount formula are derived according to the Second Fick Law for gas diffusion.
对于平缓的材料出气过程，从气体扩散的角度，利用费克第二定律求解得到了平板材料模型的气体浓度分布，并由此计算出放气量； - The mechanism of migration and production for coal seam gas has been investigated. A three-dimensional, two-phase mathematical model has been established. The model introduces Langmuir isothermal absorption theory, the first Fick law to consider the absorption and diffusion of coalbed methane.
分析了致密煤层气开采运移机理，引入了Langmuir等温吸附定理与Fick第一定律，分别描述了致密煤层气的解吸和扩散，建立了致密煤层气三维两相运移数学模型。 - The nutrients release was modeled respectively according to the Second Fick Diffusion Law and Ohm law, and the results were almost the same. The nutrients release was mainly controlled by diffusion coefficient, resistance, diffusion area and thickness of gel materials.
利用Fick第一扩散定律和欧姆定律模拟了装置养分的释放，结果表明：养分的释放主要受扩散系数或物阻率、扩散面积、胶粘物质厚度等因素影响。 - According to solution-diffusion model and Fick's law, the permeate flux equation of isopropanol and that of water at 323K were obtained. Theoretical predictions agreed well with the experimental results.
以溶解-扩散模型和费克定律为根据，得到了323K下水和异丙醇的渗透通量关系式，计算值与实验值吻合较好。 - In electrochemical system, the mass transport process in liquid layer adjacent to electrode is studied through theoretical analysis only. The diffusion process can be analyzed theoretically by Fick's law for homogeneous media.
通常的电化学研究中，有关电极附近液层参与反应粒子的传质过程多局限于理论分析，其实验研究，即使应用Fick定律分析液相的扩散传质现象，也多限于简单的均态体系。 - By means of analyzing the solubility and solubility rate of gas in water, and making application of double-film theory and Fick's law, the solubility rate of nitrogen in water is theoretically calculated in gas tightness test.
通过对气体在水中溶解度和溶解速率的分析，应用气体溶解速率的双膜理论和气体扩散的菲克定律，从理论上计算出气密性试验中的氮气在水中的溶解速率。 - The transporting mechanism of CS homogeneous membrane was studied. According to solution-diffusion theory, Fick law and Flory-Huggins theory, the mathematical model considering "coupling effect" of CS homogeneous membrane was established. The calculating results of mathematical model were in agreement with the experimental results.
探讨了CS均质膜的传质机理并根据溶解-扩散理论、费克定律、Flory-Huggins理论对CS均质膜建立了考虑偶合效应的数学模型，数学模型的计算值与实验值吻合较好。 - The experimental results were simulated by Finite Element Method and Fick diffusion law. The moisture diffusion coefficients and activated energies were calculated to quantitatively compare various coatings 'moisture resistance.
应用有限元分析和FICK扩散方程模拟了实验曲线，得到了水汽在各种防护条件下的扩散系数，进而计算出水汽扩散的激活能，定量比较了各种防护方法的效果。 - By the assumption of the exponential distribution for the cell energy barriers and with the Fick diffusion law, the mathematical model of conventional extraction was built.
通过假设细胞势垒呈指数分布，并结合Fick第二定律，建立了常规浸取模型。 - Based on Fick law, diffusion equation and boundary conditions were treated by finite difference method, and two general models about Li-poor VTE procedure and Er ions diffusion procedure were set up.
根据Fick定律，采用有限差分方法对扩散方程和边界条件进行处理，建立了普遍合理的缺锂VTE模型和Er离子扩散模型。 - According to Fick diffusion law, the growth of the relationship of IMC thickness and the square root of cumulative test time is roughly linear, so the diffusion coefficient, and the diffusion constant and activation energy are calculated by the means of fitting.
根据Fick扩散定律和分子动力学方程，IMC的生长厚度与累积测试时间的平方根大致呈线性关系，故拟合计算出了与传统热疲劳结果近似的扩散系数，扩散常数和活化能。 - For the laminar flow, construct a mathematical model of replacement by the composition continuity equation and the Fick diffusion law, and use the two-step method which means characteristic method and the difference method to solve the model.
对于层流状态，由组分连续性方程及费克扩散定律得到置换的数学模型，并利用两步法即特征线法和差分法求解该模型。 - Based on the Fick second law, the author used the software ANSYS to simulate the corroding process of mortar under different boundary conditions.
并结合Fick第二定律，采用Ansys软件模拟了砂浆在不同的腐蚀边界条件下，发生腐蚀破坏的过程。