本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型，考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响，数值模拟流化床内气体颗粒两相流动特性。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
在卡塔尔的拉斯拉凡天然气加工厂内，烟雾笼罩下的红色火焰微微发亮。
RED flames shimmer behind a thick shroud of smoke at the Ras Laffan gas plant in Qatar.
钢材和天然气等主要原材料价格下跌将进一步拉低石油开发成本。
Falling prices for important raw materials, such as steel and natural gas, should help to bring down development costs.
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