1) Gradient blow-up
梯度爆破
1.
And the gradient blow-up and L~∞ blow-up conditions of the solution are obtained.
讨论了如下一类带有齐次边界条件的非线性抛物方程ut-△u=|u|p+a(x)uq解的爆破问题,给出了方程解梯度爆破和L∞爆破的条件。
2) bench blasting
梯段爆破
1.
A study on the calculation and image analogue of bench blasting opencasting;
梯段爆破爆堆堆积的数值计算与图形模拟的研究
2.
Discussion on decreasing twice blasting for bench blasting;
关于减少梯段爆破二次爆破量的探讨
3.
The digital television system of drilling borehole wall is used to observe the cracking zone of rock deep hole bench blasting using mixed loading emulsion explosive.
介绍了混装乳化炸药在爆破施工中的优越性和局限性,采用钻孔全孔壁数字电视系统对混装乳化炸药在岩石深孔梯段爆破中的破裂范围进行了观测,得出了定量的侧向破裂和底部破裂范围值,为爆破设计提供依据,为全面推广混装乳化炸药爆破技术打下坚实的基础。
3) bench blasting
阶梯式爆破
4) blasting crush rate
爆破破碎度
1.
Test and study on blasting crush rate and lump rate distribution;
爆破破碎度及块度分布的试验研究
5) Blasting fragmentation
爆破块度
1.
Based on the fractal characteristics of the blasting fragmentation distribution,the paper derived a relationship between the explosive specific charge and the uniform exponent of the distribution,which is instructive for predicting the fragmentation.
基于爆破块度分布的分形特征，从理论上推导了炸药单耗与爆破块度分布均匀性指数的关系，对爆破块度分布的预测具有重要的指导意义。
2.
This paper verified with grey correlation analysis method that the explosives unit consumption is the main factor affecting the blasting fragmentation and also demonstrated that the adjustment of pattern parameters in blast design is still very important to the control of blasting fragmentation.
采用灰色关联分析方法,确定出申嘉湖高速公路路堑开挖爆破中爆破块度的主要因素为炸药单耗,同时指出,在爆破设计中调整孔网参数,对控制爆破块度仍有重要作用。
6) bursting strength
爆破强度
1.
The reflection of adding different kinds of CaCO, and dispersing agent on the mechanical properties of PE layer in Al/plastic pipe was studied, and the hoop tensile force, bursting strength and time resisting the static pressure of the modified Al/Plas-tic pipe were also tested.
研究了在铝塑复合管的PE层配方中加入不同种类CaCO_3和分散剂对PE层力学性能的影响,并对改性后的铝塑复合管的爆破强度、耐静压时间、环拉力等进行了测试。
2.
The static internal pressure, bursting strength, and hoop tensile strength are 2.
48MPa ,爆破强度可达 8。
3.
In this article,the cylinder testing pressure and safe factor is researched from controlling its fuzzy reliability range of bursting strength of ultrahigh pressure cylinder during pressure test and normal operation based on the reliability design theory and methods of random-fuzzy probability model.
文章基于随机-模糊概率模型的可靠性设计理论与方法,从控制超高压圆筒爆破强度在耐压试验和正常操作时模糊可靠度范围的角度,对其试验压力和安全系数进行探索。
补充资料：500千克2式航空爆破弹
该弹由弹体、尾翼装置、传爆管、弹耳和炸药等组成。弹长1．5米，弹径450毫米，弹重473千克。弹身上有两个相距250毫米的弹耳，可悬挂在轰炸机和强击机下，在距地面600米以上高空进行投放。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条