非均匀双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
It's well known that question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
非均质双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
It's well known that the question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics.
基于非线性包络方程我们研究了平面非线性介质波导中的时空不稳定性，得到了有拉曼散射效应情形下不稳定性调制的增益谱的表达式。
Spatiotemporal instability in the planar nonlinear dielectric waveguide is analyzed by nonlinear equation, and the expression of Modulation instability(MI) gain in Raman Scattering is obtained.
本发明提供了用于稳定个人护理组合物的颜色的方法，所述组合物包含在氧化介质中不稳定的活性物质。
Methods for stabilizing color of a personal care composition containing a skin care active that is unstable in oxidizing medium are provided.
在高铬铸铁磨球生产上，一直存在磨球介质使用寿命短，性能不稳定的问题。
During the manufacturing of the high chrome cast iron ball, the issues like short life time of the ball medium and the unstable performance are always existing.
基于渗透率随压力呈指数变化规律，建立了任意形状应力敏感性双重介质油藏不稳定渗流的数学模型。
Based on the law of permeability changing with pressure, a mathematical model is established for unsteady percolation in dual-porosity reservoirs with arbitrary shape of stress sensitivity.
激波强度的增加促使高波数不稳定模态很快被激发，从而导致了不同介质的混合。
The high unstable wave components can be excited quickly with increasing the shock strength, and this speeds the medium mixing.
激波强度的增加促使高波数不稳定模态很快被激发，从而导致了不同介质的混合。
The high unstable wave components can be excited quickly with increasing the shock strength, and this speeds the medium mixing.
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