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Explosives and Explosive Ordnance Disposal
containing
应对
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人对振动的反应
指人对不同级别振动的反应
human response to vibrations
在有多重共线性的情况下、就会出现多余的自变量、这样会使自变量对应变量产生错误影响。多重共线性是否存在、可以通过对自变量的方差膨胀因子的计算来检验
In the presence of multicollinearity,redundancy of the independent variables exists, which can lead to erroneous effects by the independent variables on the dependent variable. The existence of multicollinearity can be checked from a calculation of the variance inflation factor
VIF
of the independent variables
对应于爆破裂隙模式I、I、III 的临界应变能释放率
与三种基本裂隙模式〈分别为模式 I,II.III>对应的临界应变能释放率,以 J/m²表示
critical strain energy release rate corresponding to Mode I,II or HI loaded crack G
IC
, C
IIC
or G
IIIC
对抗应力
counter stress
岩体对冲击波的反应
rock mass reaction on the shock wave
岩石对爆破的响应
特征
response of rock to the explosion
应力梯度对空穴周围裂缝的影响
stress gradient effects on fracture around cavities
无支护采矿法
采掘时,在开挖面的上、下盘均不设支护的采矿法,有以下6种方式: 1. 上向台阶法。 2. 下向台阶法。 3. 中段采掘法。 4. 井下漏斗法。 5. 矿房矿柱法。 6. 留矿法〈shrinkage stoping
。与上述方法对应的是有支护采矿法
open stopes
(supported stopes)
由于膨胀气体挤压这种物质、致使能量损失速度快、爆后产物的压力和温度迅速下降。这些损失作为膨胀波传到反应区之内、因而降低了压力和反应速率、且最终消除了对爆震波面传播的能量支持
As the expanding gases compress such material, energy is lost rapidly and pressure and temperature drop sharply in the reaction products. These losses are communicated to the interior of the reaction zone as a rarefaction wave, lowering the pressure and reaction rate, and ultimately removing support far the propagation of the detonation front
绝对反应速率理论
absolute rate theory
绝对岩石应力
absolute rock stress
绝对热效应
absolute thermal efficiency
频率对结构响应的重要性
importance of frequency to structure response
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