The effect of speed ratio on the texture of non-oriented cold rolled low silicon steel sheet was investigated after cross shear rolling at different speed ratios.

选取低硅无取向硅钢常化态板材，分别在不同速比下进行异步轧制，考察了速比对低硅无取向硅钢冷轧织构的影响。

youdao

Statistical analysis for cross-sectional area ratios of chord and web members commonly used in steel roof trusses are also provided for reference in predictng fundamental calculation parameters.

对常用钢屋架的弦杆腹杆截面积比值作了统计分析，以便设计者能更准确地确定计算原始参数。

youdao

The results show that the angle of cross jets and density ratios have important influences on the velocity distribution on radial, the length of reflux zone and the quantity of reflux.

文中分别研究了射流交叉角度和密度比对径向速度分布、回流区长度、回流量的影响。

youdao