Spiral classifier with different proportion of solid particles in the liquid precipitation rate of different principle, to wash the mixture of ore, grading.
螺旋分级机借助固体颗粒的比重不同而在液体中沉淀的速度不同的原理，对矿石混合物进行洗净、分级。
Orthogonal test was used to evaluate the influence of the 3 factors, including the concentration of ethanol, the extracting time by ultrasonic, and the rate of solid and liquid.
通过正交试验法探讨了提取工艺的最佳条件，分别考察了乙醇体积分数、超声时间和固液比3个因素对槲寄生中总黄酮提取率的影响。
The solidification modes of liquid phase of semi-solid AZ91D Mg alloy were in close relationship with the degree of supercooling determined by cooling rate.
AZ 91d镁合金半固态液相的凝固方式与冷却速度所决定的过冷度有重要关西安理工大学硕士学位论文系。
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