扩散

Because the diffusive term is discretized with divided forward difference or divided backward difference according to the sign of convection velocity, these methods keep first order accuracy for diffusive term.

3.2考虑规则网格上的一维和二维定常型对流占优扩散问题，离散方法采用了有限体积方法及普通的有限差分方法，基本离散思想是将对流项提高到二阶精度，扩散项则根据对流速度的方向决定采用向前或向后差商离散。

A PSI value greater than unity indicates the existence of agglomeration economies, which is likely to attract MNEs (Barrell and Pain 1999a), and thus the coefficient of PSI is expected to be posi...

1防扩散安全倡议值大于团结表明，存在聚集经济，这是有可能吸引多国企业（ barrell和痛苦1999 ），因此系数的防扩散安全倡议，预计正面影响。

It may be attributed to the segregated Ge acting as a diffusion barrier layer at the interface of 〓.

这可归结为〓界面的富Ge层充当了Co向Si〓Ge〓扩散的阻挡层，导致Co的有效扩散系数减小，降低了反应速率。

To calculate the effective diffusivity of benzocaine, it requires knowing the dependence of benzocaine diffusivity on ethanol concentration and the ethanol concentration profile across membrane.

要计算有膨润梯度下benzocaine在膜中的扩散系数，必须先知道乙醇在膜中的浓度分布，及均匀膨润下扩散系数与乙醇浓度间的关系。

In this paper the utility analysis is introduced into the basic model for e-financial innovation diffusion by utilizing biological population model as its benchmark so that the point of saturation can be determined more accurately. in addition, empirical studies have been done using data of taiwan credit card and mainland bank card. the result provides theoretic reference for the strategic decision of financial institutions and for the policy-making of the supervisors.

本文在将生物种群模型引入网络金融创新产品扩散的基本模型的基础上将效用引入扩散过程的分析中，从而更准确地判断饱和点的产生，并针对中国台湾信用卡数据和中国内地银行卡进行了实证研究，模型的研究可以为金融机构的战略决策以及管理部门的产业政策制定提供理论参考。

Cinnamon oil is extracted by steam distillation from cinnamomum cassia bark pretreated by microwave.

本文用水蒸汽蒸馏法蒸馏经微波预处理的肉桂粉得到肉桂油，并采用滤纸片法、固相扩散法、气相扩散法研究了肉桂油对6种细菌、1种酵母、4种霉菌的抑菌活性及其最低抑菌浓度。

As for the diffusive term, it is shifted to undetermined time level to be discretized by divided central difference. The shifting error will be small for weak diffusion problems.

对于弱扩散问题，由于扩散系数比较小，这种转移引起的误差也比较小，从而可以期望得到更精确的数值结果。

CENTRIFUGAL FLOW COMPRESSOR, A type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.

离心式压气机，压气机的一种。当进气到达叶轮中心时，被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢，压力增加。

The invention relates to a report sending method, which comprises: when receiving or sending the LSA refresh report, first judging if it and the nearby device have disperse equivalent chain group; if there is, only using the main disperse chain to send said report.

本发明公开了一种报文发送方法，该方法包括：在收到或发起LSA更新报文时首先判断与邻居设备间是否存在扩散等价链路组，如果存在则仅通过其主扩散链路发送所述报文。

A new employing technology of pesticide was studied and a new proposition offormulation carbendazim surface-agent model was raised by using the 0~# diesel oil asdispersion medium. This method can prevent the chlamydospore from germinatingand its spreading effectively.

以0~#柴油为分散介质，研究出了一种农药施用新技术—水面扩散施药法，并提出了一种水面扩散型农药新剂型模型—多菌灵水面扩散剂的构想。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。