扩散的

Based on the theoretical framework of the leakage and spread of such poisonous and harmful substances as glycol and acraldehyde, this paper advances the graphic simulation of GIS of poisonous and harmful substances.

以石化企业乙二醇、丙烯腈装置产生的有毒、有害物质泄漏、扩散和污染范围的理论模型为根据，提出有毒、有害物质的地理信系统扩散图形模拟方法。

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。

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。

The thermal diffusion coefficient of the crystal was also measured by the l.

用激光脉冲法测量了晶体的热扩散系数，比较了晶体a轴和c轴的热扩散系数随温度的变化关系。

The conclusion is that there is enough diffusion reaction between base material and interlays, vacuum diffusion bonding weldability of TiAl and 42CrMo is good.

研究发现，母材与中间层发生了扩散反应，采用加入中间层的真空扩散连接TiAl金属间化合物与 4 2CrMo钢具有良好的可焊性。

The expression for the relation between the pseudo pressure and the pressure of real gas is obtained and then applied to analyze the inflow performance relationship of gas wells.

为了更准确地描述压敏油藏真实气体渗流特性，通过引入广义拟压力函数来表征压敏油藏气体的渗流过程，使气体渗流扩散方程与单相微可压缩液体渗流扩散方程有相同的形式。

By using simplified diffusion equation,the element diffusion model was built for 12-slab stack cooling process.

根据氢和碳的元素扩散规律，可知板坯堆冷工艺可以促使氢的扩散，但对中心碳偏析影响不大。

The secondary industry dispersing to suburb and the tertiary industry dispersing to suburb are the outcome of both regulating of shanghai industrial policy and out-migrating of the secondary industry, and a process of the metropolis self-evolution under the background of marketing economy, in which urban functions are diversified and integrated, and it is also in accordance with the general law of urban industry spatial evolution.

上海中心城区的第二产业向郊区扩散，第三产业向中心城区边缘区扩散，受产业布局政策调整和城市不同区域功能分化与职能转移的共同推动。

The results indicate that the mixing of droplets with small sizes is satisfactory.

结果表明：气相较液相的扩散效果好，小直径液滴的扩散效果好。

Based on the experiment of Orimulsion diffusing in the still water, with the help of MATLAB, the edge of Orimulsion diffusing image is detected using nonlinear means, and then the intact area covered by Orimulsion is calculated. Finally, the diffusion tend is forecasted with BP neural network.

并以奥里泊在静止海水中扩散为范例，在MATLAB环境下，利用非线性方法对扩散图像进行边缘监测，通过对梯度算子阀值的调整来计算完整的油膜覆盖面积，并将其计算结果进行BP神经网络预测。

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。