This article simplely introduced torsion pendulum's parameters, and practial tested torsional rigidity of slivers.
本文简单介绍了测量条子抗扭刚度的扭摆仪及其特点，并实际测量了几种常见条子的抗扭刚度。
This paper discusses the sliver overlapping in densest zone around the hole of can coil package and derives the formulas for max.
本文分析了在圈条筒内沿气孔周围最密圈内条子的重叠问题,导出圈条卷装容量极值计算式以确定上、下盘中心最优偏距e~*。
Tackle key problem of eliminate black strip limitation on surface of 7××× aluminium alloy;
消除7×××系铝合金表面“黑条子”缺陷的方法
The forming mechanism of the“black strip”on the plate surface is studied.
对板材表面“黑条子”的形成机理进行研究,适当调整乳化液配方,解决了铝合金板材表面“黑条子”缺陷。
Based on the monitor of sediment and water in Tiaozi river in Siping city from 1987 to 1995, some characteristics of heavy metals in the sediment are pointed out.
通过 1987— 1995年对对四平市条子河底泥和水质的同步监测 ,指出四平市条子河底泥中重金属含量较高 ,污染河段底泥中重金属的含量比背景含量要高出 1～ 3。