钒钛烧结矿液相组成复杂，存在生产率低、转鼓强度差、还原粉化严重等现象。
Vanadium-titanium sinter has a complex liquid composition, which exists the phenomena such as low productivity, poor drum strength and serious RDI.
这是由于材料中的顺磁相在低温时变成铁磁相，使两相的饱和磁化强度差减小的结果。
This fact is duo to the transition to ferromagnetic phase from paramagnetic phase and to the reduction of the difference of magnetization.
最后，利用所得的解研究了材料的中间主应力效应和拉压强度差效应对厚壁圆筒安定极限压力的影响。
Finally, the influences of the intermediate principal stress and the strength-difference on the shakedown limit pressure of the thick-walled cylinder are investigated by the present solution.
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