扩散

According to requirements of design and development, not only should RJM system lead to large jet distance to actuate transverse flow of fluid in tanks, but also provide better diffusion effect.

在RJM系统的设计开发过程中，工业上对该系统的要求是不仅要射程远，能够使储罐流体横向有运动，而且要求四周的扩散效果要更好。

Following by the idea of discontinuous right-hand sides in SIDEs, the whole framework is studied based on the spring-mass model, and some good properties are given. Furthermore, two schemes are presented: explicit scheme and additive operator splitting scheme.

借助SIDEs不连续右端的基本思想，将整个框架在弹簧体模型下进行考虑，给出了一些好的性质，并时该扩散方法提出了两种数值求解方案：显式方案和可加算子分裂的迭代格式。

On the basis of distributive shapes of point collection on the Poincare section, define three indexes to quantitatively describe the distribution of point collection. Which are distance between two adjacent points, diffused angle and distance between every point and center point of point collection.

以庞卡莱截面上RR间期序列的点集分布形式为基础，提出点集中相邻点间距离、扩散角度和点到点集中心距离三项指标，用以定量地衡量点集的分布形式。

The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite elementspatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously.

此方法即为对方程的对流项沿流体流动的方向即特征方向进行离散，从而保证格式在流动锋线前沿逼近的高稳定性，消除了数值弥散现象，并得到了较小的时间截断误差；另一方面，对方程的扩散项采用混合元离散，可同时高精度逼近未知函数及其伴随向量函数，理论分析表明，此方法是稳定的，具有最优的L~2逼近精度。

The characteristic approximation is used to handle the convection part along the direc-tion of fluid namely characteristic direction to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion; The mixed finite element spatial approximation is employed to deal with diffusion part and approximate the scalar unknown and the adjoint vector function optimally and simultaneously; In order to preserve the integral conservation of the method, we introduce the modified characteristic method.

该方法对方程的对流部分沿流体流动的方向即特征方向离散以保证格式在流动的锋线前沿逼近的高稳定性，消除数值弥散现象；对方程的扩散部分采用最低次混合有限元方法离散、同时以高精度逼近未知函数及未知函数的梯度；为保证方法的整体守恒性，在格式中引入修正项。

Based on the analysis of individual potential adopter's decision process, an aggregate-level innovation diffusion model is given.

在对单个潜在用户的采纳决策过程进行分析的基础上，论文给出了宏观层次的创新扩散速度模型。

These jelly-like sheets of disease-carrying mucus are spreading across portions of the Mediterranean and Adriatic Sea, where this video was taken.

这些水母样携带疾病的黏液层正在地中海和亚得里亚海中扩散，就是在这个视频拍摄的地方。

The black tide continues down the Po River and is expected to reach the Adriatic by the weekend.

黑色的油污带在波河不断扩散，预计周末就会抵达亚得里亚海。

It could be concluded that structure deformation strongly affected the adsorption and diffusion characteristic of adsorbate in flexible metal-organic frameworks.

得出， 结构变形对吸附分子在柔性金属-有机骨架中的吸附和扩散性质有重要影响。

One proliferation area is pass to lap over or extend a P type to take the form/wreath form area and N source pole substantially at least/leak pole area of ditch way side, with the N type of and P type adulterant.

一扩散阻滞区是通过至少实质上重叠或延伸出P型带形/环形区和N+源极/漏极区的沟道侧，以阻滞N型和P型掺杂物。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。