And, I'm going to have to explain to you, where does it come from? OK, but before I do that, well, let me point out actually that the equation is not just the diffusion equation.
给你们解释一下，这个从哪儿来？，在我解释之前，告诉大家，这个方程不只是扩散方程。
So, the diffusion equation is something that governs, well, what's called diffusion.
扩散方程是，适用于扩散过程的。
Well into her eighties, Betty would present her latest research on Japanese diffusion each year at the Pacific Pathways meetings in Sitka, [Alaska].
年近八十的贝蒂每年都在在阿拉斯加洲Sitka举行的PacificPathways会议上展示她关于日本文化传播的最新研究成果。
As well located at the mountain terrain special surface, the gas diffusion process more complicated.
由于井场所位于的山区地形下垫面特殊，气体扩散过程比较复杂。
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。
Diffusion Tensor Image Analysis not only useful to study well structure and functions of human organization, but also useful to discover disease which affect continue of structure of organization.
弥散张量分析不仅对于研究健康组织的结构及其功能，而且对于探讨某些影响组织结构连贯性的疾病也有重要意义。
Reservoir for Well Banshen 4 is affected by diffusion.
板深4井油气藏受到扩散作用的影响。
The results concerning fluctuating loads on orifice plates and diffusion chamber walls are given as well.
对孔板和扩散室管壁脉动荷载的试验研究成果也作了简要介绍。
The results showed that CPZ was well absorbed in the whole intestinal segments, and the mechanism of its intestinal absorption was passive diffusion.
实验结果表明：盐酸氯丙嗪在各肠段的吸收均良好，药物在肠道内的吸收机制为被动扩散。
The comparison of calculations and experiment data indicates the two are well agreed, and the two-fluid model can effectively describe the diffusion of high concentration sediment cloud.
计算结果与试验数据对比表明，计算值与实测值吻合较好，双流体模型能有效地刻画高浓度泥沙云团的扩散问题。
The experimental data fit well with that from three-compartment model analysis, it suggests that the fluorescence probe labelling process is mainly controlled by molecular diffusion.
实验结果和用三房空模型分析所得的理论值符合较好，提示荧光探剂的标记过程主要受分子扩散所控制。
The equilibrium absorption studies indicate that the permselectivity of the anion exchange membrane is related not only to the component solubility, but mean diffusion coefficient as well.
三种抗衡离子膜的平衡吸收实验表明，该阴离子膜的选择渗透性不仅与醇水在膜中的溶解度有关，而且取决于平均扩散系数。
The average component of the alloy can be evaluated as well as the inhomogeneity using this measure. It is indicated that the degree of the reaction diffusion among powders.
此方法能够表征合金材料的平均成分状况，对具有不均匀成分的合金进行评估，能够更全面准确的反映粉末反应过程中的原子反应扩散程度。
The metal deposit rule was depended on the patterns of the metals in crude oil and the property of the catalyst as well as the diffusion and decomposition rates of metal compounds in the catalyst.
金属在催化剂上的沉积规律与金属在原油中的存在形态、催化剂性质及金属化合物在催化剂中扩散和分解速率有关。
The results also provide the useful guideline and references to a certain extent for city planning and designing as well as the diffusion and cumulation of air pollutants around buildings.
数值模拟表明了风遇到建筑物时的绕流情况，研究成果可为城市规划和住宅小区建筑物的优化设计以及分析建筑物周围空气污染物的扩散和累积提供参考和应用基础。
They used a technique called diffusion tensor imaging. This way they could observe microscopic fibers to see how well the brain circuitry was organized.
他们利用扩散张量成像技术来观察脑部微纤维以检查大脑回路是否组织良好。
The theories about formation of Widmonstatten, Bainite shear and Martensite transformation are introduced, and the theory about growth of diffusion types of ledge is recommended as well.
介绍了关魏氏组织形成的贝氏体型切变理论、类马氏体相变理论和扩散型台阶长大理论。
Collision cross sections as well as electrical conductivity, thermal conductivity, diffusion coefficients and viscosity coefficients of an inductively coupled argon plasma are calculated.
本文计算了电感耦合氩等离子体中各碰撞截面及电导、热导、扩散和粘滞系数。
The optimal parameters to obtain certain thickness of liquid case are decided, and effects of influence on diffusion of carbon has been studied as well as the diffusion mechanism.
确定了获得一定厚度液体层的最佳工艺参数，研究了液态或固态条件下稀土对扩散效果的影响，初步探讨了碳在固态与液态下的扩散机理。
Compared with conventional method and the diffusion limited volatiles combustion (DLVC) model, the results predicted by MFFVC agree well with those by the developed continuous-film model.
与挥发分现有计算方法、扩散控制的挥发分燃烧(DLVC)模型相比，MFFVC模型预报与考虑热解的扩展连续膜模型符合较好。
All these changes appear in the form of sandhi, and in form of lexical diffusion as well.
其变化既有连续性音变方式，也有词汇扩散方式。
By using the molecular dynamics theory and diffusion limited aggregation model of film growth, the fractal phenomenon of the nodule nucleation was well explained.
用分子动力学和薄膜生长的扩散限制聚集模型，薄膜中结瘤微缺陷成核时的分形现象得到了很好的解释。
Fast diffusion as well as diffusion-limited energy migration is considered.
考虑了快扩散和受扩散限制的能量迁移。
In fact the cause of adhere mechanism is the diffusion between the elements of the cutter and workpiece as well as the re-crystallization.
这种粘结实质是切削过程中刀具与工件元素之间的相互扩散及形成再结晶所致。
Except for considering the processes of transfer and diffusion of air pollution matter, the model covers the photochemical reaction effects as well.
模式除考虑污染物在大气中的输送、弥散过程外，还加入了光化学反应过程。
The result showed that all of diffusion models could fit uptake curves of BSA well.
结果表明，三种模型均能较好地拟合蛋白质的动态吸附曲线。
Taking the effects of space charge and carrier diffusion as well as injected current pulse width into account, an analytic expression of a transit angle of 8 mm Si DDR IMPATT diode is derived.
在考虑载流子的空间电荷效应、扩散效应和注入电流脉宽情况下，推导了双漂移崩越二极管的渡越角表达式。
Based on these theories, we can deduce the error diffusion with output-dependent feedback method that can control the dot-gain distortion well.
由此，可以演化出根据设备特性反馈改变簇点中少数点多少的绿噪声半调算法，使得程序的健壮性提高，对点增益现象可以很好的控制。
The consciousness of such diffusion was awakened after literature was well established. The gradually-developing art of papermaking created the conditions favorable to the diffusion of poetry.
人们的传播意识随着文学地位的确立而觉醒，逐渐发达的造纸术也诗歌传播创造了有利的条件。
The consciousness of such diffusion was awakened after literature was well established. The gradually-developing art of papermaking created the conditions favorable to the diffusion of poetry.
人们的传播意识随着文学地位的确立而觉醒，逐渐发达的造纸术也诗歌传播创造了有利的条件。
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