The cemented carbide with inhomogeneous grain structure is prepared by different kind of raw material WC.
通过改变原料 WC的晶粒度及组成来制取非均匀结构硬质合金。
In the dense gas-fluidized beds, the heterogeneous flow structure of the gas-particle flow affects the gas-solid contact and transport process in the bed seriously.
应用双流体模型CFD模拟的方法,从恢复系数和曳力两方面,研究了气固密相流化床中颗粒之间和气固相之间的相互作用对床内非均匀流动结构形成与变化的影响。
