1. The phase speciations of trace thallium in the Yunfu pyrite ore are analyzed, including exchange phase, carbonate phase, oxide phase organic, sulfide phase and phase combined with quartz etc.
分析了云浮硫铁矿中微量铊的相态分布，包括可交换相，碳酸盐结合相，铁锰氧化物结合相，有机质及硫化物结合相，硅酸盐结合相等相态。
2. The three-phase circuit that has balanced three-phase sources, balanced (equal) three-phase loads and balanced three-phase line-impedances is called a balanced three-phase system.
一个具有对称三相电源，对称三相负载和对称三相线路阻抗的三相电路被称为三相对称电路。
3. The single phase three wire system is used for the power supply of single phase load, the three phase three wire (△)system for the three phase load, and the three phase four wire(△0 .
对低压电网单、三相负荷供电方式进行了分析比较，认为单、三相应分开供电。
4. However, the effects of the pitch angle and yaw angle are small, and the calculation error is only1%as the pitch angle or yaw angle is2. 5°.
俯仰角和偏航角的影响很小，当俯仰角和偏航角小于2。5°，瑞利散射计算误差小于1%。
5. The limit pressure angle is related to such factors as offset angle, mean spiral angle, pitch cone angle and mean pitch cone diameter, not to geometrical shape of the tooth surface.
极限压力角受偏置角、大小轮的螺旋角、节锥角和中点的分度圆直径影响，而与齿面的其他参数无关等结论。
