With the decreasing of superficial gas velocity or increasing of solid mass flux, solid volume fraction at different axial positions increases simultaneously, while the particle velocity decreases.
随着表观气速的减小或颗粒循环量的增大，不同轴向位置的颗粒浓度都呈现增大的趋势，颗粒速度则降低。
It is an effective new processing way for loading of the solid rocket motor with high loading density, high propellant mass fraction propellant.
为今后高装填密度、高质量比的发动机装药开拓出一条新途径。
PT95 was grown on corn meal solid medium containing appropriate mass fraction (MF) of elicitors, both its sclerotia biomass and carotenoid content in sclerotia were enhanced significantly ( P< 0.
当在玉米培养基中添加适量诱导子进行诱导培养时，青霉PT95菌株的菌核生物量和菌核中积累的类胡萝卜素含量有了显著的提高（P。
PT95 was grown on corn meal solid medium containing appropriate mass fraction (MF) of elicitors, both its sclerotia biomass and carotenoid content in sclerotia were enhanced significantly ( P< 0.
当在玉米培养基中添加适量诱导子进行诱导培养时，青霉PT95菌株的菌核生物量和菌核中积累的类胡萝卜素含量有了显著的提高（P。
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