With this model, the pressure drop curve of well testing is interpreted, and mobility ratio, diffusion ratio, sweep radius of each area and some other parameters are solved.
利用该模型可以对火烧油层注气井试井压降曲线进行解释，并求解流度比、扩散比以及各区的波及半径等参数。
A class of singularly perturbed reaction diffusion equation initial boundary value problem with a curve of turning point is discussed.
讨论了一类具有转向点曲线的奇摄动反应扩散方程初始边值问题。
Secondly, the diffusion of bank cards is influenced by the external and internal factors, and the S-shaped logistic curve indicates the characteristics of the bank cards' diffusion.
第二，银行卡在银行业的扩散受到外生因素和内生因素的影响，反映银行卡扩散特点的逻辑曲线呈现S型；
Agar disk diffusion test, time-kill curve studies confirmed the synergism of them.
并进一步以体外琼脂扩散法和时间—杀菌曲线法验证其协同作用。
The drug releasing curve of the multilayer film loading drug indicates that the drug releasing mode is diffusion and releasing period is about 45 days.
该载药生物活性多层膜的药物释放曲线表明，该含药多层膜系统的药物释放方式为扩散方式，释放周期是45天左右。
The mechanism of release results from the matrix rode and drug diffusion of matrix by describing the drug release curve using Ringer-Peppas model.
释药机制探讨表明：经膜控和骨架杂化控制释药的模型用一级动力学方程解释较好。
By analyzing the spread function and development contrast curve, we hypothesized that the resolution limit of electron-beam lithography is primarily limited by developer-diffusion.
通过对电子束扩散函数与显影对比度的分析，本文认为电子束曝光的分辨极限与显影液在纳米尺度下的扩散限制有关。
By analyzing the spread function and development contrast curve, we hypothesized that the resolution limit of electron-beam lithography is primarily limited by developer-diffusion.
通过对电子束扩散函数与显影对比度的分析，本文认为电子束曝光的分辨极限与显影液在纳米尺度下的扩散限制有关。
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