1)  fragmentation prediction
块度预报
1.
By blasting test of graded material exploiting for the rockfill dam with face slab at upper reservoir of Zhanghewan Pumped Storage Power Station,this paper amends Kuz-Ram blasting fragmentation prediction empirical model and sets up a blasting fragmentation distributed model of graded material exploiting that fits Zhanghewan Pumped Storage Power Station.
通过张河湾抽水蓄能电站上水库面板堆石坝级配料开采爆破试验对Kuz-Ram爆破块度预报经验模型进行修正,建立了适合张河湾蓄能电站级配料开采的爆破块度分布模型,通过对爆破块度级配与爆破参数的相关分析,提出了砂岩级配料开采的优化爆破参数。
2)  fragment forecasting and calculating
块度预报预测
3)  Fragmentation
块度
1.
Discussion about the Rock Fragmentation Model of Linear Explosive Charges;
条形药包爆破块度模型初探
2.
Based on the blasting softening technology for hard top coal in long-wall top coal caving, asimple fractal model of rock fracture is establishedto deal with dissipated energy of rock fracture andfractal dimension of rock fragmentation and to obtain the theoretical relation between the fractal dimension of rock fragmentation and explosive specific charge.
基于综放开采预爆破弱化坚硬顶煤工艺,利用分形理论建立岩石断裂耗散能量与块度分维值之间的理论关系,推导出岩石爆破块度分数维与炸药单耗之间关系,进行了室内相似材料模型爆破实验,验证了上述理论关系,利用爆破岩石表面裂隙分布的分形维数值作为衡量指标,优化爆破孔网参数。
4)  size
块度
1.
Based on a grey control system, the coal working face blasting model of open pit mine in the paperin order to control the coal size optimizely is presented in this paper.
应用灰色控制系统建立露天矿原煤工作面爆破模型,进而达到对原煤块度的优化控
5)  Fragment distribution
块度分布
1.
The fragment distribution function of broken rock gained from the different depth of .
在室内实验基础上,确定了不同井深岩石破碎后的块度分布函数,计算了岩石破碎的分形维数,分形维数的相关性系数在0。
6)  coal-gangue fragmental size
煤矸块度
参考词条
补充资料:短期天气预报(见天气预报和天气图预报)


短期天气预报(见天气预报和天气图预报)


u。。,,,:‘,anq,yubao短期天气预报见关匀布绍升,二,二一一
说明:补充资料仅用于学习参考,请勿用于其它任何用途。