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| 富集系数; 浓缩系数 | |||
| 应力集中系数 | |||
| 浓集因数 | |||
| 集中系数; 集中因數 | |||
| 药室集中系数按照药室形状的不同，可将硐室爆破分为集中药室爆破和条形药室爆破两类。工程上多以药室的集中系数来划分，其计算式为 Ψ=Q/R =0.02Q/RΔ，式中:Vq为装药体积,Vq为装药量,kg, Δ为装药密度,kg/m³ ；R为药室中心至最远点的距离,m | |||
| 浓度系数 | |||
| 浓度因子 | |||
| 精选比; 集中因素; 集中因数; 浓集系数; 富集因素 | |||
| 浓集因子 | |||
| concentration factor: 42 phrases in 16 subjects |
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