When mixed with sulfur, phosphorus, and the kind of heat you get from, say, friction, it's very unstable.
当与硫磺、磷、你从某处获得的某种热量(比如说摩擦力)混合时，它就变得很不稳定。
Developed wellbore transient flow model and friction calculating method for the sand mixed fluids effected by propant.
建立了井筒不稳定流动模型，提出了支撑剂影响下的混砂液摩阻计算方法。
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