Based on comprehensiveness analysis and calculation on data from blasting experiments including blasting crater, incline bench, different distance of hole,initiation in multi-row and same stage, optimization of blasting parameters such as distance of hole bottom, minimum burden, explosive consumption an unit etc.
通过爆破漏斗、斜面台阶、不等孔距爆破试验以及多排同段起爆试验,在综合统计并分析计算各种试验数据的基础上,对鸡冠嘴金铜矿的中深孔凿岩爆破孔底距、最小抵抗线、单位炸药消耗量等参数进行了优化,并在实际生产中推广应用,取得了较好的技术经济效果。
Predication and calculational software for slope displacement of unequal interval gray model;
不等时距灰色模型的边坡位移预测及软件化
According to the equal interval gray forecast GM(1,1) model,an unequal interval gray forecast GM(1,1)model was established.
根据等时距GM(1,1)模型建立了不等时距GM(1,1)预测模型,该模型可应用于利用腐蚀指标的原始数据来预测以后的输气管道腐蚀情况。
The original grey GM(1,1) model is usually used in simulation and prediction of equidistant monitoring data sequentce,but the actual situation is the monitoring data which obtained appear unequal interval phenomenon because of some reason.
传统灰色GM(1,1)模型多适用于等间距序列监测数据的模拟预测,而实际情况却是由于各种原因导致所获得的监测数据出现不等时距现象。
CO_2 laser welding of tailored 5A02 aluminum alloy sheets with different thickness using filler powder;
铝合金5A02不等厚板的CO_2激光填粉拼焊
CO2 Laser welding of 5A02 and 5A06 aluminum alloys sheet with different thickness is performed with or without the addition of filler metal powder.
采用CO2激光器,在填加和不填加合金粉末两种条件下,进行了不等厚铝合金(5A02,5A06)薄板的激光拼焊,研究了影响焊接过程稳定性和焊缝成形性能的主要因素,并用有限元方法(FEA)对焊接过程的温度场和应力场进行数值模拟,分析了拼焊板的残余应力分布和变形特点。
The application of dual beam laser welding of different thickness blanks in automobile manufacture leads to decreases vehicle weight and reduces manufacturing costs effectively.
不等厚板激光焊接技术在汽车制造中的应用,有效地降低了车身重量,节约了生产成本。